Mechanisms for zinc acclimation in freshwater rainbow trout

Christer Hogstrand, Chris M. Wood

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

A sublethal effect of zinc exposure in freshwater fish is the inhibition of calcium uptake. However, calcium also inhibits zinc uptake and this inhibition has been found to be competitive (Spry D.J. & Wood C.M. (1989). J. Exp. Biol., 142, 425-446). The subject of the acclimation of aquatic animals to metals is well researched, but there is, as yet, no simple answer as to how this acclimation is accomplished. The objectives of the present study were to characterize the interactions of zinc on calcium uptake kinetics, and to investigate if a restoration of calcium influx was associated with zinc acclimation. In addition, the possible involvement of metallothionein and a reduced zinc influx in the acclimation process was studied.

Original languageEnglish (US)
Pages (from-to)131-135
Number of pages5
JournalMarine Environmental Research
Volume39
Issue number1-4
DOIs
StatePublished - 1995

ASJC Scopus subject areas

  • Oceanography
  • Aquatic Science
  • Pollution

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