Isolation and characterization of a gene encoding an ethylene responsive factor protein from Ceratoides arborescens
文献类型: 外文期刊
第一作者: Dong, Jie
作者: Dong, Jie;Wang, Xuemin;Wang, Zan;Gao, Hongwen;Wang, Kang
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关键词: Ethylene responsive factor (ERF);Ceratoides arborescens;Subcellular localization;Drought stress
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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收录情况: SCI
摘要: Ethylene responsive factor (ERF) proteins play important roles in plant growth and development and regulate biotic and abiotic stress responses. In this study, a full length mRNA encoding a novel ERF-type transcription factor namely Ceratoides arborescens ERF protein (CeERF) was isolated from C. arborescens. The deduced amino acid of CeERF had a conserved APETALA2/ERF (AP2/ERF) domain which specifically binds to cis-acting elements GCC box. Under normal conditions, the expression level of CeERF was highest in leaves and lowest in roots. CeERF expression was induced by 20% PEG in a time-dependent pattern and peaked at 8 h. CeERF also acts in salt-and hormones-induced stresses. Transient expression analysis in onion epidermal cells indicated that CeERF protein localized to nucleus. Overexpression of CeERF in transgenic tobacco plants resulted in higher tolerance to abiotic stresses than in control plants. These results suggested that CeERF might play a role in abiotic stress signal transduction and that overexpression of CeERF might serve as a feasible approach to enhance resistance in forage, even crop.
分类号: Q7
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