植物印迹基因研究进展

doi:10.3724/SP.J.1005.2010.01232

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HEREDITAS ›› 2010, Vol. 32 ›› Issue (12): 1232-1240.doi: 10.3724/SP.J.1005.2010.01232

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Imprinted genes in plants

ZHANG Li-Geng, YANG Ruo-Fei, FU Feng-Ling, LI Wan-Chen

Maize Research Institute, Sichuan Agricultural University, Ya’an 625014, China

Received:2010-03-29 Revised:2010-05-28 Online:2010-12-20 Published:2010-12-20
Contact: LI Wan-Chen E-mail:aumdyms@sicau.edu.cn

Abstract

Abstract: The expression of imprinted genes is regulated by epigenetic mechanism. In plant endosperm, the allele of imprinted genes is expressed in a pattern of parent-of-origin-dependent. The expression of imprinted genes plays essential roles in the development of embryos and their annexe structures, as well as seed size, reproductive barriers and apomixis. Along with the progress of plant epigenetic research, the exploration of imprinted genes is becoming hotspot in epigenetic research. This review focused on the parental conflict theory about the origin of imprinted genes, and the latest research advances in expression regulation mechanism of plant imprinted genes, using the examples of the important imprinted genes MEA, FIS2, FWA, MPC, and PHE1 in Arabidopsis, and FIE1 and FIE2 in maize.

Key words: imprinted genes, parent-of-origin effects, endosperm, parental conflict theory

ZHANG Li-Geng, YANG Re-Fei, FU Feng-Ling, LI Wan-Chen. Imprinted genes in plants[J]. HEREDITAS, 2010, 32(12): 1232-1240.

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Imprinted genes in plants

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