IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Effects of Pb and Ni stress on oxidative stress parameters in three moss species
Sun, Shou-Qin; Wang, Gen-Xu; He, Ming; Cao, Tong
Corresponding AuthorSun, SQ
2011
Source PublicationECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
ISSN0147-6513
Volume74Issue:6Pages:1630–1635
SubtypeArticle
AbstractAntioxidative responses of the mosses Hypnum plumaeforme, Thuidium cymbifolium, and Brachythecium piligerum to short-term Pb and Ni stress were investigated. Both Pb and Ni treatment increased the formation of reactive oxygen species and lipid peroxidation, decreased superoxide dismutase (SOD), and catalase (CAT) activities in H. plumaeforme and T. cymbifolium. However, SOD activity in B. piligerum was increased under 10 mM Pb stress and Ni increased CAT activity in B. piligerum under 1 mM Ni stress. Peroxidase (POX) activity in the three mosses was increased by Pb and Ni exposure, indicating that POX plays an important role in preventing heavy metal-induced oxidative stress. The accumulation of center dot O(2)(-) and H(2)O(2) in mosses is related to the decline in SOD and CAT activities. B. piligerum is the most sensitive and T. cymbifolium is the most tolerant species to Pb and Ni stress among the three bryophytes. (C) 2011 Elsevier Inc. All rights reserved.
KeywordAntioxidant Enzymes Bryophytes Lipid Peroxidation Pb And Ni Stress Ros
DOI10.1016/j.ecoenv.2011.04.002
Indexed BySCI
Language英语
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WOS IDWOS:000294105800023
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Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5489
Collection山地表生过程与生态调控重点实验室
Recommended Citation
GB/T 7714
Sun, Shou-Qin,Wang, Gen-Xu,He, Ming,et al. Effects of Pb and Ni stress on oxidative stress parameters in three moss species[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2011,74(6):1630–1635.
APA Sun, Shou-Qin,Wang, Gen-Xu,He, Ming,&Cao, Tong.(2011).Effects of Pb and Ni stress on oxidative stress parameters in three moss species.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,74(6),1630–1635.
MLA Sun, Shou-Qin,et al."Effects of Pb and Ni stress on oxidative stress parameters in three moss species".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 74.6(2011):1630–1635.
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