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An ethylene response factor (ERF5) promoting adaptation to drought and salt tolerance in tomato

文献类型： 外文期刊

作者： Pan, Yu 1 ; Seymour, Graham B. 2 ; Lu, Chungui 3 ; Hu, Zongli 1 ; Chen, Xuqing 4 ; Chen, Guoping 1 ;

作者机构： 1.Chongqing Univ, Coll Bioengn, Chongqing 400044, Peoples R China

2.Univ Nottingham, Sch Biosci, Plant & Crop Sci Div, Loughborough LE12 5RD, Leics, England

3.Univ Nottingham, Sch Biosci, Multidisciplinary Ctr Integrat Biol, Loughborough LE12 5RD, Leics, England

4.Beijing Agrobiotechnol Res Ctr, Beijing 100097, Peoples R China

关键词： Drought stress;Ethylene response factor;SlERF5;Salt stress;Solanum lycopersicum

期刊名称：PLANT CELL REPORTS （ 影响因子：4.57； 五年影响因子：4.463 ）

ISSN： 0721-7714

年卷期： 2012 年 31 卷 2 期

页码：

收录情况： SCI

摘要： A novel member of the AP2/ERF transcription factor family, SlERF5, was identified from a tomato mature leaf cDNA library screen. The complete DNA sequence of SlERF5 encodes a putative 244-amino acid DNA-binding protein which most likely acts as a transcriptional regulator and is a member of the ethylene responsive factor (ERF) superfamily. Analysis of the deduced SlERF5 protein sequence showed that it contained an ERF domain and belonged to the class III group of ERFs proteins. Expression of SlERF5 was induced by abiotic stress, such as high salinity, drought, flooding, wounding and cold temperatures. Over-expression of SlERF5 in transgenic tomato plants resulted in high tolerance to drought and salt stress and increased levels of relative water content compared with wild-type plants. This study indicates that SlERF5 is mainly involved in the responses to abiotic stress in tomato.

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