Overexpression of receptor-like kinase ERECTA improves thermotolerance in rice and tomato
文献类型: 外文期刊
第一作者: Shen, Hui
作者: Shen, Hui;Zhong, Xiangbin;Zhao, Fangfang;Wang, Yanmei;Yan, Bingxiao;Li, Qun;Chen, Genyun;He, Yuke;Xiao, Han;He, Zuhua;Shen, Hui;Zhong, Xiangbin;Zhao, Fangfang;Wang, Yanmei;Yan, Bingxiao;Li, Qun;Chen, Genyun;He, Yuke;Xiao, Han;He, Zuhua;Shen, Hui;Mao, Bizeng;Wang, Jianjun;Li, Yangsheng;Xiao, Guoying;Li, Jianming;He, Zuhua
作者机构:
期刊名称:NATURE BIOTECHNOLOGY ( 影响因子:54.908; 五年影响因子:50.516 )
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年卷期:
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收录情况: SCI
摘要: The detrimental effects of global warming on crop productivity threaten to reduce the world's food supply(1-3). Although plant responses to changes in temperature have been studied(4), genetic modification of crops to improve thermotolerance has had little success to date. Here we demonstrate that overexpression of the Arabidopsis thaliana receptor-like kinase ERECTA (ER) in Arabidopsis, rice and tomato confers thermotolerance independent of water loss and that Arabidopsis er mutants are hypersensitive to heat. A loss-of-function mutation of a rice ER homolog and reduced expression of a tomato ER allele decreased thermotolerance of both species. Transgenic tomato and rice lines overexpressing Arabidopsis ER showed improved heat tolerance in the greenhouse and in field tests at multiple locations in China during several seasons. Moreover, ER-overexpressing transgenic Arabidopsis, tomato and rice plants had increased biomass. Our findings could contribute to engineering or breeding thermotolerant crops with no growth penalty.
分类号: Q1
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