lecture 1 protists
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Lecture 1: Protists
Dr. Dimos
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Evolutionary relationshipsrepresented as a phylogenetictree
or cladogram
A B c
Root
Branches
Nodes(commonancestors
!hared" derivedcharacter(s(!ynapomorphy
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Rooted vs. #nrooted $ree
Related%ranches(clade
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&Pro'aryotes vs.Eu'aryotes
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$he Endosym%iosis)ypothesis
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$he Protists
Protozoa Unicellular alga
Slime molds
http://tolweb.org/Eukaryotes/3 -
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Phylogeny
http://tolweb.org/Eukaryotes/3http://tolweb.org/Eukaryotes/3http://tolweb.org/Eukaryotes/3http://tolweb.org/Eukaryotes/3 -
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Proto*oa
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Amoe%a: )uman PathogensAcanthamoeba
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+lagellates: )umanPathogens
Trypanosoma brucei: A,rican sleepingsic'ness
Trypanosoma cruzi: South American
sleeping sicknessGiardia lamblia: nausea" gastric cramps"
-atery diarrhea
Trichomonas vaginalis: seually
transmitted diseaseLeishmania tropica: leishmaniasis
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Trypanosoma cruzi: South Americansleeping sickness
Bacteria: Rhodococcus rhodniiDrug: Cecropin A.
i
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ratransgenesis
Drug: Cecropin A.
Bacteria:Rhodococcus rho
Flagellate:Trypanosoma cruzi
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/iliates )uman Pathogens:Balantidium coli
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!pora*oa: )umanPathogens
Plasmodium: genus o, sporo*oa thatcauses malaria
Toxoplasma gondii: cause of
toxoplasmosisPnuemocystis carinii: pneumonia"
especially A0D! patients
Cryptosporidium coccidi: vomiting"diarrhea" etc
Cyclospora cayetanensis: intestinalillness
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oxoplasma gondii
http://www.stanleyresearch.org/dnn/LaboratoryofDevelopmentalNeurovirology/ToxoplasmosisSchizophreniaResearch/tabid/172/Default.aspxhttp://www.stanleyresearch.org/dnn/LaboratoryofDevelopmentalNeurovirology/ToxoplasmosisSchizophreniaResearch/tabid/172/Default.aspxhttp://www.stanleyresearch.org/dnn/LaboratoryofDevelopmentalNeurovirology/ToxoplasmosisSchizophreniaResearch/tabid/172/Default.aspx
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