... dogfish. To further investigate this putative base-secretive process we performed similar experiments with the addition of colchicine, an inhibitor of cytoskeleton-dependent cellular trafficking processes. Blood pH and plasma total CO 2 were significantly higher in the colchicines-treated,HCO 3 - -infused...

.... In the euryhaline green shore crab Carcinus maenas , active excretion of ammonia across isolated gills is reduced by inhibitors of the Na + /K + -ATPase and vacuolar-type H + -ATPase. In addition, a functional dynamic microtubule network is necessary, since application of colchicine, taxol or thiabendazole leads...

... agglutinin (WGA, 40 ng ml −1 ) to the ambient water for 30 min, but the staining pattern of the actin filaments was not changed. The fluorescence intensity of the microtubules in the gills was decreased by treatment with the microtubule-disrupting reagent colchicine at 0.2 mmol l −1 for 4 h. WGA treatment...