Epigenetic Regulation in Plant Responses to the Environment | Zendy

David C. Baulcombe | Zendy; Caroline Dean | Zendy

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Epigenetic Regulation in Plant Responses to the Environment

Author(s) -

David C. Baulcombe,

Caroline Dean

Publication year - 2014

Publication title -

cold spring harbor perspectives in biology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 6.011

H-Index - 173

ISSN - 1943-0264

DOI - 10.1101/cshperspect.a019471

Subject(s) - epigenetics , biology , adaptation (eye) , genetics , inheritance (genetic algorithm) , vernalization , phenotype , heredity , epigenesis , natural selection , evolutionary biology , dna methylation , selection (genetic algorithm) , gene , neuroscience , gene expression , artificial intelligence , computer science

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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