2009
DOI: 10.1590/s0100-204x2009000800011
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Biomarkers for the assessment of chlorpyrifos effects on earthworms and on soil functional parameters

Abstract: -The objective of this work was to evaluate the effects of chlorpyrifos on earthworms and on soil functional parameters. An integrated laboratory-fi eld study was performed in a wheat fi eld in Argentina, sprayed with chlorpyrifos at two recommended application rates (240 or 960 g ha -1 a.i.). Laboratory tests included neutral red retention time, comet assay (single cell gel electrophoresis), and avoidance behavior, each using the earthworm Eisenia andrei exposed in soil collected 1 or 14 days after pesticide … Show more

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Cited by 13 publications
(6 citation statements)
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References 26 publications
(29 reference statements)
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“…In this study TD, TL, and OTM increased significantly (P < 0.05) compared with the control at the highest cypermethrin concentration (LC 50 ) showing that cypermethrin is genotoxic to earthworms. Similar results have been shown in earthworms exposed to heavy metals such as cadmium (Cd) (Muangphra and Gooneratne, 2011), Cd and lead , chromium VI (Manerikar et al, 2008), and pesticides such as acetochlor (Xiao et al, 2006), chlorpyrifos (Piola et al, 2009), and glyphosate and paraquat (Muangphra et al, 2012). Cypermethrin also cause DNA damage in several other organisms as detected by the comet assay in Drosophila melanogaster (Mukhopadhyay et al, 2004), Wistar rat (Murkunde et al, 2012), fish Prochilodus lineatus (Simoniello et al, 2009), Swiss albino mice (Patel et al, 2006) and adult zebrafish (Jin et al, 2011).…”
Section: Discussionsupporting
confidence: 73%
“…In this study TD, TL, and OTM increased significantly (P < 0.05) compared with the control at the highest cypermethrin concentration (LC 50 ) showing that cypermethrin is genotoxic to earthworms. Similar results have been shown in earthworms exposed to heavy metals such as cadmium (Cd) (Muangphra and Gooneratne, 2011), Cd and lead , chromium VI (Manerikar et al, 2008), and pesticides such as acetochlor (Xiao et al, 2006), chlorpyrifos (Piola et al, 2009), and glyphosate and paraquat (Muangphra et al, 2012). Cypermethrin also cause DNA damage in several other organisms as detected by the comet assay in Drosophila melanogaster (Mukhopadhyay et al, 2004), Wistar rat (Murkunde et al, 2012), fish Prochilodus lineatus (Simoniello et al, 2009), Swiss albino mice (Patel et al, 2006) and adult zebrafish (Jin et al, 2011).…”
Section: Discussionsupporting
confidence: 73%
“…Earthworms coelomocytes were extracted according to the procedure described in Piola et al (2009). Shortly, earthworms were submersed in 2 mL of phosphate buffer saline (PBS; 1.45 M NaCl, 60 mM Na 2 HPO 4 , 40 mM KH 2 PO 4 ; pH 7.0, 4 1C) and stimulated two times for 1 s with a 4.5 V battery, resulting in extrusion of coelomocytes through the dorsal pores.…”
Section: Comet Assaymentioning
confidence: 99%
“…O uso predominante desses organismos se deve aos seus inúmeros serviços ecológicos prestados e ao fato de ingerirem grande quantidade de solo, acumularem poluentes e representarem a maior parte da biomassa de invertebrados do solo (Plytycz et al, 2007 (Annelida: Oligochaeta), caracterizadas por ampla faixa de sensibilidade, alta disponibilidade e boa adaptação a diferentes ambientes (Piola et al, 2009). …”
Section: Introductionunclassified