Cytokinin signaling regulates pavement cell morphogenesis in Arabidopsis

  title={Cytokinin signaling regulates pavement cell morphogenesis in Arabidopsis},
  author={Hongjiang Li and Tongda Xu and Deshu Lin and Mingzhang Wen and Mingtang Xie and J{\'e}r{\^o}me Duclercq and Agnieszka Bielach and Jungmook Kim and G. Venugopala Reddy and Jianru Zuo and Eva Benkov{\'a} and Jiř{\'i} Friml and Hongwei Guo and Zhenbiao Yang},
  journal={Cell Research},
The puzzle piece-shaped Arabidopsis leaf pavement cells (PCs) with interdigitated lobes and indents is a good model system to investigate the mechanisms that coordinate cell polarity and shape formation within a tissue. Auxin has been shown to coordinate the interdigitation by activating ROP GTPase-dependent signaling pathways. To identify additional components or mechanisms, we screened for mutants with abnormal PC morphogenesis and found that cytokinin signaling regulates the PC… CONTINUE READING
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