Tag: Streptococcus pyogenes

Biochemical Test and Identification of Streptococcus pyogenes 4.3/5 (20)

Biochemical Test and Identification of Streptococcus pyogenes

Biochemical Test and Identification of Streptococcus pyogenes ­Basic Characteristics Properties (Streptococcus pyogenes) CAMP Negative (-ve) Capsule Capsulated Catalase Negative (-ve) Gram Staining Gram Positive (+ve) Hemolysis Beta Hemolytic Motility Non-Motile OF (Oxidative-Fermentative) Facultative Anaerobes PYR Positive (+ve) Shape Cocci Spore Non-Sporing Urease Negative (-ve) VP (Voges Proskauer) Negative (-ve) 6.5% NaCl Growth Negative (-ve) Fermentation […]

PYR Test- Principle, Uses, Procedure and Result Interpretation 4.88/5 (16)

Result Interpretation of PYR Test

PYR Test- Principle, Uses, Procedure and Result Interpretation PYR (Pyrrolidonyl Aminopeptidase) Test is used for the detection of pyrolidonyl arylamidase (also called pyrrolidonyl aminopeptidase) activity in Streptococcus pyogenes (group A strep), Enterococcus spp., some coagulase-negative staphylococci, and some Enterobacteriaceae. It is also known as PYR (L-pyrrolidonyl-β-naphthylamide) which serve as a substrate for the detection of […]

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