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Coniferyl Alcohol, a Lignin Precursor, Stimulates Rhizobium rhizogenes A4 Virulence

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Abstract

Rhizobium rhizogenes, a soil bacterium, is the causative agent of the neoplastic disease hairy root. Upon incubation of Rhizobium rhizogenes A4 with coniferyl alcohol, a lignin precursor, bacterial virulence on cotton cotyledon slices was stimulated. This was observed both in numbers of root hairs produced and in their length. Stimulation was maximized after exposure of bacteria to 150 μg/mL of coniferyl alcohol for 4 h. This was shown to be at the early log phase of bacterial growth.

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Acknowledgments

This paper is a contribution from the Agricultural Research Organization, The Volcani Center, Bet Dagan, Israel. No. 142-E, 2004 series.

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  1. Department of Plant Genetics, A.R.O., The Volcani Center, Bet Dagan, 50250, Israel

    Yedidya Gafni & Yael Levy

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  1. Yedidya Gafni
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  2. Yael Levy
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Correspondence to Yedidya Gafni.

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Gafni, Y., Levy, Y. Coniferyl Alcohol, a Lignin Precursor, Stimulates Rhizobium rhizogenes A4 Virulence. Curr Microbiol 50, 262–265 (2005). https://doi.org/10.1007/s00284-004-4427-z

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  • DOI: https://doi.org/10.1007/s00284-004-4427-z

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