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. 1985 Jun;162(3):897–901. doi: 10.1128/jb.162.3.897-901.1985

Kinetic studies on formation of cytochrome oxidase of Rhodopseudomonas capsulata after a shift from phototrophic to chemotrophic growth.

H Hüdig, G Drews
PMCID: PMC215859  PMID: 2987193

Abstract

Rhodopseudomonas capsulata cells were shifted from phototrophic (anaerobic, light) to chemotrophic (semiaerobic, dark, 10% air saturation) growth conditions. During the adaptation period of 4 h, the bacteriochlorophyll content of cells and membranes decreased, and a newly synthesized 65-kilodalton polypeptide of the cytochrome oxidase was incorporated into the membrane fraction. The enzymatic activity of the cytochrome oxidase increased strongly after a lag time of 2 h. The amount of cytochrome oxidase protein does not follow the same kinetics. The relative amount of a membrane-bound cytochrome c of low molecular weight, which has been proposed to be a donor for the cytochrome oxidase, increased during adaptation.

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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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