Isolation and characterization of a novel EAR-motif-containing gene GmERF4 from soybean (Glycine max L.)
文献类型: 外文期刊
第一作者: Zhang, Gaiyun
作者: Zhang, Gaiyun;Chen, Xueping;Guo, Jiaming;Chen, Ming;Xu, Zhaoshi;Li, Liancheng;Ma, Youzhi
作者机构:
关键词: stress response;drought stress;salt tolerance
期刊名称:MOLECULAR BIOLOGY REPORTS ( 影响因子:2.316; 五年影响因子:2.357 )
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年卷期:
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收录情况: SCI
摘要: Transcriptional repressors are emerging as central regulators of development and stress responses in different organisms. The ERF-associated amphiphilic repression (EAR) motif was identified as essential for transcriptional repression. To gain a better understanding of this type of protein, we reported here a novel GmERF4 protein from soybean. Sequence alignment showed that GmERF4 contains one AP2/ERF domain, two putative nuclear localization signal regions and one EAR motif. The GmERF4 protein was preferentially localized to the nucleus of onion epidermis cells and bound specifically to the GCC box and DRE/CRT element in vitro. Furthermore, the expression of GmERF4 was induced by ethylene, JA, SA, cold, salt, drought, and soybean mosaic virus, and repressed by ABA. Constitutive expression of GmERF4 in transgenic tobacco plants increased tolerance to salt and drought stresses compared with wild-type plants, but did not exhibit detectable resistance against bacterial infection.
分类号: Q7
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