The epigenetic machinery controlling transgenerational systemic acquired resistance

被引：108

作者：

Luna, Estrella ^{[1
,2
]}

Ton, Jurriaan ^{[1
]}

机构：

[1] Univ Sheffield, Dept Anim & Plant Sci, Sheffield, S Yorkshire, England

[2] Univ Lancaster, Lancaster Environm Ctr, Lancaster, England

来源：

PLANT SIGNALING & BEHAVIOR | 2012年 / 7卷 / 06期

基金：

英国生物技术与生命科学研究理事会;

关键词：

transgenerational systemic acquired resistance; RNA-directed DNA methylation; chromatin remodeling; DNA methylation; priming of defense;

D O I：

10.4161/psb.20155

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Progeny from diseased Arabidopsis shows enhanced resistance, which is associated with priming of defense genes.(1) This transgenerational systemic acquired resistance (SAR) is effective against biotrophic pathogens, such as the downy mildew pathogen Hyaloperonospora arabidopsidis. In this study, we have examined mutants in RNA-directed DNA methylation (RdDM) for transgenerational SAR. Our analysis suggests that transgenerational SAR is regulated by the RdDM pathway and transmitted by hypomethylation at CpNpG sites.

引用

页码：615 / 618

页数：4

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