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Levels of cell wall enzymes in endospores and vegetative cells of Bacillus subtilis.

作者信息

Reusch V M, Hale S G, Hurly B J

出版信息

J Bacteriol. 1982 Dec;152(3):1147-53. doi: 10.1128/jb.152.3.1147-1153.1982.

Abstract

Vegetative bacilli and refractile endospores of Bacillus subtilis 168 were disrupted by homogenization with glass beads and fractionated by differential centrifugation. Most of the protein of endospores was particulate, whereas for bacilli most was soluble. Alanine racemase activity was sixfold higher in extract of endospores than in extract of bacilli and was particulate, whereas the enzyme from bacilli was soluble. The specific activities of seven other enzymes involved in peptidoglycan and teichoic acid biosynthesis were higher in extracts of bacilli than in those of endospores. The results suggest that restoration of activities of these seven enzymes to vegetative levels occurs during germination and outgrowth.

摘要

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本文引用的文献

1
Protein measurement with the Folin phenol reagent.
J Biol Chem. 1951 Nov;193(1):265-75.
7
Teichoic and teichuronic acids: biosynthesis, assembly, and location.
Microbiol Rev. 1981 Jun;45(2):211-43. doi: 10.1128/mr.45.2.211-243.1981.

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