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The ABC transporter BcatrB from Botrytis cinerea exports camalexin and is a virulence factor on Arabidopsis thaliana

Stefanato, Francesca L. ; Abou-Mansour, Eliane ; Buchala, Antony ; Kretschmer, Matthias ; Mosbach, Andreas ; Hahn, Matthias ; Bochet, Christian G. ; Métraux, Jean-Pierre ; Schoonbeek, Henk-jan

In: The Plant Journal, 2009///doi: 10.1111/j.1365-313X.2009.03794.x

Arabidopsis thaliana is known to produce the phytoalexin camalexin in response to abiotic and biotic stress. Here we studied the mechanisms of tolerance to camalexin in the fungus Botrytis cinerea, a necrotrophic pathogen of A. thaliana. Exposure of B. cinerea to camalexin induces expression of BcatrB, an ABC transporter that functions in the efflux of fungitoxic compounds. B. cinerea inoculated...