f A new scheme for serotyping group-G streptococci
- Authors: S. F. Lawal, O. Dosunmu-Ogunbi
- J. Med. Microbiol., May 1986 21: 275-277, doi: 10.1099/00222615-21-3-275
- Subject: Articles
- Published Online:
Ten antisera, prepared against nine selected strains of group-G streptococci and a strain of group-A streptococci of M-type 12, were used to serotype 102 isolates of group-G streptococci by means of precipitation reactions between the sera and hot-acid extracts of the streptococci. Fifty-six (54·9%) of the streptococci could be typed; eight serotypes were identified, of which type VIII was the most common (18·6%). The M12 and the R28 antigens, previously recorded in group-G streptococci, were not detected. The type antigens were trypsin sensitive and resembled the M antigens of group-A streptococci.
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