Expression of Sucrose Transporters from Vitis vinifera Confer High Yield and Enhances Drought Resistance in Arabidopsis
文献类型： 外文期刊
作者： Cai, Yumeng 1 ; Yan, Jing 1 ; Tu, Wenrui 1 ; Deng, Zhefang 1 ; Dong, Wenjie 1 ; Gao, Han 1 ; Xu, Jinxu 1 ; Zhang, Nan 1 ; Yi 1 ;
作者机构： 1.China Agr Univ, Coll Food Sci & Nutr Engn, Beijing Adv Innovat Ctr Food Nutr & Human Hlth, Beijing 100083, Peoples R China
2.Tianjin Acad Agr Sci, Crops Res Inst, Tianjin Key Lab Crop Genet & Breeding, Tianjin 300384, Peoples R China
3.Guangxi Acad Agr Sci, Guangxi Crop Genet Improvement & Biotechnol Key L, Nanning 530007, Peoples R China
4.China Agr Univ, Coll Biol Sci, Beijing Adv Innovat Ctr Food Nutr & Human Hlth, Beijing 100193, Peoples R China
5.China Agr Univ, Coll Biol Sci, State Key Lab Agrobiotechnol, Beijing 100193, Peoples R China
关键词： Vitis vinifera; VvSUC; overexpression; Arabidopsis; srong phenotype; high production; drought resistance
期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）
ISSN：
年卷期： 2020 年 21 卷 7 期
页码：
收录情况： SCI
摘要： Sucrose is the predominant form of sugar transported from photosynthetic (source) to non-photosynthetic (sink) organs in higher plants relying on the transporting function of sucrose transporters (SUTs or SUCs). Many SUTs have been identified and characterized in both monocots and dicots. However, the function of sucrose transporters (SUTs or SUCs) from Vitis is not clear. As the world's most planted grape species, Vitis vinifera owns three sucrose transport activity verified SUTs. In this study, we constructed three kinds of VvSUC (Vitis vinifera SUC)-overexpressing transgenic Arabidopsis. VvSUC-overexpressing transgenic Arabidopsis was cultured on sucrose-supplemented medium. VvSUC11- and VvSUC12-overexpressing lines had similar thrived growth phenotypes, whereas the size and number of leaves and roots from VvSUC27-overexpressing lines were reduced compared with that of WT. When plants were cultured in soil, all SUT transgenic seedlings produced more number of leaves and siliques, resulting in higher yield (38.6% for VvSUC12-transformants) than that of WT. Besides, VvSUC27-transformants and VvSUC11-transformants enhanced drought resistance in Arabidopsis, providing a promising target for crop improvement
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