Targeted gene deletions for polysaccharide slime formers
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United States of America Patent
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Dec 19, 2017
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app pub date -
Jul 19, 2016
filing date -
Feb 4, 2005
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Abstract
The present invention provides improved polysaccharides (e.g., gellan and diutan) produced by mutant gene R, M or N Sphingomonas strains containing at least one genetic modification that favors slime-forming polysaccharide production. Methods of making the mutant Sphingomonas strains and the culture broth containing such mutant Sphingomonas strains are also provided.
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