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

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外文摘要：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 51172 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.

作者：

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

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作者单位：

Engineering Research Center of Education,Ministry for Germplasm Innovation and Breeding New Varieties of Horticultural Crops,Key Laboratory for Vegetable Biology of Hunan Province,College of Horticulture,Hunan Agricultural University,Changsha 410128,China

Hunan Xiangyan Seed Industry Co.,Ltd,Changsha 410125,China

Higentec Co.Ltd.,Changsha,Hunan,410125,China

Institute of Vegetable Research,Hunan Academy of Agricultural Science,Changsha 410125,China

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出版年：

2024

DOI：

10.1093/hr/uhae223

园艺研究(英文)

CSTPCD

ISSN：

年,卷(期)：2024.11(10)