Xanthan gum-producing strain of xanthomonas

Chemistry: molecular biology and microbiology – Micro-organism – per se ; compositions thereof; proces of... – Bacteria or actinomycetales; media therefor

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435104, 536 237, 935 42, 935 72, C12N 121

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active

053407431

ABSTRACT:
A method of increasing xanthan gum production, comprising culturing a Xanthomonas campestris strain having a xanthan-increasing modification in a culture medium, wherein the modification is selected from the group consisting of (1) a mutation causing rifampicin-resistance; (2) a mutation causing bacitracin-resistance; or (3) exogenous genetic information controlling the synthesis of xanthan; and separating xanthan from the culture medium, is provided along with specific DNA sequences and Xanthomonas campestris strains showing increased xanthan gum production.

REFERENCES:
Harding et al., J. Bacteriology, vol. 169, 1987, pp. 2854-2861.
Harding et al., Abstr. Ann. Meeting of Amer. Soc. for Microbiol, p. 273, Abstract No. 0-64, Mar. 1986.

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