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Article

Novel reiterated Fnr-type proteins control the production of the symbiotic terminal oxidase cbb3 in Rhizobium etli CFN42.

Molecular plant-microbe interactions : MPMI - 1 Oct 2007

Granados-Baeza Manuel J, Gómez-Hernández Nicolás, Mora Yolanda, Delgado María J, Romero David, Girard Lourdes

Abstract excerpt

Symbiotic nitrogen-fixing bacteria express a terminal oxidase with a high oxygen affinity, the cbb3-type oxidase encoded by the fixNOQP operon. Previously, we have shown that, in Rhizobium etli CFN42, the repeatedfixNOQP operons (fixNOQPd and fixNOQPf) have a differential role in nitrogen fixation. Only the fixNOQPd operon is required for the establishment of an effective symbiosis; microaerobic induction of this...

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PMID: 17918626
DOI: 10.1094/MPMI-20-10-1241

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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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