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Reprogramming and remodeling: transcriptional and epigenetic regulation of salicylic acid-mediated plant defense

文献类型： 外文期刊

作者： Chen, Jian 1 ; Clinton, Michael 2 ; Qi, Guang 2 ; Wang, Daowen 3 ; Liu, Fengquan 1 ; Fu, Zheng Qing 2 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Plant Protect, Jiangsu Key Lab Food Qual & Safety, State Key Lab Cultivat Base,Minist Sci & Technol, Nanjing 210014, Peoples R China

2.Univ South Carolina, Dept Biol Sci, Columbia, SC 29208 USA

3.Henan Agr Univ, State Key Lab Wheat & Maize Crop Sci, Zhengzhou 450002, Peoples R China

4.Henan Agr Univ, Coll Agron, Zhengzhou 450002, Peoples R China

关键词： Arabidopsis; epigenetic regulators; plant immunity; Pseudomonas syringae; salicylic acid; transcription factors

期刊名称：JOURNAL OF EXPERIMENTAL BOTANY （ 影响因子：6.992； 五年影响因子：7.86 ）

ISSN： 0022-0957

年卷期： 2020 年 71 卷 17 期

页码：

收录情况： SCI

摘要： As a plant hormone, salicylic acid (SA) plays essential roles in plant defense against biotrophic and hemibiotrophic pathogens. Significant progress has been made in understanding the SA biosynthesis pathways and SA-mediated defense signaling networks in the past two decades. Plant defense responses involve rapid and massive transcriptional reprogramming upon the recognition of pathogens. Plant transcription factors and their co-regulators are critical players in establishing a transcription regulatory network and boosting plant immunity. A multitude of transcription factors and epigenetic regulators have been discovered, and their roles in SA-mediated defense responses have been reported. However, our understanding of plant transcriptional networks is still limited. As such, novel genomic tools and bioinformatic techniques will be necessary if we are to fully understand the mechanisms behind plant immunity. Here, we discuss current knowledge, provide an update on the SA biosynthesis pathway, and describe the transcriptional and epigenetic regulation of SA-mediated plant immune responses.

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