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Transformation with a gene for myo-inositol O-methyltransferase enhances the cold tolerance of Arabidopsis thaliana

文献类型： 外文期刊

作者： Zhu, B. 1 ; Peng, R. -H. 2 ; Xiong, A. -S. 2 ; Xu, J. 3 ; Fu, X. -Y. 2 ; Zhao, W. 2 ; Jin, X. -F. 2 ; Meng, X. -R. 4 ; Gao, 1 ;

作者机构： 1.Shanghai Jiao Tong Univ, Coll Agr & Biol, Shanghai 200240, Peoples R China

2.Shanghai Acad Agr Sci, Agrobiotechnol Res Ctr, Shanghai 201106, Peoples R China

3.Nanjing Agr Univ, Coll Hort, Nanjing 210095, Jiangsu, Peoples R China

4.Yangzhou Univ, Coll Biosci & Biotechnol, Yangzhou 225009, Peoples R China

关键词： electrolyte leakage;malondialdehyde;proline;soluble sugars

期刊名称：BIOLOGIA PLANTARUM （ 影响因子：1.747； 五年影响因子：2.146 ）

ISSN： 0006-3134

年卷期： 2012 年 56 卷 1 期

页码：

收录情况： SCI

摘要： In this study, we report a function of myo-inositol-O-methyltransferase (Imt1) in response to low temperature stress using transgenic Arabidopsis thaliana. Imt1 gene was constructed identical to the Imt1 gene from a halophyte Mesembryanthemum crystallinum. After cold stress, the Imt1 transgenic plants exhibited stronger growth than the wild type plants. The elevated cold tolerance of the Imt1 over-expressing plants was confirmed by the lower electrolyte leakage and accumulation of malondialdehyde, but higher proline and soluble sugar contents in transgenic than wild type plants.

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