... against the cloned UT revealed that, among the nephron segments, the UT is expressed exclusively in the final segment of the bundle zone, i.e. in the collecting tubule of the Triakis kidney. In contrast to the limited localization of UT, the transport enzyme Na + /K + -ATPase is distributed...

...Nadja Møbjerg; Erik Hviid Larsen; Ivana Novak SUMMARY We studied the mechanisms of K + transport in cells from isolated and perfused collecting tubules and ducts from the mesonephric kidney of the toad Bufo bufo . Cells were impaled with microelectrodes across the basal cell membrane...