Extraction of group A streptococcal M protein with nitrous acid.

Abstract:

:Specific precipitating and opsonic neutralizing antigens were identified in dilute-nitrous acid extracts of group A streptococci. This was done by decreasing the temperature and time of exposure of the streptococcal cells to the nitrous acid. Ninety percent of 31 strains of group A streptococcal dilute-nitrous acid extracts formed precipitin lines of identity with conventional Lancefield extracts of the same group A streptococci.

journal_name

J Clin Microbiol

authors

Hafez K,El Kholy AM,Facklam RR

doi

10.1128/JCM.14.5.530-533.1981

subject

Has Abstract

pub_date

1981-11-01 00:00:00

pages

530-3

issue

5

eissn

0095-1137

issn

1098-660X

journal_volume

14

pub_type

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