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Article

Genetic evidence for 5-aminoimidazole-4-carboxamide ribonucleotide (AICAR) as a negative effector of cytochrome terminal oxidase cbb3 production in Rhizobium etli.

Molecular & general genetics : MGG - 1 May 1997

Soberón M, Lopez O, Miranda J, Tabche M L, Morera C

Abstract excerpt

A Rhizobium etli Tn5mob-induced mutant (CFN035) exhibits an enhanced capacity to oxidize N,N,N',N', tetramethyl-p -phenylenediamine (TMPD), a presumptive indicator of elevated cytochrome c terminal oxidase activity. Sequencing of the mutated gene in CFN035 revealed that it codes for the amidophosphoribosyl transferase enzyme (PurF) that catalyzes the first step in the purine biosynthetic pathway. Two c-type...

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PMID: 9202382
DOI: 10.1007/s004380050464

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

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