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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
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Your Position :Home->Past Journals Catalog->2011 Vol.30 No.4

Effects of Mercury on Activities of Antioxidant Enzymes in Pirata subpiraticus from Different Habitats
Author of the article:ZHANG Zheng-tian1, ZHANG Hu-cheng2, LIANG Zi-an1*, XIA Min1, DU Rui-qing1
Author's Workplace:(1. Department of Life Sciences, Nanyang Normal University, Nanyang, Henan Province 473061, China; 2. Department of Biology, Beijing Vocational College of Electronic Science and Technology, Beijing 100029, China)
Key Words: Pirata subpiraticus; heavy metal pollution; mercury; antioxidant enzyme
Abstract:In the wolf spider Pirata subpiraticus collected from five different habitats in Nanyang city, Henan province, the contents of mercury were measured using atomic absorption spectrometry and the changes in the activities of antioxidant enzymes including GSH level, and GST, CAT and SOD were analyzed. The results showed that the contents of mercury in P. subpiraticus were significantly different between three heavy metal polluted habitats (TBTK, NYYT, and NYJG) and the control habitat (BTM, a nature reserve with less heavy metal pollution) (P<0.05). With mercury polluted, the higher the content of mercury, the higher the GSH level. Moreover, the GSH level in the habitats (S1,S2 and S3) was 2.4~3.8 times higher than the control. GSH level was highly positive correlative with mercury content (r2=0.9624P<0.01). In contrast, the low activities of antioxidant enzymes (GST, CAT and SOD) corresponded to the high contents of mercury. This suggests that the degree ofmercury pollution can be known through testing the activity change of antioxidant enzymes of P. subpiraticus, and this wolf spider can be used as a very important bio-indicator for heavy metals pollution
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