NAD metabolism in Vibrio cholerae
- PMID: 6119307
- PMCID: PMC216632
- DOI: 10.1128/jb.149.1.368-371.1982
NAD metabolism in Vibrio cholerae
Abstract
Extracts of Vibrio cholerae were assayed for various enzymatic activities associated with pyridine nucleotide cycle metabolism. The activities measured include NAD glycohydrolase, nicotinamide deamidase, nicotinamide mononucleotide deamidase, and nicotinic acid phosphoribosyltransferase. The results obtained demonstrate the existence in V. cholerae of the five-membered pyridine nucleotide cycle and the potential for a four-membered pyridine nucleotide cycle. The data presented also suggest that most of the NAD glycohydrolase in V. cholerae extracts is not directly related to cholera toxin.
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