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A study on the effects of food quantity and quality on glutathione S-transferase (GST) activity and growth rate parameters of Daphnia carinata varying in age
Guo, Nichun; Xie, Ping; Xie, P, Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Donghu S Rd 7, Wuhan 430072, Peoples R China; xieping@ihb.ac.cn
2011
Source PublicationAQUATIC ECOLOGY
ISSN1386-2588
Volume45Issue:1Pages:63-73
AbstractThe adverse influences of insufficient food and toxins on Daphnia carinata's body growth, reproduction and tolerance were investigated in the laboratory. Different concentrations of Scendesmus obliquus and a mixture of S. obliquus and microcystin (MC)-containing Microcystis aeruginosa PCC7820 were used to feed D. carinata. Glutathione S-transferase (GST) activity towards five chemical compounds (substrates) was measured and used as an indicator of their tolerance. Body growth rate and clutch size of D. carinata decreased with declined concentration or decreased proportion of S. obliquus in the diet. GST activity decreased with ageing in D. carinata. However, GST activity to several chemical compounds increased when food quantity or food quality decreased. Adult D. carinata had a lower GST activity towards p-nitrophenenzyl chloride (PNBC) than juveniles and exhibited a sharp decline (P < 0.001) in GST activity towards PNBC as the animals aged. It is suggested that the age-specific decrease in GST activity is a possible mechanism for the high morality of adult D. carinata in the summer of eutrophic lakes.
KeywordScendesmus Obliquus Microcystin (Mc)-containing Microcystis Tolerance Morality P-nitrophenenzyl Chloride (Pnbc)
Department[Guo, Nichun; Xie, Ping] Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Wuhan 430072, Peoples R China
Subject AreaEcology ; Limnology ; Marine & Freshwater Biology
Funding OrganizationNational Basic Research Programme of China [2008CB418101] ; National Basic Research Programme of China [2008CB418101] ; National Basic Research Programme of China [2008CB418101] ; National Basic Research Programme of China [2008CB418101]
Indexed BySCI
Language英语
WOS IDWOS:000287095400007
Funding OrganizationNational Basic Research Programme of China [2008CB418101] ; National Basic Research Programme of China [2008CB418101] ; National Basic Research Programme of China [2008CB418101] ; National Basic Research Programme of China [2008CB418101]
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/15472
Collection淡水生态学研究中心_期刊论文
Corresponding AuthorXie, P, Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Donghu S Rd 7, Wuhan 430072, Peoples R China; xieping@ihb.ac.cn
Recommended Citation
GB/T 7714
Guo, Nichun,Xie, Ping,Xie, P, Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Donghu S Rd 7, Wuhan 430072, Peoples R China,et al. A study on the effects of food quantity and quality on glutathione S-transferase (GST) activity and growth rate parameters of Daphnia carinata varying in age[J]. AQUATIC ECOLOGY,2011,45(1):63-73.
APA Guo, Nichun,Xie, Ping,Xie, P, Chinese Acad Sci, Donghu Expt Stn Lake Ecosyst, State Key Lab Freshwater Ecol & Biotechnol China, Inst Hydrobiol, Donghu S Rd 7, Wuhan 430072, Peoples R China,&xieping@ihb.ac.cn.(2011).A study on the effects of food quantity and quality on glutathione S-transferase (GST) activity and growth rate parameters of Daphnia carinata varying in age.AQUATIC ECOLOGY,45(1),63-73.
MLA Guo, Nichun,et al."A study on the effects of food quantity and quality on glutathione S-transferase (GST) activity and growth rate parameters of Daphnia carinata varying in age".AQUATIC ECOLOGY 45.1(2011):63-73.
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