Systems model-guided rice yield improvements based on genes controlling source, sink, and flow

文献类型： 外文期刊

第一作者： Xiao, Langtao

作者： Xiao, Langtao;Xia, Shitou;Li, Pan;Chang, Shuoqi;Ouyang, Xiang;Deng, Qiyun;Chang, Tiangen;Qu, Mingnan;Song, Qingfeng;Zhu, Xin-Guang

作者机构：

期刊名称：JOURNAL OF INTEGRATIVE PLANT BIOLOGY （ 影响因子：7.061； 五年影响因子：6.002 ）

ISSN： 1672-9072

年卷期： 2018 年 60 卷 12 期

页码：

收录情况： SCI

摘要： A large number of genes related to source, sink, and flow have been identified after decades of research in plant genetics. Unfortunately, these genes have not been effectively utilized in modern crop breeding. This perspective paper aims to examine the reasons behind such a phenomenon and propose a strategy to resolve this situation. Specifically, we first systematically survey the currently cloned genes related to source, sink, and flow; then we discuss three factors hindering effective application of these identified genes, which include the lack of effective methods to identify limiting or critical steps in a signaling network, the misplacement of emphasis on properties, at the leaf, instead of the whole canopy level, and the non-linear complex interaction between source, sink, and flow. Finally, we propose the development of systems models of source, sink and flow, together with a detailed simulation of interactions between them and their surrounding environments, to guide effective use of the identified elements in modern rice breeding. These systems models will contribute directly to the definition of crop ideotype and also identification of critical features and parameters that limit the yield potential in current cultivars.

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