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Arch Microbiol. 1992;157(3):223-8.

Synthesis in vitro of very long chain fatty acids in Vibrio sp. strain ABE-1.

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Department of Biology, Faculty of Science, Hokkaido University, Sapporo, Japan.


The activity of fatty acid synthetase (FAS) from Vibrio sp. strain ABE-1 required the presence of acyl carrier protein and was completely inhibited by thiolactomycin, an inhibitor specific for a type II FAS. These observations indicate that this enzyme is a type II FAS. Analysis by gas-liquid chromatography of the reaction products synthesized in vitro from [2-14C]malonyl-CoA by the partially purified FAS revealed, in addition to 16- and 18-carbon fatty acids which are normal constituents of this bacterium, the presence of fatty acids with very long chains. These fatty acids were identified as saturated and mono-unsaturated fatty acids with 20 up to as many as 30 carbon atoms. The longest fatty acids normally found in this bacterium contain 18-carbon atoms. These results suggest that the FAS from Vibrio sp. strain ABE-1 has potentially the ability to synthesize fatty acids with very long chains.

[Indexed for MEDLINE]

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