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- Title
Epigenetics and plant evolution.
- Authors
Rapp, Ryan A; Wendel, Jonathan F
- Abstract
A fundamental precept of evolutionary biology is that natural selection acts on phenotypes determined by DNA sequence variation within natural populations. Recent advances in our understanding of gene regulation, however, have elucidated a spectrum of epigenetic molecular phenomena capable of altering the temporal, spatial, and abundance patterns of gene expression. These modifications may have morphological, physiological, and ecological consequences, and are heritable across generations, suggesting they are important in evolution. A corollary is that genetic variation per se is not always a prerequisite to evolutionary change. Here, we provide an introduction to epigenetic mechanisms in plants, and highlight some of the empirical studies illustrative of the possible connections between evolution and epigenetically mediated alterations in gene expression and morphology.
- Publication
The New phytologist, 2005, Vol 168, Issue 1, p81
- ISSN
0028-646X
- Publication type
Journal Article
- DOI
10.1111/j.1469-8137.2005.01491.x