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学科主题: Biochemistry & Molecular Biology; Plant Sciences
题名: 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
作者: Wu, Ai-Ping1, 2, 3; Cao, Te1; Wu, Shi-Kai1; Ni, Le-Yi1; Xie, Ping1
通讯作者: Ni, LY, Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Donghu Expt Stn Lake Ecosyst, Wuhan 430072, Peoples R China
关键词: eutrophication ; macrophytes ; soluble protein ; superoxide dismutase
刊名: JOURNAL OF INTEGRATIVE PLANT BIOLOGY
发表日期: 2009-04-01
DOI: 10.1111/j.1744-7909.2009.00814.x
卷: 51, 期:4, 页:414-422
收录类别: SCI
文章类型: Article
部门归属: [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
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
资助者: National Natural Science Foundation of China [30570280]; National Basic Research Program of China [2002CB412300, 2002AA601011]
类目[WOS]: Biochemistry & Molecular Biology ; Plant Sciences
研究领域[WOS]: Biochemistry & Molecular Biology ; Plant Sciences
摘要: 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.
英文摘要: 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.
关键词[WOS]: FRESH-WATER ; PEROXODISULFATE OXIDATION ; CERATOPHYLLUM-DEMERSUM ; SUBMERGED MACROPHYTES ; NUTRIENT ENRICHMENT ; SPECIES COMPOSITION ; SALT TOLERANCE ; TOTAL NITROGEN ; GROWTH ; RESPONSES
语种: 英语
WOS记录号: WOS:000264735600009
ISSN号: 1672-9072
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/7802
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.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:
Wu, Ai-Ping; Cao, Te; Wu, Shi-Kai; Ni, Le-Yi; Xie, Ping.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,2009,51(4):414-422
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