For catalase-negative, gamma-hemolytic streptococci, the PYR test is typically used; Enterococcus is PYR-positive, while Group B Strep (S. agalactiae) is PYR-negative.
Katalaz negatif, gama hemolitik streptokoklar için test olarak genellikle PYR testi kullanılır; Enterococcus PYR pozitif iken, Grup B Strep (S. agalactiae) PYR negatiftir.
| Front | Gram positive lab algorithm: Catalase negative Start with GAMMA hemolytic on the right: What test is used to differentiate 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?2 |
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