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Effects of NaCl Stress on the Scavenging Activity of Limonium sinense Kuntze to Reactive Oxygen Species

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【作者】 ZHANG XiaYIN Hai-boCHEN Shi-huaLI Li-xiaZHAO Ji-qiangGUO Shan-li

【Author】 ZHANG Xia, YIN Hai-bo, CHEN Shi-hua, LI Li-xia, ZHAO Ji-qiang, GUO Shan-li College of Life Sciences, Yantai University, Yantai, Shandong 264005, China

【机构】 College of Life Sciences, Yantai University

【摘要】 [Objective] To discuss the effects of NaCl stress on the scavenging activity of Limonium sinense Kuntze to reactive oxygen species (ROS). [Method] After L. sinense seedlings were treated by 500mmol/L NaCl, the osmotic potential of leaves, content of MDA, and activities of catalyses (CAT), peroxidase (POD), superoxside dismutase (SOD) were investigated. [Result] The content of MDA maintained a relatively low level, while it reached the maximum value after treatment for 5 days. The antioxidase activities increased first and then decreased, and reduced to the minimum level after treatment for 5 days, which was consistent with the results of MDA content. [Conclusion] Depending on antioxidant enzyme system, L. sinense could scavenge reactive oxygen species, reduce oxidative damage and maintain growth during a short period under NaCl stress.

【基金】 Supported by the Key Science&Technology Brainstorm Project of Shandong Province(2010GNC10937);the Natural Science Foundation for Youth of Shandong Province(ZR2011 CQ013);the Initial Foundation for Ph.D of Yantai University(TM09B25,HX10B23)
  • 【分类号】S567.239
  • 【被引频次】1
  • 【下载频次】39
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