Aerobic and Anaerobic Metabolism of 6,10,14-Trimethylpentadecan-2-one by a Denitrifying-bacterium Isolated from Marine Environments
1997
JEAN-FRANCOIS RONTANI | MICHELE J. GILEWICZ | VALERIE D. MICHOTEY | TIAN LING ZHENG | PATRICIA C. BONIN | JEAN-CLAUDE BERTRAND
This report describes the metabolism of 6,10,14-trimethylpentadecan-2-one by a denitrifying bacterium (Marinobacter sp. strain CAB) isolated from marine sediments. Under aerobic and denitrifying conditions, this strain efficiently degraded this ubiquitous isoprenoid ketone. Several bacterial metabolites, 4,8,12-trimethyltridecan-1-ol, 4,8,12-trimethyltridecanal, 4,8,12-trimethyltridecanoic acid, Z-3,7-dimethylocten-2-oic acid,Z-3,7, 11-trimethyldodecen-2-oic acid, and 6,10,14-trimethylpentadecan-2-ol, were formally identified, and different pathways were proposed to explain the formation of such isoprenoid compounds.
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