Heterologous expression of Arabidopsis C-repeat binding factor 3 (AtCBF3) and cold-regulated 15A (AtCOR15A) enhanced chilling tolerance in transgenic eggplant (Solanum melongena L.)
文献类型： 外文期刊
作者： Wan, Faxiang 1 ; Pan, Yu 1 ; Li, Jinghua 1 ; Chen, Xiangfu 1 ; Pan, Yanglu 1 ; Wang, Yongqing 2 ; Tian, Shibing 3 ; Zhang 1 ;
作者机构： 1.Southwest Univ, Coll Hort & Landscape Architecture, Chinese Minist Educ, Key Lab Hort Sci Southern Mountainous Reg, Chongqing 400715, Peoples R China
2.Chongqing Acad Agr Sci, Inst Vegetable & Flower Res, Chongqing 401329, Peoples R China
3.Chongqing Acad Agr Sci, Inst V
期刊名称：PLANT CELL REPORTS （ 影响因子：5.3； 五年影响因子：5.3 ）
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收录情况： SCI
摘要： Key message Our study shows that the expression of AtCBF3 and AtCOR15A improved the chilling tolerance in transgenic eggplant.In an attempt to improve chilling tolerance of eggplant (Solanum melongena L) plants, Arabidopsis C-repeat binding factor 3 (AtCBF3) and cold-regulated 15A (AtCOR15A) genes both driven by an Arabidopsis RESPONSIVE TO DESSICATION 29A promoter (AtRD29A) were transferred into the plants of eggplant cultivar Sanyueqie. Two independent homozygous transgenic lines were tested for their cold tolerance. The leaves of the transgenic plants in both lines withered much slower and slighter than the wild-type plants after exposure to cold stress treatment at 2 +/- A 1 A degrees C. The gene expression of AtCBF3 and AtCOR15A was significantly increased as well as the proline content and the levels of catalase and peroxidase activities, while the relative electrical conductivity and the malondialdehyde content were remarkably decreased in the transgenic plants compared with the wild type at 4 +/- A 0.5 A degrees C. The results showed that the expression of the exogenous AtCBF3 and AtCOR15A could promote the cold adaptation process to protect eggplant plants from chilling stress
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