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  • Title: Characterization of the specific antigenicity of representatives of M. senegalense and related bacteria.
    Author: Besra GS, Gurcha SS, Khoo KH, Morris HR, Dell A, Hamid ME, Minnikin DE, Goodfellow M, Brennan PJ.
    Journal: Zentralbl Bakteriol; 1994 Nov; 281(4):415-32. PubMed ID: 7727889.
    Abstract:
    Representative strains of M. senegalense and an unusual strain, labelled M. farcinogenes (M280) were examined by thin-layer chromatography for the presence of characteristic surface glycolipids. In the case of M. farcinogenes M280 and M. senegalense M264, the glycolipids were of the alkali-labile acyltrehalose lipooligosaccharide (LOS) class of antigens, whereas M. senegalense M263 was found to contain the alkali-stable glycopeptidolipids (GPL). Through a combination of 1H-NMR, methylation analysis, FAB/MS, and other analytical techniques, the structures of these glycolipids were deduced. The LOS glycolipids were found to be similar in structure to the characteristic glucosyltrehalose-based glycolipids isolated previously from clinical isolates of M. fortuitum, but distinct from the diacyltrehaloses characteristic of the type strain of M fortuitum. The glycopeptidolipids from M. senegalense M263 were closely similar to those characterized previously from M.
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