Wild Arctic char (Salvelinus alpinus) upregulate gill Na+,K+-ATPase during freshwater migration.

@article{Bystriansky2007WildAC,
  title={Wild Arctic char (Salvelinus alpinus) upregulate gill Na+,K+-ATPase during freshwater migration.},
  author={Jason Scott Bystriansky and Natasha Therese Frick and Jeffrey G. Richards and Patricia M Schulte and James Ballantyne},
  journal={Physiological and biochemical zoology : PBZ},
  year={2007},
  volume={80 3},
  pages={270-82}
}
The successful acclimation of eurhyhaline fishes from seawater to freshwater requires the gills to stop actively secreting ions and start actively absorbing ions. Gill Na(+),K(+)-ATPase is known to be an integral part of the active ion secretion model of marine fishes, but its importance in the active ion uptake model of freshwater fishes is less clear. This study, conducted in the high Arctic, examines gill Na(+),K(+)-ATPase regulation in wild anadromous arctic char returning to freshwater… CONTINUE READING

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