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KvLEA, a New Isolated Late Embryogenesis Abundant Protein Gene from Kosteletzkya virginica Responding to Multiabiotic Stresses

文献类型： 外文期刊

作者： Tang, Xiaoli 1 ; Wang, Hongyan 1 ; Chu, Liye 4 ; Shao, Hongbo 1 ;

作者机构： 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res YIC, Key Lab Coastal Biol & Bioresources Utilizat, Yantai 264003, Peoples R China

2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

3.China Agr Univ, Yantai Acad, Yantai 264670, Peoples R China

4.Jiangsu Acad Agr Sci, Cent Lab, Nanjing 210014, Jiangsu, Peoples R China

5.Jiangsu Acad Agr Sci, Inst Agrobiotechnol, Jiangsu Key Lab Bioresources Saline Soils, Prov Key Lab Agrobiol, Nanjing 210014, Jiangsu, Peoples R China

期刊名称：BIOMED RESEARCH INTERNATIONAL （ 影响因子：3.411； 五年影响因子：3.62 ）

ISSN： 2314-6133

年卷期： 2016 年

页码：

收录情况： SCI

摘要： The LEA proteins are a kind of hydrophilic proteins, playing main functions in desiccation tolerance. However, their importance as a kind of stress proteins in abiotic stress is being clarified little by little. In this study we isolated, cloned, and identified the first KvLEA gene in Kosteletzkya virginica. Bioinformatic analysis showed that the protein encoded by this gene had common properties of LEA proteins and the multiple sequences alignment and phylogenetic analysis further showed that this protein had high homology with two Arabidopsis LEA proteins. Gene expression analysis revealed that this gene had a higher expression in root and it was induced obviously by salt stress. Moreover, the transcripts of KvLEA were also induced by other abiotic stresses including drought, high temperature, chilling, and ABA treatment. Among these abiotic stresses, ABA treatment brought about the biggest changes to this gene. Collectively, our research discovered a novel LEA gene and uncovered its involvement in multiabiotic stresses in K. virginica. This research not only enriched studies on LEA gene in plant but also would accelerate more studies on K. virginica in the future.

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