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. 1972 Oct 1;55(1):32–41. doi: 10.1083/jcb.55.1.32

MEMBRANE SYNTHESIS IN BACILLUS SUBTILIS

III. The Morphological Localization of the Sites of Membrane Synthesis

Leonard Mindich 1, Samuel Dales 1
PMCID: PMC2108749  PMID: 4653419

Abstract

The results of several lines of investigation indicate that membrane growth in Bacillus subtilis does not occur at one or a small number of discrete zones. No indications of large regions of membrane conservation were observed. Kinetic labeling experiments of mesosomal and plasma membrane lipids indicate that the mesosomal lipids are not precursors of the plasma membrane lipids. Density shift experiments, in which the changes in buoyant density of membranes were studied after growth in deuterated media, showed no indication of large zones of conservation during membrane growth. Radioautography of thin sections of cells pulse labeled with tritiated glycerol showed no indication of specific zones of lipid synthesis. The consequences of these results for models of cell growth and division are discussed.

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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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