Expression of sorghum gene <Emphasis Type="Italic">SbSGL</Emphasis> enhances grain length and weight in rice |
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| Authors: | " target="_blank">Bin Zhang Xin Zhang Guoyun Xu Mingjuan Li Yanchun Cui Xuming Yin Yan Yu Xinjie Xia Manling Wang |
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| Institution: | 1.Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences,Changsha,China;2.College of Agriculture and Biotechnology,Hunan University of Humanities, Science and Technology,Loudi,China;3.College of Life and Environmental Sciences,Hangzhou Normal University,Hangzhou,China;4.Zhengzhou Tobacco Research Institute of China National Tobacco Corporation,Zhengzhou,China;5.Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha,People’s Republic of China |
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| Abstract: | Grain weight is a major determining factor of rice (Oryza sativa L.) yield and the comprehensive embodiment of grain length, width, and thickness. Here, we describe the molecular and functional characterization of SbSGL (Sorghum bicolor L. stress tolerance and grain length), a sorghum gene that encodes a putative member of the DUF1645 protein family of unknown function. Expression of SbSGL in rice promoted cell division and grain filling, which affected an array of traits of rice, including grain length, grain weight, and seed setting rate. Expression of SbSGL also affected the expression of genes related to the plant cell cycle and grain size. |
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