Praktikum mikrobiologi blok 17 – sistem muskoskeletal
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Transcript of Praktikum mikrobiologi blok 17 – sistem muskoskeletal
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Praktikum MikrobiologiSistem Muskoskeletal
Jumat, 28 November 2014
Mikrobiologi Blok 17 –Muskoskeletal
, 28 November 2014
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Streptococcus Group A Streptococcus Group A
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Perwarnaan Gram Gram – Streptococcus
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Morfologi S. pyogenespyogenes (species)
Kuman berbentukbulat terkadang
dapat menyerupaibatang, tersusun
seperti rantai. Bersifat gram positif. Tidak membentuk
spora, geraknyanegatif. Strain
virulen selubunghyaluronic acid.
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Identifikasi KumanKuman – Hemolisis Test
Streptococcus pyogenesHemolisis (+)
pada agar darah. Hemolisis
sempurnaBeta
Hemolitikus.
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Hemolisis Streptococcus beta Streptococcus beta
Dapatmelisiskan
eritrositsecara
sempurna.
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Bacitrasin Tes –
A B
ZonaHambatan
(+)
Tes Hambatan
B
A Tidak terbentukzona hambatan,
bukan beta hemolitikus.
B Terbentuk zonahambatan Beta
hemolitikus (+)
Pertumbuhan Beta Hemolitikus dihambat oleh basitrasin .
Pertumbuhan Alfa hemolitikusdihambat oleh optokin
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FibrinolisinFibrinolisin Test
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FibrinolisinFibrinolisin Test
Fibrinolisin (+) pada
Streptococcus pyogenes fibrin
di lisiskan, bentuknya lebih
keruh.
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Staphylococcus Staphylococcus aureus
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Morfologi Staphylococcus Staphylococcus aureus
Berbentuk sepertibuah anggur,
bergerombolan. Tidak bergerak,
dan tidakberspora. Mampu
membentukkapsul.
Memiliki asam teikoatyang mengandungaglutinogen dan N-asetilglukosamin.
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Staphylococcus Staphylococcus pada MSA
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S. aureus - ManitolManitol Salt Agar
Bakteri mula-muladitanam di media THB (tryprone hewit broth) koloni mukoid.
Setelah itu ditanampada MSA Koloni S.
aureus (+) terjadiperubahan warna
media MSA dari merahmenjadi Kuning.
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S. Epidermidis – ManitolManitol Salt Agar
Tidak terjadiperubahan warna
dari merah kekuning pada media
MSA.
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Test KoagulaseKoagulase
Test koagulase(+) kumanmenghasilkan
enzimkoagulase
Kuman bersifatpatogen.
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Uji KoagulaseKoagulase Plasma
Staphylococcus aureus (+)
terjadi pembekuanatau koagulase.
Staphylococcus epidermidis (-)
tidak terjadipembekuan atau
koagulase.
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Aktivitas HemolisinHemolisin
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Penentuan AktivitasAktivitas Hemolisin
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Aktivitas HemolisinStaphylococcus
• Alfa – hemolisin akan membentuksekitar koloni. Contoh : Staphylococcus
• Beta – hemolisin akangelap di sekitar koloni. Contohaureus.
• Gamma – hemolisin tidakhemolisis di sekitar koloniStaphylococcus
Hemolisin padaStaphylococcus
membentuk zona terang di : Staphylococcus epidermidis.
membentuk zona agakContoh : Staphylococcus
tidak membentuk zonakoloni. Kuman bukan
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Test ManitolManitol
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Test ManitolManitol
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Peragian
S. aureus(+) , warna
berubahdari ungu kuning.
Peragian Manitol
S. Epidermidi
s (+) warna
ungu tetap
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Clostridium Clostridium perfringens
Bakteri gram positif. Dapat membentuk
spora. Sporaberbentuk terminal (di ujung). Kumanbersifat anaerob.
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Clostridium p Clostridium p pada EYA
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Clostridium p Clostridium p EYA
Koloni Clostridium botani
memproduksi enzimlipase adanya
pearly layer (lapisanmutiara menutupi
koloni).
Koloni Clostridum p menghasilkan enzimlesitinase adanya
zona presipitasiputih di bawah dandisekeliling koloni.
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Tes Anti Anti Toksin
Test anti toksin
terhadapClostridium p positif . Terbentukgambaranpresipitasi.
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Stormy FermentasiFermentasi
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Stormy FermentasiFermentasi
Kuman patogen menghasilkan
gelembung udara padastormy fementasi .
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Clostridium perfringensdarah
• Terbentuk double zone gambar pada praktikum
perfringens pada agar darah
double zone hemolisis tidak adapraktikum, lihat hal 14 – 15.
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Mycobacterium tuberculosis Mycobacterium tuberculosis
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Morfologi KumanKuman M. tuberculosis
Berbentuk batang lurusberwarna merah.
Menggunakan perwarnaanZiehl – Neelsen atau KinyonGabbet. Sifat bakteri tidak
tahan panas, tahan terhadapdesinfektan.
Dinding sel memiliki asamlemak mikolat berwarna
merah pada saat perwarnaangram.
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Pseudomonas Pseudomonas aeroginosa
Morfologi :
Bakteri gram negatifdengan pewarnaan
gram berwarna merah. Berbentuk batang, motil dan tunggal.
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Koloni & Pigmenaeroginosa
Pigmen Pseudomonas aeroginosa
Koloni dibiakkanpada media Mc. Conkey. Pigmenlarut dalam air akan menjadi
hijau dalam suhu28 C.
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Reaksi BiokimiaBiokimia
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Reaksi Biokimiagula (bila meragi
Tidak meragi gula-meragi delayed)