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LIU Wei-Qun, HU Ya-Jie, ZHEN Huan-Ju, FU Yun-Peng, LIU Qiao-Zhen, CHEN Xu-Chu. The Effect on Photosynthetic Characteristics of Transgenic Tobacco with BnDREB1-5 Gene by Drought Stress[J]. Plant Science Journal, 2008, 26(3): 294-297.
Citation: LIU Wei-Qun, HU Ya-Jie, ZHEN Huan-Ju, FU Yun-Peng, LIU Qiao-Zhen, CHEN Xu-Chu. The Effect on Photosynthetic Characteristics of Transgenic Tobacco with BnDREB1-5 Gene by Drought Stress[J]. Plant Science Journal, 2008, 26(3): 294-297.
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The Effect on Photosynthetic Characteristics of Transgenic Tobacco with BnDREB1-5 Gene by Drought Stress

  • 1.

    National Tobacco Cultivation and Physiological and Biochemical Key Lab, Henan Agricultural University, Zhengzhou 450002, China

  • 2.

    Employee Technique Training Center of China Tobacco Corporation, Zhengzhou 450008, China

  • 3.

    Tobacco Research Center, Henan Agriculture Science College, Xuchang, Henan 461000, China

  • 4.

    Henan Pingdingshan City Tobacco Monopoly Bureau Pingdingshan, Henan 467002, China

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  • Received Date: October 11, 2007
  • Revised Date: March 13, 2008
  • Published Date: June 29, 2008
    Graphical Abstract
    • Abstract
  • The photosynthetic characteristics,the content of chlorophyll,carotenoids and soluble sugar in tobacco leaves were analyzed after physical drought stressed.The results showed that after physical drought stressed,the initial fluorescence(Fo) and non-photochemical quenching(qN) of transgenic tobacco increased,but were significantly lower than wild-type.Other fluorescence parameter lower rates were significantly lower than that of wild-type.The photosynthetic parameter and chorophyll content of both samples decreased,but the lower rates were significantly lower than that of wild-type.The content of soluble sugar of transgenic tobacco was significantly higher than wild-type.These results indicated that the BnDREB1-5 transcription factor gene had an effect on drought stressed.
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