Identification of atypical mycobacteria by thin-layer chromatography of their surface antigens.

AUTOR(ES)

Brennan, P J

RESUMO

The knowledge that the surface (Schaefer) antigens of certain smooth-colony atypical mycobacteria are multiglycosylated C-mycosidic peptidoglycolipids was used to devise a sensitive thin-layer chromatographic (TLC) procedure for the identification of Mycobacterium avium/M. intracellulare/M. scrofulaceum serotypes. TLC maps of the type-specific peptidoglycolipids from 17 of the 31 serotypes are presented. The primary use of the technique is to corroborate results obtained by seroagglutination. Without the aid of seroagglutination, the TLC procedure almost invariably requires the availability of reference strains or the specific peptidoglycolipids derived therefrom.

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