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. 1973 May;134(1):295–310. doi: 10.1042/bj1340295

An investigation into the role of malonyl-coenzyme A in isoprenoid biosynthesis

M J P Higgins 1, R G O Kekwick 1
PMCID: PMC1177809  PMID: 4579226

Abstract

1. [14C]Malonyl-CoA was incorporated into isoprenoids by cell-free yeast preparations, by preparations from pigeon and rat liver, and by Hevea brasiliensis latex. 2. In agreement with previous reports the incorporation of acetyl-CoA into isoprenoids was not inhibited by avidin and was not stimulated by HCO3−. In a cell-free yeast preparation addition of HCO3− stimulated the formation of fatty acids from acetyl-CoA and decreased the incorporation into unsaponifiable lipids. 3. The labelling patterns of β-hydroxy-β-methylglutaryl-CoA formed from [2-14C]- and [1,3-14C]-malonyl-CoA in rat and pigeon liver preparations were those that would be expected if malonyl-CoA underwent decarboxylation to acetyl-CoA before incorporation. 4. The labelling pattern of ergosterol formed by cell-free yeast preparations from [2-14C]malonyl-CoA was also consistent with decarboxylation of malonyl-CoA before incorporation. 5. The incorporation of [2-14C]malonyl-CoA into mevalonate by rat liver preparations was related to the malonyl-CoA decarboxylase activity present in the preparation.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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