Volume 26 Issue 5
Oct.  2009
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CHEN Guo-liang, JIANG Jing, QIAO Gui-rong, JIN Liang, SUN Yue-hua, YANG Ye, ZHOU Jing, ZHUO Ren-ying. Populus leafy proteomics with NaCl stress using two-dimensional electrophoresis analysis[J]. Journal of Zhejiang A&F University, 2009, 26(5): 644-651.
Citation: CHEN Guo-liang, JIANG Jing, QIAO Gui-rong, JIN Liang, SUN Yue-hua, YANG Ye, ZHOU Jing, ZHUO Ren-ying. Populus leafy proteomics with NaCl stress using two-dimensional electrophoresis analysis[J]. Journal of Zhejiang A&F University, 2009, 26(5): 644-651.

Populus leafy proteomics with NaCl stress using two-dimensional electrophoresis analysis

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  • Corresponding author: ZHUO Ren-ying
  • Publish Date: 2009-10-20
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Populus leafy proteomics with NaCl stress using two-dimensional electrophoresis analysis

    Corresponding author: ZHUO Ren-ying

Abstract: Salt stress is one of the major abiotic stressed over the world. Most of the researchs were foucsed on improve the ability of plant species living in salt soil. Two-dimesional gel electrophoresis(2-DE)is one of the most useful methods in proteins research. To determine total protein extraction efficiency from Populus cathayana with two-dimensional electrophoresis (2-DE) analysis,three protein extraction methods (phenol extraction,improved acetone precipitation method,and TCA-acetone precipitation method) were compared. Electrophoresis conditions and leafy proteomics of P. cathayana with salt stress were also analyzed. Results showed that the three protein extraction methods generated 437,603,and 721 protein spots with the phenol extraction method more effectively removing salt from the protein sample,generating more protein spots,and giving clearer background for the 2-DE map. The results showed that condition of 300 μg per IPG gel,20 min equilibrium time,90 000 V·h IEF time was the suitable treatment. Also,the leafy proteomics analysis revealed that 10 protein spots was down-regulators,32 protein spots was up?-regulators,and 4 new protein spots was induced by salt stress. These proteins may be important response to salt stress. [Ch,9 fig. 24 ref.]

CHEN Guo-liang, JIANG Jing, QIAO Gui-rong, JIN Liang, SUN Yue-hua, YANG Ye, ZHOU Jing, ZHUO Ren-ying. Populus leafy proteomics with NaCl stress using two-dimensional electrophoresis analysis[J]. Journal of Zhejiang A&F University, 2009, 26(5): 644-651.
Citation: CHEN Guo-liang, JIANG Jing, QIAO Gui-rong, JIN Liang, SUN Yue-hua, YANG Ye, ZHOU Jing, ZHUO Ren-ying. Populus leafy proteomics with NaCl stress using two-dimensional electrophoresis analysis[J]. Journal of Zhejiang A&F University, 2009, 26(5): 644-651.

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