[Comparison of three pigment production media with CAMP and hippurate hydrolysis tests for the identification of beta-streptococcus group B].
Three pigment production media were compared with CAMP and hippurate hydrolysis tests for the identification of beta-Streptococcus group B. A total of 129 clinical isolates of beta-Streptococcus group B and 287 beta-Streptococcus non group B were tested. The results show that sensitivities are: pigment medium, 99.2%, DMS medium, 95.6%, Columbia agar, 92.8%, CAMP test, 96.3%, hippurate hydrolysis test, 97.6%. As for specificities results show: CAMP test, 99.7%, the other tests, 100%; respectively. Pigment medium is a simple, convenient methodology.
Chen
C H
CH
Division of Bacteriology, Tri-Service General Hospital, Taipei, R.O.C.
Huang
L U
LU
D001431:Bacteriological Techniques; D003470:Culture Media; D006461:Hemolysis; D006626:Hippurates / Q000378:metabolism*; D006868:Hydrolysis; D010860:Pigments, Biological / Q000378:metabolism*; D011237:Predictive Value of Tests; D013292:Streptococcus agalactiae / Q000145:classification* / Q000378:metabolism
D003470:Culture Media; D006626:Hippurates; D010860:Pigments, Biological