Research Article
1 December 1972

Relation Between Protein Synthesis and Phospholipid Synthesis and Turnover in Escherichia coli

Abstract

Turnover of phospholipids occurred continuously in a fatty acid auxotroph of Escherichia coli, but in the wild-type parent strain significant turnover occurred only under conditions where protein synthesis was inhibited but lipid synthesis continued. Both strains gave a stringent response of ribonucleic acid accumulation to amino acid starvation, but only in the wild type was lipid synthesis also inhibited. A revertant strain of the auxotroph resembled the wild type in this respect. The phospholipid that accumulates in the culture medium as a result of the lipid turnover appears to be part of a loosely bound low-density complex arising from the cell envelope.

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Published In

cover image Journal of Bacteriology
Journal of Bacteriology
Volume 112Number 3December 1972
Pages: 1408 - 1415
PubMed: 4565543

History

Published online: 1 December 1972

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Authors

Peter D. Crowfoot
Department of Biochemistry, Baylor College of Medicine, Houston, Texas 77025
Mojtaba Esfahani
Department of Biochemistry, Baylor College of Medicine, Houston, Texas 77025
Salih J. Wakil
Department of Biochemistry, Baylor College of Medicine, Houston, Texas 77025

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