Escherichia coli polysaccharide mutant

The improvements of the rheological properties of microbial exopolysaccharides through mutagenesis and mutant selection has been demonstrated for Escherichia coli and Enterobacter Klebsiella aerogenes) The chemical composition of each group of polysaccharides produced by the mutants did not show any significant differences from those originating from the parent strain. 

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