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Comprehensive biological effects of a complex field poly-metallic pollution gradient on the New Zealand mudsnail Potamopyrgus antipodarum (Gray)

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Title: Comprehensive biological effects of a complex field poly-metallic pollution gradient on the New Zealand mudsnail Potamopyrgus antipodarum (Gray)
Authors: Gust, M.1,2 marion.gust@cemagref.fr, Buronfosse, T.3 thierry.buronfosse@inserm.fr, Geffard, O.1 olivier.geffard@cemagref.fr, Coquery, M.4 marina.coquery@cemagref.fr, Mons, R.1 raphael.mons@cemagref.fr, Abbaci, K.1 khedidja.abbaci@cemagref.fr, Giamberini, L.5 giamb@sciences.univ-metz.fr, Garric, J.1 jeanne.garric@cemagref.fr
Source: Aquatic Toxicology. Jan2011, Vol. 101 Issue 1, p100-108. 9p.
Subjects: Metal toxicology, New Zealand mudsnail, Field research, Watersheds, Immunomodulators, Fertility, Histopathology, Freshwater animals
Abstract: Abstract: The Lot River is known to be contaminated by metals, mainly cadmium and zinc, due to a former Zn ore treatment plant in the watershed of the Riou-Mort, a tributary of the Lot River. Many studies have been performed to characterize contamination, but few have assessed its consequences on the biological responses of organisms along the gradient. We exposed adult and juvenile New Zealand freshwater mudsnails Potamopyrgus antipodarum at several sites along the gradient of metal contamination for 28 days. Biological responses were monitored at different levels: individual (survival, growth and fecundity), tissue and biochemical (energy status and vertebrate-like sex steroid levels) to better understand the toxicity mechanisms involved. Accumulation of Cd and Zn was high during exposure. Most of the biological effects observed could be linked to this contamination and were concentration-dependent. Histological lesions of the digestive gland were observed, with hypertrophy of calcium cells and vacuolization of digestive cells. Such effects are likely to explain the decrease of energy status (triglycerides and proteins), juvenile growth and adult fecundity observed at the most polluted site. However the magnitude of the fall in fecundity cannot be attributed only to these tissular effects, indicating another mode of action of Cd or possible confounding factors. Steroid accumulation in snails indicated only organic pollution. Histopathological effects proved the most sensitive endpoint to metal (Cd and Zn) contamination. [ABSTRACT FROM AUTHOR]
Copyright of Aquatic Toxicology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
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  Data: Comprehensive biological effects of a complex field poly-metallic pollution gradient on the New Zealand mudsnail Potamopyrgus antipodarum (Gray)
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  Data: <searchLink fieldCode="AR" term="%22Gust%2C+M%2E%22">Gust, M.</searchLink><relatesTo>1,2</relatesTo><i> marion.gust@cemagref.fr</i><br /><searchLink fieldCode="AR" term="%22Buronfosse%2C+T%2E%22">Buronfosse, T.</searchLink><relatesTo>3</relatesTo><i> thierry.buronfosse@inserm.fr</i><br /><searchLink fieldCode="AR" term="%22Geffard%2C+O%2E%22">Geffard, O.</searchLink><relatesTo>1</relatesTo><i> olivier.geffard@cemagref.fr</i><br /><searchLink fieldCode="AR" term="%22Coquery%2C+M%2E%22">Coquery, M.</searchLink><relatesTo>4</relatesTo><i> marina.coquery@cemagref.fr</i><br /><searchLink fieldCode="AR" term="%22Mons%2C+R%2E%22">Mons, R.</searchLink><relatesTo>1</relatesTo><i> raphael.mons@cemagref.fr</i><br /><searchLink fieldCode="AR" term="%22Abbaci%2C+K%2E%22">Abbaci, K.</searchLink><relatesTo>1</relatesTo><i> khedidja.abbaci@cemagref.fr</i><br /><searchLink fieldCode="AR" term="%22Giamberini%2C+L%2E%22">Giamberini, L.</searchLink><relatesTo>5</relatesTo><i> giamb@sciences.univ-metz.fr</i><br /><searchLink fieldCode="AR" term="%22Garric%2C+J%2E%22">Garric, J.</searchLink><relatesTo>1</relatesTo><i> jeanne.garric@cemagref.fr</i>
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  Data: <searchLink fieldCode="JN" term="%22Aquatic+Toxicology%22">Aquatic Toxicology</searchLink>. Jan2011, Vol. 101 Issue 1, p100-108. 9p.
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  Data: <searchLink fieldCode="DE" term="%22Metal+toxicology%22">Metal toxicology</searchLink><br /><searchLink fieldCode="DE" term="%22New+Zealand+mudsnail%22">New Zealand mudsnail</searchLink><br /><searchLink fieldCode="DE" term="%22Field+research%22">Field research</searchLink><br /><searchLink fieldCode="DE" term="%22Watersheds%22">Watersheds</searchLink><br /><searchLink fieldCode="DE" term="%22Immunomodulators%22">Immunomodulators</searchLink><br /><searchLink fieldCode="DE" term="%22Fertility%22">Fertility</searchLink><br /><searchLink fieldCode="DE" term="%22Histopathology%22">Histopathology</searchLink><br /><searchLink fieldCode="DE" term="%22Freshwater+animals%22">Freshwater animals</searchLink>
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  Data: Abstract: The Lot River is known to be contaminated by metals, mainly cadmium and zinc, due to a former Zn ore treatment plant in the watershed of the Riou-Mort, a tributary of the Lot River. Many studies have been performed to characterize contamination, but few have assessed its consequences on the biological responses of organisms along the gradient. We exposed adult and juvenile New Zealand freshwater mudsnails Potamopyrgus antipodarum at several sites along the gradient of metal contamination for 28 days. Biological responses were monitored at different levels: individual (survival, growth and fecundity), tissue and biochemical (energy status and vertebrate-like sex steroid levels) to better understand the toxicity mechanisms involved. Accumulation of Cd and Zn was high during exposure. Most of the biological effects observed could be linked to this contamination and were concentration-dependent. Histological lesions of the digestive gland were observed, with hypertrophy of calcium cells and vacuolization of digestive cells. Such effects are likely to explain the decrease of energy status (triglycerides and proteins), juvenile growth and adult fecundity observed at the most polluted site. However the magnitude of the fall in fecundity cannot be attributed only to these tissular effects, indicating another mode of action of Cd or possible confounding factors. Steroid accumulation in snails indicated only organic pollution. Histopathological effects proved the most sensitive endpoint to metal (Cd and Zn) contamination. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Aquatic Toxicology is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1016/j.aquatox.2010.09.007
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        Text: English
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        PageCount: 9
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    Subjects:
      – SubjectFull: Metal toxicology
        Type: general
      – SubjectFull: New Zealand mudsnail
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      – SubjectFull: Field research
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      – SubjectFull: Watersheds
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      – SubjectFull: Fertility
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      – SubjectFull: Histopathology
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