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Crit Rev Biochem Mol Biol. 2017 Apr;52(2):163-175. doi: 10.1080/10409238.2017.1279119. Epub 2017 Jan 25.

DNA methylation and imprinting in plants: machinery and mechanisms.

Author information

1
a Whitehead Institute for Biomedical Research , Cambridge , MA , USA.
2
b Department of Biology , Massachusetts Institute of Technology , Cambridge , MA , USA.

Abstract

Imprinting is an epigenetic phenomenon in which genes are expressed selectively from either the maternal or paternal alleles. In plants, imprinted gene expression is found in a tissue called the endosperm. Imprinting is often set by a unique epigenomic configuration in which the maternal chromosomes are less DNA methylated than their paternal counterparts. In this review, we synthesize studies that paint a detailed molecular portrait of the distinctive endosperm methylome. We will also discuss the molecular machinery that shapes and modifies this methylome, and the role of DNA methylation in imprinting.

KEYWORDS:

DNA methylation; Gene imprinting; endosperm; plants; seeds

PMID:
28118754
DOI:
10.1080/10409238.2017.1279119
[Indexed for MEDLINE]

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