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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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| Hauptverfasser: | , |
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| Format: | Artigo |
| Sprache: | Inglês |
| Veröffentlicht: |
American Society of Plant Physiologists
1999
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| Schlagworte: | |
| Online Zugang: | https://ncbi.nlm.nih.gov/pmc/articles/PMC32230/ https://ncbi.nlm.nih.gov/pubmed/9880370 |
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