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Letter

Nature Cell Biology 10, 1217–1223 (1 October 2008) | doi:10.1038/ncb1782

The ABC transporter AtABCB14 is a malate importer and modulates stomatal response to CO2

Miyoung Lee , Yongwook Choi , Bo Burla , Yu-Young Kim , Byeongwook Jeon , Masayoshi Maeshima , Joo-Yeon Yoo , Enrico Martinoia & Youngsook Lee

Carbon dioxide uptake and water vapour release in plants occur through stomata, which are formed by guard cells. These cells respond to light intensity, CO2 and water availability, and plant hormones.