L-Pyrrolidonyl Arylamidase (PYR) Test
Objectives of PYR Test To determine the ability of organism to produce L-pyrrolidonyl arylamidase enzyme. It aids in the presumptive identification of group A streptococci (Streptococcus pyogenes) and Enterococci by the presence of the enzyme L-pyrrolidonyl arylamidase. Principle of PYR Test Pyrrolidonyl Arylamidase (PYR) test is a rapid test which is used for the presumptive identification of group A beta-hemolytic Streptococci …