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Article

Characterization of the cycHJKL genes involved in cytochrome c biogenesis and symbiotic nitrogen fixation in Rhizobium leguminosarum.

Journal of bacteriology - 1 Sept 1995

Delgado M J, Yeoman K H, Wu G, Vargas C, Davies A E, Poole R K, Johnston A W, Downie J A

Abstract excerpt

Mutants of Rhizobium leguminosarum bv. viciae unable to respire via the cytochrome aa3 pathway were identified by the inability to oxidize N,N'-dimethyl-p-phenylenediamine. Two mutants which were complemented by cosmid pIJ1942 from an R. leguminosarum clone bank were identified. Although pea nodules induced by these mutants contained many bacteroids, no symbiotic nitrogen fixation was detected. Heme staining of...

Topics

Amino Acid Sequence
Bacterial Proteins
Base Sequence
Cytochrome c Group
Cytochrome d Group
Electron Transport Complex IV
Genes, Bacterial
Heme
Membrane Proteins
Molecular Sequence Data

Methodology Data sources Editorial policy Privacy About Contact Helena Bioinformatics

Mutation

Nitrogen Fixation

Oxygen Consumption

Pisum sativum

Plant Roots

Rhizobium leguminosarum

Sequence Homology, Amino Acid

Spectrophotometry

Source

Open in PubMed Open full text

Identifiers

PMID: 7665469
DOI: 10.1128/jb.177.17.4927-4934.1995
PMCID: PMC177267

Provenance

PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 29 Aug 2026. Prepared record publication-7665469-2026-08-29.1. Manifest publication-graph-cohort-2026-08-29.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 29 Aug 2026.

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Characterization of the cycHJKL genes involved in cytochrome c biogenesis and symbiotic nitrogen fixation in Rhizobium leguminosarum.PMID 7665469Read ↗

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