Atypical E2F transcriptional repressor DEL1 acts at the intersection of plant growth and immunity by controlling the hormone salicylic acid.

@article{Chandran2014AtypicalET,
  title={Atypical E2F transcriptional repressor DEL1 acts at the intersection of plant growth and immunity by controlling the hormone salicylic acid.},
  author={Divya Chandran and Joshua Rickert and Yingxiang Huang and Michael A Steinwand and Sharon K Marr and Mary C. Wildermuth},
  journal={Cell host & microbe},
  year={2014},
  volume={15 4},
  pages={506-13}
}
In plants, the activation of immunity is often inversely correlated with growth. Mechanisms that control plant growth in the context of pathogen challenge and immunity are unclear. Investigating Arabidopsis infection with the powdery mildew fungus, we find that the Arabidopsis atypical E2F DEL1, a transcriptional repressor known to promote cell proliferation, represses accumulation of the hormone salicylic acid (SA), an established regulator of plant immunity. DEL1-deficient plants are more… CONTINUE READING
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