Stomata are pores on the surfaces of leaves that function to regulate loss of water for cooling while at the same time facilitating the uptake of carbon dioxide for photosynthesis. A new study shows how stomatal guard cells can sense ultraviolet-A radiation via cGMP signalling to inhibit the opening of these pores in order to reduce transpirational water loss in the short-term.
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| http://dx.doi.org/10.1016/j.cub.2019.06.036 | DOI Listing |
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