Uncoupling Cell Junctions in a Glandular Epithelium by Depolarizing Current

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Science  30 Apr 1971:
Vol. 172, Issue 3982, pp. 492-494
DOI: 10.1126/science.172.3982.492


The high electrical conductance linking adjacent border cells in Chironomus salivary gland is depressed reversibly when current is passed outward from one of the cells, though not when current is passed inward. This "uncoupling" is closely associated with an electrically induced increase in conductance in the (nonjunctional) membrane of that cell.