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The biosynthesis of n-[2H7] fatty acids byArthrobacter globiformis from [U-2H15] octanoic acid

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Lipids

Abstract

The principal fatty acids present whenArthrobacter globiformis is grown on a glycine medium free of normal fatty acids were found to be the C15 and C16 anteiso fatty acids; only a small amount of the normal fatty acids (C14 and C16) were present. Cells grown on the same medium but supplemented mented with 0.1 mg/ml [U-2H15]octanoic acid were found to contain an increased amount of the normal fatty acids and these fatty acids were found to be labeled with 7 deuteriums. I concluded that the octanoic acid is degraded by β-oxidation in these cells to [U-2H7] butyryl-CoA, which then competes with 2-methylbutyryl-CoA for the initiation of fatty acid biosynthesis.

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Authors and Affiliations

  1. Department of Biochemistry and Nutrition, Virginia Polytechnic Institute and State University, 24061, Blacksburg, VA

    Robert H. White

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  1. Robert H. White
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White, R.H. The biosynthesis of n-[2H7] fatty acids byArthrobacter globiformis from [U-2H15] octanoic acid. Lipids 19, 570–572 (1984). https://doi.org/10.1007/BF02534493

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  • DOI: https://doi.org/10.1007/BF02534493

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