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Article

Isolation of a Rhodobacter capsulatus mutant that lacks c-type cytochromes and excretes porphyrins.

Journal of bacteriology - 1 Mar 1990

Biel S W, Biel A J

Abstract excerpt

A Rhodobacter capsulatus mutant lacking cytochrome oxidase activity was isolated by Tn5 mutagenesis. Difference spectroscopy of crude extracts and extracted c-type cytochromes demonstrated that this mutant completely lacked all c-type cytochromes. The strain did, however, synthesize normal amounts of b-type cytochromes and nonheme iron. This mutant also excreted large amounts of coproporphyrin and protoporphyrin...

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Identifiers

PMID: 2155198
DOI: 10.1128/jb.172.3.1321-1326.1990
PMCID: PMC208601

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