Epigenetic Regulation in Plant Responses to the Environment

被引：176
作者：
Baulcombe, David C. [1 ]
Dean, Caroline [2 ]
机构：
[1] Univ Cambridge, Dept Plant Sci, Cambridge CB2 3EA, England
[2] John Innes Ctr, Dept Cell & Dev Biol, Norwich NR4 7UH, Norfolk, England
来源：
COLD SPRING HARBOR PERSPECTIVES IN BIOLOGY | 2014年 / 6卷 / 09期
基金：
英国生物技术与生命科学研究理事会;
关键词：
FLOWERING-LOCUS-C; DIRECTED DNA METHYLATION; MADS BOX GENE; ARABIDOPSIS-THALIANA; NATURAL VARIATION; HISTONE H3; SMALL RNAS; ANTISENSE TRANSCRIPTS; VERNALIZATION; PROTEIN;
D O I：
10.1101/cshperspect.a019471
中图分类号：
Q2 [细胞生物学];
学科分类号：
071009 ; 090102 ;
摘要：
In this article, we review environmentally mediated epigenetic regulation in plants using two case histories. One of these, vernalization, mediates adaptation of plants to different environments and it exemplifies processes that are reset in each generation. The other, virus-induced silencing, involves transgenerationally inherited epigenetic modifications. Heritable epigenetic marks may result in heritable phenotypic variation, influencing fitness, and so be subject to natural selection. However, unlike genetic inheritance, the epigenetic modifications show instability and are influenced by the environment. These two case histories are then compared with other phenomena in plant biology that are likely to represent epigenetic regulation in response to the environment.
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页数：19
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