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Nat Genet. 2006 Aug;38(8):876-8. Epub 2006 Jul 2.

Epigenetic asymmetry of imprinted genes in plant gametes.

Author information

1
Department of Plant Sciences, University of Oxford, South Parks Road, Oxford OX1 3RB, UK. jose.gutierrez@plants.ox.ac.uk

Abstract

Plant imprinted genes show parent-of-origin expression in seed endosperm, but little is known about the nature of parental imprints in gametes before fertilization. We show here that single differentially methylated regions (DMRs) correlate with allele-specific expression of two maternally expressed genes in the seed and that one DMR is differentially methylated between gametes. Thus, plants seem to have developed similar strategies as mammals to epigenetically mark imprinted genes.

PMID:
16823380
DOI:
10.1038/ng1828
[Indexed for MEDLINE]

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