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MORFOLOGI SEL MORFOLOGI SEL KUMANKUMAN
Oleh :Oleh :
Pratami AdityaningsariPratami Adityaningsari
SubBag.MikrobiologiSubBag.Mikrobiologi
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Terdiri atas Terdiri atas 3 btk utama3 btk utama : :
a. basil/batanga. basil/batang
b. kokus/bundarb. kokus/bundar
c. spiralc. spiral
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KokusKokus ::
- Monokokus/mikrokokus- Monokokus/mikrokokus
- Diplokokus- Diplokokus
pneumokokuspneumokokus
gonokokus (gonokokus (N.gonnorhoeaeN.gonnorhoeae))
- Tetraden (- Tetraden (Gaffkya tetragenaGaffkya tetragena))
- Sarcina (- Sarcina (Sarcina luteaSarcina lutea))
- Streptokokus (- Streptokokus (Streptococcus pyogenesStreptococcus pyogenes))
- Stafilokokus (- Stafilokokus (Staphylococcus aureusStaphylococcus aureus))
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Basil Basil : :- Kokobasil (- Kokobasil (Escherichia coliEscherichia coli))
- Fusiformis (- Fusiformis (Fusobacterium fusiformisFusobacterium fusiformis))
- Streptobasil- Streptobasil
SpiralSpiral : :
- Vibrio (- Vibrio (Vibrio choleraeVibrio cholerae))
- Spirilum- Spirilum
- Spirokhaeta : Borrelia- Spirokhaeta : Borrelia
TreponemaTreponema
LeptospiraLeptospira
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Morfologi sel bakteri
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Kokus, bergerombol spt anggur (Stafilokokus), Gram +
Diplokokus, Gram +
Kokus spt rantai (Streptokokus), Gram +
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Batang, Gram -
Batang, Gram +
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spirochaeta
Batang bengkok, Gram -
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STRUKTUR SEL KUMANSTRUKTUR SEL KUMAN
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Dinding selDinding sel
laplapisan isan antantara ara membran sitopmembran sitoplasma lasma dgn kapsuldgn kapsul
sifat sifat Gram Gram kmnkmn ditent ditentukan ukan ololeh eh komposisikomposisi
dinding seldinding sel Gram negatif / positif Gram negatif / positif
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Perbedaan dinding sel bakteri antara Gram + dgn Gram -
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KapsulKapsul
- merupakan lapisan di luar dinding sel
bakteri
- terdiri atas polipeptida & karbohidrat
- merupakan salah satu faktor virulensi
- bersifat antigenik
- tahan thd fagositosis- tahan thd fagositosis
- secara makroskopis, bakteri yg memiliki- secara makroskopis, bakteri yg memiliki
kapsul koloninya berbentuk mukoidkapsul koloninya berbentuk mukoid
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Kapsul bakteri secara mikoskopis dgn Pewarnaan Gins Burry (pewarnaan khusus)
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Membran sitoplasmaMembran sitoplasma
- tda fosfolipid- tda fosfolipid && proteinprotein
- ditmp ttt ada lekukan ke dlm - ditmp ttt ada lekukan ke dlm mesosom mesosom
septal m. & lateral m.septal m. & lateral m.
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SitoplasmaSitoplasma
- - Merupakan bagian yg berbentuk koloidMerupakan bagian yg berbentuk koloid
- Tempat menyimpan - Tempat menyimpan cadcadangan angan makmakanananan
Granula sitop.Granula sitop.
gran.Much Weiss (gran.Much Weiss (M. tuberculosisM. tuberculosis))
gran.Babes Ernst (gran.Babes Ernst (C. diphtheriaeC. diphtheriae))
- Di dalamnya juga terdapat - Di dalamnya juga terdapat Inti/nukleusInti/nukleus
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FlagelFlagel
- merupakan alat gerak bakteri
-- tda protein tda protein flagelin flagelin
- - sgt sgt rapuhrapuh tp tp dapat dapat tumbtumbuuh lg 3-6 mnt h lg 3-6 mnt
kemudiankemudian
- - macamnya :macamnya :
-- atrich atrich
- - monotrichmonotrich
- ampitrich- ampitrich
- lopotrich- lopotrich
- peritrich- peritrich
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Pili/fimbriaPili/fimbria tda protein tda protein pillin pillin macamnya :macamnya :
sex pili (untuk konyugasi sel)(untuk konyugasi sel) pili biasa (alat menempelnya (alat menempelnya bakteri pada permukaan mukosa bakteri pada permukaan mukosa inang)inang)
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SporaSpora
dibentukdibentuk ol oleh eh bbeebbeerraappaa j jeenniis s bakteribakteri
ttererbbenenttuuk dlm keadk dlm keadaan aan yg ekstrimyg ekstrim
Macam-macam letak spora :Macam-macam letak spora :
- Terminal- Terminal
- Sub terminal- Sub terminal
- Sentral - Sentral
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