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Transcription factor OsAP21 gene increases salt/drought tolerance in transgenic Arabidopsis thaliana

文献类型： 外文期刊

作者： Jin, Xiaofeng 1 ; Xue, Yong 1 ; Wang, Ren 2 ; Xu, RanRan 1 ; Bian, Lin 1 ; Zhu, Bo 1 ; Han, Hongjuan 1 ; Peng, Rihe 1 ; Yao, 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Biotech Res Inst, Shanghai Key Lab Agr Genet Breeding, Shanghai 201106, Peoples R China

2.Chinese Acad Sci, Nanjing 210014, Peoples R China

关键词： Arabidopsis;AP2/ERF;Transcription factor;Drought;Salt;Transgenic plants

期刊名称：MOLECULAR BIOLOGY REPORTS （ 影响因子：2.316； 五年影响因子：2.357 ）

ISSN：

年卷期：

页码：

收录情况： SCI

摘要： Transcription factors play vital roles in stress signal transduction and gene expression modulation during plant growth and development. Sequence analysis showed that OsAP21 contained an AP2/ERF domain of 57 amino acids. By comparison of deduced aminoacid sequences of AP2/ERF-related proteins, we deduced that OsAP21 is a transcription factor gene, which belonging to rice AP2/ERF family CBF/DREB subfamily. Further, we report that transgenic Arabidopsis thaliana plants expressing the OsAP21 gene exhibited stronger growth than wild type plants under salt/drought stress. Analysis of RT-PCR for RD29B gene implied that OsAP21 over-expressed plants had a higher expression level of RD29B gene than wild type plants, and drought and salt treatments could enlarge these differences. Collectively, our results indicate that OsAP21 may play an important role in the response of transgenic Arabidopsis plants to salt/drought stresses.

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