ID#: 28984
Caption:
This photograph shows a close frontal view of a CDC Lombard-Dowell (LD) Presumpto Plate I quadrant plate, focusing on a quadrant containing LD egg yolk agar (EYA). This quadrant was inoculated with an unspecified anaerobic bacterium to assess proteolytic (protease) activity. A positive reaction is indicated by a zone of clearing in the medium surrounding bacterial growth; here, a distinct area of clearing is visible, consistent with a positive proteolytic reaction.
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Content Provider(s): CDC/ Dr. Gilda L. Jones
Creation Date: 1981
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