Article
Positive darwinian selection at the imprinted MEDEA locus in plants.
Nature - 19 Jul 2007
Spillane Charles, Schmid Karl J, Laoueillé-Duprat Sylvia, Pien Stéphane, Escobar-Restrepo Juan-Miguel, Baroux Célia, Gagliardini Valeria, Page Damian R, Wolfe Kenneth H, Grossniklaus Ueli
Abstract excerpt
In mammals and seed plants, a subset of genes is regulated by genomic imprinting where an allele's activity depends on its parental origin. The parental conflict theory suggests that genomic imprinting evolved after the emergence of an embryo-nourishing tissue (placenta and endosperm), resulting...
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