DNA segments controlling production of xanthan gum

Details DNA segments controlling production of xanthan gum DNA segments controlling production of xanthan gum

1992-01-24

1994-08-16

Schwartz, Richard A.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

4352523, C12N 1531, C12N 121

Patent

active

053388410

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 rifampicinresistance; (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. Bacteriol., vol. 169, 1987, pp. 2854-2861.
Kennedy et al., in Progress in Industrial Microbiology, 1984, M. E. Bushell, ed., Elsevier, Amsterdam, pp. 319-371.
Harding et al., Abstr. Ann. Meeting of Amer. Soc. for Microbiol., p. 273, Abstract No. 0-64, Mar. 1986.
Beguin et al., CRC Crit. Rev. Biotechnol., vol. 6, 1987, pp. 129-162.

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