Inhibition of Na+/H+ Antiport Activity in Sugar Beet Tonoplast by Analogs of Amiloride
- 1 September 1987
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 85 (1), 30-33
- https://doi.org/10.1104/pp.85.1.30
Abstract
The effects of amiloride and a series of amiloride analogs have been tested on the Na+/H+ antiport activity in intact vacuoles and tonoplast vesicles isolated from sugar beet [Beta vulgaris] cell suspension cultures. There is a competitive interaction between amiloride analogs and sodium. Substitution of one or both H-atoms of the 5-amino group of amiloride (apparent Ki about 150 micromolar) resulted in a 3- to 200-fold increase in inhibitory potency of the antiport activity.This publication has 12 references indexed in Scilit:
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