... ) 14 3 2003 © The Company of Biologists Limited 2003 2003 vacuolar ATPase V-ATPase portasome bafilomycin Na + /K + -ATPase serotonin 5-hydroxytryptamine regulation assembly immunocytochemistry insect blowfly Calliphora vicina . The salivary glands of the blowfly...

... uptake and ionic regulation. Binding of an antibody to H+ V-ATPase subunit E colocalizes with ‘portasomes’ (approximately 10 nm in diameter), which are thought to correspond to the V 1 part of the H+ V-ATPase. In gastric caeca (pH 8), both antibody-binding sites and portasomes are located apically...