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Mutagenesis of Xanthomonas campestris and selection of strains with enhanced xanthan production


Mutagenesis of Xanthomonas campestris and selection of strains with enhanced xanthan production



Iranian Biomedical Journal 7(3): 91-98



ISSN/ISBN: 1028-852X

Xanthan gum is a microbial polysaccharide of great commercial importance as it has unusual rheological properties in solution and consequent range of applications. In this study, a series of mutants were isolated from Xanthomonas campestris PTCC 1473 by ethyl methanesulfonate mutagenesis. The polysaccharide yield of one mutant, XC1473E2, was 30% better than that of the parent strain. It also showed higher xanthan formation and glucose consumption rates compared to the parent strain.

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