Light regulation of stomatal movement

Ken Ichiro Shimazaki, Michio Doi, Sarah M. Assmann, Toshinori Kinoshita

Research output: Contribution to journalReview articlepeer-review

698 Scopus citations


Stomatal pores, each surrounded by a pair of guard cells, regulate CO 2 uptake and water loss from leaves. Stomatal opening is driven by the accumulation of K+ salts and sugars in guard cells, which is mediated by electrogenic proton pumps in the plasma membrane and/or metabolic activity. Opening responses are achieved by coordination of light signaling, light-energy conversion, membrane ion transport, and metabolic activity in guard cells. In this review, we focus on recent progress in blue- and red-light-dependent stomatal opening. Because the blue-light response of stomata appears to be strongly affected by red light, we discuss underlying mechanisms in the interaction between blue-light signaling and guard cell chloroplasts.

Original languageEnglish (US)
Pages (from-to)219-247
Number of pages29
JournalAnnual Review of Plant Biology
StatePublished - 2007

All Science Journal Classification (ASJC) codes

  • Physiology
  • Molecular Biology
  • Plant Science
  • Cell Biology


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