DNA methylation dynamics in response to abiotic and pathogen stress in plants

被引：47

作者：

Arora, Heena ^{[1
]}

Singh, Roshan Kumar ^{[1
]}

Sharma, Shambhavi ^{[1
]}

Sharma, Namisha ^{[1
,2
]}

Panchal, Anurag ^{[1
]}

Das, Tuhin ^{[1
]}

Prasad, Ashish ^{[1
]}

Prasad, Manoj ^{[1
,3
]}

机构：

[1] Natl Inst Plant Genome Res, Aruna Asaf Ali Marg, New Delhi 110067, India

[2] Inst Life Sci, Bhubaneswar 751023, India

[3] Univ Hyderabad, Dept Plant Sci, Hyderabad 500046, Telangana, India

来源：

PLANT CELL REPORTS | 2022年 / 41卷 / 10期

关键词：

Epigenetics; DNA methylation; Abiotic stress; Biotic stress; Stress memory; Bisulphite sequencing; Methylation-sensitive amplified polymorphism; LEAF-CURL-VIRUS; MOSAIC-VIRUS; DIFFERENTIAL METHYLATION; EPIGENETIC INHERITANCE; PROTEIN INTERFERES; COAT PROTEIN; RESISTANCE; DEFENSE; GENE; DEMETHYLATION;

D O I：

10.1007/s00299-022-02901-x

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

DNA methylation is a dynamic epigenetic mechanism that plays a significant role in gene expression and also maintains chromatin stability. The process is conserved in both plants and animals, and crucial for development and stress responses. Differential DNA methylation during adverse environmental conditions or pathogen attack facilitates the selective expression of defense-related genes. Both stress-induced DNA hypomethylation and hypermethylation play beneficial roles in activating the defense response. These DNA marks may be carried to the next generation making the progenies 'primed' for abiotic and biotic stress responses. Over the recent years, rapid advancements in the area of high throughput sequencing have enabled the detection of methylation status at genome levels in several plant species. Epigenotyping offers an alternative tool to plant breeders in addition to conventional markers for the selection of the desired offspring. In this review, we briefly discuss the mechanism of DNA methylation, recent understanding of DNA methylation-mediated gene regulation during abiotic and biotic stress responses, and stress memory in plants.

引用

页码：1931 / 1944

页数：14

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