The Control of Growth Symmetry Breaking in the Arabidopsis Hypocotyl

  title={The Control of Growth Symmetry Breaking in the Arabidopsis Hypocotyl},
  author={Alexis Peaucelle and Raymond Wightman and Herman H{\"o}fte},
  journal={Current Biology},
Complex shapes in biology depend on the ability of cells to shift from isotropic to anisotropic growth during development. In plants, this growth symmetry breaking reflects changes in the extensibility of the cell walls. The textbook view is that the direction of turgor-driven cell expansion depends on the cortical microtubule (CMT)-mediated orientation of cellulose microfibrils. Here, we show that this view is incomplete at best. We used atomic force microscopy (AFM) to study changes in cell… CONTINUE READING
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