Potassium‐selective channel in the red beet vacuolar membrane
II Pottosin, M Martínez‐Estévez… - Journal of …, 2003 - academic.oup.com
Journal of experimental botany, 2003•academic.oup.com
In higher plants the vacuolar K+‐selective (VK) channel was identified solely in guard cells.
This patch‐clamp study describes a 40 pS homologue of the VK channel in Beta vulgaris
taproot vacuoles. This voltage‐independent channel is activated by submicromolar Ca2+,
and is ideally selective for K+ over Cl–and Na+.
This patch‐clamp study describes a 40 pS homologue of the VK channel in Beta vulgaris
taproot vacuoles. This voltage‐independent channel is activated by submicromolar Ca2+,
and is ideally selective for K+ over Cl–and Na+.
Abstract
In higher plants the vacuolar K+‐selective (VK) channel was identified solely in guard cells. This patch‐clamp study describes a 40 pS homologue of the VK channel in Beta vulgaris taproot vacuoles. This voltage‐independent channel is activated by submicromolar Ca2+, and is ideally selective for K+ over Cl– and Na+.
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