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Article

A chromosomal Agrobacterium tumefaciens gene required for effective plant signal transduction.

Journal of bacteriology - 1 Apr 1990

Huang M L, Cangelosi G A, Halperin W, Nester E W

Abstract excerpt

The vir gene products of Agrobacterium tumefaciens carry out the transfer of T-DNA to the plant genome. Effective transcriptional induction of the vir genes by plant signal molecules is controlled by two vir gene products, VirA and VirG. In this study we have identified and cloned a chromosomal region which is also required for vir gene induction. Transposon insertions within this region reduce induction...

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Identifiers

PMID: 2156804
DOI: 10.1128/jb.172.4.1814-1822.1990
PMCID: PMC208673

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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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A chromosomal Agrobacterium tumefaciens gene required for effective plant signal transduction.PMID 2156804Read ↗

Mutants of Agrobacterium tumefaciens with elevated vir gene expression.Semantic proximity Read ↗

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The regulatory VirG protein specifically binds to a cis-acting regulatory sequence involved in transcriptional activation of Agrobacterium tumefaciens virulence genes.Semantic proximity Read ↗

Regulation of Agrobacterium tumefaciens virulence gene expression: isolation of a mutation that restores virGD52E function.Semantic proximity Read ↗

Characterization of three Agrobacterium tumefaciens avirulent mutants with chromosomal mutations that affect induction of vir genes.Semantic proximity Read ↗

Construction of Agrobacterium strains by electroporation of genomic DNA and its utility in analysis of chromosomal virulence mutations.Semantic proximity Read ↗

Functional roles assigned to the periplasmic, linker, and receiver domains of the Agrobacterium tumefaciens VirA protein.Semantic proximity Read ↗

virG, an Agrobacterium tumefaciens transcriptional activator, initiates translation at a UUG codon and is a sequence-specific DNA-binding protein.Semantic proximity Read ↗

The integrity of the periplasmic domain of the VirA sensor kinase is critical for optimal coordination of the virulence signal response in Agrobacterium tumefaciens.Semantic proximity Read ↗

Intersubunit complementation of sugar signal transduction in VirA heterodimers and posttranslational regulation of VirA activity in Agrobacterium tumefaciens.Semantic proximity Read ↗

Molecular basis of ChvE function in sugar binding, sugar utilization, and virulence in Agrobacterium tumefaciens.Semantic proximity Read ↗

Mutants of the Agrobacterium tumefaciens virA gene exhibiting acetosyringone-independent expression of the vir regulon.Semantic proximity Read ↗

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