Auxin paves the way for planar morphogenesis.
basic_science · Level V
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- Record sourced from PubMed, PMID 20887889.
- Also identified by DOI 10.1016/j.cell.2010.09.029.
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Abstract
The coordinated growth of epidermal cells in plant leaves creates the characteristic jigsaw puzzle appearance of the pavement cells. Now, Xu et al. (2010) report that AUXIN-BINDING PROTEIN 1 mediates auxin activation of two GTPase pathways that antagonistically control planar morphogenesis of leaf epidermal cells to create this distinctive pattern.