For catalase-negative, beta-hemolytic streptococci, the bacitracin test differentiates; S. agalactiae is resistant, while S. pyogenes is sensitive.
Katalaz negatif, beta hemolitik streptokoklar için bacitracin testi kullanılır; S. agalactiae bacitracine dirençlidir (negatif test), S. pyogenes duyarlıdır (pozitif test).
| Front | Gram positive lab algorithm: Catalase negative Start with BETA hemolytic in the middle: What test is used to different the species? This test can go one of two ways? What is the species for a negative test?1 What is the species for a positive test?1 |
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