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Microbiology > Gram+ cooci > Flashcards

Gram+ cooci Flashcards

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Biology 101 flashcards
1
Q

Micrococcaceae family

A
  • Catalase positive
  • Staphylococcus, Micrococcus
  • GPC in cluster (Staphylococcus) GPO in tetrad (Micrococcus) (as cell division takes place in multiple planes)
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2
Q

Streptococcaceae family

A
  • Catalase negative
  • Streptococcus, Pneumococcus, Enterococcus
  • GPC in chain (Streptococcus) GPO in pair (Pneumococci, Enterococci) (as cell division takes place in single plane)
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3
Q

Enzymes specific to S.aureus

A
  • Coagulase
  • Heat Stable thermonuclease
  • DNAase test
  • Phosphotase test
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4
Q

Coagulase test

A 
Both Tube and slide
-S.aureus, S.hyicus, S.intermedius
Only Slide +
-S.lugdunensis
Only Tube +
-S.schleiferi
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5
Q

Vancomycin resistance

A

VRSA: MIC>32mcg/ml
-Due to van gene
VISA: MIC 8-12mcg/ml
-Due to cell wall thickening

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Microbiology (11 decks)

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