Control of epithelial Cl(-) secretion by basolateral osmolality in the euryhaline teleost Fundulus heteroclitus.

@article{Marshall2000ControlOE,
  title={Control of epithelial Cl(-) secretion by basolateral osmolality in the euryhaline teleost Fundulus heteroclitus.},
  author={William S Marshall and Sharon E. Bryson and Thia Luby},
  journal={The Journal of experimental biology},
  year={2000},
  volume={203 Pt 12},
  pages={
          1897-905
        }
}
Euryhaline teleost fish adapt rapidly to salinity change and reduce their rate of ion secretion on entry to fresh water. Killifish (Fundulus heteroclitus) transferred from full-strength sea water to fresh water showed large reductions in plasma [Na(+)] and osmolality at 6 h which were corrected by 24 h. To mimic this in vitro, a hypotonic shock of 20-70 mosmol kg(-)(1) was applied on the basolateral side of opercular epithelia. This hypotonic shock reversibly reduced the short-circuit current… CONTINUE READING

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