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Anaerobic Bacteriology


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Slide 17

June 2012

Identification initially is determined on the basis of growth on selective or differential media, the gram stain and colonial morphology, present of pigmentation on colonies, hydrolysis of esculin and fluorescence under UV light.  Rapid test which can be initially helpful are zones of inhibition around Kanamycin, Vancomycin and colistin disks or rapid indole, urease, nitrate and catalase test.  We also employ a beta-lactamase or Cefinase disk on gram-negative anaerobic bacteria.  Egg yolk agar may also be utilized to determine the production of lecithinase and lipase.



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