Drought-Tolerant Rice at Molecular Breeding Eras: An Emerging Reality

文献类型： 外文期刊

第一作者： Zhu, Chengqi

作者： Zhu, Chengqi;Ye, Yuxuan;Qiu, Tian;Shen, Zhicheng;Huang, Yafan;Ying, Jifeng

作者机构：

关键词： conventional breeding; drought stress; drought tolerant rice; genetic engineering; marker-assisted selection breeding

期刊名称：RICE SCIENCE （ 影响因子：4.8； 五年影响因子：5.5 ）

ISSN： 1672-6308

年卷期： 2024 年 31 卷 2 期

页码：

收录情况： SCI

摘要： Rice ( Oryza sativa L.) stands as the most significantly influential food crop in the developing world, with its total production and yield stability affected by environmental stress. Drought stress impacts about 45% of the world's rice area, affecting plants at molecular, biochemical, physiological, and phenotypic levels. The conventional breeding method, predominantly employing single pedigree selection, has been widely utilized in breeding numerous drought -tolerant rice varieties since the Green Revolution. With rapid progress in plant molecular biology, hundreds of drought -tolerant QTLs/genes have been identified and tested in rice crops under both indoor and field conditions. Several genes have been introgressed into elite germplasm to develop commercially accepted drought -tolerant varieties, resulting in the development of several drought -tolerant rice varieties through marker -assisted selection and genetically engineered approaches. This review provides up-to-date information on proof -of -concept genes and breeding methods in the molecular breeding era, offering guidance for rice breeders to develop drought -tolerant rice varieties.

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