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FIG. 1. Close-up view of a positive reverse CAMP reaction. The test organism, Clostridium perfringens, is streaked down the center of the plate. Streptococcus agalactiae (group B) is streaked at right angles to the Clostridium perfringens. A positive reverse CAMP result for Clostridium perfringens is shown by the arrow-shaped zone of enhanced hemolysis pointing towards Clostridium perfringens. (Anne Hanson, University of Maine, Orono, ME)FIG. 2. Reverse CAMP-positive Clostridium perfringens is streaked at right angles to Streptococcus agalactiae (group B), which is streaked down the center of the plate. The positive reaction of Clostridium perfringens is shown by the...
FIG. 3. Reverse CAMP test showing both positive and negative results. Streptococcus agalactiae (group B) is streaked down the center of the plate the test organisms, Clostridium sp., are streaked at right angles to the Streptococcus agalactiae (group B). The positive reverse CAMP reaction of Clostridium perfringens is shown by the...
FIG. 4. Close-up view of the positive reverse CAMP reaction demonstrated by Clostridium perfringens when tested against group B Streptococcus. Note the bow-tie zone of enhanced hemolysis pointing towards the Streptococcus agalactiae (group B). (Anne Hanson, University of Maine, Orono, ME)
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