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Fertility restorer gene CaRf and PepperSNP50K provide a promising breeding system for hybrid pepper

文献类型： 外文期刊

作者： Tang, Bingqian 1 ; Yang, Huiping 1 ; Yin, Qinbiao 1 ; Miao, Wu 2 ; Lei, Yuting 3 ; Cui, Qingzhi 1 ; Cheng, Jiawen 3 ; Zhang, Xinhao 1 ; Chen, Ying 1 ; Du, Juan 1 ; Xie, Lingling 4 ; Tang, Shunxue 3 ; Wang, Meiqi 1 ; Li, Jiayue 1 ; Cao, Mingyue 3 ; Chen, Li 4 ; Xie, Fangling 1 ; Li, Xiumin 1 ; Zhu, Fan 1 ; Wang, Zhongyi 1 ; Xiong, Cheng 1 ; Dai, Xiongze 1 ; Zou, Xuexiao 1 ; Liu, Feng 1 ;

作者机构： 1.Hunan Agr Univ, Engn Res Ctr Educ, Key Lab Vegetable Biol Hunan Prov, Coll Hort,Minist Germplasm Innovat & Breeding New, Changsha 410128, Peoples R China

2.Hunan Xiangyan Seed Ind Co Ltd, Changsha 410125, Peoples R China

3.Higentec Co Ltd, Changsha 410125, Hunan, Peoples R China

4.Hunan Acad Agr Sci, Inst Vegetable Res, Changsha 410125, Peoples R China

期刊名称：HORTICULTURE RESEARCH （ 影响因子：8.5； 五年影响因子：9.1 ）

ISSN： 2662-6810

年卷期： 2024 年 11 卷 10 期

页码：

收录情况： SCI

摘要： Cytoplasmic male sterility (CMS) is pivotal in plant breeding and widely employed in various crop hybrids, including pepper. However, the functional validation of the restorer of fertility (Rf) gene in pepper has been lacking until now. This study identifies and characterizes CaRf, a single dominant locus crucial for restoring CMS in the pepper strong recovery inbred line Zhangshugang. The CaRf gene encodes a mitochondria-targeted pentatricopeptide repeat protein, validated through the induction of male sterility upon its silencing in hybrid F1 plants. To enhance pepper breeding efficiency, 176 important pepper breeding parent materials were resequenced, and a PepperSNP50K liquid-phase breeding chip was developed, comprising 51 172 markers. Integration of CaRf functional characterization and PepperSNP50K facilitated the development of a high-quality red pepper hybrid. These findings provide significant insights and practical strategies for advancing molecular-designed breeding in peppers.

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