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  • 标题:Phosphorylation-guarded light-harvesting complex II contributes to broad-spectrum blast resistance in rice
  • 本地全文:下载
  • 作者:Muxing Liu ; Muxing Liu ; Suobing Zhang
  • 期刊名称:Proceedings of the National Academy of Sciences
  • 印刷版ISSN:0027-8424
  • 电子版ISSN:1091-6490
  • 出版年度:2019
  • 卷号:116
  • 期号:35
  • 页码:17572-17577
  • DOI:10.1073/pnas.1905123116
  • 出版社:The National Academy of Sciences of the United States of America
  • 摘要:Environmental conditions are key factors in the progression of plant disease epidemics. Light affects the outbreak of plant diseases, but the underlying molecular mechanisms are not well understood. Here, we report that the light-harvesting complex II protein, LHCB5, from rice is subject to light-induced phosphorylation during infection by the rice blast fungus Magnaporthe oryzae . We demonstrate that single-nucleotide polymorphisms (SNPs) in the LHCB5 promoter control the expression of LHCB5 , which in turn correlates with the phosphorylation of LHCB5. LHCB5 phosphorylation enhances broad-spectrum resistance of rice to M. oryzae through the accumulation of reactive oxidative species (ROS) in the chloroplast. We also show that LHCB5 phosphorylation-induced resistance is inheritable. Our results uncover an immunity mechanism mediated by phosphorylation of light-harvesting complex II..
  • 关键词:light;harvesting complex II ; phosphorylation ; Magnaporthe oryzae ; broad;spectrum resistance
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