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Relationship of non-protein thiol pools and accumulated Cd or Hg in the marine macrophyte Posidonia oceanica (L.) Delile
Maserti, B.E.; Ferrillo, V.; Avdis, O.; Nesti, U.; Di Garbo, A.; Catsiki, A.; Maestrini, P.L. (2005). Relationship of non-protein thiol pools and accumulated Cd or Hg in the marine macrophyte Posidonia oceanica (L.) Delile. Aquat. Toxicol. 75(3): 288-292. dx.doi.org/10.1016/j.aquatox.2005.08.008
In: Aquatic Toxicology. Elsevier Science: Tokyo; New York; London; Amsterdam. ISSN 0166-445X, more
Peer reviewed article  

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Keywords
    Coenzymes; Sea grass; Trace metals; Posidonia oceanica (Linnaeus) Delile, 1813 [WoRMS]; Marine

Authors  Top 
  • Maserti, B.E.
  • Ferrillo, V.
  • Avdis, O.
  • Nesti, U.
  • Di Garbo, A.
  • Catsiki, A.
  • Maestrini, P.L.

Abstract
    The accumulation of cadmium or mercury and the effect of these elements on the levels of non-protein thiols in the blades of the marine macrophyte Posidonia oceanica were investigated. A significant accumulation of cadmium or mercury, dependent on metal concentration supplied, was observed in metal-treated blades. In the blades treated either with cadmium or mercury, a significant increase in the levels of non-protein thiols (other than glutathione) and a marked depletion of the reduced glutathione content as a function of the metal, exposure time and metal concentration supplied were found. This investigation provides first experimental report on the relationship between non-protein thiol pools and accumulated cadmium or mercury in P. oceanica.

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