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CAMP-test revers_Arcanobacterium haemolyticum

  • General

    • ♦ Revers CAMP test
      It can be used for determination of Arcanobacterium hemolyticum

      Here a CAMP-revers positive Arcanobacterium haemolyticum is streaked in the center of sheep blood agar, and a Staphylococcus aureus is streaked perpendicular to it.

      Following incubation at 37ºC for 24-48 hours in aerobic conditions, an "arrowhead" hemolysis is seen between the growth of Arcanobacterium haemolyticum and Staphylococcus aureus
      This is because of alpha toxin produced by Arcanobacterium haemolyticum interacts with CAMP factor and produce synergistic hemolysis.

       

  • History

    • The CAMP factor reaction was first described in 1944 by Christie, Atkins and Munch-Peterson and reverse to the synergistic lysis of erythrocytes by the beta hemolysin of Staphylococcus aureus and the extra cellular CFB protein of Streptococcus agalactiae.

  • Related

  • References

    • James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition

      Foto's
      http://www.microbiologynotes.com/reverse-camp-test-for-the-identification-of-clostridium-perfringens/

      MMIZ
      ErasmusMC
      Roterdam