• CAMP-test revers_Arcanobacterium haemolyticum
  • CAMP-test revers_Clostridium perfringens
  • CAMP-test revers_Corynebacterium ulcerans
  • CAMP-test_Actinomyces neuii subsp neuii
  • CAMP-test_Listeria monocytogenes & L. ivanovii
  • CAMP-test_Streptococcus agalactiae
  • Catalase
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  • Dienes phenomenon test_P. mirabilis
  • Fluorescence_Fusobacterium necrophorum, F. nucleatum and F. species
  • Gram staining
  • Granules_Aggregatibacter actinomycetemcomitans
  • Indole test
  • Lipophylic Corynebacteria
  • Medusa head
  • Methylene Blue stain
  • Motility
  • Motility_Listeria monocytogenes_semi solid media
  • Motility_Proteus mirabilis
  • Nitrocefin DrySlide™
  • Optochin test
  • Oxidase test
  • Pyrase test
  • Satellitism test_Haemophilus influenzae
  • Triple Sugar Iron (TSI) Agar

CAMP-test revers_Corynebacterium ulcerans

  • General

    • ♦ Revers CAMP test
      It can be used for determination of Corynebacterium ulcerans

      Here a CAMP-revers positive Corynebacterium ulcerans 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 Corynebacterium ulcerans and Staphylococcus aureus
      This is because of alpha toxin produced by Corynebacterium ulcerans 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