ZmFKBP20-1 improves the drought and salt tolerance of transformed Arabidopsis
文献类型: 外文期刊
第一作者: Yu, Yanli
作者: Yu, Yanli;Li, Yanjiao;Zhao, Meng;Li, Wencai;Sun, Qi;Li, Wenlan;Meng, Zhaodong;Jia, Fengjuan;Jia, Fengjuan;Li, Nana
作者机构:
关键词: ABA;Arabidopsis;Drought stress;FKBP;Maize
期刊名称:JOURNAL OF PLANT BIOLOGY ( 影响因子:2.434; 五年影响因子:2.455 )
ISSN: 1226-9239
年卷期: 2017 年 60 卷 6 期
页码:
收录情况: SCI
摘要: FK506-binding proteins (FKBPs), which belong to the peptidyl-prolyl cis/trans isomerase superfamily, are involved in plant response to abiotic stresses. A number of FKBP family genes have been isolated in plants, but little has been reported of FKBP genes in maize. In this study, a drought-induced FKBP gene, ZmFKBP20-1, was isolated from maize and was characterized for its role in stress responses using gene expression, protein subcellular localization, transformation in Arabidopsis, expression patterns of the stress-responsive genes, and physiological parameter analysis. During drought and salt stresses, ZmFKBP20-1 transgenic Arabidopsis plants exhibited enhanced tolerance, which was concomitant with the altered expression of stress/ABA-responsive genes, such as COR15a, COR47, ERD10, RD22, KIN1, ABI1, and ABI2. The resistance characteristics of ZmFKBP20-1 overexpression were associated with a significant increase in survival rate. These results suggested that ZmFKBP20-1 plays a positive role in drought and salt stress responses in Arabidopsis and provided new insights into the mechanisms of FKBP in response to abiotic stresses in plants.
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