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Article Dans Une Revue Environmental Science and Pollution Research Année : 2014

Ant cuticular response to phthalate pollution

Résumé

Phthalates are common atmospheric contaminantsused in the plastic industry. Ants have been shown to constitutegood bioindicators of phthalate pollution. Hence,phthalates remain trapped on ant cuticles which are mostlycoated with long-chain hydrocarbons. In this study, we artificiallycontaminated Lasius niger ants with four phthalates:dibutyl phthalate (DBP), diisobutyl phthalate (DiBP), di(2-ethylhexyl) phthalate (DEHP), and benzyl butyl phthalate(BBP). The first three have previously been found on ants innature in Touraine (France), while the fourth has not. The fourphthalates disappeared rapidly (less than 5 days) from thecuticles of live ants. In contrast, on the cuticles of dead ants,DEHP quantities remained unchanged over time. These resultsindicate that phthalates are actively absorbed by thecuticles of live ants. Cuticular absorption of phthalates isnonspecific because eicosane, a nonnatural hydrocarbon onL. niger cuticle, was similarly absorbed. Ants are importantecological engineers and may serve as bioindicators of ecosystemhealth. We also suggest that ants and more generallyterrestrial arthropods may contribute to the removal ofphthalates from the local environment
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Dates et versions

hal-01081622 , version 1 (17-11-2014)

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Alain Lenoir, Touchard Axel, Séverine Devers, Jean-Philippe Christidès, Raphaël Boulay, et al.. Ant cuticular response to phthalate pollution. Environmental Science and Pollution Research, 2014, 21 (23), pp.ISSN 0944-1344. ⟨10.1007/s11356-014-3272-2⟩. ⟨hal-01081622⟩
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