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Tonoplast K+ channels in Arabidopsis thaliana are activated by cytoplasmic ATP
R Colombo1, R Cerana, L Giromini
1Dipartimento di Biologia, Università degli Studi di Milano, Italy.
Biochemical and Biophysical Research Communications
|April 29, 1994
Abstract:
The effect of ATP on the slow vacuolar cation channels in the tonoplast of suspension-cultured cells of Arabidopsis thaliana L. was examined using the patch clamp technique in the whole-vacuole configuration. The channels were specifically activated by cytoplasmic ATP, other nucleotides (ADP, GTP and nonhydrolizable ATP analogues) being ineffective.