TY - JOUR AB - Roots grow downwards parallel to the gravity vector, to anchor a plant in soil and acquire water and nutrients, using a gravitropic mechanism dependent on the asymmetric distribution of the phytohormone auxin. Recently, Chang et al. demonstrate that asymmetric distribution of another phytohormone, cytokinin, directs root growth towards higher water content. AU - Sinclair, Scott A AU - Friml, Jiří ID - 7143 JF - Cell Research SN - 1001-0602 TI - Defying gravity: a plant's quest for moisture VL - 29 ER -