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Article

Identification of Escherichia coli ubiB, a gene required for the first monooxygenase step in ubiquinone biosynthesis.

Journal of bacteriology - 1 Sept 2000

Poon W W, Davis D E, Ha H T, Jonassen T, Rather P N, Clarke C F

Abstract excerpt

It was recently discovered that the aarF gene in Providencia stuartii is required for coenzyme Q (CoQ) biosynthesis. Here we report that yigR, the Escherichia coli homologue of aarF, is ubiB, a gene required for the first monooxygenase step in CoQ biosynthesis. Both the P. stuartii aarF and E. coli ubiB (yigR) disruption mutant strains lack CoQ and accumulate octaprenylphenol. Octaprenylphenol is the CoQ...

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Identifiers

PMID: 10960098
DOI: 10.1128/JB.182.18.5139-5146.2000
PMCID: PMC94662

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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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Research trail→

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Identification of Escherichia coli ubiB, a gene required for the first monooxygenase step in ubiquinone biosynthesis.PMID 10960098Read ↗

Mutants of Escherichia coli affected in respiration: the cloning and nucleotide sequence of ubiA, encoding the membrane-bound p-hydroxybenzoate:octaprenyltransferase.Semantic proximity Read ↗

A C-methyltransferase involved in both ubiquinone and menaquinone biosynthesis: isolation and identification of the Escherichia coli ubiE gene.Semantic proximity Read ↗

Mutations in aarE, the ubiA homolog of Providencia stuartii, result in high-level aminoglycoside resistance and reduced expression of the chromosomal aminoglycoside 2'-N-acetyltransferase.Semantic proximity Read ↗

Isolation and characterization of Escherichia coli mutants affected in aerobic respiration: the cloning and nucleotide sequence of ubiG. Identification of an S-adenosylmethionine-binding motif in protein, RNA, and small-molecule methyltransferases.Semantic proximity Read ↗

Identification and characterization of aarF, a locus required for production of ubiquinone in Providencia stuartii and Escherichia coli and for expression of 2'-N-acetyltransferase in P. stuartii.Semantic proximity Read ↗

Aerobic and anaerobic regulation of the ubiCA operon, encoding enzymes for the first two committed steps of ubiquinone biosynthesis in Escherichia coli.Semantic proximity Read ↗

Identification of an ancillary protein, YabF, required for activity of the KefC glutathione-gated potassium efflux system in Escherichia coli.Semantic proximity Read ↗

Identification of genes essential for the biogenesis of quinohemoprotein amine dehydrogenase.Semantic proximity Read ↗

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aarD, a Providencia stuartii homologue of cydD: role in 2'-N-acetyltransferase expression, cell morphology and growth in the presence of an extracellular factor.Semantic proximity Read ↗

Requirement for ubiquinone downstream of cytochrome(s) b in the oxygen-terminated respiratory chains of Escherichia coli K-12 revealed using a null mutant allele of ubiCA.Semantic proximity Read ↗

Identification of the gene (aroK) encoding shikimic acid kinase I of Escherichia coli.Semantic proximity Read ↗

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