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Research progress of photoperiod regulated genes on flowering time in rice

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  • Shanghai Agrobiological Gene Center, Shanghai 201106, China

Received date: 2015-11-26

  Revised date: 2016-03-17

  Online published: 2016-04-06

Supported by

Supported by the National Natural Science Foundation of China (No; 31200193), Shanghai Academy of Agricultural Sciences Youth Foundation (AYF No; 2013-27) and Shanghai Natural Science Foundation (No.12ZR1427800)

Abstract

Rice flowering regulation is an extremely complex process, which is controlled by genetic factors and external environment. Photoperiodic regulatory pathway is pivotal to control flowering in rice, in which florigen genes Hd3a and RTF1 are at the core and they are regulated by upstream Hd1-dependent, Ehd1-dependent, as well as both Hd1- and Ehd1-independent pathways. The three pathways bring a variety of light signal information together to Hd3a and RTF1 for further integration, and then transmit the signals in the form of florigen to the downstream flowering related genes. In this review, we summarize the research progress of photoperiod regulated genes on flowering time in rice, including the photoreceptors and circadian rhythm genes, the florigens, its upstream, downstream and interacting genes. We hope to provide a reference for in-depth study of rice flowering regulation.

Cite this article

Deyan Kong, Shoujun Chen, Liguo Zhou, Huan Gao, Lijun Luo, Zaochang Liu . Research progress of photoperiod regulated genes on flowering time in rice[J]. Hereditas(Beijing), 2016 , 38(6) : 532 -542 . DOI: 10.16288/j.yczz.15-478

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