The Arabidopsis thaliana MEDEA Polycomb group protein controls expression of PHERES1 by parental imprinting

被引：212

作者：

Köhler, C

Page, DR

Gagliardini, V

Grossniklaus, U

机构：

[1] Univ Zurich, Inst Plant Biol, CH-8008 Zurich, Switzerland

[2] Univ Zurich, Zurich Basel Plant Sci Ctr, CH-8008 Zurich, Switzerland

来源：

NATURE GENETICS | 2005年 / 37卷 / 01期

关键词：

D O I：

10.1038/ng1495

中图分类号：

Q3 [遗传学];

学科分类号：

071007 ; 090102 ;

摘要：

The maternally expressed Arabidopsis thaliana Polycomb group protein MEDEA (MEA) controls expression of the MADS-box gene PHERES1 (PHE1). Here, we show that PHE1 is mainly paternally expressed but maternally repressed and that this maternal repression of PHE1 breaks down in seeds lacking maternal MEA activity. Because Polycomb group proteins control parental imprinting in mammals as well, the independent recruitment of similar protein machineries for the imprinting of genes is a notable example of convergent evolution.

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页码：28 / 30

页数：3

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