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Article

Multiple sensors provide spatiotemporal oxygen regulation of gene expression in a Rhizobium-legume symbiosis.

PLoS genetics - 1 Feb 2021

Rutten Paul J, Steel Harrison, Hood Graham A, Ramachandran Vinoy K, McMurtry Lucie, Geddes Barney, Papachristodoulou Antonis, Poole Philip S

Abstract excerpt

Regulation by oxygen (O2) in rhizobia is essential for their symbioses with plants and involves multiple O2 sensing proteins. Three sensors exist in the pea microsymbiont Rhizobium leguminosarum Rlv3841: hFixL, FnrN and NifA. At low O2 concentrations (1%) hFixL signals via FxkR to induce expression of the FixK transcription factor, which activates transcription of downstream genes. These include fixNOQP, encoding...

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Identifiers

PMID: 33539353
DOI: 10.1371/journal.pgen.1009099
PMCID: PMC7888657

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 7 Sept 2026. Manifest publication-graph-cohort-2026-09-08.1.

Source receipt: pubmed, retrieved 7 Sept 2026.

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Multiple sensors provide spatiotemporal oxygen regulation of gene expression in a Rhizobium-legume symbiosis.PMID 33539353Read ↗

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