Current advance on molecular genetic regulation of rice fertility
Received date: 2019-06-05
Revised date: 2019-06-18
Online published: 2019-07-24
Supported by
Supported by the National Natural Science Foundation of China(31701499);The Key Research Program of Guangzhou Science Technology and Innovation Commission(201707020016);The China Postdoctoral Science Foundation(2018M630955);The State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources(SKLCUSA-b201717)
Hybrid rice has contributed greatly to global food security. Cytoplasmic male sterility (CMS) and photo/ thermo sensitive genic male sterility (P/TGMS) are genetic bases for three-line and two-line hybrid rice production, respectively. In contrast, (sub-) specific hybrid sterility (HS) is a major barrier for utilization of hybrid vigor of distant hybrid rice. Therefore, understanding the molecular regulatory mechanism of rice fertility is a key technical issue for hybrid rice industry, and a long-standing basic scientific issue for nuclear-cytoplasmic interaction and reproductive isolation. Chinese geneticists of plant sciences have made tremendous contributions on the molecular genetic basis of rice fertility related to hybrid rice production. Here, we review the development of hybrid rice production systems in China and summarize current advance on genetic basis and molecular mechanism of CMS, P/TGMS, and HS involved in hybrid rice. We also discuss problems of hybrid rice production in China and point out new direction for future utilization of heterosis in rice.
Yongyao Xie,Jintao Tang,Bowen Yang,Jun Hu,Yao-Guang Liu,Letian Chen . Current advance on molecular genetic regulation of rice fertility[J]. Hereditas(Beijing), 2019 , 41(8) : 703 -715 . DOI: 10.16288/j.yczz.19-162
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