Abstract
Hybrid sterility presents a major bottleneck in hybrid crop breeding and causes postzygotic reproductive isolation in speciation. Here, we summarize the current understanding of the genetics of rice hybrid sterility and highlight new advances in deciphering the molecular basis of the major genetic loci for hybrid sterility in rice. We also discuss practical strategies for overcoming reproductive barriers to utilize hybrid vigor in inter-specific and inter-subspecific hybrid rice breeding.
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Acknowledgements
This work was supported by grants from the Key Research Program of Guangzhou Science Technology and Innovation Commission (201707020016), the National Natural Science Foundation of China (31471564, 31701499) and the China Postdoctoral Science Foundation (2018M630955).
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Xie, Y., Shen, R., Chen, L. et al. Molecular mechanisms of hybrid sterility in rice. Sci. China Life Sci. 62, 737–743 (2019). https://doi.org/10.1007/s11427-019-9531-7
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DOI: https://doi.org/10.1007/s11427-019-9531-7