Acta Photonica Sinica, Volume. 40, Issue 5, 712(2011)
Ramage Repair for Enhanced Ultraviolet-B Radiation on Antioxidant System of Arabiodopsis by He-Ne Laser
Taking Arabidopsis trained about six weeks as the material,UV-B radiation(1 kJ/m2/d) and He-Ne laser irradiation(wavelength 632.8 nm output power 5 mW·mm2, irradiation time 60 s) were used to process the material.The Arabidopsis were divided into four treatment groups including CK(not treated ),L(He-Ne laser) ,B(UV-B), and BL(UV-B +He-Ne laser).The experimental results show that enhanced UV-B increases the contents of MDA,O.-2and the activities of PAL, CAT,APX ,while SOD activity and the content of GSH decrease. But He-Ne laser irradiation reduces the contents of MDA and O.-2,the PAL activity, and increases SOD activity, APX activity, CAT activity, the content of GSH .In contrast to B group, both enhanced UV-B and He-Ne laser have similar results which indicated by He-Ne laser irradiation. The results prove that laser can improve the ability of antioxidant system in Arabidopsis.
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JIANG Xiao-yan, GAO Li-mei, LI Yong-feng, HAN Rong. Ramage Repair for Enhanced Ultraviolet-B Radiation on Antioxidant System of Arabiodopsis by He-Ne Laser[J]. Acta Photonica Sinica, 2011, 40(5): 712
Received: Nov. 15, 2010
Accepted: --
Published Online: Jun. 14, 2011
The Author Email: Xiao-yan JIANG (Jiang_xiaoyan_2008@126.com)