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Article

Identification of amino acid residues of the Agrobacterium tumefaciens quorum-sensing regulator TraR that are critical for positive control of transcription.

Molecular microbiology - 1 Mar 2005

White Catharine E, Winans Stephen C

Abstract excerpt

The LuxR-type quorum-sensing transcription factor TraR regulates replication and conjugal transfer of the tumour-inducing (Ti) plasmid in the plant pathogen Agrobacterium tumefaciens. TraR is a two-domain protein with an N-terminal domain that binds to the quorum-sensing signal N-3-oxooctanoyl- l...

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Identifiers

PMID: 15720554
DOI: 10.1111/j.1365-2958.2004.04482.x

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PubMed metadata and Literature Corpus relationships. Corpus snapshot updated 1 Sept 2026. Prepared record publication-15720554-2026-09-01.1. Manifest publication-graph-cohort-2026-09-01.1.

Source receipt: PubMed via Helena Literature Corpus, retrieved 1 Sept 2026.

Related research

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Research trail→

Click a neighbor to travelStep 1 · 12 closest

Identification of amino acid residues of the Agrobacterium tumefaciens quorum-sensing regulator TraR that are critical for positive control of transcription.PMID 15720554Read ↗

Identification of amino acid residues of the pheromone-binding domain of the transcription factor TraR that are required for positive control.Semantic proximity Read ↗

Amino-terminal protein fusions to the TraR quorum-sensing transcription factor enhance protein stability and autoinducer-independent activity.Semantic proximity Read ↗

N- and C-terminal regions of the quorum-sensing activator TraR cooperate in interactions with the alpha and sigma-70 components of RNA polymerase.Semantic proximity Read ↗

Quorum-sensing antiactivator TraM forms a dimer that dissociates to inhibit TraR.Semantic proximity Read ↗

Domains formed within the N-terminal region of the quorum-sensing activator TraR are required for transcriptional activation and direct interaction with RpoA from agrobacterium.Semantic proximity Read ↗

The antiactivator TraM interferes with the autoinducer-dependent binding of TraR to DNA by interacting with the C-terminal region of the quorum-sensing activator.Semantic proximity Read ↗

Crystal structure of the quorum-sensing protein TraM and its interaction with the transcriptional regulator TraR.Semantic proximity Read ↗

The quorum sensing transcriptional regulator TraR has separate binding sites for DNA and the anti-activator.Semantic proximity Read ↗

Error-prone PCR mutagenesis reveals functional domains of a bacterial transcriptional activator, TraJ.Semantic proximity Read ↗

The Agrobacterium tumefaciens rnd homolog is required for TraR-mediated quorum-dependent activation of Ti plasmid tra gene expression.Semantic proximity Read ↗

A new regulatory element modulates homoserine lactone-mediated autoinduction of Ti plasmid conjugal transfer.Semantic proximity Read ↗

Localization of OccR-activated and TraR-activated promoters that express two ABC-type permeases and the traR gene of Ti plasmid pTiR10.Semantic proximity Read ↗

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