1887

Abstract

There has been a general understanding that produces only apolar glycopeptidolipid (GPL), similar in structure to serovar non-specific GPL of . In this study, synthesis of polar GPL in carbon-starved is reported. Mass spectrometric analysis suggests the polar GPL to be a hyperglycosylated species. The earlier structural studies of polar GPLs from have invariably shown the presence of an oligosaccharide appendage to D-allo-Thr. However, a further chemical analysis using β-elimination of the newly found polar GPL in shows that the molecule still contains a monosaccharide at the D-allo-Thr, thus suggesting a new form of polar GPL.

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2002-10-01
2019-10-19
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