Open AccessFunctional Analysis of Arabidopsis NHX Antiporters: The Role of the Vacuole in Cellular Turgor and Growth
Author(s) -
Nancy A. Eckardt,
Gerald A. Berkowitz
Publication year - 2011
Publication title -
the plant cell
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.324
H-Index - 341
eISSN - 1532-298X
pISSN - 1040-4651
DOI - 10.1105/tpc.111.230914
Subject(s) - arabidopsis , biology , turgor pressure , vacuole , antiporters , silique , plant growth , microbiology and biotechnology , botany , biochemistry , gene , cytoplasm , mutant , transporter
Intracellular Na+/H+ antiporters (NHXs) play important roles in maintaining homeostasis of Na+ and K+. In plants, NHXs direct the movement of Na+ or K+ across the tonoplast and into the vacuole (or other organelles) by catalyzing the exchange of Na+ and/or K+ for H+. The electrochemical H+ gradients
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