... not inhibit the increase in pH i , the transepithelial voltage, or the capacity of the isolated tissue to alkalinize the lumen. Finally, the transapical voltage did not significantly respond to luminal pH changes induced either by perfusion with pH 10 or by stopping the luminal perfusion with unbuffered...

... as reflected in net influxes, transepithelial voltages and/or short-circuit currents, while the anterior gills do not actively absorb NaCl. The posterior gills also exhibit augmented expression and ion-motive ATPase activity compared to anterior gills. These differences constitute the basis of the paradigm...

... allatostatin allatotropin anterior stomach head peptide larva midgut mosquito neuropeptide F peristalsis proctolin transepithelial voltage In addition to its conventional roles in food digestion and nutrient absorption, the stomach of mosquito larvae is of critical importance for ionic...

...H. Onken; S. B. Moffett; D. F. Moffett SUMMARY The lumen-negative transepithelial voltage ( V te ) of the isolated and perfused anterior stomach of mosquito larvae ( Aedes aegypti ) was studied with a `semi-open' preparation in which one end of the gut was ligated onto a perfusion pipette...

... voltage cell input resistance transepithelial voltage transepithelial resistance In the past two decades, our laboratory has investigated ion secretion in Malpighian tubules of the female yellow fever mosquito, Aedes aegypti (Beyenbach, 1995 , 2001 ; Beyenbach and Petzel, 1987 ). Our...

... AMP gills hyperosmoregulation perfused gills Na + /K + -ATPase short-circuit current split gill lamellae transepithelial conductance transepithelial voltage Fig. 3. Effect of osmotic manipulations on the hemolymph side of isolated posterior gills on the transepithelial potential...