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Title: Quantitative changes in digestive gland cells and oocytes of Helix aspersa, as biomarkers of copper oxychloride exposure under field conditions
Authors: Snyman, RG 
Reinecke, AJ 
Reinecke, SA 
Keywords: Digestive cells;Oocytes;Copper;Snail
Issue Date: 2009
Publisher: Springer
Abstract: This study investigated the effects of accumu- lated copper, on digestive epithelium height and percentage area, and on oocyte numbers of the snail Helix aspersa, ina vineyard where copper oxychloride is sprayed. The ulti- mate aim was to determine the usefulness of these cellular responses as biomarkers. Results showed that snails col- lected 2 months after fungicide application, had a signifi- cantly lower mean digestive epithelium height and percentage area, as well as significantly fewer oocytes per 1 mm2 of ovotestis, compared to snails collected only 1 week after fungicide application and those from a control vineyard. It was concluded that these cellular responses are clear, measurable responses to copper oxychloride expo- sure and copper accumulation. However, they do not pro- vide an early warning of copper exposure, which impacts on their usefulness as biomarkers.
Description: Snyman, R.G; & Reinecke, A.J; Reinecke, S.A; (2009). “Quantitative Changes in Digestive Gland Cells and Oocytes of Helix aspersa, as Biomarkers of Copper Oxychloride Exposure Under Field Conditions”. - The definitive, peer-reviewed and edited version of this article is published in Springer Science+Business Media, Bull Environ Contam Toxicol (2009) 83:19–22, DOI: 10.1007/s00128-009-9721-9
Appears in Collections:Appsc - Journal Articles (DHET subsidised)

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