3 years ago

Wheat Ms2 encodes for an orphan protein that confers male sterility in grass species

Wheat Ms2 encodes for an orphan protein that confers male sterility in grass species
Fengjuan Chen, Ming-Cheng Luo, Shuyun Wang, Daolin Fu, Qunqun Hao, Lanzhen Sun, Bo Lyu, Yan Wang, Fei Ni, Juan Qi, Xiangyu Zhao, Lynn Epstein, Honggang Wang, Xiansheng Zhang, Chaozhong Zhang, Cuixia Chen
Male sterility is a valuable trait for plant breeding and hybrid seed production. The dominant male-sterile gene Ms2 in common wheat has facilitated the release of hundreds of breeding lines and cultivars in China. Here, we describe the map-based cloning of the Ms2 gene and show that Ms2 confers male sterility in wheat, barley and Brachypodium. MS2 appears as an orphan gene within the Triticinae and expression of Ms2 in anthers is associated with insertion of a retroelement into the promoter. The cloning of Ms2 has substantial potential to assemble practical pipelines for recurrent selection and hybrid seed production in wheat.

Publisher URL: http://www.nature.com/articles/ncomms15121

DOI: 10.1038/ncomms15121

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