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Trends of Superoxide Dismutase and Soluble Protein of Aquatic Plants in Lakes of Different Trophic Levels in the Middle and Lower Reaches of the Yangtze River, China
Wu, Ai-Ping1,2,3; Cao, Te1; Wu, Shi-Kai1; Ni, Le-Yi1; Xie, Ping1; Ni, LY, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
2009-04-01
Source PublicationJOURNAL OF INTEGRATIVE PLANT BIOLOGY
ISSN1672-9072
Volume51Issue:4Pages:414-422
AbstractA limnological study was carried out to determine the responses of superoxide dismutase (SOD) activities and soluble protein (SP) contents of 11 common aquatic plants to eutrophication stress. Field investigation in 12 lakes in the middle and lower reaches of the Yangtze River was carried out from March to September 2004. Our results indicated that non-submersed (emergent and floating-leafed) plants and submersed plants showed different responses to eutrophication stress. Both SOD activities of the non-submersed and submersed plants were negatively correlated with their SP contents (P < 0.000 1). SP contents of non-submersed plants were significantly correlated with all nitrogen variables in the water (P < 0.05), whereas SP contents of submersed plants were only significantly correlated with carbon variables as well as ammonium and Secchi depth (SD) in water (P < 0.05). Only SOD activities of submersed plants were decreased with decline of SD in water (P < 0.001). Our results indicate that the decline of SOD activities of submersed plants were mainly caused by light limitation, this showed a coincidence with the decline of macrophytes in eutrophic lakes, which might imply that the antioxidant system of the submersed plants were impaired under eutrophication stress.; A limnological study was carried out to determine the responses of superoxide dismutase (SOD) activities and soluble protein (SP) contents of 11 common aquatic plants to eutrophication stress. Field investigation in 12 lakes in the middle and lower reaches of the Yangtze River was carried out from March to September 2004. Our results indicated that non-submersed (emergent and floating-leafed) plants and submersed plants showed different responses to eutrophication stress. Both SOD activities of the non-submersed and submersed plants were negatively correlated with their SP contents (P < 0.000 1). SP contents of non-submersed plants were significantly correlated with all nitrogen variables in the water (P < 0.05), whereas SP contents of submersed plants were only significantly correlated with carbon variables as well as ammonium and Secchi depth (SD) in water (P < 0.05). Only SOD activities of submersed plants were decreased with decline of SD in water (P < 0.001). Our results indicate that the decline of SOD activities of submersed plants were mainly caused by light limitation, this showed a coincidence with the decline of macrophytes in eutrophic lakes, which might imply that the antioxidant system of the submersed plants were impaired under eutrophication stress.
SubtypeArticle
KeywordEutrophication Macrophytes Soluble Protein Superoxide Dismutase
Department[Wu, Ai-Ping; Cao, Te; Wu, Shi-Kai; Ni, Le-Yi; Xie, Ping] Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China; [Wu, Ai-Ping] Hunan Agr Univ, Dept Ecol, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China; [Wu, Ai-Ping] Chinese Acad Sci, Wuhan Branch, Grad Univ, Wuhan 430072, Peoples R China
Subject AreaBiochemistry & Molecular Biology ; Plant Sciences
DOI10.1111/j.1744-7909.2009.00814.x
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Funding OrganizationNational Natural Science Foundation of China [30570280]; National Basic Research Program of China [2002CB412300, 2002AA601011] ; National Natural Science Foundation of China [30570280]; National Basic Research Program of China [2002CB412300, 2002AA601011] ; National Natural Science Foundation of China [30570280]; National Basic Research Program of China [2002CB412300, 2002AA601011] ; National Natural Science Foundation of China [30570280]; National Basic Research Program of China [2002CB412300, 2002AA601011]
Indexed BySCI
Language英语
WOS Research AreaBiochemistry & Molecular Biology ; Plant Sciences
WOS SubjectBiochemistry & Molecular Biology ; Plant Sciences
WOS IDWOS:000264735600009
WOS KeywordFRESH-WATER ; PEROXODISULFATE OXIDATION ; CERATOPHYLLUM-DEMERSUM ; SUBMERGED MACROPHYTES ; NUTRIENT ENRICHMENT ; SPECIES COMPOSITION ; SALT TOLERANCE ; TOTAL NITROGEN ; GROWTH ; RESPONSES
Funding OrganizationNational Natural Science Foundation of China [30570280]; National Basic Research Program of China [2002CB412300, 2002AA601011] ; National Natural Science Foundation of China [30570280]; National Basic Research Program of China [2002CB412300, 2002AA601011] ; National Natural Science Foundation of China [30570280]; National Basic Research Program of China [2002CB412300, 2002AA601011] ; National Natural Science Foundation of China [30570280]; National Basic Research Program of China [2002CB412300, 2002AA601011]
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Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/152342/7802
Collection期刊论文
Corresponding AuthorNi, LY, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
2.Hunan Agr Univ, Dept Ecol, Coll Biosci & Biotechnol, Changsha 410128, Hunan, Peoples R China
3.Chinese Acad Sci, Wuhan Branch, Grad Univ, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Wu, Ai-Ping,Cao, Te,Wu, Shi-Kai,et al. Trends of Superoxide Dismutase and Soluble Protein of Aquatic Plants in Lakes of Different Trophic Levels in the Middle and Lower Reaches of the Yangtze River, China[J]. JOURNAL OF INTEGRATIVE PLANT BIOLOGY,2009,51(4):414-422.
APA Wu, Ai-Ping,Cao, Te,Wu, Shi-Kai,Ni, Le-Yi,Xie, Ping,&Ni, LY, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China.(2009).Trends of Superoxide Dismutase and Soluble Protein of Aquatic Plants in Lakes of Different Trophic Levels in the Middle and Lower Reaches of the Yangtze River, China.JOURNAL OF INTEGRATIVE PLANT BIOLOGY,51(4),414-422.
MLA Wu, Ai-Ping,et al."Trends of Superoxide Dismutase and Soluble Protein of Aquatic Plants in Lakes of Different Trophic Levels in the Middle and Lower Reaches of the Yangtze River, China".JOURNAL OF INTEGRATIVE PLANT BIOLOGY 51.4(2009):414-422.
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