Article
Poplar potassium transporters capable of controlling K+ homeostasis and K+-dependent xylogenesis.
The Plant journal : for cell and molecular biology - 1 Dec 2002
Langer Katharina, Ache Peter, Geiger Dietmar, Stinzing Andrea, Arend Matthias, Wind Christa, Regan Sharon, Fromm Jörg, Hedrich Rainer
Abstract excerpt
The cambial K+ content of poplar increases during the growth period in a K+ supply dependent manner. Upon K+ starvation or application of tetraethylammoniumchloride (TEA+), a K+ channel blocker, the average vessel lumen and expansion zone area were significantly reduced. In search for the molecular basis of potassium-dependent xylogenesis in poplar, K+ transporters homologous to those of known function in...
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