Degradation of 5-chloro-2-hydroxynicotinic acid by Mycobacterium sp. BA. 1989

P E Tibbles, and R Müller, and F Lingens
Institut für Mikrobiologie, Universität Hohenheim.

Bacteria with the ability to use 5-chloro-2-hydroxynicotinic acid as sole source of carbon and energy have been isolated from enrichment cultures with 2-hydroxynicotinic acid and 5-chloro-2-hydroxynicotinic acid. According to their morphological and physiological properties, these bacteria have been classified as Mycobacterium sp. The first metabolite in the degradation pathway is 5-chloro-2,6-dihydroxynicotinic acid. 2-Hydroxynicotinic acid had an inductive effect on the degrading enzymes. Chloride was released from 5-chloro-2-hydroxynicotinic acid, chloromaleic acid and chlorofumaric acid. A degradation pathway is proposed.

UI MeSH Term Description Entries
D008298 Maleates Derivatives of maleic acid (the structural formula (COO-)-C
D009161 Mycobacterium A genus of gram-positive, aerobic bacteria. Most species are free-living in soil and water, but the major habitat for some is the diseased tissue of warm-blooded hosts. Mycobacteria
D009539 Nicotinic Acids 2-, 3-, or 4-Pyridinecarboxylic acids. Pyridine derivatives substituted with a carboxy group at the 2-, 3-, or 4-position. The 3-carboxy derivative (NIACIN) is active as a vitamin. Acids, Nicotinic
D005650 Fumarates Compounds based on fumaric acid. Fumarate,Fumaric Acid Ester,Fumaric Acid Esters,Fumarate Esters,Acid Ester, Fumaric,Acid Esters, Fumaric,Ester, Fumaric Acid,Esters, Fumarate,Esters, Fumaric Acid

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