Overexpression of Pto activates defense responses and confers broad resistance.

  title={Overexpression of Pto activates defense responses and confers broad resistance.},
  author={Xiaoyan Tang and Min Xie and Young Jin Kim and Jian-Min Zhou and Daniel F Klessig and Gregory B Martin},
  journal={The Plant cell},
  volume={11 1},
The tomato disease resistance (R) gene Pto specifies race-specific resistance to the bacterial pathogen Pseudomonas syringae pv tomato carrying the avrPto gene. Pto encodes a serine/threonine protein kinase that is postulated to be activated by a physical interaction with the AvrPto protein. Here, we report that overexpression of Pto in tomato activates defense responses in the absence of the Pto-AvrPto interaction. Leaves of three transgenic tomato lines carrying the cauliflower mosaic virus… CONTINUE READING
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