Article
Rice Na+/H+-antiporter Nhx1 partially complements the alkali-metal-cation sensitivity of yeast strains lacking three sodium transporters.
Folia microbiologica - 1 Jan 2004
Kinclová-Zimmermannová O, Flegelová H, Sychrová H
Abstract excerpt
A triple mutant strain of Saccharomyces cerevisiae lacking its own Na+-ATPases and Na+/H+ antiporters (enal-4delta nha1delta nhx1delta) was used for the expression of the Oryza sativa NHX1 gene encoding a putative vacuolar Na+/H+ exchanger. Upon expression in yeast cells, the OsNhx 1p is not a transport system specific only for sodium cations but it has a broad substrate specificity for at least four alkali metal...
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