Analysis of blue light signaling pathway in stomatal guard cells

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Stomatal pores surrounded by a pair of guard cells in the plant epidermis regulate gas exchange between leaves and the atmosphere. Opening of the stomata allows both CO_2 entry for photosynthesis and the transpiration stream in higher plants. However, the signaling pathways for stomatal opening and closing are largely unknown. In this study, we revealed that signaling components in blue light-induced stomatal opening and abscisic acid-induced stomatal closing.