Article
Mechanical stress acts via katanin to amplify differences in growth rate between adjacent cells in Arabidopsis.
Cell - 13 Apr 2012
Uyttewaal Magalie, Burian Agata, Alim Karen, Landrein Benoît, Borowska-Wykręt Dorota, Dedieu Annick, Peaucelle Alexis, Ludynia Michał, Traas Jan, Boudaoud Arezki, Kwiatkowska Dorota, Hamant Olivier
Abstract excerpt
The presence of diffuse morphogen gradients in tissues supports a view in which growth is locally homogenous. Here we challenge this view: we used a high-resolution quantitative approach to reveal significant growth variability among neighboring cells in the shoot apical meristem, the plant stem cell niche. This variability was strongly decreased in a mutant impaired in the microtubule-severing protein katanin....
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