Subcellular and supracellular mechanical stress prescribes cytoskeleton behavior in Arabidopsis cotyledon pavement cells

@inproceedings{Sampathkumar2014SubcellularAS,
  title={Subcellular and supracellular mechanical stress prescribes cytoskeleton behavior in Arabidopsis cotyledon pavement cells},
  author={Arun Sampathkumar and Pawel Krupinski and Raymond Wightman and Pascale Milani and Alexandre Berquand and Arezki Boudaoud and Olivier Hamant and Henrik J{\"o}nsson and Elliot M. Meyerowitz},
  booktitle={eLife},
  year={2014}
}
Although it is a central question in biology, how cell shape controls intracellular dynamics largely remains an open question. Here, we show that the shape of Arabidopsis pavement cells creates a stress pattern that controls microtubule orientation, which then guides cell wall reinforcement. Live-imaging, combined with modeling of cell mechanics, shows that microtubules align along the maximal tensile stress direction within the cells, and atomic force microscopy demonstrates that this leads to… CONTINUE READING

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thaliana cotyledon pavement cells

  • Q Zhang, E Fishel, T Bertroche, R. Dixit
  • BMC Plant Biology
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Highly Influential
2 Excerpts

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