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  • New Target to Boost Plant Resistance to Insects and Pathogens Identified.
  • May 23, 2013 — Plants can't swat a bug or run away from one, but that doesn't mean that plants can't fight back.
  • Plants have evolved unique and sophisticated immune systems to defend themselves against insects and pathogens.
  • Plant hormones called jasmonates play an important role in this defense, but jasmonates have been found to also be important for plant growth.
  • Now, researchers reporting in the May 23 issue of the Cell Press journal Molecular Cell have discovered a gene in the jasmonate pathway that controls plant defenses but does not play a detectable role in plant development.
  • These findings could be applied to improve crop resistance in agriculture.
  • "Our findings may be used to develop a novel strategy to engineer dual plant resistances against both insects and pathogens in the agricultural industry by manipulating the jasmonate signaling pathway without negatively affecting plant growth," says senior author Dr. Daoxin Xie of Tsinghua University in Beijing, China.
  • Dr. Xie and his colleagues performed genetic screening tests in plants to silence different genes in the jasmonate pathway.
  • The experiments revealed that silencing the JAV1 gene significantly enhanced jasmonate-regulated defense responses against pathogens and insects but did not severely alter jasmonate-mediated developmental processes.

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    • Plant hormones called jasmonates play an important role in this defense, but jasmonates have been found to also be important for plant growth.
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    • Now, researchers reporting in the May 23 issue of the Cell Press journal Molecular Cell have discovered a gene in the jasmonate pathway that controls plant defenses but does not play a detectable role in plant development.
      Stem nu!
    • Tilføj en ny rettelse! - Sætning 5Tilføj en ny rettelse! - Sætning 5
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    • "Our findings may be used to develop a novel strategy to engineer dual plant resistances against both insects and pathogens in the agricultural industry by manipulating the jasmonate signaling pathway without negatively affecting plant growth," says senior author Dr. Daoxin Xie of Tsinghua University in Beijing, China.
      Stem nu!
    • Tilføj en ny rettelse! - Sætning 7Tilføj en ny rettelse! - Sætning 7
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    • The experiments revealed that silencing the JAV1 gene significantly enhanced jasmonate-regulated defense responses against pathogens and insects but did not severely alter jasmonate-mediated developmental processes.
      Stem nu!
    • Tilføj en ny rettelse! - Sætning 9Tilføj en ny rettelse! - Sætning 9