Poaceae-specific ITMS1IT encodes a phospholipid-binding protein for male fertility in bread wheat

Wang Zheng; Li Jian; Chen ShaoxiaHeng YanfangChen ZhuoYang JingZhou KuanjiPei JiaweiHe HangDeng Xing WangMa Ligeng

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Poaceae-specific ITMS1IT encodes a phospholipid-binding protein for male fertility in bread wheat

机译：Poaceae-specific ITMS1IT encodes a phospholipid-binding protein for male fertility in bread wheat

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Male sterility is an essential trait in hybrid seed production for monoclinous crops, including rice and wheat. However, compared with the high percentage of hybrid rice planted in the world, little commercial hybrid wheat is planted globally as a result of the lack of a suitable system for male sterility. Therefore, understanding the molecular nature of male fertility in wheat is critical for commercially viable hybrid wheat. Here, we report the cloning and characterization of Male Sterility 1 (Ms1) in bread wheat by using a combination of advanced genomic approaches. MS1 is a newly evolved gene in the Poaceae that is specifically expressed in microsporocytes, and is essential for microgametogenesis. Orthologs of Ms1 are expressed in diploid and allotetraploid ancestral species. Orthologs of Ms1 are epigenetically silenced in the A and D subgenomes of allohexaploid wheat; only Ms1 from the B subgenome is expressed. The encoded protein, Ms1, is localized to plastid and mitochondrial membranes, where it exhibits phospholipid-binding activity. These findings provide a foundation for the development of commercially viable hybrid wheat.

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《Proceedings of the National Academy of Sciences of the United States of America.》 |2017年第47期|12614-12619|共6页
作者
Wang Zheng; Li Jian; Chen ShaoxiaHeng YanfangChen ZhuoYang JingZhou KuanjiPei JiaweiHe HangDeng Xing WangMa Ligeng;
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作者单位

Frontier Lab Syst Crop Design, Beijing 102206, Peoples R China;

Capital Normal Univ, Coll Life Sci, Beijing 100048, Peoples R China;

Peking Univ, Sch Adv Agr Sci, Peking Tsinghua Ctr Life Sci, State Key Lab Prot & Plant Gene Res, Beijing 100871, Peoples R China;

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收录信息美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类自然科学总论;
关键词
Male Sterility 1; epigenetic silence; phospholipid binding; wheat; hybrid seed production;

Poaceae-specific ITMS1IT encodes a phospholipid-binding protein for male fertility in bread wheat

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