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JOURNAL OF DESERT RESEARCH  2013, Vol. 33 Issue (2): 549-553    DOI: 10.7522/j.issn.1000-694X.2013.00075
    
Study on the Antioxidative Ability and Salt Tolerance of Reaumuria soongorica Callus under Salt Stress
TAN Hui-juan, LI Xin-rong, LIU Yu-bing, ZHAO Xin
Shapotou Desert Experiment Research Station/ Extreme Stress Resistance and Biotechnology Laboratory, Cold and Arid Regions Environmental and Engineering Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China
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Abstract  

The mechanism of the enduribility of Reaumuria soongorica to habitat with salt stress was investigated by measuring the activities of superoxide dismutase (SOD), peroxidase (POD) and catalase (CAT), the content of malondialdehyde (MDA), and the permeability of cell membrane of the callus in vitro. The results showed that, with progressing salt stress, the activities of SOD, POD and CAT were elevated significantly by 9.83%-51.98%, 26.4%-140.2% and 44.74%-216.34%, respectively, in comparison to the control treatment, the content of MDA increased by 0.84%-51.03%. It suggested that R. soongorica could adapt well to the habitat with salt stress by reducing the accumulation of reactive oxygen species (ROS) and the subsequent acceleration of lipid peroxide induced by excessive salt.

Key words:  Reaumuria soongorica      callus      antioxidative      salt stress     
Received:  11 September 2012      Published:  10 November 2012
ZTFLH:  Q945.78  

Cite this article: 

TAN Hui-juan, LI Xin-rong, LIU Yu-bing, ZHAO Xin. Study on the Antioxidative Ability and Salt Tolerance of Reaumuria soongorica Callus under Salt Stress. JOURNAL OF DESERT RESEARCH, 2013, 33(2): 549-553.

URL: 

http://www.desert.ac.cn/EN/10.7522/j.issn.1000-694X.2013.00075     OR     http://www.desert.ac.cn/EN/Y2013/V33/I2/549

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