Gas exchange between the plant and the atmosphere depends on the opening of pores located primarily on the surfaces of leaves. A protein that regulates pore opening in response to both atmospheric CO2 concentrations and blue light has now been identified.
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Serna, L. Opening the door to CO2. Nat Cell Biol 8, 311–312 (2006). https://doi.org/10.1038/ncb0406-311
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DOI: https://doi.org/10.1038/ncb0406-311
