“protozoa, algae, -...
TRANSCRIPT
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Mochamad Nurcholis
Food Science DepartmentAgricultural Technology Faculty Brawijaya University 2013
“Protozoa, Algae, Mycoplasma,
Rickettsia, and Virus”
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
OVERVIEW
Protozoa Algae Mycoplasma
Rickettsia Virus
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
PROTOZOA
Protozoa
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Eukaryotic organisms
• Unicellular
• Most of them are motile
• Protist family
• Like animal behavior (ex : movement)
• 10-52 micrometers (can grow as large as 1 mm)
• Exist throughout aqueous and soil environment
PROTOZOACHARACTERISTICS
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Motility :• Flagella : whip-like tails
• Cilia : hair-like structures
• Pseudopodia : foot-like structures
• Other do not move at all
Digestion :• Absorb food by their cell membranes
• Digest food by stomach-like compartments (vacuoles)
PROTOZOACHARACTERISTICS
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Life Cycle• Proliferative stages (ex : trophozoites)
• Dormant cysts : can survive harsh conditions (extreme temperature, harmful chemicals, limit of nutrients and oxygen for a period time)
• Some reproduce sexually
• Some reproduce asexually
PROTOZOACHARACTERISTICS
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Classification :• Ciliates
• Mastigophorans
• Apicomplexans
PROTOZOA CLASSIFICATION
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
PROTOZOA CLASSIFICATION
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
PROTOZOA CLASSIFICATION
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Sub Groups :• Flagellates (e.g., Giardia lamblia)
• Amoeboids (e.g., Entamoeba histolytica)
• Sporozoans (e.g., Plasmodium knowlesi) – Apicomplexa
– Myxozoa
– Microsporidia
• Ciliates (e.g., Balantidium coli)
PROTOZOA CLASSIFICATION
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Euglena
Amoeba
PROTOZOA(Euglena & Amoeba)
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
PROTOZOA(Paramecium)
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Human Diseases :• Malaria
• Amoebiasis
• Giardiasis
• Toxoplasmosis
• Cryptosporidiosis
• Trichomoniasis
• Chagas disease
• Leishmaniasis
• Sleeping Sickness
• Dysentery
PROTOZOA& HUMAN DISEASES
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
ALGAE
Algae
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Autotrophic organisms
• Photosynthetic
• Eukaryotic organisms
• Unicellular to Multicellular
• Giant kelps grow to 65 meters in length
• The largest and most complex marine forms are called seaweeds.
ALGAECHARACTERISTICS
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Lack of various structures that characterize land plants.
• Leaf-like phyllids of bryophyta
• Rhizoid in non vascular plants and roots
ALGAECHARACTERISTICS
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Life Cycle :• Asexual phase : seaweeds cells are diploid
• Sexual phase : the cells are haploid
• Fusion of the male and female gametes
• Asexual reproduction : permits efficient population increases, but less variation
• Sexual reproduction always more variation
ALGAECHARACTERISTICS
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
ALGAECHARACTERISTICS
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Archaeplastida :
• Chlorophyta (green-algae)
• Rhodophyta (red-algae)
• Glaucophyta
Rhizaria, Excavata :
• Chlororachinophytes
• Euglenids
ALGAECLASSIFICATION
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Chromista, Alveolata :• Heterokonts : Bacillariophyceae, Axodine,
Bolidomonas, Eustigmatophyceae, Phaeophyceae(brown algae), Chrysophyceae (golden algae), Rapidophyceae, Synurophyceae, Xanthophyceae(yellow-green algae)
• Cryptophyta
• Dinoflagellates
• Haptophyta
ALGAECLASSIFICATION
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
ALGAECLASSIFICATION
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Uses :• Agar (red algae group)
• Alginates (Macrocystis group)
• Stabilizing substance/Carrageenan (Chondrus crispus)• Energy sources : biohydrogen, biodiesel, ethanol,
vegetable fats and oils (DHA, EPA)
• Fertilizer
• Nutrition (Chlorella & Spirullina : rich of vitamin & minerals)
• Pollution control
• Pigments : bioactive compound
THE ROLE OF ALGAE
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Pigment Cosmetics Bioenergy Omega System
THE ROLE OF ALGAE
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
MYCOPLASMA
Mycoplasma
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Genus : bacteria (0,1 micrometer)
• Lack of cell wall
• Unaffected by antibiotic such as penicillin or other beta lactam
• Parasitic or saprotophic
• Pathogenic in human
• Caused atypical pneumonia
• Caused respiratory disorders
• Caused pelviv inflammatory diseases (M. Genitalium)
MYCOPLASMA CHARACTERISTICS
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
MYCOPLASMA TYPE
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
MYCOPLASMA CHARACTERISTICS
Respiratory disorders
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
MYCOPLASMA DISEASES
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
RICKETTSIA
Rickettsia
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Non motile
• Gram negative
• Non spore forming
• Pleomorphic bacteria
• Cocci (0,1 micrometer), rods (1-4 micrometer in length)
• Obligate intracelluler parasites
• Replication within the cytoplasm of eukaryotic
RICKETTSIA CHARACTERISTICS
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Rickettsia aeschlimannii • Rickettsia africae• Rickettsia akari• Rickettsia asiatica• Rickettsia australis• Rickettsia canadensis• Rickettsia conorii• Rickettsia cooleyi• Rickettsia felis• Rickettsia heilongjiangensis• Rickettsia helvetica• Rickettsia honei• Rickettsia hulinii
RICKETTSIA TYPE
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
RICKETTSIA CASE
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
RICKETTSIA INFECTION
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
VIRUS
Virus
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Adolf Meyer (1883) : bintik2 kuning pd daun tembakau• Loffler & Frosch (1887) : Foot Mouth Disease Virus• Dimitry Ivanovsky (1892) : penyebab mozaik tembakau
< bakteri• Beijerinck (1897) : partikel patogen < bakteri, hidup pd m.
hidup & reproduksi• Twort & d’Herelle (1915) : bakteriofage pd E.coli• Stanley (1935) : - kristal Tobbaco Mozaic Virus
- protein dan asam nukleat pada virus
Sejarah Virus
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Virus virion (racun) penyebab penyakit
• Hanya dapat hidup dan berkembangbiak dalamjaringan hidup lain (intraseluler parasit obligat)
• Tidak dapat melakukan metabolisme• Aseluler (tidak memiliki protoplasma dan
membran inti)• Dapat dikristalkan• Ukuran 20-300 mµ• Tubuh Virus : Protein, Lipid, KH & Asam Nukleat
VIRUS
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Komponen Virus
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Bentuk Virus
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Adsorbsi dan Infeksiujung ekor virus menempel pada dd sel inang
• Penetrasi Sel InangVirus mengeluarkan enzim lysozim, menghancurkan dd sel inang
• EklifaseDNA Virus mengambil alih fungsi as. nukleat dan fungsi metabolisme sel inang, terjadi replikasi as.nukleat
• Pembentukan Virus BaruSetiap DNA hasil replikasi menyusun materi virus baru
• Lisis Sel InangSel inang pecah, virus baru siap menginfeksi sel lainnya
Daur Litik
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Adsorbsi, Infeksi & penetrasi (= daur litik)• Penggabungan
as.nukleat virus bergabung dng as.nukleat sel inang(profage), penyusunan materi virus baru
• Pembelahansel inang membelah, profage ikut membelah, menghasilkansel inang yg mengandung profage
• Sintesisas.nukleat virus memisahkan diri, membentuk dan merakitpartikel virus baru
• Lisis Sel Inangsetelah virus baru terbentuk, sel inang akan lisis
Daur Lisogenik
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
1. Berdasarkan Simtomatology- Penyakit Merata
Rubela, Smallpox, yellow fever, DHF,enterovirus,dll.
2. Penyakit Organ Khusus• Susunan Saraf : poliomielitis, meningitis,
rabies, ensefalitis, herpes, gondong• Saluran nafas : influenza, pneumonia virus,
selesma• Kulit : herpes simpleks, kutil dll.
Klasifikasi Virus
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Penyakit Organ Khusus
• Mata : konjunctivus adenovirus, enterovirus• Hati : hepatitis, yellow fever, enterovirus, herpes
virus, rubela• Kelenjar liur : itomegalovirus, gondong• Saluran pencernaan : rotavirus, norwalk,
adenovirus enterik• Alat seksual :AIDS, herpes, hepatitis B, retrovirus
Klasifikasi Virus
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
Berdasarkan Materi Genetik1. Virus DNA
parvovirus, papovavirus, adenovirus, herpesvirus, poxvirus, hepadnavirus, dll
2. Virus RNApikornavirus, kalsivirus, togavirus, koronavirus, retrovirus, arenavirus, arbovirus, reovirus, flavivirus, bunyavirus, paramiksovirus, ortomiksovirus, rabdovirus
Klasifikasi Virus
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Protozoa, Algae, Mycoplasma, Rickettsia, Virus
• Interferonprotein yg dihasilkan sel normal sbg respon thdinfeksi virus mencegah replikasi virus
• Profageutk mengubah fenotip sel inang shg lebihmenguntungkan
• Vaksinvirus yg telah dilemahkan, patogenitas turun ttpiantigenitas tetap.
Peranan Virus
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Food Science DepartmentAgricultural Technology Faculty Brawijaya University 2013
TERIMA KASIH