Molecular evolution of virulence in natural field strains of Xanthomonas campestris pv. vesicatoria.

  title={Molecular evolution of virulence in natural field strains of Xanthomonas campestris pv. vesicatoria.},
  author={Walter Gassmann and Douglas Dahlbeck and Olga Chesnokova and Gerald V. Minsavage and Jeffrey B. Jones and Brian Staskawicz},
  journal={Journal of bacteriology},
  volume={182 24},
The avrBs2 avirulence gene of the bacterial plant pathogen Xanthomonas campestris pv. vesicatoria triggers disease resistance in pepper plants containing the Bs2 resistance gene and contributes to bacterial virulence on susceptible host plants. We studied the effects of the pepper Bs2 gene on the evolution of avrBs2 by characterizing the molecular basis for virulence of 20 X. campestris pv. vesicatoria field strains that were isolated from disease spots on previously resistant Bs2 pepper plants… CONTINUE READING


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