Comparison of Bacterial Lipopolysaccharides by High-Performance Liquid Chromatography

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RESUMO

A comparison of lipid-free polysaccharides from gram-negative bacteria was rapidly accomplished by using high-performance liquid chromatography of underivatized hydrolysates. Examination of a number of such products revealed that, contrary to earlier reports, Xanthomonas campestris lipopolysaccharide contained heptose, together with rhamnose and galactose, but not mannose. The polymers from the methanotrophs “Methylomonas albus” and “Methylosinus trichosporium” contained heptose and glucose, and that from a “Klebsiella aerogenes” strain contained heptose, glucose, and galactose. The absence of heptose from the lipopolysaccharide of Myxococcus xanthus was confirmed.

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