Wild rice: unlocking the future of rice breeding

文献类型： 外文期刊

第一作者： Zheng, Xiaoming

作者： Zheng, Xiaoming;Qian, Qian;Zheng, Xiaoming;Qian, Qian;Zheng, Xiaoming;Peng, Youlin;Qiao, Jiyue;Qian, Qian;Henry, Robert

作者机构：

关键词： wild rice; germplasm resources; rice breeding; cultivated rice

期刊名称：PLANT BIOTECHNOLOGY JOURNAL （ 影响因子：10.1； 五年影响因子：11.6 ）

ISSN： 1467-7644

年卷期： 2024 年

页码：

收录情况： SCI

摘要： Germplasm resources serve as the foundations of advancements in breeding and are crucial for maintaining food security. Wild rice species of the genus Oryza include rich sources of genetic diversity and high adaptability, making them a substantial resource for rice breeding. The discovery of wild-type cytoplasmic male sterility resources enabled the achievement of the 'three lines' goal in hybrid rice, significantly increasing rice yields. The application of resistance alleles from wild rice enables rice production to withstand losses caused by stress. Reduced genetic diversity due to rice breeding poses a significant limitation to further advances and can be alleviated through a systematic use of wild genetic resources that integrate geographic, climatic and environmental data of the original habitat, along with extensive germplasm collection and identification using advanced methods. Leveraging technological advancements in plant genomics, the understanding of genetic mechanisms and the application of artificial intelligence and gene editing can further enhance the efficiency and accuracy of this process. These advancements facilitate rapid isolation and functional studies of genes, and precise genome manipulation. This review systematically summarizes the utilization of superior genes and germplasm resources derived from wild rice sources, while also exploring the collection, conservation, identification and utilization of further wild rice germplasm resources. A focus on genome sequencing and biotechnology developments is leading to new breeding and biotechnology opportunities. These new opportunities will not only promote the development of rice varieties that exhibit high yields, superior stress resistance and high quality but also expand the genetic diversity among rice cultivars.

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