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Curr Opin Plant Biol. 2012 Feb;15(1):63-9. doi: 10.1016/j.pbi.2011.10.001. Epub 2011 Oct 27.

Epigenetic reprogramming during plant reproduction and seed development.

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  • 1Temasek Life Sciences Laboratory, 1 Research Link, National University of Singapore, Singapore 117604, Singapore. Heike@tll.org.sg

Abstract

Epigenetic processes such as DNA methylation are crucial for the development of flowering plants, and for protection of genome integrity via silencing of transposable elements (TEs). Recent advances in genome-wide profiling suggest that during reproduction DNA methylation patterns are at least partially transmitted or even enhanced in the next generation to ensure stable silencing of TEs. At the same time, parent-of-origin specific removal of DNA methylation in the accompanying tissue allows imprinted expression of genes. Here we summarize the dynamics of DNA methylation as a major epigenetic regulatory pathway during reproduction and seed development.

Copyright © 2011 Elsevier Ltd. All rights reserved.

PMID:
22035873
[PubMed - indexed for MEDLINE]
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