title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …title...

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Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究( 本文(Fulltext) ) Author(s) 鈴木, 康規 Report No.(Doctoral Degree) 博士(獣医学) 甲第444号 Issue Date 2015-09-24 Type 博士論文 Version ETD URL http://hdl.handle.net/20.500.12099/53639 ※この資料の著作権は、各資料の著者・学協会・出版社等に帰属します。

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Page 1: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝因子の特性に関する研究( 本文(Fulltext) )

Author(s) 鈴木, 康規

Report No.(DoctoralDegree) 博士(獣医学) 甲第444号

Issue Date 2015-09-24

Type 博士論文

Version ETD

URL http://hdl.handle.net/20.500.12099/53639

※この資料の著作権は、各資料の著者・学協会・出版社等に帰属します。

Page 2: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

2015

Page 3: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

1

8

11

1. 12

2. 13

3. Multiplex PCR SE/SEls

13

4. Genomic DNA 15

5. Multi locus sequence typing 17

6. SaPI scanning 20

7. 22

8. Sandwich ELISA SEA 23

1. MLST 25

2.

Page 4: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

Clonal complex 26

3. SE/SEls

Clonal complex

26

4. SaPI

Clonal complex

27

5. CC81 sea

SEA

29

29

35

42

SaPI

51

1. 52

2. 53

3. 53

4. Genomic DNA 54

5. SaPI scanning 54

Page 5: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

6. Southern blott ing LA-PCR SEs

A. pKOB pKOC pKOL 54

B. seb sec sel 56

C. seb sec sel 57

D. Southern blott ing 58

7. SaPI 62

8. Sandwich ELISA SE 62

9. Rep

A. Rep 63

B. Rep 66

C. rRep 69

10.

A. ori s i te 73

B. 74

11. 75

12. 77

1. seb sec sel GI 77

2. seb sec sel SaPI 79

3. SaPI SaPI sel 80

4. SaPI rep-ori site 81

5. SaPI SEs 82

6. rRep ori site 82

Page 6: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

7. rRep 84

84

91

105

SE/SEls sed

115

1. 116

2. 117

3. 117

4. 118

5.

119

6. Sandwich ELISA SE/SEl 120

7. sed , selj ser EcoRI

121

8. RNA 122

9. 124

Page 7: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

10. 125

11. RT-PCR 125

12. 127

1.

127

2. SE/SEls

128

3. sed EcoRI

129

4. RT-PCR sed

sed

130

130

136

139

144

148

149

Page 8: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

at t at tachment

BHI Brain heart infusion

BLAST Basic local al ignment search tool

BSA Bovine serum albumin

CC Clonal complex

CoaT Coagulase type

dsDNA double-stranded DNA DNA

E. coli Escherichia coli

egc enterotoxin gene cluster

EtBr Ethidium bromide

f tsZ Cell division protein gene

GI Genomic island

HRP Horseradish peroxidase

IPTG Isopropyl β -D-1-thiogalactopyranoside

IS Insertion sequence

LA-PCR Long and accurate polymerase chain reaction

LB Luria-Bertani

MHC Major histocompatibil i ty complex

MLST Multi locus sequence typing

mSED Mutant staphylococcal enterotoxin D SED

msed Mutant staphylococcal enterotoxin D gene SED

MSEY Mannitol salt agar with egg yolk

NCBI National Center for Biotechnology Information

Page 9: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

ORF Open reading frame

ori s i te Replication origin

PBS Phosphate buffered saline

PBST Phosphate buffered saline with Tween 20 Tween 20

Rep Replication init iator protein

rep Replicat ion ini t iator protein gene

RFLP Restriction fragment length polymorphism

rpoB RNA polymerase beta subunit gene

RT-PCR Reverse transcription polymerase chain reaction

rRep recombinant replication init iator protein

SAG Superantigen

SaPI Staphylococcus aureus pathogenicity island

S. aureus Staphylococcus aureus

SDS-PAGE Sodium dodecyl sulfate-poly-acrylamide gel electrophoresis

-

SE Staphylococcal enterotoxin

SEl Staphylococccal enterotoxin-l ike toxin

slv Single locus variant

sodA Superoxide dismutase gene

ST Sequence type

Page 10: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

TBS Tris buffered saline

TBST Tris buffered saline with Tween 20 Tween 20

TET Tris-EDTA-Triton X-100

TSB Tryptic soy broth

Page 11: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

1

Staphylococcus aureus S. aureus

Staphylococcal enterotoxins SEs

SEs SEs

SEs SEs

5 67

3

29 73

50

http:/ /www.mhlw.go.jp/stf/seisakunitsuite/bunya/kenkou_iryou/shoku

hin/syokuchu/ 10%

5

http:/ /www.fukushihoken.metro.tokyo.jp/shokuhin/tyuudoku/

Page 12: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

2

2000

SEs

13,420 4 S. aureus

S. aureus

17 25 68 69 77 79

S. aureus

S. aureus

68 77 S.

aureus

62 68 Shimizu 68

2001 2 S. aureus 38

S. aureus variable

S. aureus

25 Multi locus sequence typing MLST

S.

aureus 27 37 60 63

83 MLST

Page 13: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

3

21

MLST

23 27 37 60 63 S. aureus MLST

27 37 60 63 65

79

1930 Dack 18 S. aureus

1971

5 SEs SEA SEE

6 7 15 16

1994 SEs

SEs SEs

Staphylococcal enterotoxin-l ike toxin SEl

SE/SEls SEA SEE SEG

Page 14: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

4

SElX 23

2 28 29 53 55 57 72 80

SE/SEls International Nomenclature Committee

for Staphylococcal Superantigen

”SE”

”SEl”

40

SEs 2

20 24 57

SEs Major

histocompatibil i ty complex MHC class II T cell receptor

T

T

1 34

SEs

SEs

34 58 5

SEs

5 20 SE/SEls

S. aureus

S. aureus

Insertion

Page 15: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

5

sequence IS Staphylococcal cassette chromosome the highly variable

genomic region νSaβ Staphylococcus aureus pathogenicity island SaPI

2 42 44 14-17 kb

SaPI 6 8 ′ 9 ′ 18 ′ 19 ′ 44 ′

49 ′ 1

44 51 1998 SaPI

20 SaPI 2 39

41 51 64 SaPI 2 SaPI

att

44

51 SEs

50 51

SaPI

S. aureus 51 75 76 SaPI

3 SaPI Helper

phage DNA SOS

Helper phage SaPI

SaPI

integrase excisionase

SaPI

terminase

SaPI SaPI Helper

phage

Page 16: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

6

SaPI SaPI

Replication init iator protein Rep Replication

origin ori s i te 13 51 74 75 76

Rep DNA

51 74 76 ori site 300 bp

rep 3’ 80 bp AT

AT-rich 6 bp

74 Rep

AT-rich

DNA SaPIs

51

SE/SEls

2 28 44 SE/SEls S. aureus

42

44 49

S. aureus

S. aureus

S. aureus

S. aureus

Page 17: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

7

S. aureus

1994 2012

S. aureus

SE/SEls

SaPI

4

SaPI

SaPI 1 SaPI

S. aureus SE/SEls

S. aureus SED C SED

SED

Page 18: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

1. S. aureus Staphylococcus aureus pathogenicity island SaPI

8

Page 19: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

Integration Repression

Excision Replication Encapsulation and packaging

att

SaPI

ori site

2. SaPI

SaPI 51 64

int integrase stl

master repressor str regulatory protein xis exisionase pri primase rep replication

initiator ppi phage interference cp packaging genes ter terminase small subunit

9

Page 20: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

3. SaPI

DNA SOS Helper phage SaPI

Helper phage dUTPase SaPI SaPI

integrase excisionase SaPI

terminase SaPI SaPI Helper phage

Novick 51

10

Page 21: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

11

S. aureus

17 25 68 69 77 79

S. aureus

S. aureus

62 68 S. aureus

MLST

S. aureus

SaPI

SaPI scanning SaPI 64

S. aureus

64

S. aureus

S. aureus

MLST

MLST SE/SEls

SaPI

Multiplex PCR SaPI scanning

Page 22: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

12

S. aureus

1.

1994 2012

83 203 S. aureus

SE/SEls

S. aureus

1 L

Bacto Casitone Becton Dickinson Sparks MD USA 10 g

Bacto agar Becton Dickinson 5 g

NaCl 5 g

pH7.4 Mill iQ 1 L 121 15

S. aureus Mannitol salt

Page 23: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

13

agar with egg yolk MSEY Tryptic

soy broth TSB Becton Dickinson Brain heart infusion BHI

broth Becton Dickinson

2.

S. aureus 203

MSEY 2

5% w/v

BHI broth 37

3,000 rpm 30 100 L

- 100 L

37 1 10% 200 L

37

3. Multiplex PCR SE/SEls

S. aureus 203 SE/SEls Omoe 54

Hu 33 Multiplex PCR

MSEY

Page 24: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

14

2

5 L Lyse-N-Go PCR Reagent Thermo Fisher Scientific

Wilmington DE USA Genomic DNA

65 30

8 30

65 1 30

97 3

8 1

65 3

97 1

65 1

80

45 L Multiplex PCR

PCR 1

Multiplex PCR QIAGEN Multiplex PCR Kit QIAGEN GmbH

Hilden Germany Multiplex PCR

Multiplex PCR 45 L

2 Multiplex PCR Master Mix 25 L

Primer set set1, set2, set3 set4 5 L

Nuclease-free H2O Thermo Fisher Scientific L

Page 25: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

15

95 15

94 30

57 1 30

72 1 30

72 10

4% Agarose S

0.5 μg/mL Ethidium

bromide EtBr Sigma-Aldrich St. Louis MO USA

DNA AE-6933FXES

ATTO

SE/SEls

2 SE/SEls

S. aureus SE/SEls

4. Genomic DNA

Genomic DNA QIAamp DNA Mini kit QIAGEN

5 mL

BHI broth 37

3,000 rpm 10

lysostaphin 5 μg/mL

35

Page 26: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

16

Tris-EDTA-Triton X-100 TET 37 1

25 L proteinase K

200 L Buffer AL 56 1

200 L 99.5%

DNeasy Mini Spin Column 8,000 rpm DNeasy Mini

Spin Column 1 500 L Buffer

AW1 8,000 rpm 1

500 L Buffer AW2 13,000 rpm 3

DNeasy Mini Spin Column

13,000 rpm 1 Buffer AW2

DNeasy Mini Spin Column 1.5 mL 200 L Buffer

AE 1 8,000 rpm 1

genomic DNA genomic DNA NanoDrop 2000c

Thermo Fisher Scientific DNA

A260/A280 1.8 4

TET 1 M Tris-HCl pH 8.0

TET 20 mL

1 M Tris-HCl pH 8.0 0.4 mL

0.5 M EDTA pH 8.0 0.08 mL

10% Triton X-100 2.4 mL

pH8.0 Mill iQ 20 mL

Page 27: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

17

1 M Tris-HCl pH 8.0 500 mL

60.55 g

6 N HCl 50 mL

Mill iQ

pH8.0 Mill iQ 500 mL

5. Multi locus sequence t yping

83 1 Enright 21

MLST 7

PCR MLST

http:/ /saureus.mlst .net/

1 PCR

4. genomic DNA TaKaRa Ex Taq Hot

Start Version

PCR 50 L

10 Ex Taq Buffer 5 L

dNTP Mixture 2.5 mM 4 L

Forward primer 20 M 0.5 L

Reverse primer 20 M 0.5 L

Ex Taq Hot Start Version 5 units/μL 0.25 L

Template genomic DNA < 1 g 1 L

Page 28: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

18

Nuclease-free H2O Thermo Fisher Scientific 38.75 L

95 10

95 30

55 1

72 30

72 10

MonoFas DNA Purification Kit GL

PCR

500 L Buffer A MonoFas

I spin column PCR 50 L 9,000 rpm 1

500 L Buffer B 9,000 rpm 1

MonoFas I spin column

9,000 rpm 1 Buffer B

MonoFas I spin column 1.5 mL 20 L

Buffer C 1 9000 rpm 1

PCR

PCR BigDye Terminator v3.1

Cycle Sequencing Kit Thermo Fisher Scientific

PCR Forward primer

Reverse primer

30

Page 29: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

19

10 L

5 Sequencing Buffer 2 L

Template DNA 150-300 ng 1 L

Forward Reverse primer 1 L

Terminator ready reaction mix 1 L

Nuclease-free H2O Thermo Fisher Scientific 5 L

96 1

96 10

50 5

60 4

10 L Nuclease-free H2O Thermo Fisher Scientific

BigDye XTerminator Purification Kit Thermo Fisher Scientific

20 L 96 Well Reaction Plate

Thermo Fisher Scientific 90 L SAM Solution

20 L XTerminator Solution

PCR Foil Seal 96 Well Reaction

Plate 30 1,000 rpm 2

XTerminator Solution

ABI PRISM 3130-Avant Genetic Analyzer

Thermo Fisher Scientific

25

Page 30: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

20

50 cm 50 m

POP-7 Thermo Fisher Scientific

10 Capillary Electrophoresis Running Buffer

Sigma-Aldrich

Dye Set Z

Instrument Protocol BDx_FastSeq50_POP7_BDv3

Analysis Protocol 3130KB_POP7_v3

MEGA5 software 70

7

MLST allele number

Sequence t ype ST Clonal

complex CC ST Single locus variant slv

Double locus variant CC MLST

eBURST software

6. SaPI scanning

83 1 83 Sato’o

SaPI scanning 64 SaPI

Long and accurate LA -PCR

4. genomic DNA

TaKaRa LA Taq Hot Start Version

Page 31: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

21

LA-PCR Sato’o 64

1 LA-PCR

LA-PCR 50 L

10 LA PCR Buffer II Mg2 +plus 5 L

dNTP Mixture 2.5 mM 8 L

Forward primer 20 M 0.5 L

Reverse primer 20 M 0.5 L

LA Taq Hot Start Version 5 units/μL 0.5 L

Template genomic DNA < 1 g 1 L

Nuclease-free H2O Thermo Fisher Scientific 34.5 L

LA-PCR

96 1

98 10

68 20

68 10

10 kb MonoFas DNA Purification Kit

5.

LA-PCR HindIII

Restrict ion fragment length

polymorphism RFLP

37 1 LA-PCR

33

Page 32: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

22

20 L

10 M Buffer 2 L

LA-PCR < 1 g 3 L

HindIII 5 units/μL 1 L

Nuclease-free H2O Thermo Fisher Scientific 14 L

1/10 10 Loading Buffer

DNA 0.7%

SeaKem GTG Agarose gels Lonza Rockland ME USA

0.5 μg/mL EtBr DNA

AE-6933FXES ATTO RFLP

National Center for Biotechnology Information

NCBI http:/ /www.ncbi.nlm.nih.gov/ SaPI

HindIII in si l ico Genetyx software

program, ver. 8 GENETYX Corp.

RFLP SaPI

SaPI

7.

5. MLST

83

61

Page 33: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

23

Kimura 2 36

1,000

MEGA5 software 70

8. Sandwich ELISA SEA

CC81 sea S. aureus 10 Sandwich

ELISA SEA Omoe

52

MSEY 2

5 mL 1% w/v Yeast Extract Becton Dickinson

BHI broth 1 37 seed culture

seed culture 0.6 mL 60 mL 1% w/v Yeast

Extract BHI broth 37 48

10,000 rpm 20 0.22 μm

MILLEX GP Merck Mill ipore Darmstadt Germany

20

S. aureus

10,000 rpm 20

A

ImmunoPure Normal Rabbit Serum Thermo Fisher

Scientific 4

5 Can Get Signal Immunoreaction Enhancer Solut ion 1

10 Can Get

Page 34: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

24

Signal Immunoreact ion Enhancer Solution 1 10

100,000

100 ng/mL 0.1% w/v Bovine

serum albumin BSA SEA Can Get

Signal Immunoreaction Enhancer Solution 1

Nunc Thermo Fisher Scientific Capture

Rabbit IgG Isotype Control, Purified (UNLB) IgG

100 μL/well 4 Capture

IgG Capture

SEA 1

μg/mL Capture 200

μL/well 1 Phosphate buffered saline 1 PBS

3 300 μL/well Start ingBlock (PBS) Blocking

Buffer Thermo Fisher Scientific 3

StartingBlock (PBS) Blocking Buffer 200 μL/well

1 PBS 3

SEA 100 μL/well 37 1

Atlantis

Biochrom Cambridge UK Tween 20

0.05% w/v 1 PBS 1 PBST

8 Detection 100 μL/well

37 1 Detection

Horseradish peroxidase HRP SEA

Can Get Signal Immunoreaction Enhancer Solution 2

Page 35: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

25

20,000 Detection

1 PBST 8

SuperSignal ELISA FemtoMaxmum Sensit ivity Substrate Thermo

Fisher Scientific 100 μL/well SpectraMax Paradigm

Molecular Devices Sunnyvale CA USA

A Rabbit IgG Isotype Control, Purified

(UNLB) IgG

1%

w/v yeast extract BHI broth 100 μL/well

1 PBS

1 PBS 1 L

NaCl 8 g

KCl 0.2 g

Na2HPO4 12H2O 2.9 g

KH2PO4 0.2 g

pH7.4 Mill iQ 1 L

1. MLST

MLST S. aureus 83

17 ST ST1 ST5 ST6 ST8 ST12 ST20 ST30 ST45

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26

ST59 ST81 ST96 ST121 ST398 ST508 ST2272 ST45slv

ST81slv ST eBURST

CC 8 CC 4

CC81 ST1 ST81 ST81slv S. aureus

CC81 25.3%

CC8 ST8 CC6 ST6 CC5 ST5 CC508 ST45

ST508 ST45slv CC20 ST20 CC30 ST30 CC59

ST59 S. aureus 8.4% 8

CC ST ST12 ST96 ST121 ST398 ST2272

2. Clonal complex

8 CC S. aureus 5

2 VII CoaT VII

S. aureus 38.5% 2

CC81 CoaT VII

7 CC CC

CC8-CoaT III CC6-CoaT IV CC5-CoaT II CC508-CoaT VII

CC20-CoaT VIII CC30-CoaT IV CC59-CoaT VII

3. SE/SEls Clonal

complex

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27

sea CC508 CC20 6 CC

S. aureus CC sea

CC81 76% CC8 100%

CC6 100% sea 5 CC

SE/SEls

SE/SEls

CC

CC

3 CC8 SE

sea CC8

SE sed selj ser

CC8 SaPI SE

seb sec sel sek seq the highly variable

genomic region νSaβ SE seg sei sem

sen seo 7

CC S. aureus 3

4. SaPI Clonal

complex

S. aureus 6 SaPI

49 10 kb

4 5

10 kb SaPI Genomic

Page 38: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

28

island GI

CC8 CC5 6 CC S. aureus

CC GI

CC81 9 10 kb

RFLP CC6 9 CC508

9 CC20 9 CC30 8 44

CC59 9 19 GI

RFLP 6 Common insertion RFLP

SaPI 51 64

CC59 19 RFLP SaPI3

CC30 8 44 RFLP

SaPI4 SaPI2 CC81

CC6 9 RFLP MW2 9

GI MW2-like RFLP 64 4

6 Common insertion

CC S. aureus CC RFLP

GI CC81 19%

18 SaPIishikawa11 24% CC81 19

SaPIhhm2 14% 44 SaPIno10

CC20 50% 44 SaPIhirosaki4 CC508

29% 18 SaPI68111

RFLP SaPIs

RFLP 4 6 Frequent

insertion

MLST S.

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29

aureus CC

7A S. aureus SaPI

CC

SaPI

CC81 MW2-like RFLP SaPIishikawa11 SaPIhhm2

SaPIno10 3 SaPI

CC CC81

SaPI2 SaPI3 SaPI4 SaPI68111

SaPIhirosaki4 CC

7B 7C

5. CC81 sea SEA

CC81 sea S. aureus

SEA SEA

2 μg/mL SEA 10 7

6 μg/mL SEA 8

SEs S. aureus

17 68 69 79 81

S. aureus

Page 40: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

30

4

MLST

S. aureus 8 CC 4

S. aureus MLST

17

79 81 CC CC81 CC8

CC6

S. aureus

CC

S. aureus CC97 CC705

27 CC508 CC15 CC188

CC S. aureus

65 CC81 CC8 CC6 CC

S. aureus

CoaT VII

S. aureus 2

68 S. aureus

CC CoaT

27 CC

CoaT 2 2

S. aureus

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31

SE/SEls CC

SE/SEls SE/SEls

CC

CC

3

SE/SEls

SEs S. aureus

MLST S. aureus

CC 7A

SaPI CC5 CC8 6

CC

SaPI CC

CC

SaPIishikawa11 SaPIhhm2 SaPIno10 CC81

CC 7B

CC5 CC8

SaPI GI CC

sed selj ser S. aureus

3 sed selj ser pIB485-like plasmid

pUO-Sa-SED1 pUO-Sa-SED2

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32

2 CC5 CC8 SE/SEls

6 CC

DNA DNA

DNA

Waldron Lindsay

78 S. aureus

McCarthy 47 S. aureus

SEA

2 65 68 81 S. aureus

CC CC81 CC8 CC6

sea 5 sea

2 67

genotype

Page 43: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

33

2 12 67 sea

CC81

φSa3MW2 14 65

SEA 6 μg/mL 65

sea CC81 6

μg/mL SEA 10 7 70%

8

sea CC81 CC8 CC6

MLST SE/SEls

CC5 CC508 CC20 SEs

CC enterotoxin gene cluster egc

seg sei sem sen seo

5 egc SE

48 56

egc

52 67

SEs

pH

67 egc

egc egc

egc

CC

Page 44: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

34

S. aureus

MLST 8 CC

CC SE/SEls SE/SEls

S. aureus

S. aureus

S. aureus

Page 45: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

35

1.

5'→

3'

Prim

er se

t‡

Mul

tiple

x PC

R

sea

SEA

3 C

CTT

TGG

AA

AC

GG

TTA

AA

AC

G

set1

SEA

4 TC

TGA

AC

CTT

CC

CAT

CA

AA

AA

C

set1

se

b SE

B5

AA

GG

AC

AC

TAA

GTT

AG

GG

AA

TTA

TGA

se

t1

SEB

6 C

ATC

ATG

TCA

TAC

CA

AA

AG

CTA

TTC

T se

t1

se

c SE

C3

CTC

AA

GA

AC

TAG

AC

ATA

AA

AG

CTA

GG

se

t1

SEC

4 TC

AA

AAT

CG

GAT

TAA

CAT

TATC

C

set1

se

d SE

D3

CTA

GTT

TGG

TAAT

ATC

TCC

TTTA

AA

CG

se

t1

SED

4 TT

AAT

GC

TATA

TCTT

ATA

GG

GTA

AA

CAT

C

set1

se

e SE

E2

TAA

CTT

AC

CG

TGG

AC

CC

TTC

se

t1

SEE3

C

AG

TAC

CTA

TAG

ATA

AA

GTT

AA

AA

CA

AG

C

set1

se

g SE

G1

AA

GTA

GA

CAT

TTTT

GG

CG

TTC

C

set2

SEG

2 A

GA

AC

CAT

CA

AA

CTC

GTA

TAG

C

set2

se

h SE

H1

GTC

TATA

TGG

AG

GTA

CA

AC

AC

T se

t2

SEH

2 G

AC

CTT

TAC

TTAT

TTC

GC

TGTC

se

t2

se

i SE

I1

GG

TGAT

ATTG

GTG

TAG

GTA

AC

se

t2

SEI2

AT

CC

ATAT

TCTT

TGC

CTT

TAC

CA

G

set2

se

lj SE

J1

ATA

GC

ATC

AG

AA

CTG

TTG

TTC

CG

se

t2

SEJ2

C

TTTC

TGA

ATTT

TAC

CA

CC

AA

AG

G

set2

se

k SE

K1

TAG

GTG

TCTC

TAAT

AAT

GC

CA

se

t3

SEK

2 TA

GAT

ATTC

GTT

AG

TAG

CTG

se

t3

se

l SE

L1

TAA

CG

GC

GAT

GTA

GG

TCC

AG

G

set4

SEL2

C

ATC

TATT

TCTT

GTG

CG

GTA

AC

se

t4

se

m

SEM

1 G

GAT

AAT

TCG

AC

AG

TAA

CA

G

set3

Page 46: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

36

SEM

2 TC

CTG

CAT

TAA

ATC

CA

GA

AC

se

t3

se

n se

n fo

rwar

d G

CTT

ATG

AG

ATTG

TTC

TAC

ATA

GC

TGC

se

t4

sen

reve

rse

CAT

TAA

CG

CC

TATA

AC

TTTC

TCTT

CAT

C

set4

se

o SE

O1

TGTG

TAA

GA

AG

TCA

AG

TGTA

G

set3

SEO

2 TC

TTTA

GA

AAT

CG

CTG

ATG

A

set3

se

p SE

P3

TGAT

TTAT

TAG

TAG

AC

CTT

GG

se

t2

SEP4

AT

AA

CC

AA

CC

GA

ATC

AC

CA

G

set2

se

q SE

Q1

AAT

CTC

TGG

GTC

AAT

GG

TAA

GC

se

t4

SEQ

2 TT

GTA

TTC

GTT

TTG

TAG

GTA

TTTT

CG

se

t4

se

r SE

R1

GG

ATA

AA

GC

GG

TAAT

AG

CA

G

set4

SER

4 G

TATT

CC

AA

AC

AC

ATC

TAA

C

set4

se

s SE

S-ka

noS

TCG

GA

ATAT

AC

TATG

GG

GC

AA

A

set1

SES-

kano

AS

GG

TCTA

AC

TCTT

GA

ATTG

TAG

GTT

C

set1

se

t SE

T-ka

noS

GG

TTG

GTG

ATTA

TGTA

GAT

GC

TTG

se

t3

SET-

kano

AS

GTA

GG

CTT

GTC

TAA

AG

GG

CTA

TG

set3

fe

mA

fem

A1

AA

AA

AA

GC

AC

ATA

AC

AA

GC

G

set2

and

set3

fem

A2

GAT

AA

AG

AA

GA

AA

CC

AG

CA

G

set2

and

set3

fe

mB

fem

B3

CA

CAT

GG

TTA

CG

AG

CAT

CAT

se

t1 a

nd se

t4

fem

B4

TGTT

TCG

GG

TGTT

TTA

CC

TT

set1

and

set4

MLS

T* ar

cC

arcC

-Up

TTG

ATT

CA

CC

AG

CG

CG

TATT

GTC

arcC

-Dn

AG

GTA

TCTG

CTT

CA

ATC

AG

CG

ar

oE

aroE

-Up

ATC

GG

AA

ATC

CTA

TTTC

AC

ATT

C

aroE

-Dn

GG

TGTT

GTA

TTA

ATA

AC

GA

TATC

gl

pF

glpF

-Up

CTA

GG

AA

CTG

CA

ATC

TTA

ATC

C

glpF

-Dn

TGG

TAA

AA

TCG

CA

TGTC

CA

AT

TC

Page 47: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

37

gm

k gm

k-U

p A

TCG

TTTT

ATC

GG

GA

CC

ATC

gmk-

Dn

TCA

TTA

AC

TAC

AA

CG

TAA

TCG

TA

pt

a pt

a-U

p G

TTA

AA

ATC

GTA

TTA

CC

TGA

AG

G

pta-

Dn

GA

CC

CTT

TTG

TTG

AA

AA

GC

TTA

A

tp

i tp

i-Up

TCG

TTC

ATT

CTG

AA

CG

TCG

TGA

A

tpi-D

n TT

TGC

AC

CTT

CTA

AC

AA

TTG

TAC

yq

iL

yqiL

-Up

CA

GC

ATA

CA

GG

AC

AC

CTA

TTG

GC

yqiL

-Dn

CG

TTG

AG

GA

ATC

GA

TAC

TGG

AA

C

SaPI

† scan

ning

8′

site

Sa

PI4S

AT

GG

CA

GG

TGG

AC

CA

AG

AA

GA

GG

CG

GA

CG

TCG

TCG

SaPI

4AS

CAT

TCTA

GTA

GA

CA

CC

TCTG

TCG

TTTT

AA

CAT

AA

G

9′

site

Sa

PIbo

vS

GTT

ATG

GG

AG

AC

TAC

CG

TAC

GTA

TGAT

CA

CA

CA

G

SaPI

bovA

S G

TTG

CTA

TTTA

TGG

TGG

CC

TTTC

AA

GC

AAT

ATTA

G

18

′site

Sa

PIm

w2S

C

ATC

ATG

TTG

GTT

GTT

TATC

AC

TTTT

CAT

GAT

GC

SaPI

mw

2AS

GA

AA

GA

AA

AA

GA

AA

AG

CA

AA

AA

GAT

GA

CG

AC

CA

CA

G

19

′site

Sa

PI3e

xter

nalS

G

CTG

TAG

AA

AG

TGC

GA

AA

GAT

AAT

CC

TTAT

GC

SaPI

3ext

erna

lAS

GC

GA

AAT

AG

ATTC

ATC

ATTA

AC

TTG

AG

GG

AG

44

′site

Sa

PI2S

A

AAT

TAC

CG

CTA

CA

CTA

AA

GG

AC

AA

ATTT

ATC

SaPI

2AS

GG

TATC

GTT

GAT

CC

AA

CTA

AA

GTA

AC

AC

GC

TCA

GC

49

′site

et

dS

CG

TTG

TGA

AA

GAT

AAT

GA

ATC

GG

TTTG

GG

CTG

etdA

S C

TAA

AG

TGG

CA

GTA

AC

AA

ATG

ATTT

TAG

TTTC

*MLS

TM

ulti

locu

s seq

uenc

e ty

ping

†S

aPI

Stap

hylo

cocc

us a

ureu

s pat

hoge

nici

ty is

land

‡P

rimer

set

Mul

tiple

x PC

RPr

imer

Page 48: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

38

2.

1994

2012

S. a

ureu

sC

lona

l

com

plex

Coa

T* C

lona

l com

plex

83

%

VII

C

C† 81

CC

508

CC

59

38.5

IV

CC

6C

C30

19

.3

III

CC

8 18

.1

II

CC

5 10

.8

VII

I C

C20

4.

8

*Coa

T:

†CC

: Clo

nal c

ompl

ex

Page 49: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

39

3.

S. a

ureu

s SE

/SEl

Stap

hylo

cocc

al

ente

roto

xin/

Stap

hylo

cocc

al e

nter

otox

in-li

ke to

xin

Clo

nal

com

plex

CC

*S.

aur

eus

C

CS.

aur

eus

SE/S

El

† SE

/SEl

*

81

seh

Tran

spos

on

sea,

seb,

sek,

seq

Prop

hage

or S

aPI

8 se

a Pr

opha

ge

sed,

selj,

ser

Plas

mid

6 se

a Pr

opha

ge

seb,

sec,

sel

SaPI

5 se

g, se

i, se

m, s

en, s

eo

νSa

geno

mic

isla

nd c

onta

inin

g

the

ente

roto

xin

gene

clu

ster

se

a, se

d, se

lj, se

r Pr

opha

ge o

r Pla

smid

508

seg,

sei,

sem

, sen

, seo

νS

a ge

nom

ic is

land

con

tain

ing

th

e en

tero

toxi

n ge

ne c

lust

er

sec,

sel,

sek,

seq

Prop

hage

or S

aPI

20

seg,

sei,

sem

, sen

, seo

νS

a ge

nom

ic is

land

con

tain

ing

th

e en

tero

toxi

n ge

ne c

lust

er

seb

SaPI

30

seg,

sei,

sen,

νS

a ge

nom

ic is

land

con

tain

ing

th

e en

tero

toxi

n ge

ne c

lust

er

sea

Prop

hage

59

seb,

sek,

seq

SaPI

se

a Pr

opha

ge

*CC

: Clo

nal c

ompl

ex

†3.

Page 50: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

40

4.

S. a

ureu

s C

lona

l com

plex

Gen

omic

isla

nd

Clo

nal

com

plex

SaPI

8'

9'

18'

19'

44'

49'

81

- M

W2-

like

RFL

P (1

00 %

)

SaPI

ishi

kaw

a11

(seb

; 19

%)

SaPI

hhm

2 (N

o SA

G g

enes

; 24

%)

SaPI

no10

(s

eb; 1

4 %

) -

8 8'

-Unk

now

n G

I* s typ

e1

(20

%)

- 18

'-Unk

now

n G

Is ty

pe1

(7 %

) -

- -

6

8'-U

nkno

wn

GIs

type

2 (8

%)

8'

- Unk

now

n G

Is ty

pe3

(8 %

)

MW

2-lik

e R

FLP

(100

%)

18'-U

nkno

wn

GIs

type

2 (1

7 %

)

18'- U

nkno

wn

GIs

type

3 (8

%)

- -

-

5 -

- 18

'-Unk

now

n G

Is ty

pe1

(11

%)

- -

-

508

- 9'

-Unk

now

n G

Is ty

pe1

(100

%)

SaPI

6811

1 (s

ec, s

el, t

st-1‡ ; 2

9 %

)

18'- U

nkno

wn

GIs

type

4 (1

4 %

)

- -

-

Page 51: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

41

20

- 9'

-Unk

now

n G

Is ty

pe2

(100

%)

-

- Sa

PIhi

rosa

ki4

(seb

; 50

%)

-

30

SaPI

4 (N

o SA

G† g

enes

; 100

%)

- -

- Sa

PI2

(tst-1

; 100

%)

-

59

- 9'

- Unk

now

n G

Is ty

pe3

(100

%)

-

SaPI

3 (seb

, sek

, seq

; 100

%)

- -

GI

GI

SAG

CC

S. a

ureu

s

GI

%C

CS.

aur

eus

GI

*GI

Gen

omic

isla

nd

†SA

GSu

pera

ntig

en

‡tst

-1to

xic

shoc

k sy

ndro

me

toxi

n-1

gene

Page 52: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

4. S. aureus Clonal complex

“Others” ST12 ST96 ST121 ST398 ST2272

42

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5. S. aureus SE/SEl

Clonal complex

43

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6. S. aureus SaPI

Genomic island Restriction fragment length polymorphism RFLP

HindIII Common insertion CC

S. aureus GI RFLP Frequent insertion

CC S. aureus GI RFLP

GI RFLP

”Unknown GIs type” GI RFLP

M: DNA

44

Page 55: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

6.

45

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6.

46

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7. S. aureus Genomic island

A MLST S. aureus ST

”81slv” ”45slv” ST81 ST45 Single locus variant

CC

47

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7.

B C GI GI

Box GI SaPI Box GI

CC GI ”B” ”A”

Clade1 ”C” ”A” Clade2

48

Genomic islands 8’ 9’ 18’ 19’ 44’ 49’

8′-Unknown GIs type1 8′

-insertion

9′

-insertion

SaPIishikawa11 18′-Unknown GIs type1

18′

-insertion

8′-Unknown GIs type2 8′-Unknown GIs type3

9′-Unknown GIs type2 9′-Unknown GIs type4

18′-Unknown GIs type2 18′-Unknown GIs type3 18′-Unknown GIs type5

19′

-insertion

SaPIhhm2 19′-Unknown GIs type1

44′

-insertion

SaPIno10 SaPIhirosaki4

MW2-like RFLP

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7.

49

Genomic islands 8’ 9’ 18’ 19’ 44’ 49’

SaPI4 8′

-insertion

9′

-insertion

18′-Unknown GIs type4

9′-Unknown GIs type1 9′-Unknown GIs type3 9′-Unknown GIs type5

SaPI68111 18′

-insertion

18′-Unknown GIs type2

SaPI3 19′

-insertion

SaPI2 44′

-insertion

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8. CC81 sea S. aureus Staphylococcal enterotoxin A

3 3

50

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51

SaPI

SEs S. aureus

44 51 64

S. aureus

42 44

49

S. aureus

SaPI SEs 44 51

23 SE/SEls seb , sec , sel , sek seq

5 SEs SaPI

SEs SaPI SEs 51

64 67

S. aureus SaPI SEs

5 SaPI SaPI3 SaPIishikawa11 SaPIno10

SaPI68111 SaPIhirosaki4 S. aureus

4 SaPI SEs

S. aureus SaPI

S. aureus SEs

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52

SaPI

SaPI

S. aureus SEs

SaPI SaPI S. aureus

SaPI

SaPI

1.

S. aureus 5 S. aureus

Tokyo11212 Tokyo12381 Tokyo12413 Tokyo12571 Tokyo12709

Tokyo12954

SEs

sea seb 2 Tokyo11212 Tokyo12413

sea sec sel 1 Tokyo12381 sec seg sei sel

sem sen seo 2 Tokyo12571 Tokyo12709

seb seh 1 Tokyo12954 Tokyo12709

sec sel SaPI SaPI68111 Tokyo12954

seb SaPI SaPIno10

S. aureus

1.

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53

2.

Escherichia col i E. coli 5 K12

DH5α Promega Madison WI USA B

BL21 DE3 Merck Darmstadt Germany

E. coli Luria-Bertani LB

Sigma-Aldrich LB Sigma-Aldrich

Sigma-Aldrich 50 μg/mL

3.

6

7 pKOB

pKOC pKOL

seb sec sel

pGEM-3Zf(+) vector Promega

pGTR212 pGTR413 pGTR381/571 pGTO212 pGTO413

pGTO381/571 pGTN413 7

PCR pGEM-T easy vector Promega

pER212 pER413 pER381/571 pET-15b

vector Merck pGTR212 pGTR413 pGTR381/571

Nde I BamHI

DNA

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54

4. Genomic DNA

S. aureus 4 Tokyo11212 Tokyo12381 Tokyo12413

Tokyo12571 Genomic DNA

4.

5. SaPI scanning

S. aureus 4 Tokyo11212 Tokyo12381 Tokyo12413

Tokyo12571 SaPI scanning 6.

6. Southern blott ing LA-PCR SEs

5. LA-PCR

SaPI SEs Southern

blott ing

A. pKOB pKOC pKOL

pKOB pKOC pKOL

E. coli DH5 80

10

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55

15 L 100 ng 20

50 μg/mL LB 50 L 2%

5-Bromo-4-chloro-3-indolyi β -D-galactopyranoside

50 L 100 mM Isopropyl -β-D-thiogalactopyranosid IPTG

42 42

90 37

SOC Promega 150 L 37 60

37

LB

37

50 μg/mL 5 mL LB

37 16

QIAprep Spin Miniprep Kit QIAGEN

3,000 rpm 5

250 L Buffer

P1 1.5 mL 250 L

Buffer P2 6 350 L

Buffer N3 13,000 rpm

10 QIAprep spin column

13,000 rpm spin column 1 750

L Buffer PE spin column 13,000 rpm 1

spin column 13,000 rpm 1

Buffer PE QIAprep spin column

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56

1.5 mL 50 L Buffer EB 1

13,000 rpm 1

DNA Nanodrop 2000c Thermo fisher

scientific A260/A280 1.8

20

5. SE

7

M13F M13R pKOB

pKOC pKOL

B. seb sec sel

pKOB pKOC pKOL 2

37 1

seb sec sel

EcoRI BamHI Sal I

seb sec 20 L

10 K Buffer 2 L

pKOB pKOC < 1 g 3 L

BamHI 15 units/μL 1 L

EcoRI 15 units/μL 1 L

Nuclease-free H2O Thermo Fisher scientific 13 L

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57

sel 20 L

10 T Buffer 3 L

pKOL < 1 g 3 L

BamHI 15 units/μL 1 L

Sal I 15 units/μL 1 L

Nuclease-free H2O Thermo Fisher scientific 12 L

1/10 10 Loading Buffer

0.7% SeaKem GTG Agarose gels Lonza EtBr 0.5

μg/mL DNA

AE-6933FXES ATTO 700-800 bp

MonoFas DNA purification Kit GL

seb sec sel

Buffer A 70

10 MonoFas I spin column

column 9,000 rpm 1

500 L Buffer B 9,000 rpm 1

column 9,000 rpm 1

Buffer B MonoFas I spin

column 1.5 mL 20 L Nuclease-free H2O Thermo

Fisher scientific 1 9,000 rpm 1

seb sec sel

C. seb sec sel

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58

seb sec sel ECL Direct Nucleic Acid

Labelling and Detect ion System GE Healthcare Amersham Place Litt le

Chalfont Buckinghamshire HP7 9NA UK

Horseradish peroxidase HRP

100 ng

seb sec sel 10 μL Water

95 10 5

10 μL DNA labell ing reagent Glutaraldehyde solution

37 10 HRP

D. Southern blott ing

5. 250-500 ng LA-PCR

100 units HindIII New England Biolabs Ipswich

MA USA 0.7% SeaKem GTG Agarose gels Lonza

18V 15 EtBr 0.5

μg/mL DNA

AE-6933FXES ATTO LA-PCR

300 mL 0.35 N HCl 10

DNA 300 mL

denaturalization buffer 25 2 DNA

300 mL neutralization buffer 15

2

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59

Hybond-N+ GE

Healthcare DNA

UV CL-1000

DNA 120 mj DNA

10 SSC

ECL Direct Nucleic Acid

Labelling and Detect ion System GE Healthcare

DNA

21 mL hybridization buffer

MULTI-SHAKER OVEN HB+S

42 61 rpm 3

900 μL hybridization buffer

HRP seb sec sel

42

61 rpm

300 mL primary wash buffer 20

2 300 mL secondary wash

buffer 5 2 8

mL ECL Detection reagent 1 8 mL ECL Detection reagent 2

1 ATTO CoolSaver

AE-6955 ATTO seb

sec sel 0.35 N HCl

denaturalization buffer neutralization buffer 10 SSC hybridization

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60

buffer primary wash buffer secondary wash buffer 5 M NaCl 1

M Tris-HCl pH7.5

0.35 N HCl 1 L

1 N HCl 350 mL

Mill iQ 650 mL

denaturalization buffer 300 mL

5 M NaCl 90 mL

6 g

Mill iQ 210 mL

neutralization buffer 1 L

5 M NaCl 300 mL

Tris-HCl pH 7.5 500 mL

Mill iQ 200 mL

10 SSC 1 L

Mill iQ 500 mL

20 SSC Thermo fisher scientific 500 mL

hybridization buffer 200 mL

Gold hybridization buffer ECL Direct Nucleic Acid

Labelling and Detect ion System

200 mL

Blocking agent ECL Direct Nucleic Acid Labelling

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61

and Detection System 10 g

NaCl 3.5 g

primary wash buffer 1 L

Mill iQ

360 g

10% SDS 40 mL

20 SSC Thermo Fisher Scientific 15 mL

Mill iQ 1 L

secondary wash buffer 1 L

Mill iQ 900 mL

20 SSC Thermo Fisher Scientific 100 mL

5 M NaCl 1 L

NaCl 292.2 g

Mill iQ

Mill iQ 1 L

1 M Tris-HCl pH 7.5 500 mL

60.55 g

6 N HCl 67 mL

Mill iQ

pH7.5 Mill iQ 500 mL

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62

7. SaPI

DNA

SaPI

5. LA-PCR

5.

MEGA5 software LA-PCR

SaPI Genetyx

software program, ver. 8 SaPI att

SaPI

GeneMark http:/ /exon.gatech.edu/ ORF Finder

http:/ /www.ncbi.nlm.nih.gov/projects/gorf/

SaPI Open reading frame ORF

Basic local al ignment search t ool BLAST

http:/ /blast .ncbi.nlm.nih.gov/Blast .cgi

ORF

SaPI DDBJ/EMBL/GenBank

AB860415 SaPITokyo12413 AB860416 SaPITokyo11212

AB860417 SaPITokyo12571 AB860418 SaPITokyo12381

8. Sandwich ELISA SE

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63

SaPI S. aureus 4 SaPI 2

8. Sandwich

ELISA SEB SEC SEL

SEB SEC SEL Capture Detection

Capture

2 μg/mL Anti-SEB 1 μg/mL Anti-SEC 5 μg/mL

Anti-SEL Detection

4,800 Anti-SEB 3,200 Anti-SEC 200 Anti-SEL

100 ng/mL 0.1% w/v BSA SEB SEC

SEL Can Get Signal Immunoreaction Enhancer Solution

1

9. Rep

7. ORF

rep SaPITokyo11212-ORF9

SaPITokyo12413-ORF9 SaPITokyo12381-ORF8 6

A. Rep

5. LA-PCR

SaPITokyo11212-ORF9 SaPITokyo12413-ORF9

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64

SaPITokyo12381-ORF8

PCR 7 PCR

TaKaRa LA Taq Hot Start Version

PCR 50 L

10 LA PCR Buffer II Mg2 +plus 5 L

dNTP Mixture 2.5 mM 8 L

Forward primer 20 M 0.5 L

Reverse primer 20 M 0.5 L

LA Taq Hot Start Version 5 units/μL 0.5 L

Template DNA < 1 g 1 L

Nuclease-free H2O Thermo Fisher scientific 34.5 L

95 10

95 30

55 30

72 2 30

72 10

PCR pGEM-T Easy Vector Promega

4 16

18

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65

10 L

2 Rapid Ligation Buffer 5 L

PCR 3.5 L

pGEM-T Easy 50 ng/ L 0.5 L

T4 DNA Ligase 3 Unit/ L 1 L

6.

rep

pGTR212 pGTR413 pGTR381/571

7 M13F M13R

rep pET-15b vector

37 1

2

NdeI BamHI

20 L

10 K Buffer 2 L

pGTR212 pGTR413 pGTR381/571 pET-15b

(< 1 g)

3 L

NdeI 10 units/μL 1 L

BamHI 15 units/μL 1 L

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66

Nuclease-free H2O Thermo Fisher scientific 13 L

1/10 10 Loading Buffer

6.

DNA Ligation high

rep pET-15b

16 16

8 L

rep 3.5 L

pET-15b 0.5 L

Ligation high 4 L

6.

Rep pER212

pER413 pER381/571

E. coli BL21 DE3 7

T7UP T7TER

B. Rep

Rep rRep QIAGEN The

Page 77: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

67

QIAexpressionist

http:/ /kirschner.med.harvard.edu/files/protocols/QIAGEN_QIAexpres

sionist_EN.pdf pER212

pER413 pER381/571 E. coli BL21 DE3

50 μg/mL 100 mL

LB 37 O.D.6 0 0 0.5

0.8 100 mM IPTG 1 mL

20 15 3,000 rpm 20

80

10 mL Lysis buffer

Ultrasonic Homogenizer SMT

14,500 rpm 30

1.5 mL Ni-NTA Agarose QIAGEN

10 mL Lysis buffer 1,000 rpm 10

3 Ni-NTA Agarose

Ni-NTA Agarose 4 90

1,000 rpm 10 Ni-NTA

Agarose 10 mL Wash buffer

1,000 rpm 10 8

Ni-NTA Agarose Ni-NTA Agarose

Wash buffer 2 mL Poly-Prep Chromatography Columns

Bio-rad Hercules CA USA

Elution buffer 1 mL

3 rRep

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68

Nanodrop 2000c Thermo Fisher Scient ific 280 nm

rRep rRep

Slide-A-Lyzer G2, NMCO

10K Thermo Fisher Scientific 4

1 L 1 PBS 5

1 PBS Lysis buffer Wash buffer

Elution buffer

Lysis buffer 100 mL

Mill iQ

NaH2PO4 H2O 0.69 g

NaCl 1.754 g

Imidazole 0.068 g

pH8.0 Mill iQ 100 mL

0.5 M Sigma-Aldrich

200 L 100 mg/mL 100 L 2

mg/mL / 1 mL 2-

40 L

Wash buffer 100 mL

Mill iQ

NaH2PO4 H2O 0.69 g

NaCl 1.754 g

Imidazole 0.136 g

pH8.0 Mill iQ 100 mL

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69

Elution buffer 100 mL

Mill iQ

NaH2PO4 H2O 0.69 g

NaCl 1.754 g

Imidazole 1.7 g

pH8.0 Mill iQ 100 mL

rRep Quick Start Bradford Protein assay kit Bio-rad

Quick Start Bovine Serum Albumin (BSA) Standard Set Bio-rad

0 125 250 500 750 1000 1500 μg/mL BSA

rRep

10

Nanodrop 2000c Thermo Fisher Scientific

595 nm rRep

C. rRep

rRep SDS-PAGE western blot t ing

SDS-PAGE 500 ng/10 μL rRep

10 μL rRep 10 μL 2 Laemmli sample buffer

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70

Bio-rad 100 10 4–20% precast

polyacrylamide gel Bio-rad 40 mA 40

Quick-CBB

100 mL 10

60 mL 30 100 mL

15

Precision Plus Protein Dual Color Standards Bio-rad

3 Bio-rad

SDS-PAGE

10 SDS-PAGE 1 L

Mill iQ

30.3 g

144 g

SDS 10 g

Mill iQ 1 L MilliQ

10

100 mL

50 mL

10 mL

Mill iQ 40 mL

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71

60 mL

Quick-CBB A 30 mL

Quick-CBB B 30 mL

100 mL

25 mL

7.5 mL

Mill iQ 67.5 mL

Western blott ing 100 ng/10 μL rRep

SDS-PAGE iBlot Gel Transfer Device Thermo Fisher

Scientific iBlot Transfer Stack, PVDF Mini Thermo Fisher

Scientific

30

10 mL

4

6 His epitope tag antibody Rockland Immunochemicals Inc.

Gilbertsvil le PA USA 2,000

1 Tris Buffered Saline with Tween 20

1 TBST 10 3

10 mL

1 Goat

anti-Rabbit IgG-Horseradish Peroxidase Conjugated Thermo Fisher

Scientific 2,000

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1 TBST 10 3

ECL Plus Western Blotting Detection

System GE Healthcare 8 mL Solution A

200 μL Solution B 5

Typhoon Trio variable image analyzer GE Healthcare

1 TBST

10 TBS 1 L

Mill iQ

60.6 g

NaCl 80.6 g

KCl 2 g

pH7.4 Mill iQ 1 L

MilliQ 10 0.5

mL Tween 20 1 TBST

100 mL

1 TBST 100 mL

5 g

10.

9. rRep ori s i te

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73

Masuda 46

A. ori s i te

5. LA-PCR

SaPITokyo11212 7,765 bp 8,093 bp

SaPITokyo12413 6,016 bp 6,185 bp 7,769 bp 8,340

bp SaPITokyo12381/SaPITokyo12571 5,708 bp 6,007 bp

PCR

7 PCR

9. PCR TA

TA

9. PCR pGEM-T Easy Vector

Promega pGTO212 pGTO413 pGTN413

pGTO381/571

PCR

Forward primer T7UP-Cy5 T7UP Reverse primer

pGTO212 ST212ORI329R pGTO413

ST413ORI171R pGTN413 ST413-8340R pGTO381/571

ST381ORI300R PCR

5. 5’ Cy5

T7UP-Cy5

Fasmac

1/6 6 Loading Buffer

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6. DNA DNA 5’

Cy5 ori site 5’ Cy5 ori

site

B.

5’ Cy5 ori site 20 ng/μL

1 μL 2 μL Gel Shift Binding 5 Buffer

Promega 15 0 1000 ng

rRep Nuclease-free H2O Thermo Fisher scientific

10 μL 15

4% 120 V 45

1 TBE buffer Thermo

Fisher scientific

Typhoon Trio variable image analyzer GE Healthcare

Cy5 rRep ori site

Cy5 ori site

Gel Shift Binding 5 Buffer Cy5 ori site

10 Cy5 ori site

4%

4% 10 mL

30% Acrylamide/Bis Solution Bio-rad 1.33 mL

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75

10 TBE Thermo Fisher scientific 1 mL

10% 0.1 mL

N,N,N',N'- 20 μL

Nuclease-free H2O Thermo Fisher scientific 7.55 mL

11.

9. rRep DNA

7

5’ Cy3 Fluorescent

strand 3’ BHQ2

Quencher strand Fasmac

Boguszewska-Chachulska 9

Tani 71 20 mM

Tris-HCl pH 7.5 Fluorescent st rand Quencher strand 1:2

95 5 2 3

double-stranded DNA dsDNA

14.5 μL 0

75 150 300 500 750 1000 1500 nM rRep

5.5 μL Cy3

ABI 7500 Real Time PCR System Thermo Fisher

Scientific 37 99 1

t F( t)

a

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76

C A ko b s C

A ko b s F’(0 )

F( t) = C + A[1-exp(-ko b s t)] , (a)

20 mM Tris-HCl pH 7.5 300 mM Tris-HCl pH

7.5 1.5% Triton X-100

14.5 μL

300 mM Tris-HCl pH 7.5 2 μL

50 mM MgCl2 2 μL

1.5% Triton X-100 1 μL

100 mM ATP 0.2 μL

1 μM dsDNA 0.4 μL

12.5 μM capture strand Fasmac 0.2 μL

Nuclease-free H2O Thermo Fisher Scientific 8.7 μL

20 mM Tris-HCl pH 7.5 100 mL

1 M Tris-HCl pH 7.5 6. 2 mL

Mill iQ

pH7.5 Mill iQ 100 mL

300 mM Tris-HCl pH 7.5 100 mL

1 M Tris-HCl pH 7.5 6. 30 mL

Mill iQ

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77

pH7.5 Mill iQ 100 mL

1.5% Triton X-100 100 mL

Triton X-100 1.5 mL

Mill iQ 98.5 mL

12.

S. aureus SEs one way

ANOVA Tukey-Kramer HSD

F

t

p 0.01

JMP software SAS Insti tute Inc. Cary NC USA

1. seb sec sel GI

seb sec sel S. aureus 4 Tokyo12413

Tokyo11212 Tokyo12571 Tokyo12381 SaPI scanning

SaPI SaPI 10 kb

Page 88: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

78

LA-PCR Tokyo12413 8 9

Tokyo11212 9 19 Tokyo12571 9 18

Tokyo12381 9 18

9A LA-PCR HindIII

RFLP Tokyo12413 Tokyo11212 Tokyo12381

9 GIs RFLP 6

”MW2-like RFLP” Tokyo12571 9 GI

RFLP 9 -Unknown GIs type1

”MW2-like RFLP” CC81 CC6

GI 9 -Unknown GIs type1 CC508

GI 4 seb sec

sel ”MW2-like RFLP” 9 -Unknown GIs type1

CC81 CC6 CC508

seb sec sel 100%

CC

100% 5 ”MW2-like RFLP” 9

-Unknown GIs type1 seb sec sel

9B 4 LA-PCR

RFLP Tokyo12413 8 Tokyo11212 19

Tokyo12571 18 Tokyo12381 18

SaPI RFLP

Southern blott ing 4 LA-PCR seb

sec sel seb

Tokyo12413 8 Tokyo11212 19

9C sec sel

Page 89: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

79

Tokyo12571 Tokyo12381 18

9D 9E

2. seb sec sel SaPI

seb sec sel LA-PCR

14 kb

8 11 10 4

LA-PCR SaPI

att

8 AAAGAAGAACAATAATAT 18

TCCCGCCGTCTCCAT 19 TTATTCCTGCTAAATAA 51

SaPI int pri ter cp

ear

8 11 10 4 14 kb 17 kb

SaPI 10 SaPI

NCBI

SaPI SaPI 50

SaPITokyo12413 Tokyo12413 8 SaPITokyo11212

Tokyo11212 19 SaPITokyo12571 Tokyo12571

18 SaPITokyo12381 Tokyo12381 18

SaPI SaPITokyo12413 SaPITokyo11212

seb SaPITokyo12571 SaPITokyo12381 sec

Page 90: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

80

sel 99% 8 11

10 Southern blott ing

SaPI 14,157 bp

SaPITokyo12413 AB860415 ORF 20

ORF SaPI3 SaPI4 SaPIivm10 SaPIivm60

SaPIj50 SaPI ORF

8 10 16,725 bp SaPITokyo11212

AB860416 20 ORF 9 10

SaPITokyo11212 SaPIivm60 92%

SaPITokyo11212 SaPIivm60 SaPITokyo11212

seb 1,342 bp Insertion sequence IS256

9 16,305 bp SaPITokyo12571

AB860417 15,419 bp SaPITokyo12381

AB860418 22 20 ORF

2 SaPI 16 ORF ear

99% SaPI ORF

SaPI3 SaPIno10 SaPImw2 SaPIj11 SaPIj50

ORF 10 11 10

3. SaPI SaPI sel

SaPImw2 SaPITokyo12381 SaPITokyo12571 sel

SaPITokyo12381 sel SaPI

99% A 249

A

Page 91: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

81

TAA

11

4. SaPI rep-ori site

SaPI rep ori site

Ubeda 74 rep 3’

ORF ori s i te SaPITokyo11212 rep

ori site SaPIivm60 SaPIbov1

97% 92% 9

SaPITokyo11212 ori site GTACCC 6

GGGTAC 4

SaPIbov1 12A GC

AT-rich

13 SaPITokyo12571 rep ori site

SaPITokyo12381 2 SaPI

rep ori site SaPI3 98%

97% 10 11 SaPITokyo12571

SaPITokyo12381 ori site A/AGACA

6 TGTCTT 3

SaPI3 12B AT-rich

13 SaPITokyo12413-ORF9

SaPIj50 rep 98% 8

SaPITokyo12413-ORF9 3’ ori s i te

90% SaPI

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82

bacteriophage PT1028

10 ori s i te 300 bp

170 bp 170 bp

74 5

GGTTA 3

TAACC 2 14

5. SaPI SEs

S. aureus SaPI SEs Sandwich

ELISA seb

SaPI S. aureus 80 μg/mL

SEB Tokyo11212 SEB

12

sec sel SaPI 20 μg/mL

SEC SEL 1 μg/mL

Tokyo12571 SEC SaPI

SaPI68111 Tokyo12709

SEL Tokyo12709

Tokyo12381 SEC

SEL

20 ng/mL 12

6. rRep ori site

Page 93: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

83

SaPI Rep

SaPI Rep rRep

SDS-PAGE western blott ing

SaPITokyo12413-rRep 62.7 kDa SaPITokyo11212-rRep 64.8 kDa

SaPITokyo12381-rRep 55.0 kDa 6 rRep

15 rRep

SaPI Rep ori site

SaPITokyo11212-rRep Cy5 SaPITokyo11212-ori

site

5 DNA-

16A DNA- rRep

SaPITokyo12381-rRep Cy5

SaPITokyo12381-ori site

16A SaPI rRep ori s i te

SaPITokyo11212-rRep Cy5

SaPITokyo12381-ori site

SaPITokyo12381-rRep Cy5 SaPITokyo11212-ori site

16B SaPITokyo11212-rRep SaPITokyo12381-rRep

Cy5 ori site DNA

10 Cy5 ori si te

16C SaPITokyo11212-rRep

SaPITokyo12381-rRep 500 ng

SaPITokyo12413-rRep Cy5 ori s i te

170 bp

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84

16A SaPITokyo12413-rRep rep

7,769 bp 8,340 bp

16A

7. rRep

rRep DNA

SaPITokyo11212-rRep

SaPITokyo11212-rRep

17A SaPITokyo12381-rRep

17B SaPITokyo12413-rRep 1 μM

17C SaPITokyo11212-rRep

SaPITokyo12413-rRep

SaPITokyo11212-rRep 300 nM

SaPITokyo12413-rRep

17D

S. aureus SaPI

S. aureus

S. aureus SE 4 SaPI

Page 95: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

85

SaPI SaPI

10 SaPI Yarwood

82 SaPI DNA

SaPI

SaPITokyo12571 SaPIj50

SaPI3 SaPIj11 SaPImw2 10

SaPITokyo12571 sec sel

SaPI SaPImw2

10 Yarwood

SaPITokyo12571

SaPI SaPITokyo12571

SaPITokyo12571

SaPImw2 SaPI SaPI

SaPITokyo12571

SaPImw2 SaPI

SEs SEA SEB SEC SED SEE

ng ng

10 11 22 35 52 59

SaPI S. aureus SE

SaPI S. aureus

1 mL SEB SEC

SaPI

SE 12 pH

Page 96: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

86

S. aureus SE SE

SE

52 67 SaPI S. aureus

SaPI S. aureus

Tokyo11212 SEB

2.5 12 seb

SaPITokyo11212 IS256 seb 172 bp

IS256

IS256

30

45 Tokyo11212 IS256 SEB

SaPITokyo12381 sel

SaPI sel 99% 11 Tokyo12381

SEL 12

11 SaPITokyo12381 sel

SEB SEL

SaPI S. aureus SE

SaPI SE S. aureus

SaPI

Page 97: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

87

Rep ori s i te

SaPI Rep ori site

51 74

SaPI rep ori s i te

SaPITokyo11212 rep ori site

SaPI SaPIivm60 SaPIbov1

9 3 SaPI ori s i te

GTACCC AT-rich

12 13 SaPITokyo12381 SaPITokyo12571 SaPI3

rep ori s i te 3 SaPI

ori s i te A/ AGACA AT-rich

10 11 12 13

SaPITokyo11212 SaPIivm60 SaPIbov1 3 SaPI

SaPITokyo12381 SaPITokyo12571 SaPI3 3 SaPI SaPI

Ubeda 74

ori s i te Rep ori s i te

ori site Rep 9

RepA-RepI SaPITokyo11212

Rep RepB SaPITokyo12381

Rep RepA

SaPI Rep SaPI

rRep

SaPITokyo11212-rRep

SaPITokyo12381-rRep SaPI ori s i te

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88

SaPI ori s i te 16A 16B

SaPITokyo11212-rRep SaPITokyo12381-rRep

17 SaPI

Rep SaPITokyo11212-Rep SaPITokyo12381-Rep

ori s i te

SaPITokyo12413 rep

ori s i te

SaPITokyo12413-ORF9 SaPIj50 rep 98%

8 ori site ori site 170 bp

rep Ubeda Rep

170 bp

bacteriophage PT1028 14

bacteriophage PT1028 rep ori site

170 bp ori site

170 bp

GGTTA 14

SaPITokyo12413-ORF9 rep

SaPITokyo12413 170 bp ori site

SaPITokyo12413-ORF9

rRep

SaPITokyo12413-rRep ori site 170bp

16A

SaPITokyo12413-rRep

Page 99: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

89

17

SaPITokyo12413-Rep

SaPITokyo12413 rep SaPITokyo12413-ORF9

NCBI SaPIj50

rep

ORF9

bacteriophage PT1028 10

bacteriophage PT1028 rep

ori site bacteriophage

PT1028-ORF12

SaPITokyo12413-ORF9 2 ORF

ORF

SaPITokyo12413-ORF9

SaPITokyo12413

rep ori site

S. aureus SEs 4

SaPI

SaPI S. aureus SEs SaPI

SE

SaPI

SaPITokyo11212 SaPITokyo12571

SaPITokyo12381 SaPI

Page 100: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

90

SaPITokyo12413

SaPI

SaPITokyo12413

SaPI

S. aureus

Page 101: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

91

5.

SE

s

Stap

hylo

cocc

us a

ureu

s

To

kyo1

1212

se

a se

b

T

okyo

1238

1 se

a se

c se

l

To

kyo1

2413

se

a se

b

To

kyo1

2571

se

c se

g se

i sel

sem

sen

seo

T

okyo

1270

9 se

c se

g se

i sel

sem

sen

seo

SaPI

6811

1

To

kyo1

2954

se

b se

h

SaPI

no10

Esch

eric

hia

coli

D

H5α

Prom

ega

B

L21(

DE3

)

Mer

ck

SaPI

SE

Page 102: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

92

6.

pGEM

-3Zf

(+)

Apr , c

loni

ng v

ecto

r Pr

omeg

a

pGEM

-T e

asy

Apr , T

A c

loni

ng v

ecto

r Pr

omeg

a

pET-

15b

Apr , H

istid

ine

tag

fusi

on e

xpre

ssio

n ve

ctor

M

erck

pKO

B

Apr , p

GEM

-3Zf

(+) w

ith se

b ‡

pKO

C

Apr , p

GEM

-3Zf

(+) w

ith se

c ‡

pKO

L A

pr , pG

EM-3

Zf(+

) with

sel

pGTR

212

Apr , p

GEM

-T e

asy

with

clo

ned

PCR

pro

duct

con

tain

ing

SaPI

* Toky

o112

12-O

RF† 9

pGTR

413

Apr , p

GEM

-T e

asy

with

clo

ned

PCR

pro

duct

con

tain

ing

SaPI

Toky

o124

13-O

RF9

pGTR

381/

571

Apr , p

GEM

-T e

asy

with

clo

ned

PCR

pro

duct

con

tain

ing

SaPI

Toky

o123

81/S

aPIT

okyo

1257

1-O

RF8

pGTO

212

Apr , p

GEM

-T e

asy

with

clo

ned

PCR

pro

duct

con

tain

ing

SaPI

Toky

o112

12 se

quen

ce (7

765

bp -

8093

bp)

pGTO

413

Apr , p

GEM

-T e

asy

with

clo

ned

PCR

pro

duct

con

tain

ing

SaPI

Toky

o124

13 se

quen

ce (6

016

bp -

6185

bp)

pGTO

381/

571

Apr , p

GEM

-T e

asy

with

clo

ned

PCR

pro

duct

con

tain

ing

SaPI

Toky

o123

81/S

aPIT

okyo

1257

1 se

quen

ce (5

708

bp -

6007

bp)

pGTN

413

Apr , p

GEM

-T e

asy

with

clo

ned

PCR

pro

duct

con

tain

ing

SaPI

Toky

o124

13 se

quen

ce (7

769

bp -

8340

bp)

pER

212

Apr , p

ET-1

5b w

ith S

aPIT

okyo

1121

2-O

RF9

Page 103: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

93

pER

413

Apr , p

ET-1

5b w

ith S

aPIT

okyo

1241

3-O

RF9

pER

381/

571

Apr , p

ET-1

5b w

ith S

aPIT

okyo

1238

1/Sa

PITo

kyo1

2571

-OR

F8

*SaP

ISt

aphy

loco

ccus

aur

eus p

atho

geni

city

isla

nd

†OR

FO

pen

read

ing

fram

e

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94

7.

5'→

3'

Clo

ning

Sa

PI* To

kyo1

1212

-OR

F† 9 ST

212R

EP1F

TA

CA

TATG

GA

AA

CA

GG

TAA

AA

GTG

ATG

TAC

N

deI

ST21

2REP

1710

R

TAG

GA

TCC

TCA

ATA

ATC

AG

AA

TTA

GG

ATT

A

Bam

HI

Sa

PITo

kyo1

2413

-OR

F9

ST41

3REP

1F

TAC

ATA

TGG

AC

GA

AG

TATC

AC

TTTA

TAA

AA

N

deI

ST41

3REP

1614

R

TAG

GA

TCC

CTA

ATC

ATT

AA

TTA

ATT

CTA

AA

Ba

mH

I

Sa

PITo

kyo1

2381

/SaP

ITok

yo12

571-

OR

F8

ST38

1REP

1F

TAC

ATA

TGA

TTG

ATA

GC

AG

AA

CC

GG

TG

Nde

I

ST38

1REP

1425

R

TAG

GA

TCC

CTA

AA

CTT

TAA

GTT

TCTG

ATA

A

Bam

HI

Sa

PITo

kyo1

1212

sequ

ence

(776

5 bp

- 80

93 b

p)

ST21

2OR

I1F

TAA

GTA

CC

CA

TCG

GTA

CC

CG

TTG

AG

ST21

2OR

I329

R

GTG

TAA

CC

TCC

AG

AA

TTA

ATT

TG

Sa

PITo

kyo1

2413

sequ

ence

(601

6 bp

- 61

85 b

p)

ST41

3OR

I1F

GG

TTA

GA

AA

TAA

CTC

TTG

CTA

A

ST41

3OR

I171

R

TGA

AC

TCC

TCC

TTTT

AA

AA

CTA

A

Sa

PITo

kyo1

2381

/SaP

ITok

yo12

571

sequ

ence

(570

8 bp

- 60

07 b

p)

ST38

1OR

I1F

AC

ATC

TTA

TTTT

TAG

GA

CA

GTA

AG

ST38

1OR

I300

R

TTTC

TTC

CTC

CTA

ATT

TTTG

ATA

GG

TG

Sa

PITo

kyo1

2413

sequ

ence

(776

9 bp

- 83

40 b

p)

ST41

3-77

69F

GTT

GA

GG

GA

TTA

AA

ATT

AG

TAA

C

ST41

3-83

40R

TTC

TAC

AC

CTC

TTTC

TTTT

AA

Inse

rt ch

eck

pUC

/M13

For

war

d se

quen

cing

prim

er b

indi

ng si

te

M13

F C

GC

CA

GG

GTT

TTC

CC

AG

TCA

CG

AC

pU

C/M

13 R

ever

se se

quen

cing

prim

er b

indi

ng si

te

M13

R TC

AC

AC

AG

GA

AA

CA

GC

TATG

AC

Page 105: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

95

T7

pro

mot

er si

te

T7U

P TA

ATA

CG

AC

TCA

CTA

TAG

GG

T7

term

inat

or si

te

T7TE

R

GC

TAG

TTA

TTG

CTC

AG

CG

G

Mob

ility

-shi

ft A

ssay

T7

pro

mot

er si

te

T7U

P TA

ATA

CG

AC

TCA

CTA

TAG

GG

T7

pro

mot

er si

te

T7U

P-C

y5

TAA

TAC

GA

CTC

AC

TATA

GG

G

5'

Cy5

-labe

led

Hel

icas

e A

ssay

Fluo

resc

ent s

trand

TA

GTA

CC

GC

CA

CC

CTC

AG

AA

CC

TTTT

TTTT

TTTT

TT

5'

Cy3

-labe

led

Que

nche

r stra

nd

GG

TTC

TGA

GG

GTG

GC

GG

TAC

TA

3’

BH

Q2-

labe

led

Cap

ture

stra

nd

TAG

TAC

CG

CC

AC

CC

TCA

GA

AC

C

*SaP

ISt

aphy

loco

ccus

aur

eus p

atho

geni

city

isla

nd

†OR

FO

pen

read

ing

fram

e

Page 106: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

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†OR

FO

pen

read

ing

fram

e

‡ori

site

§par

tial

OR

F

¶O

RF

SaPI

Toky

o123

81O

RF

OR

FSa

PITo

kyo1

2381

OR

F

%

** p

utat

ive

fram

eshi

ft m

utat

ion

beca

use

of d

elet

ion

at 1

4843

th "

T"Sa

PITo

kyo1

2381

1437

4 bp

1509

5 bp

SaPI

mw

2se

l

99%

1484

3T

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104

1

2.

SaPI

S. a

ureu

sSt

aphy

loco

ccal

ent

erot

oxin

33

***

***

S. a

ureu

sSE

p<0.

01

† SaPI

Stap

hylo

cocc

us a

ureu

s pat

hoge

nici

ty is

land

Sa

PI†

SEB

SE

C

SEL

μg/m

L

μg/m

L

ng/m

L

Toky

o124

13

SaPI

Toky

o124

13

82.6

± 2

.9*

Toky

o112

12

SaPI

Toky

o112

12

201.

8 ±

52.8

**

Toky

o129

54

SaPI

no10

80

.6 ±

7.8

*

Toky

o123

81

SaPI

Toky

o123

81

52.3

± 1

.6**

N

ot d

etec

ted*

Toky

o125

71

SaPI

Toky

o125

71

23.2

± 2

.2*

56.1

± 8

.7**

Toky

o127

09

SaPI

6811

1 30

.4 ±

2.8

* 14

9.3

± 18

.5**

*

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9. Staphylococcal enterotoxin Long and accurate-PCR

A S. aureus 4 Tokyo12413 Tokyo11212 Tokyo12571 Tokyo12381 SaPI

Long and accurate LA PCR

SaPI 10 kb LA-PCR

B LA-PCR RFLP HindIII M DNA

C D E LA-PCR Southern blotting

HindIII “C” seb ”D” sec ”E” sel

105

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106

10. SaPI

SaPI SaPITokyo12413 SaPITokyo11212 SaPITokyo12571

SaPITokyo12381 Open reading frame ORF

SaPI 90% SaPI S. aureus

int integrase stl

master repressor str regulatory protein xis exisionase pri primase rep replication

initiator ppi phage interference cp packaging genes ter terminase small subunit seb

staphylococcal enterotoxin B ear penicillin-binding protein tnp transposase sec

staphylococcal enterotoxin C sel staphylococcal enterotoxin L Δsel

staphylococcal enterotoxin L

ori site

ori site

ori site

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11. SaPImw2 SaPITokyo12571 SaPITokyo12381 Staphylococcal enterotoxin L

SaPITokyo12381 sel

107

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12. SaPI

AT-rich

“A” SaPTokyo11212 SaPIivm60 SaPIbov1 ori site “B”

SaPITokyo12571 SaPITokyo12381 SaPI3 ori site

108

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13. SaPI

ori site

ori site GC AT-rich

109

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14. SaPITokyo12413 Bacteriophage PT1028

110

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15. SaPI

A recombinant replication initiator protein; rRep

SDS-PAGE

Lane 1 500 ng SaPITokyo12413-rRep lane 2 500 ng

SaPITokyo11212-rRep lane 3 500 ng SaPITokyo12381-rRep M

B rRep Western blotting 6 His epitope tag antibody

Lane 1 100 ng SaPITokyo12413-rRep lane 2 100 ng SaPITokyo11212-

rRep lane 3: 100 ng SaPITokyo12381-rRep

111

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16. -DNA

A recombinant replication initiator protein rRep

Cy5 DNA SaPITokyo11212-rRep

Cy5 SaPITokyo11212-ori sites SaPITokyo12381-rRep

Cy5 SaPITokyo12381-ori sites SaPITokyo12413-rRep

Cy5 SaPITokyo12413-ori sites SaPITokyo12413-rRep

SaPITokyo12413 7769 bp 8340 bp Cy5

”Shift” rRep-Cy5 DNA ”Probe” rRep

Cy5 DNA

112

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113

16.

B rRep ori site SaPI

SaPITokyo11212-rRep Cy5 SaPITokyo12381-ori site

SaPITokyo12381-rRep Cy5 SaPITokyo11212-ori site

C rRep Cy5 DNA

Cy5 DNA

SaPITokyo11212-rRep 100-1000 ng Cy5 SaPITokyo11212-ori site

10 Cy SaPITokyo11212-ori site

SaPITokyo12381-rRep 100-1000 ng Cy5 SaPITokyo12381-ori site

10 Cy5 SaPITokyo12381-ori site DNA

”Shift” rRep-Cy5 DNA

”Probe” rRep Cy5 DNA

Page 124: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

17. SaPI DNA

A B C recombinant replication initiator protein

rRep DNA “A” SaPITokyo11212-

rRep ”B” SaPITokyo12381-rRep ”C” SaPITokyo12413-rRep DNA

1 D

rRep SaPITokyo11212-rRep SaPITokyo12413-rRep

3

3 *

p<0.01

114

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115

SE/SEls

sed

S. aureus

S aureus

SEs

SaPI S. aureus

23 SE/SEls 5 SE/SEls

sed, selj , ser, ses set

2 53 57 sed , selj ser

pIB485-like plasmid pUO-Sa-SED1 pUO-Sa-SED2

2 53 selj , ser,

ses set pF5 57

SEs SED

SEs

1994 2012

sed

S. aureus 5 SED

sed S. aureus selj ser

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116

5

sed selj ser S. aureus

SElJ SER

sed S. aureus SEs

SE/SEls

S. aureus

sed

1.

S. aureus 13 S. aureus

Tokyo10539 Tokyo11726 Tokyo12261 Tokyo12804 Tokyo12902

Tokyo13057 Tokyo13231

SE/SEls sea sed selj ser

5 Tokyo11726 Tokyo12261 Tokyo12804

Tokyo12902 Tokyo13231 sed seg sei selj sem sen seo

ser 2 Tokyo10539 Tokyo13057

S. aureus

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117

1.

2.

E. coli 13 K12

DH5α Promega E. coli

2.

3.

14

15 pTokyo10539

pTokyo11726 pTokyo12261 pTokyo12804 pTokyo12902 pTokyo13057

pTokyo13231 S. aureus 7

pG10539F pTokyo10539 4,916 bp EcoRI

pGEM-3Zf(+) vector Promega

pG11726F pG12261F pG12804F pG12902F pG13057F

pG13231F pTokyo11726 pTokyo12261 pTokyo12804

pTokyo12902 pTokyo13057 pTokyo13231 4.9 kbp

EcoRI pGEM-3Zf(+) vector

pGTsed, pGTftsZ, pGTsodA pGTrpoB sed ftsZ sodA rpoB

15

PCR pGEM-T easy vector Promega

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118

4.

S. aureus Birnboim Doly 8

MSEY 2

5 mL BHI broth 37

3,000 rpm 10

5 μg/mL lysostaphin

37 1

400 μL SDS

300 μL High salt

10 4 14,500 rpm

15 DNA

Phenol:Chloroform:Isoamyl Alcohol

10 4 14,500 rpm

10 DNA

DNA

1/10 3 M

20 1 4

14,500 rpm 20 1 mL 70%

4 14,500 rpm

10 DNA 10

DNA TE (pH8.0)

DNA NanoDrop 2000c Thermo

Fisher Scientific A260/A280 1.8

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119

4

SDS High salt

100 mL

1 M Tris-HCl pH 8.0 4. 2.5 mL

0.5 M EDTA pH 8.0 2 mL

0.9 g

pH8.0 Mill iQ 100 mL

SDS 100 mL

2 N NaOH 10 mL

10% SDS 10 mL

Mill iQ 100 mL

High salt 100 mL

29.5 g

11.5 mL

pH4.8 Mill iQ 100 mL

5.

4. S. aureus

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120

EcoRI RFLP

37 1

20 μL

10 M Buffer 2 μL

S. aureus < 1 μg 1 μL

EcoRI 15 units/μL 1 μL

Nuclease-free H2O Thermo Fisher Scientific 16 μL

1/10 10 loading buffer

DNA 0.7%

SeaKem GTG Agarose gels Lonza EtBr

0.5 μg/mL DNA

AE-6933FXES ATTO RFLP

RFLP RFLP 53

6. Sandwich ELISA SE/SEl

S. aureus 7 8.

Sandwich ELISA SEA SED SEG SEI SElJ

SEM SEN SEO SER SED

SEG SEI SElJ SEM SEN SEO SER Capture Detection

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121

Capture 2 μg/mL Anti-SED 5 μg/mL

Anti-SEG 2 μg/mL Anti-SEI 2 μg/mL Anti-SElJ 2 μg/mL

Anti-SEM 1 μg/mL Anti-SEN 2 μg/mL Anti-SEO 5 μg/mL

Anti-SER Detection

3,200 Anti-SED 800 Anti-SEG 1,200 Anti-SEI 4,800

Anti-SElJ 800 Anti-SEM 1,000 Anti-SEN 3,500

Anti-SEO 1,200 Anti-SER

100 ng/mL 0.1% w/v

BSA SED SEG SEI SElJ SEM SEN SEO

SER Can Get Signal Immunoreaction Enhancer

Solut ion 1

7. sed , selj ser EcoRI

sed , selj ser EcoRI

DNA

Omoe 53 sed , selj ser pIB485-l ike plasmid

4.5-5.0 kbp EcoRI

5.

4.5-5.0 kbp 18

SeaKem GTG Agarose gel Lonza Monofas DNA

Purification kit GL

7. SE/SEls DNA

37 1

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122

pGEM-3Zf(+) vector EcoRI

20 μL

10 M Buffer 2 μL

pGEM-3Zf(+) < 1 μg 1 μL

EcoRI 15 units/μL 1 μL

Nuclease-free H2O Thermo Fisher Scientific 16 μL

EcoRI EcoRI pGEM-3Zf(+) vector

9.

pGEM-3Zf(+) vector EcoRI

5. MEGA5

software EcoRI

GeneMark ORF Finder ORF BLAST

ORF

pGEM-3Zf(+) vector EcoRI ORF

Genetyx software program, ver. 8

8. RNA

S. aureus 7 RNA RiboPure-Bacteria Kit

Thermo Fisher Scientific

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123

5 mL 1% w/v yeast extract BHI broth

37 24 5,000

rpm 10 350 μL

RNAwiz 250 μL Zirconia Beads

10

4 14,500 rpm 5

1/5

10 4 14,500 rpm

5 RNA

RNA

Filter Cartridge 4 14,500 rpm

cartridge 1 700 μL Wash

Solution 1 14,500 rpm 1

500 μL Wash Solution 2/3 14,500 rpm 1

2 Filter Cart ridge

14,500 rpm 1 Wash

Solution 2/3 Filter Cartridge

100 25 μL Elution Solution

1 14,500 rpm 1 RNA

genomic DNA RNA 1/9

10 DNase Buffer 4 μL DNase 1 2 U/μL 37

30 1/5 DNase Inactivation Reagent

2 14,500 rpm 1

RNA

RNA NanoDrop 2000c Thermo Fisher

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124

Scientific A260/A280 2.0

1% 23S 16S ribosomal RNA

80

9.

2 g RNA High-Capacity cDNA Reverse

Transcription Kits Thermo Fisher Scientific

cDNA

20

50 μL

10 RT Buffer 5 μL

25 dNTP Mix (100 mM) 2 μL

10 RT Random Primers 5 μL

MultiScribe Reverse Transcriptase 2.5 μL

RNase Inhibitor 2.5 μL

RNA 2 μg/25 μL 25 μL

Nuclease-free H2O Thermo Fisher Scientific 8 μL

25 10

37 120

85 5

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125

10.

Reverse transcription RT PCR

PCR

pGEM-T easy vector PCR

4. genomic

DNA

5. PCR NCBI

Primer3

(http:/ /frodo.wi.mit.edu/primer3/ )

15

PCR TA

TA 9.

PCR pGEM-T easy vector

pGTsed pGTsodA pGTftsZ pGTrpoB

7 M13F M13R

11. RT-PCR

S. aureus sed sed mutant sed msed

Power SYBR Green PCR Master Mix Thermo Fisher

Scientific ABI7500 Real Time PCR System Thermo Fisher

Scientific RT-PCR

19 3

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126

Superoxide dismutase

sodA Cell division protein f tsZ RNA polymerase beta subunit

rpoB

10.

1.0 102 copy/μL 1.0 108 copy/μL

Ct

RNA 40 ng RNA

RT-PCR sodA

ftsZ rpoB sed msed

SYBR green DNA

PCR

DNA SYBR green

DNA

RT-PCR

NCBI

Primer Express Software Version 3.0 Thermo Fisher

Scientific 15

RT-PCR 25 μL

SYBR Green PCR Master Mix 2 12.5 μL

Forward primer 5 μM 1.5 μL

Reverse primer 5 μM 1.5 μL

Template cDNA or Standard plasmid 1 μL

Nuclease-free H2O Thermo Fisher Scientific 8.5 μL

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127

50 2

95 10

95 15

60 1

95 15

60 30

95 15

12.

S. aureus 7 SEs

one way ANOVA Tukey-Kramer HSD

p 0.05

Statcel2 software

1.

S. aureus 7 EcoRI RFLP

EcoRI 3 RFLP

40

Page 138: Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺 …Title 黄色ブドウ球菌食中毒における分子疫学解析と可動性遺伝 因子の特性に関する研究(

128

18 RFLP pTokyo11726,

pTokyo12804, pTokyo12902, pTokyo13057 pTokyo13231

pTokyo12261 RFLP pTokyo11726

9.4 kb

pTokyo10539

RFLP pTokyo11726

1

2. SE/SEls

S. aureus 7 SED SElJ SER SED

2 500 ng/mL

SED SED

0.1 ng/mL Tokyo10539 Tokyo12261

Tokyo12902 Tokyo13057 Tokyo11726

Tokyo12804 Tokyo13231 19A SElJ

Tokyo13231 SElJ SER

SElJ 37-135 ng/mL SER 523-2925 ng/mL

19B 19C

SE/SEls

20 SED

0 76% SElJ 0 5%

SER 16 66% sea

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129

5 Tokyo11726 Tokyo12261 Tokyo12804 Tokyo12902

Tokyo13231 SEA 71 78%

seg sei sem sen seo 2 Tokyo10539

Tokyo13057 SEs 0.1%

3. sed EcoRI

3 SED sed

sed

S. aureus

4.5-5.0 kbp EcoRI 18

pGEM-3Zf(+) vector sed

4,915 bp 4,916 bp 4,917 bp

4,915 bp pTokyo11726 pTokyo12804

pTokyo13231 EcoRI 4,916 bp

pTokyo10539 pTokyo12261 pTokyo13057 EcoRI

4,917 bp pTokyo12902 EcoRI

EcoRI ORF 3

3 ORF sed , selj ser

pTokyo11726, pTokyo12804 pTokyo13231 sed

A 514 A

TAG

21 DNA sed

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130

msed pTokyo10539, pTokyo12261, pTokyo12902

pTokyo13057 sed NCBI

sed KF007920.1

100%

4. RT-PCR sed sed

sed 100% DNA

S. aureus 4 Tokyo10539 Tokyo12261 Tokyo12902

Tokyo13057 sed 22A

sodA sed SED

19A SED Tokyo11726

Tokyo12804 Tokyo13231 msed

sodA

p>0.05 22D

f tsZ rpoB sodA

sed msed 22B 22C

22E 22F

SEs

5 20 SED

SEs

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131

3 S. aureus sed

SED

sed pIB485-like

plasmid selj ser sed

SE/SEls 2 53

7 sed, selj ser

S. aureus RFLP

pTokyo11726 pTokyo12804 pTokyo12902 pTokyo13057

pTokyo13231 RFLP Omoe 53 pIB485-like

plasmid p196E p361 RFLP

pTokyo12261 RFLP pIB485like-plasmid

p1151 pI7 pTokyo10539 RFLP

pIB485like-plasmid

18 S. aureus pIB485-like plasmid

sed, selj ser S. aureus

SE/SEls

Tokyo13231 S. aureus 6 SElJ SER

19 SER S. aureus

523 2925 ng/mL 19C SE/SEl

20 SER

SER 57 SElJ

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132

SElJ

SEs 31 SEA

64.6% SEE 63.4%

SElJ SEs

Omoe 56

SEs SEs

SEs

Tokyo13057 SER SElJ

SE/SEls 70% SEs

SEs SElJ SER

SE/SEls

S. aureus

sed 2

sed 100%

sed msed pTokyo10539,

pTokyo12261, pTokyo12902 pTokyo13057

sed pTokyo11726, pTokyo12804

pTokyo13231 sed

A 514 A

21 pTokyo11726, pTokyo12804 pTokyo13231

sed

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133

mSED msed

SED

C 80

msed NCBI

1963 S.

aureus 502A 502A plasmid

CP007455.1

SEs

SEs

34 43 66 SEA 21-50

81-100

161-180

43 SEA

MHC class II 187

, 225 227

34 66 SED MHC

SEA 34 66

MHC

C

mSED C 80

N

mSED N

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134

26 32 mSED

msed S. aureus msed

22 mSED SED

Sandwich ELISA

19A 1 mSED

S. aureus

msed

S. aureus msed

mSED

1 mSED

mSED SED SED

SED

SED

mSED

SED

mSED mSED

mSED

S. aureus

pIB485-like

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135

plasmid

SElJ SER

S. aureus SER

SElJ

SED

S. aureus pIB485-like plasmid SED C

80 mSED S.

aureus msed

SED mSED

mSED SE

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136

13.

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137

14.

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138

15.

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18. S. aureus 7

Restriction fragment length polymorphism

sed selj ser S. aureus

EcoRI sed selj ser EcoRI

4.9 kbp M DNA

139

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19. S. aureus 7

Staphylococcal enterotoxin/Staphylococcal enterotoxin-like toxin

A SED B SElJ C SER

3 3

p<0.05

140

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20. S. aureus 7 Staphylococcal

enterotoxin/Staphylococcal enterotoxin-like toxin SE/SEl

SE/SEl

S. aureus SE/SEls Sandwich ELISA

3

”Others” SEG SEI SEM SEN SEO

141

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21. S. aureus 7 sed

sed

142

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143

22. S. aureus 7 sed

sed

A B C sed S. aureus Tokyo10539 Tokyo12261

Tokyo12902 Tokyo13057 sed ”A”

sodA ”B” ftsZ ”C” rpoB

D E F sed S. aureus Tokyo11726 Tokyo12804 Tokyo13231

sed ”D” sodA ”E”

ftsZ ”F” rpoB 3

3

p<0.05

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144

S. aureus SEs

S.

aureus

S. aureus

SE/SEls

S.

aureus

S. aureus

S. aureus

4 S.

aureus S. aureus

MLST 8 CC

CC CC

CC S. aureus

SE/SEls SE/SEls

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145

CC SE/SEls

SE/SEls

S. aureus

S. aureus

S. aureus

SEs 4 SaPI SaPITokyo12413

SaPITokyo11212 SaPITokyo12571 SaPITokyo12381

SaPI S. aureus SEs

SaPI SE

SaPI

“ ” Rep

SaPITokyo11212 SaPITokyo12571

SaPITokyo12381 SaPI Rep

SaPITokyo12413

Rep SaPI

SaPITokyo12413

SaPI

S. aureus

S. aureus

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146

1

pIB485-like plasmid

SElJ SER

pIB485-like plasmid

SED

S. aureus pIB485-like plasmid SED C

80 mSED

S. aureus msed

SED mSED

mSED

SE

S. aureus

S. aureus

S.

aureus

NCBI

S. aureus

2014

100 SaPI

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147

S. aureus

S. aureus

S. aureus

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149

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