title: Ecotoxicity of pp'DDE to Daphnia magna.
abstract: pp'-Dichlorodiphenyl-dichloroethylene (pp'DDE), a metabolite of pp'-dichlorodiphenyl-trichloroethane poses a risk for many ecosystems in spite of the banning of the parent compound because of its persistence and bioaccumulability. Nevertheless, the knowledge of acute and chronic toxicity on aquatic organisms is still very poor. In the present study, Daphnia magna was exposed to varying concentrations of pp'DDE in water and through diet to determine both acute toxicity and potential for effects on reproduction and survivability. The 48 h IC50 was 5.08 μg L(-1) (3.76-7.01 μg L(-1)). As pp'DDE concentration in water was not stable and the amount assumed by food cannot be established with certainty, the results of chronic toxicity tests were expressed as the concentration in the organism which caused a negative effect. Grazing activity was affected with a pp'DDE concentration in the organism of 24 ng mg(-1) d.w., while the lowest observed effect concentration for fecundity reduction was 109 ng mg(-1) d.w.
authors: Theoretical and Applied Science Department, University of Insubria, Via Dunant 3, Varese, Italy, roberta.bettinetti@uninsubria.it.
authors: Roberta
authors: R
authors: Bettinetti
authors: Valeria
authors: V
authors: Croce
authors: Francesca
authors: F
authors: Noè
authors: Benedetta
authors: B
authors: Ponti
authors: Silvia
authors: S
authors: Quadroni
authors: Silvana
authors: S
authors: Galassi
mesh_terms: D000818:Animals; D003621:Daphnia / Q000187:drug effects*; D003633:Dichlorodiphenyl Dichloroethylene / Q000032:analysis / Q000633:toxicity*; D004784:Environmental Monitoring; D005298:Fertility / Q000187:drug effects; D008297:Male; D012098:Reproduction / Q000187:drug effects; D023382:Toxicity Tests, Acute; D036401:Toxicity Tests, Chronic; D014874:Water Pollutants, Chemical / Q000032:analysis / Q000633:toxicity*
chemical_list: D014874:Water Pollutants, Chemical; D003633:Dichlorodiphenyl Dichloroethylene
references: Chemosphere. 2012 Jul;88(3):344-51
references: 22483727
references: Ecotoxicology. 2008 Apr;17(3):199-205
references: 18157691
references: Chemosphere. 2012 Jul;88(4):514-23
references: 22469199
references: Environ Pollut. 2001;113(2):187-98
references: 11383336
references: Sci Total Environ. 1991 Dec;109-110:387-94
references: 1815359
references: Environ Pollut. 2003;124(3):509-22
references: 12758030
references: Nature. 1995 Jun 15;375(6532):581-5
references: 7791873
references: Environ Sci Technol. 2012 Mar 20;46(6):3204-11
references: 22313235
references: Environ Sci Pollut Res Int. 2010 Nov;17(9):1508-18
references: 20437105
references: Environ Sci Pollut Res Int. 2006 Jan;13(1):59-66
references: 16417133
references: Environ Toxicol Chem. 2007 Sep;26(9):2019-23
references: 17705662
references: Environ Toxicol Chem. 2006 Nov;25(11):2937-45
references: 17089717
references: J Agric Food Chem. 2002 Dec 4;50(25):7194-8
references: 12452631
references: Environ Health Perspect. 2002 Feb;110(2):125-8
references: 11836138
references: Toxicol Ind Health. 2002 Jun;18(5):225-35
references: 14653311
references: Environ Sci Technol. 2001 Jan 1;35(1):14-20
references: 11351999
references: Environ Toxicol Chem. 2005 Sep;24(9):2341-9
references: 16193764
references: Environ Toxicol Chem. 2004 Nov;23(11):2641-8
references: 15559279
references: Toxicol Ind Health. 1999 Jan-Mar;15(1-2):192-9
references: 10188202
references: Aquat Toxicol. 2005 Sep 10;74(3):193-204
references: 16046008
references: Chemosphere. 2000 Dec;41(12):1857-64
references: 11061307
references: Ambio. 2011 Jun;40(4):341-50
references: 21809777
references: Aquat Toxicol. 2005 Aug 15;74(1):47-52
references: 15951033
references: Gen Comp Endocrinol. 2005 Dec;144(3):257-63
references: 16112671