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FEBS Lett. 1997 May 19;408(2):217-20.

Mitochondrial acyl carrier protein is involved in lipoic acid synthesis in Saccharomyces cerevisiae.

Author information

1
Department of Biology, University of California at San Diego, La Jolla 92093, USA.

Abstract

The yeast gene, ACP1, encoding the mitochondrial acyl carrier protein, was deleted by gene replacement. The resulting acp1-deficient mutants had only 5-10% of the wild-type lipoic acid content remaining, and exhibited a respiratory-deficient phenotype. Upon meiosis, the lipoate deficiency co-segregated with the acp1 deletion. The role of ACP1 in long-chain fatty acid synthesis was studied in fast and fas2 null mutants completely lacking cytoplasmic fatty acid synthase. When grown on odd-chain (13:0 and 15:0) fatty acids, these cells showed less than 1% of C-16 and C-18 acids in their total lipids. Mitochondrial ACP is therefore suggested to be involved with the biosynthesis of octanoate, a precursor to lipoic acid.

PMID:
9187370
DOI:
10.1016/s0014-5793(97)00428-6
[Indexed for MEDLINE]
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