ASSOCIATION OF PRODUCTION OF DIPHOSPHOPYRIDINE NUCLEOTIDASE WITH SEROLOGICAL TYPE OF GROUP A STREPTOCOCCUS

Abstract
Group A streptococci belonging to types 3, 4, 6 and 12 tend to produce extracellular DPNase with considerable regularity while strains belonging to types 1, 5, 14, 19 and 24 tend not to produce the enzyme.

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