Article
A rice high-affinity potassium transporter (HKT) conceals a calcium-permeable cation channel.
Proceedings of the National Academy of Sciences of the United States of America - 13 Apr 2010
Lan Wen-Zhi, Wang Wei, Wang Suo-Min, Li Le-Gong, Buchanan Bob B, Lin Hong-Xuan, Gao Ji-Ping, Luan Sheng
Abstract excerpt
Plant high-affinity K(+) transport (HKT) proteins are so named because of their relation to bacterial and fungal transporters that mediate high-affinity K(+) uptake. The view that HKT family members are sodium-selective uniporters or sodium-potassium symporters is widely held. We have found that one of the rice HKT proteins also functions as a Ca(2+)-permeable cation channel that conducts current carried by a...
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