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. 1985 Apr;162(1):445-7.
doi: 10.1128/jb.162.1.445-447.1985.

Acylated proteins in Acholeplasma laidlawii

C E Dahl, N C Sacktor, J S Dahl

Acylated proteins in Acholeplasma laidlawii

C E Dahl et al. J Bacteriol. 1985 Apr.

Abstract

The covalent modification of membrane proteins by long-chain fatty acids was determined in two strains of Acholeplasma laidlawii by one-dimensional gel electrophoresis of radiolabeled membranes. Of the more than 50 membrane polypeptides detected, approximately 30 were labeled with [3H]palmitate, whereas covalent binding of [3H]oleate to membrane proteins could not be demonstrated. We suggest that in these wall-less bacteria, membrane protein acylation with saturated fatty acids may serve to ensure the structural integrity of the membrane.

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