Using an Autoimmune Model to Dissect Plant Immunity

使用自身免疫模型剖析植物免疫

基本信息

  • 批准号:
    RGPIN-2014-05384
  • 负责人:
  • 金额:
    $ 4.3万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2018
  • 资助国家:
    加拿大
  • 起止时间:
    2018-01-01 至 2019-12-31
  • 项目状态:
    已结题

项目摘要

Proposal Summary ** One major contributing factor to losses in both crop yield and quality is disease caused by microbial pathogens. Every year, farmers around the globe spend billions of dollars on pesticides to save their crops, even though most chemicals are damaging to the environment and may lead to the evolution of pesticide-resistant pathogens. As such, the search for alternative control methods that are more sustainable and environmentally safe is ongoing. One alternative approach is to breed for crops with a variety of resistance (R) genes, which encode R proteins that trigger strong defense responses upon pathogen recognition. Despite R protein-mediated resistance being very effective against many pathogens, its molecular mechanism remains unclear. The long-term goal of my lab is to understand R protein-mediated plant immunity at the molecular level and use the knowledge to develop methods for sustainable crop protection. ** During the past decade, my group has discovered a number of critical regulators that function in the plant immune system. We showed that nucleocytoplasmic trafficking, transcriptional regulation, protein modifications and RNA processing all play important roles in the regulation of R protein-mediated immunity. Moving forward, we will use multidisciplinary approaches in molecular genetics, biochemistry, chemistry, and genomics to identify key missing players, both positive and negative regulators, in plant immunity and elucidate how these components function together to mount proper defense responses upon pathogen attack. The proposed research will not only enrich our current understanding of how plants defend themselves against microbial pathogens, but also provide insight into how to design novel strategies to protect the crops in our fields. ** Finally, mammalian innate immunity has been shown to share remarkable similarity to plant disease resistance mechanisms. Some regulators of plant immunity we are currently studying have close homologs in mammals whose functions are unclear. Our proposed studies to reveal the biochemical functions of these proteins will shed light on how these proteins function in animals. Thus our proposed research may also have potential health benefits to human society.
建议摘要**造成作物产量和质量损失的一个主要因素是由微生物病原体引起的疾病。每年,世界各地的农民都会在杀虫剂上花费数十亿美元来拯救他们的农作物,尽管大多数化学物质都会破坏环境,并可能导致抗药性病原体的进化。因此,正在寻找更可持续和对环境更安全的替代控制方法。一种替代方法是培育具有各种抗性(R)基因的作物,这些基因编码R蛋白,在病原体识别时触发强烈的防御反应。尽管R蛋白介导的抗性对许多病原菌非常有效,但其分子机制尚不清楚。我的实验室的长期目标是在分子水平上了解R蛋白介导的植物免疫,并利用这些知识开发可持续作物保护的方法。**在过去的十年里,我的团队发现了许多在植物免疫系统中发挥作用的关键调节因子。我们发现核质转运、转录调控、蛋白质修饰和RNA加工都在调节R蛋白介导的免疫中起着重要作用。展望未来,我们将使用分子遗传学、生物化学、化学和基因组学的多学科方法来确定植物免疫中缺失的关键角色,包括正调控因子和负调控因子,并阐明这些成分如何共同发挥作用,在病原体攻击时做出适当的防御反应。这项拟议的研究不仅将丰富我们目前对植物如何防御微生物病原体的理解,还将为如何设计新的策略来保护我们田里的作物提供洞察力。**最后,哺乳动物的天然免疫已被证明与植物的抗病机制有显著的相似之处。我们目前正在研究的一些植物免疫调节因子在哺乳动物中具有密切的同源性,其功能尚不清楚。我们提出的揭示这些蛋白质的生化功能的研究将有助于阐明这些蛋白质如何在动物体内发挥作用。因此,我们提议的研究也可能对人类社会产生潜在的健康益处。

项目成果

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Li, Xin其他文献

Plasma metabolomic characterization of premature ovarian insufficiency.
  • DOI:
    10.1186/s13048-022-01085-y
  • 发表时间:
    2023-01-05
  • 期刊:
  • 影响因子:
    4
  • 作者:
    Zhou, Xing-Yu;Li, Xin;Zhang, Jun;Li, Ying;Wu, Xiao-Min;Yang, Yi-Zhen;Zhang, Xiao-Fei;Ma, Lin-Zi;Liu, Yu-Dong;Wang, Zhe;Chen, Shi-Ling
  • 通讯作者:
    Chen, Shi-Ling
Sarcoidosis misdiagnosed as malignant tumors: a case report
  • DOI:
    10.1186/s12957-015-0748-6
  • 发表时间:
    2015-12-12
  • 期刊:
  • 影响因子:
    3.2
  • 作者:
    Li, Zuosheng;Li, Xin;Chen, Jun
  • 通讯作者:
    Chen, Jun
Nosocomial spread of OXA-232-producing Klebsiella pneumoniae ST15 in a teaching hospital, Shanghai, China
  • DOI:
    10.1186/s12866-019-1609-1
  • 发表时间:
    2019-10-28
  • 期刊:
  • 影响因子:
    4.2
  • 作者:
    Li, Xin;Ma, Wei;Li, Boan
  • 通讯作者:
    Li, Boan
Immunogenicity Analysis of a Novel Subunit Vaccine Candidate Molecule-Recombinant L7/L12 Ribosomal Protein of Brucella suis
  • DOI:
    10.1007/s12010-016-2076-x
  • 发表时间:
    2016-08-01
  • 期刊:
  • 影响因子:
    3
  • 作者:
    Du, Zhi-Qiang;Li, Xin;Wang, Jian-Ying
  • 通讯作者:
    Wang, Jian-Ying
Assimilating passive microwave remote sensing data into a land surface model to improve the estimation of snow depth
将被动微波遥感数据同化到地表模型中以改进雪深的估计
  • DOI:
    10.1016/j.rse.2013.12.009
  • 发表时间:
    2014-03
  • 期刊:
  • 影响因子:
    13.5
  • 作者:
    Che, Tao;Li, Xin;Jin, Rui;Huang, Chunlin
  • 通讯作者:
    Huang, Chunlin

Li, Xin的其他文献

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{{ truncateString('Li, Xin', 18)}}的其他基金

Plant immunity
植物免疫
  • 批准号:
    CRC-2021-00336
  • 财政年份:
    2022
  • 资助金额:
    $ 4.3万
  • 项目类别:
    Canada Research Chairs
A high-performance liquid chromatography (HPLC) system for analyzing plant defense hormone salicylic acid
用于分析植物防御激素水杨酸的高效液相色谱 (HPLC) 系统
  • 批准号:
    RTI-2023-00119
  • 财政年份:
    2022
  • 资助金额:
    $ 4.3万
  • 项目类别:
    Research Tools and Instruments
DISSECTING SIGNALING PATHWAYS IN PLANT IMMUNITY
剖析植物免疫中的信号通路
  • 批准号:
    RGPIN-2019-04046
  • 财政年份:
    2022
  • 资助金额:
    $ 4.3万
  • 项目类别:
    Discovery Grants Program - Individual
DISSECTING SIGNALING PATHWAYS IN PLANT IMMUNITY
剖析植物免疫中的信号通路
  • 批准号:
    RGPIN-2019-04046
  • 财政年份:
    2021
  • 资助金额:
    $ 4.3万
  • 项目类别:
    Discovery Grants Program - Individual
PRoTECT - Plant Responses To Eliminate Critical Threats: An NSERC-CREATE-DFG-IRTG joint training program to train the next generation of "Plant Doctors"
PROTECT - 消除严重威胁的植物反应:NSERC-CREATE-DFG-IRTG 联合培训计划,旨在培训下一代“植物医生”
  • 批准号:
    509257-2018
  • 财政年份:
    2021
  • 资助金额:
    $ 4.3万
  • 项目类别:
    Collaborative Research and Training Experience
PRoTECT - Plant Responses To Eliminate Critical Threats: An NSERC-CREATE-DFG-IRTG joint training program to train the next generation of "Plant Doctors"
PROTECT - 消除严重威胁的植物反应:NSERC-CREATE-DFG-IRTG 联合培训计划,旨在培训下一代“植物医生”
  • 批准号:
    509257-2018
  • 财政年份:
    2020
  • 资助金额:
    $ 4.3万
  • 项目类别:
    Collaborative Research and Training Experience
DISSECTING SIGNALING PATHWAYS IN PLANT IMMUNITY
剖析植物免疫中的信号通路
  • 批准号:
    RGPIN-2019-04046
  • 财政年份:
    2020
  • 资助金额:
    $ 4.3万
  • 项目类别:
    Discovery Grants Program - Individual
DISSECTING SIGNALING PATHWAYS IN PLANT IMMUNITY
剖析植物免疫中的信号通路
  • 批准号:
    RGPIN-2019-04046
  • 财政年份:
    2019
  • 资助金额:
    $ 4.3万
  • 项目类别:
    Discovery Grants Program - Individual
PRoTECT - Plant Responses To Eliminate Critical Threats: An NSERC-CREATE-DFG-IRTG joint training program to train the next generation of "Plant Doctors"
PROTECT - 消除严重威胁的植物反应:NSERC-CREATE-DFG-IRTG 联合培训计划,旨在培训下一代“植物医生”
  • 批准号:
    509257-2018
  • 财政年份:
    2019
  • 资助金额:
    $ 4.3万
  • 项目类别:
    Collaborative Research and Training Experience
PRoTECT - Plant Responses To Eliminate Critical Threats: An NSERC-CREATE-DFG-IRTG joint training program to train the next generation of "Plant Doctors"
PROTECT - 消除严重威胁的植物反应:NSERC-CREATE-DFG-IRTG 联合培训计划,旨在培训下一代“植物医生”
  • 批准号:
    509257-2018
  • 财政年份:
    2018
  • 资助金额:
    $ 4.3万
  • 项目类别:
    Collaborative Research and Training Experience

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