Chinese Bulletin of Botany ›› 2010, Vol. 45 ›› Issue (05): 632-639.DOI: 10.3969/j.issn.1674-3466.2010.05.013

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Role of Cytosolic Ions in Stomatal Movement

GAO  Wei, SHANG  Zhong-Lin*   

  1. College of Life Science, Hebei Normal University, Shijiazhuang 050016, China
  • Received:2010-01-05 Revised:2010-03-04 Online:2010-09-01 Published:2010-09-20
  • Contact: Shang Zhong-Lin

Abstract: Stomatal movement is an important topic in plant water metabolism. Inorganic ions in guard cells play a key role in responding to extracellular stimuli and adjusting turgor pressure as a secondary messenger (Ca2+) or an osmotic solute (K+, Cl). Ion channels in plasma and vacuole membranes are targets of various stimuli that modulate stomatal aperture; they are important components in charge of ion transport. Here, we briefly review research progress into ions and ion channels in guard cells.