Ncl Synchronously Regulates Na+, K+, and Cl- in Soybean and Greatly Increases the Grain Yield in Saline Field Conditions
文献类型： 外文期刊
作者： Tuyen Duc Do 1 ; Chen, Huatao 1 ; Hien Thi Thu Vu 1 ; Hamwieh, Aladdin 1 ; Yamada, Tetsuya 6 ; Sato, Tadashi 7 ; Yan, 1 ;
作者机构： 1.JIRCAS, Tsukuba, Ibaraki 3058686, Japan
2.Cuulong Delta Rice Res Inst CLRRI, Thoilai, Cantho, Vietnam
3.Jiangsu Acad Agr Sci, Inst Vegetable Crops, Nanjing, Jiangsu, Peoples R China
4.Agr Genet Inst, Genet Engn Div, Hanoi, Vietnam
5.ICARDA, Cairo, Egypt
6.Hokkaido Univ, Grad Sch Agr, Sapporo, Hokkaido, Japan
7.Tohoku Univ, Grad Sch Life Sci, Sendai, Miyagi 980, Japan
8.Xinjiang Acad Agr Sci, Crop Germplasm Resources, Urumqi, Xinjiang, Peoples R China
期刊名称：SCIENTIFIC REPORTS （ 影响因子：4.379； 五年影响因子：5.133 ）
ISSN： 2045-2322
年卷期： 2016 年 6 卷
页码：
收录情况： SCI
摘要： Salt stress inhibits soybean growth and reduces gain yield. Genetic improvement of salt tolerance is essential for sustainable soybean production in saline areas. In this study, we isolated a gene (Ncl) that could synchronously regulate the transport and accumulation of Na+, K+, and Cl-from a Brazilian soybean cultivar FT-Abyara using map-based cloning strategy. Higher expression of the salt tolerance gene Ncl in the root resulted in lower accumulations of Na+, K+, and Cl-in the shoot under salt stress. Transfer of Ncl with the Agrobacterium-mediated transformation method into a soybean cultivar Kariyutaka significantly enhanced its salt tolerance. Introgression of the tolerance allele into soybean cultivar Jackson, using DNA marker-assisted selection (MAS), produced an improved salt tolerance line. Ncl could increase soybean grain yield by 3.6-5.5 times in saline field conditions. Using Ncl in soybean breeding through gene transfer or MAS would contribute to sustainable soybean production in salineprone areas.
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