1887

Abstract

SUMMARY: Mutagenesis of yielded two major classes of mutant, both having cell surface polysaccharides fundamentally different from the wild-type. The wild-type bacterium produced copious amounts of extracellular slime polysaccharide containing glucose, mannose and glucuronic acid in a ratio of 2:2:1. ‘Non-mucoid’ mutants produced trace amounts of exopolysaccharide identical to the wild-type product; ‘crenated’ mutants produced material with an unusual composition containing sugars normally found in the lipopolysaccharide. Analysis of lipopolysaccharide fractions from these strains showed that the wild-type polysaccharide fraction contained predominantly glucose. Polysaccharides from the two classes of mutant bacteria were similar and contained rhamnose, galactose and smaller amounts of glucose.

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/content/journal/micro/10.1099/00221287-124-2-385
1981-06-01
2019-10-23
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http://instance.metastore.ingenta.com/content/journal/micro/10.1099/00221287-124-2-385
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