Bacterial catabolism of chitin

Details Bacterial catabolism of chitin Bacterial catabolism of chitin

1995-02-13

1998-08-11

Prouty, Rebecca E.

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Bacteria or actinomycetales; media therefor

536 232, 4351723, 4353201, 435209, 435712, 435909, C12N 1556, C12N 942, C12N 121

Patent

active

057926476

ABSTRACT:
The present invention reveals the cloning of four genes involved in the catabolism of chitin in Vibrio furnissii: endI encodes periplasmic chitodextrinase, exoI encodes periplasmic .beta.-N-acetylglucosaminidase, exoII encodes aryl .beta.-N-acetyl-glucosaminidase and chiA encodes extracellular chitinase. The complete nucleotide sequence for each of the four genes and the complete amino acid for the corresponding enzymes are demonstrated along with host cells capable of expressing the recombinant enzymes. The present invention also describes four specific strains of V. furnissii having deletions in genes involved in the catabolic pathway of chitin and a process for the production of chitin oligosaccharides.

REFERENCES:
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B. Bassler et al., "Chitin Utilization by Marine Bacteria: Chemotaxis to Chitin Oligosaccharides by Vibrio Furnissii"; J. Biol. Chem., vol. 266, No. 36, (1991) pp. 24268-24275.
B. Bassler et al., "Chitin Utilization by Marine Bacteria: Degradation and Catabolism of Chitin Oligosaccharides by Vibrio Furnissii"; J. Biol. Chem., vol. 266, No. 36, (1991) pp. 24276-24286.
C. Yu et al., "Chemotaxis of the Marine Bacterium Vibrio Funissii to Sugars: A Potential Mechanism for Initiating the Chitin Catabolic Cascade"; J. Biol. Chem., vol. 268, No. 13, (1993) pp. 9405-9409.
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