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Antioxidative responses of Elodea nuttallii (Planch.) H. St. John to short-term iron exposure
Xing, Wei; Li, Dunhai; Liu, Guihua; Liu, GH, Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Peoples R China
2010
Source PublicationPLANT PHYSIOLOGY AND BIOCHEMISTRY
ISSN0981-9428
Volume48Issue:40462Pages:873-878
AbstractAntioxidative responses of Elodea nuttallii (Planch.) H. St. John to short-term iron exposure were investigated in the study. Results showed that iron accumulation in E. nuttallii was concentration dependent. Growth of E. nuttallii was promoted by low iron concentration (1-10 mg L-1 [Fe3+]), but growth inhibition was observed when iron concentration beyond 10 mg L-1. The synthesis of protein and pigments increased within 1-10 mg L-1 [Fe3+] range. The activities of superoxide dismutase (SOD), catalase (CAT), peroxidase (POD) and glutathione-S-transferase (GST) were up to maximal values at 10 mg L-1 [Fe3+]. High iron concentration inhibited the synthesis of protein and pigments as well as activities of antioxidative enzymes, and accelerated degradation of pigment and production of ROS. Low iron concentration had no significant influences on PSII maximal quantum yield, activity of PSII and relative electron transport rate though PSII. Malondialdehyde (MDA) and proline concentrations were highest at 100 and 1 mg L-1 [Fe3+], respectively. (C) 2010 Elsevier Masson SAS. All rights reserved.
KeywordIron Physiological Characteristics Antioxidative Response Elodea Nuttallii (PlancH.) H. St. joH.
Department[Xing, Wei; Liu, Guihua] Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Peoples R China; [Li, Dunhai] Chinese Acad Sci, State Key Lab Freshwater Ecol & Biotechnol, Inst Hydrobiol, Wuhan 430072, Peoples R China
Subject AreaPlant Sciences
Funding OrganizationNational S&T Major Projects [2008ZX07103-004, 2008ZX07002-005] ; National S&T Major Projects [2008ZX07103-004, 2008ZX07002-005] ; National S&T Major Projects [2008ZX07103-004, 2008ZX07002-005] ; National S&T Major Projects [2008ZX07103-004, 2008ZX07002-005]
Indexed BySCI
Language英语
WOS IDWOS:000284342800010
Funding OrganizationNational S&T Major Projects [2008ZX07103-004, 2008ZX07002-005] ; National S&T Major Projects [2008ZX07103-004, 2008ZX07002-005] ; National S&T Major Projects [2008ZX07103-004, 2008ZX07002-005] ; National S&T Major Projects [2008ZX07103-004, 2008ZX07002-005]
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13667
Collection水环境工程研究中心_期刊论文
Corresponding AuthorLiu, GH, Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Peoples R China
Recommended Citation
GB/T 7714
Xing, Wei,Li, Dunhai,Liu, Guihua,et al. Antioxidative responses of Elodea nuttallii (Planch.) H. St. John to short-term iron exposure[J]. PLANT PHYSIOLOGY AND BIOCHEMISTRY,2010,48(40462):873-878.
APA Xing, Wei,Li, Dunhai,Liu, Guihua,&Liu, GH, Chinese Acad Sci, Key Lab Aquat Bot & Watershed Ecol, Wuhan Bot Garden, Wuhan 430074, Peoples R China.(2010).Antioxidative responses of Elodea nuttallii (Planch.) H. St. John to short-term iron exposure.PLANT PHYSIOLOGY AND BIOCHEMISTRY,48(40462),873-878.
MLA Xing, Wei,et al."Antioxidative responses of Elodea nuttallii (Planch.) H. St. John to short-term iron exposure".PLANT PHYSIOLOGY AND BIOCHEMISTRY 48.40462(2010):873-878.
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