Haplotype analysis and marker development of five salt-tolerant-related genes in rice (Oryza sativa L.)
文献类型： 外文期刊
作者： Li, Pingbo 1 ; Li, Zhen 1 ; Liu, Xu 1 ; Zhang, Hua 1 ; Zhang, Shuyong 2 ; Liu, Fang 1 ; Li, Nana 3 ; Yang, Yongyi 3 ; Xie, Kun 3 ; Ding, Hanfeng 3 ; Yao, Fangyin 1 ;
作者机构： 1.Shandong Acad Agr Sci, Inst Wetland Agr & Ecol, Jinan, Peoples R China
2.Agr & Rural Affairs Bur Yutai Cty, Jining, Peoples R China
3.Shandong Acad Agr Sci, Inst Crop Germplasm Resources, Jinan, Peoples R China
关键词： rice; salt tolerance; haplotype analysis; intragenic marker; germplasm accessions
期刊名称：FRONTIERS IN PLANT SCIENCE （ 影响因子：5.6； 五年影响因子：6.8 ）
ISSN： 1664-462X
年卷期： 2023 年 14 卷
页码：
收录情况： SCI
摘要： Salinity stress is a great threat to the growth and productivity of crops, and development of salt-tolerant crops is of great necessity to ensure food security. Although a few genes with natural variations that confer salt tolerance at germination and seedling stage in rice have been cloned, effective intragenic markers for these genes are awaited to be developed, which hinder the use of these genes in genetic improvement of salt tolerance in rice. In this study, we first performed haplotype analysis of five rice salt-tolerant-related genes using 38 rice accessions with reference genome and 4,726 rice germplasm accessions with imputed genotypes and classified main haplotype groups and haplotypes. Subsequently, we identified unique variations for elite haplotypes reported in previous studies and developed 11 effective intragenic makers. Finally, we conducted genotyping of 533 of the 4,726 rice accessions from worldwide and 70 approved temperate geng/japonica cultivars in China using the developed markers. These results could provide effective donors and markers of salt-tolerant-related genes and thus could be of great use in genetic improvement of salt tolerance in rice.
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