Mycolic Acid Patterns of Representatives of Mycokterium book BCC

~~ The mycolic acids of 15 cultures of representative Mycobacrerium bovis BCG substrains were examined by alkaline hydrolysis followed by esterification and thin-layer chromatography of the resulting methyl esters. Representatives of the Moreau and Swedish substrains had mycolic acid patterns similar to M. bocis, composed of a-mycolates, methoxymycolates and ketomycolates, but examples of the Pasteur, GIaxo, Prague, Danish and Chinese substrains did not contain methoxymycolates. This apparent subdivision of M. bocis BCG substrains is in accordance with their varying antigenic patterns recorded in other studies.