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Science 23 May 1986:
Vol. 232. no. 4753, pp. 983 - 985
DOI: 10.1126/science.3085219
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Articles

Science, Vol 232, Issue 4753, 983-985
Copyright © 1986 by American Association for the Advancement of Science

articles

Plant phenolic compounds induce expression of the Agrobacterium tumefaciens loci needed for virulence

GW Bolton, EW Nester, and MP Gordon

The virulence loci of Agrobacterium tumefaciens are a set of linked transcriptional units that play an essential role in the early stages of plant tumorigenesis. These loci are induced upon cocultivation of the bacteria with plant cells. Seven phenolic compounds that are widely distributed among the angiosperm plants--catechol, gallic acid, pyrogallic acid, p-hydroxybenzoic acid, protocatechuic acid, beta-resorcylic acid, and vanillin--are able to induce the expression of the virulence loci. These phenolics in combination induce each transcriptional locus of the vir loci. Furthermore, this induction displays similar kinetics and genetic control to that observed during cocultivation of the bacteria with plant cells.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Agrobacterium-Mediated Plant Transformation: the Biology behind the "Gene-Jockeying" Tool.
S. B. Gelvin (2003)
Microbiol. Mol. Biol. Rev. 67, 16-37
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Efficient vir Gene Induction in Agrobacterium tumefaciens Requires virA, virG, and vir Box from the Same Ti Plasmid.
A. Krishnamohan, V. Balaji, and K. Veluthambi (2001)
J. Bacteriol. 183, 4079-4089
   Abstract »    Full Text »    PDF »
Regulation of the p-hydroxybenzoic acid hydroxylase gene (pobA) in plant-growth-promoting Pseudomonas putida WCS358.
I. Bertani, M. Kojic, and V. Venturi (2001)
Microbiology 147, 1611-1620
   Abstract »    Full Text »    PDF »
A plant flavone, luteolin, induces expression of Rhizobium meliloti nodulation genes.
N. Peters, J. Frost, and S. Long (1986)
Science 233, 977-980
   Abstract »    PDF »


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