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Evolution of Disease Defense Genes and Their Regulators in Plants

文献类型： 外文期刊

作者： Zhang, Rongzhi 1 ; Zheng, Fengya 2 ; Wei, Shugen 3 ; Zhang, Shujuan 1 ; Li, Genying 1 ; Cao, Peijian 4 ; Zhao, Shancen 2 ;

作者机构： 1.Minist Agr, Shandong Acad Agr Sci, Key Lab Wheat Biol & Genet Improvement North Yell, Natl Engn Lab Wheat & Maize,Inst Crop Sci, Jinan 250100, Shandong, Peoples R China

2.BGI Agro, BGI Inst Appl Agr, Shenzhen 518083, Peoples R China

3.Guangxi Bot Garden Med Plants, Nanning 530023, Peoples R China

4.Zhengzhou Tobacco Res Inst CNTC, China Tobacco Gene Res Ctr, Zhengzhou 450001, Henan, Peoples R China

关键词： disease resistance gene; miRNA regulation; CKRI; ETI; PTI; HIGS; SIGS

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

ISSN： 1422-0067

年卷期： 2019 年 20 卷 2 期

页码：

收录情况： SCI

摘要： Biotic stresses do damage to the growth and development of plants, and yield losses for some crops. Confronted with microbial infections, plants have evolved multiple defense mechanisms, which play important roles in the never-ending molecular arms race of plant-pathogen interactions. The complicated defense systems include pathogen-associated molecular patterns (PAMP) triggered immunity (PTI), effector triggered immunity (ETI), and the exosome-mediated cross-kingdom RNA interference (CKRI) system. Furthermore, plants have evolved a classical regulation system mediated by miRNAs to regulate these defense genes. Most of the genes/small RNAs or their regulators that involve in the defense pathways can have very rapid evolutionary rates in the longitudinal and horizontal co-evolution with pathogens. According to these internal defense mechanisms, some strategies such as molecular switch for the disease resistance genes, host-induced gene silencing (HIGS), and the new generation of RNA-based fungicides, have been developed to control multiple plant diseases. These broadly applicable new strategies by transgene or spraying ds/sRNA may lead to reduced application of pesticides and improved crop yield.

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