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费尔干猪毛菜病程相关蛋白基因(SfPR-1)的克隆及在盐胁迫下的表达分析

王艳, 陈西, 杨中敏, 刘登辉

王艳, 陈西, 杨中敏, 刘登辉. 费尔干猪毛菜病程相关蛋白基因(SfPR-1)的克隆及在盐胁迫下的表达分析[J]. 植物科学学报, 2013, 31(2): 164-170. DOI: 10.3724/SP.J.1142.2013.20164
引用本文: 王艳, 陈西, 杨中敏, 刘登辉. 费尔干猪毛菜病程相关蛋白基因(SfPR-1)的克隆及在盐胁迫下的表达分析[J]. 植物科学学报, 2013, 31(2): 164-170. DOI: 10.3724/SP.J.1142.2013.20164
WANG Yan, CHEN Xi, YANG Zhong-Min, LIU Deng-Hui. Cloning of Pathogen-Related Protein Gene(SfPR-1) from Salsola ferganica and Its Expression Analysis under Salt Stress[J]. Plant Science Journal, 2013, 31(2): 164-170. DOI: 10.3724/SP.J.1142.2013.20164
Citation: WANG Yan, CHEN Xi, YANG Zhong-Min, LIU Deng-Hui. Cloning of Pathogen-Related Protein Gene(SfPR-1) from Salsola ferganica and Its Expression Analysis under Salt Stress[J]. Plant Science Journal, 2013, 31(2): 164-170. DOI: 10.3724/SP.J.1142.2013.20164
王艳, 陈西, 杨中敏, 刘登辉. 费尔干猪毛菜病程相关蛋白基因(SfPR-1)的克隆及在盐胁迫下的表达分析[J]. 植物科学学报, 2013, 31(2): 164-170. CSTR: 32231.14.SP.J.1142.2013.20164
引用本文: 王艳, 陈西, 杨中敏, 刘登辉. 费尔干猪毛菜病程相关蛋白基因(SfPR-1)的克隆及在盐胁迫下的表达分析[J]. 植物科学学报, 2013, 31(2): 164-170. CSTR: 32231.14.SP.J.1142.2013.20164
WANG Yan, CHEN Xi, YANG Zhong-Min, LIU Deng-Hui. Cloning of Pathogen-Related Protein Gene(SfPR-1) from Salsola ferganica and Its Expression Analysis under Salt Stress[J]. Plant Science Journal, 2013, 31(2): 164-170. CSTR: 32231.14.SP.J.1142.2013.20164
Citation: WANG Yan, CHEN Xi, YANG Zhong-Min, LIU Deng-Hui. Cloning of Pathogen-Related Protein Gene(SfPR-1) from Salsola ferganica and Its Expression Analysis under Salt Stress[J]. Plant Science Journal, 2013, 31(2): 164-170. CSTR: 32231.14.SP.J.1142.2013.20164

费尔干猪毛菜病程相关蛋白基因(SfPR-1)的克隆及在盐胁迫下的表达分析

基金项目: 新疆自治区青年自然科学基金资助项目(2012211B06)。This research work was supported by the Youth Foundation of Xinjiang Natural Science Foundation (2012211B06).
详细信息
    作者简介:

    王艳(1978-),女,理学博士,副教授,研究方向为植物抗逆生理生化与分子机制。

    通讯作者:

    王艳, E-mail: wangyan7899@gmail.com

  • 中图分类号: Q781

Cloning of Pathogen-Related Protein Gene(SfPR-1) from Salsola ferganica and Its Expression Analysis under Salt Stress

  • 摘要: 利用抑制消减杂交法从藜科猪毛菜属盐生植物费尔干猪毛菜(Salsola ferganica)中分离得到了一个盐胁迫响应的cDNA片段,结合SMARTTM RACE技术获得了费尔干猪毛菜病程相关蛋白基因的cDNA,命名该基因为 SfPR-1 (GenBank登录号: JQ670917)。序列分析表明,SfPR-1长817 bp,含有501 bp的阅读框、 65 bp的 5'-UTR 和251 bp的3'-UTR,编码166个氨基酸,分子质量为18.01 kD,理论等电点为9.37。通过BLAST同源序列比对分析,结果显示该基因编码的蛋白与已知甜菜、拟南芥、烟草及玉米的病程相关蛋白PR-1同源性分别为73.6%、57.8%、55.5%和53.9%,且具有PR-1家族特有的6个半胱氨酸保守结构域。半定量RT-PCR和实时荧光定量RT-qPCR分析表明,该基因在盐胁迫后表达呈明显上调,初步推测病程相关蛋白基因SfPR-1可能与费尔干猪毛菜的耐盐性相关。
    Abstract: A cDNA fragment was isolated from Salsola ferganica by suppression subtractive hybridization and its full-length cDNA with 817 bp was cloned by SMARTTM RACE, and was named SfPR-1 gene (GenBank accession number: JQ670917). The SfPR-1 gene consisted of a 501 bp open reading frame encoding 166 amino acids with molecular weight of 18.01 kDa and an isoelectric point of 9.37, a 65 bp 5'-UTR and 251 bp 3'-UTR. The deduced amino acid sequence of SfPR-1 showed high identity of 73.6%, 57.8%, 55.5% and 53.9% to those of pathogen-related protein 1 from Beta vulgaris, Arabidopsis thaliana, Nicotiana tabacum and Zea mays, respectively, and had a conserved six-cysteine motif. Reverse transcriptase PCR and Real-time PCR methods were used to investigate the expression profile of the SfPR-1 gene under salt stress. SfPR-1 showed up-regulated expression patterns under salt treatment. Based on our results, we concluded that the SfPR-1 gene might be involved in salt response and an important component for the salt tolerant pathway in Salsola ferganica.
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出版历程
  • 收稿日期:  2012-06-25
  • 修回日期:  2012-11-16
  • 发布日期:  2013-04-29

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