Workable male sterility systems for hybrid rice: Genetics, biochemistry, molecular biology, and utilization

文献类型： 外文期刊

第一作者： Huang, Jian-Zhong

作者： Huang, Jian-Zhong;Zhang, Hua-Li;Shu, Qing-Yao;E, Zhi-Guo

作者机构：

关键词： Cytoplasmic male sterility (CMS);Environment-conditioned genic male sterility (EGMS);Restorer of fertility (Rf);Chimeric mitochondrial gene;Cytotoxic protein;Pentatricopeptide repeat (PPR)

期刊名称：RICE （ 影响因子：4.783； 五年影响因子：5.23 ）

ISSN： 1939-8425

年卷期： 2014 年 7 卷

页码：

收录情况： SCI

摘要： The exploitation of male sterility systems has enabled the commercialization of heterosis in rice, with greatly increased yield and total production of this major staple food crop. Hybrid rice, which was adopted in the 1970s, now covers nearly 13.6 million hectares each year in China alone. Various types of cytoplasmic male sterility (CMS) and environment-conditioned genic male sterility (EGMS) systems have been applied in hybrid rice production. In this paper, recent advances in genetics, biochemistry, and molecular biology are reviewed with an emphasis on major male sterility systems in rice: five CMS systems, i.e., BT-, HL-, WA-, LD- and CW-CMS, and two EGMS systems, i.e., photoperiod-and temperature-sensitive genic male sterility (P/TGMS). The interaction of chimeric mitochondrial genes with nuclear genes causes CMS, which may be restored by restorer of fertility (Rf) genes. The PGMS, on the other hand, is conditioned by a non-coding RNA gene. A survey of the various CMS and EGMS lines used in hybrid rice production over the past three decades shows that the two-line system utilizing EGMS lines is playing a steadily larger role and TGMS lines predominate the current two-line system for hybrid rice production. The findings and experience gained during development and application of, and research on male sterility in rice not only advanced our understanding but also shed light on applications to other crops.

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