Bacteriological tests

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2021年6月2日 (水) 15:26時点におけるVaccipedia.admin (トーク | 投稿記録)による版
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gram positive cocci

  • gram positive cocci cultured
    • catalase positive - staphylococci
      • coagulase test
        • coagulase positive - S. aureus
        • coagulase negative - other staphylococci
    • catalase negative - streptococci
      • check hemolysis
        • alpha hemolytic
          • S. pneumoniae
          • viridans streptococci group
            • Optochin test
              • optochin positive - S. pneumoniae
              • optochin negative - other streptococci
      • beta hemolytic
        • Lancefield antigen test
          • group A - S. pyogenes
          • group B - S. agalactiae
          • group C - S. dysgalactiae
          • group D - S. bovis, E. faecalis, E. faecium
          • group G - S. dysgalactiae

gram positive bacilli

  • gram positive bacilli cultured
    • large and spore-forming
      • anaerobic - Clostridium spp.
      • aerobic - Bacillus spp.
    • large and non-spore-forming
      • catalase positive - Corynebacterium spp., Listeria spp.
      • catalase negative - Lactobacillus spp., Erysipelothrix spp.
    • small

gram negative bacilli

  • gram negative bacilli cultured
    • grown in MacConkey agar
      • lactose-fermenting - E. coli, Klebsiella
      • non-lactose-fermenting
        • oxidase positive - Pseudomonal aeruginosa
        • oxidase negative - Shigella spp., Salmonella spp., Proteus spp.
    • not grown in MacConkey agar


  • agar other than MacConkey
    • xylose lysine deoxycholate (XLD) agar
    • chromogenic agar

gram negative cocci ~ cocco-bacilli