Affiliation:
1. Electron Microscope Laboratory and Department of Bacteriology, University of California, Davis, California
Abstract
Pangborn
, J. (University of California, Davis),
Allen G. Marr, and S. A. Robrish
. Localization of respiratory enzymes in intracytoplasmic membranes of
Azotobacter agilis
. J. Bacteriol.
84:
669–678. 1962.—Thin sections of the cells of
Azotobacter agilis
which have been disrupted by sonic treatment, by osmotic shock, or by ballistic disintegration reveal a network of internal membranes in the form of vesicles and tubules. The internal membranes are attached to the envelope. Treatment in a Mickle disintegrator of envelopes emptied of cytoplasm by osmotic shock results in the loss of the internal membranes and a concomitant release of reduced diphosphopyridine nucleotide oxidase from the envelopes. Thus, the intracytoplasmic membranes are the probable locus of the respiratory enzymes of the cell. Thin sections of whole cells show tubular intracytoplasmic membranes which are obscured by ribosomes and other dense cytoplasmic constituents.
Publisher
American Society for Microbiology
Subject
Molecular Biology,Microbiology
Cited by
61 articles.
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