VITELLOGENIN INDUCTION IN THE CLAM TAPES PHYLIPPINARUM AFTER EXPOSURE TO 4-NONYLPHENOL (Articolo in rivista)

Type

• Articolo in rivista (Classe)
• Prodotto della ricerca (Classe)

Label

• VITELLOGENIN INDUCTION IN THE CLAM TAPES PHYLIPPINARUM AFTER EXPOSURE TO 4-NONYLPHENOL (Articolo in rivista) (literal)

Anno

• 2006-01-01T00:00:00+01:00 (literal)

Alternative label

• MATOZZO V., TOMEI A., VALSECCHI S., POLESELLO S., MARIN M.G. (2006)
  VITELLOGENIN INDUCTION IN THE CLAM TAPES PHYLIPPINARUM AFTER EXPOSURE TO 4-NONYLPHENOL
  in Marine environmental research
  (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

• MATOZZO V., TOMEI A., VALSECCHI S., POLESELLO S., MARIN M.G. (literal)

Pagina inizio

• 232 (literal)

Pagina fine

• 233 (literal)

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• 62 (literal)

Rivista

• Marine environmental research (Rivista)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo

• S1 (literal)

Note

• ISI Web of Science (WOS) (literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni

• Department of Biology, University of Padova, Via U. Bassi, 58/B - 35131 Padova, Italy; CNR-IRSA, Via della Mornera, 25 - 20047 Brugherio (MI), Italy (literal)

Titolo

• VITELLOGENIN INDUCTION IN THE CLAM TAPES PHYLIPPINARUM AFTER EXPOSURE TO 4-NONYLPHENOL (literal)

Abstract

• Nonylphenol (NP) is reported to exert estrogenic effects in marine organisms, being able to mimic the action of endogenous estrogens. As a consequence, NP can induce vitellogenin (Vg) synthesis, the major precursor of the egg-yolk proteins. In our previous study [Matozzo and Marin, 2005. Environ. Res., 97, 43-49], we found that exposure for 7 days of the clams Tapes philippinarum to NP caused a dose-related induction of Vg in both haemolymph and digestive gland of males. In the present study, Vg induction was evaluated in sexually undifferentiated clams exposed to NP: for 7 days to 0, 0 + acetone, 0.025, 0.05, 0.1, and 0.2 mg NP/L and for 14 days to 0, 0 + acetone, 0.025, 0.05, and 0.1 mg NP/L. Vg was determined in both haemolymph and digestive gland by the alkali-labile phosphate (ALP) assay. In the haemolymph Ca2+ levels were also measured. Exposure for 7 days to 0.2 mg NP/L resulted in significant increases (p < 0.05) in ALP in both aemolymph and digestive gland with respect to controls, whereas no difference was observed in Ca2+ levels. After 14 days exposure, ALP significantly (p < 0.05) increased in digestive gland from 0.05 and 0.1 mg NP/Lexposed clams. Increases (p < 0.05) in Ca2+ levels were recorded in haemolymph from clams exposed to 0.025 and 0.05 mg NP/L. Results obtained demonstrates that NP induces Vg synthesis in T. philippinarum also far from the reproductive period. As endocrine disruption may cause fertility reduction and alteration in sex ratio, a condition of potential risk for clam populations in estuarine areas is highlighted. This study was supported by grants from Co.Ri.La (Second Research Programme, 2004-2006). (literal)

Prodotto di

• Water research institute (IRSA) (Istituto)
• Macrocostituenti inorganici ed inquinanti organici emergenti nel ciclo idrologico in aree remote e densamente abitate (TA.P03.011.004) (Modulo)

Autore CNR

• SARA MARIA VALSECCHI (Persona)
• STEFANO POLESELLO (Unità di personale interno)

Incoming links:

Prodotto

• Water research institute (IRSA) (Istituto)
• Macrocostituenti inorganici ed inquinanti organici emergenti nel ciclo idrologico in aree remote e densamente abitate (TA.P03.011.004) (Modulo)

Autore CNR di

• STEFANO POLESELLO (Unità di personale interno)
• SARA MARIA VALSECCHI (Persona)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi

• Marine environmental research (Rivista)