... is shown to stimulate bicarbonate secretion into the lumen through NKCC2 inhibition and precipitate high Ca/Mg ions in seawater in the eel intestine, which enhances water absorption and promotes seawater adaptation. Bicarbonate secretion Euryhaline teleost Gene expression Intestine Molecular...

... gill seawater adaptation Maintenance of an acid–base status within optimal limits is essential for proper cell function. In fishes, the principal regulatory organ for maintenance of blood pH is the gill. Various models of ion transport in the freshwater teleost fish gill have linked proton (H...

...TH. J. M. Schoenmakers; P. M. Verbost; G. Flik; S. E. Wendelaar Bonga ABSTRACT Transepithelial calcium uptake and transcellular calcium uptake mechanisms were compared in the proximal intestine of freshwater- and seawater-adapted tilapia, Oreochromis mossambicus . Stripped intestinal epithelium...