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A Steep Dependence of Inward-Rectifying Potassium Channels on Cytosolic Free Calcium Concentration Increase Evoked by Hyperpolarization in Guard Cells

Inactivation of inward-rectifying K(+) channels (I(K,in)) by a rise in cytosolic free [Ca(2+)] ([Ca(2+)](i)) is a key event leading to solute loss from guard cells and stomatal closure. However, [Ca(2+)](i) action on I(K,in) has never been quantified, nor are its origins well understood. We used mem...

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Hlavní autoři: Grabov, Alexander, Blatt, Michael R.
Médium: Artigo
Jazyk:Inglês
Vydáno: American Society of Plant Physiologists 1999
Témata:
On-line přístup:https://ncbi.nlm.nih.gov/pmc/articles/PMC32230/
https://ncbi.nlm.nih.gov/pubmed/9880370
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