Genetic and molecular mechanisms of reproductive isolation in the utilization of heterosis for breeding hybrid rice

文献类型： 外文期刊

第一作者： Wang, Chaolong

作者： Wang, Chaolong;Yu, Xiaowen;Zhao, Zhigang;Wan, Jianmin;Wang, Chaolong;Wang, Jian;Wan, Jianmin

作者机构：

关键词： Hybrid vigor; Reproductive isolation; Hybrid rice breeding

期刊名称：JOURNAL OF GENETICS AND GENOMICS （ 影响因子：6.6； 五年影响因子：5.8 ）

ISSN： 1673-8527

年卷期： 2024 年 51 卷 6 期

页码：

收录情况： SCI

摘要： Heterosis, also known as hybrid vigor, is commonly observed in rice crosses. The hybridization of rice species or subspecies exhibits robust hybrid vigor, however, the direct harnessing of this vigor is hindered by reproductive isolation. Here, we review recent advances in the understanding of the molecular mechanisms governing reproductive isolation in inter-subspecific and inter-specific hybrids. This review encompasses the genetic model of reproductive isolation within and among Oryza sativa species, emphasizing the essential role of mitochondria in this process. Additionally, we delve into the molecular intricacies governing the interaction between mitochondria and autophagosomes, elucidating their significant contribution to reproductive isolation. Furthermore, our exploration extends to comprehending the evolutionary dynamics of reproductive isolation and speciation in rice. Building on these advances, we offer a forward-looking perspective on how to overcome the challenges of reproductive isolation and facilitate the utilization of heterosis in future hybrid rice breeding endeavors. Copyright (c) 2024, The Authors. Institute of Genetics and Developmental Biology, Chinese Academy of Sciences, and Genetics Society of China. Published by Elsevier Limited and Science Press. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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