Microtubule Severing at Crossover Sites by Katanin Generates Ordered Cortical Microtubule Arrays in Arabidopsis

@article{Zhang2013MicrotubuleSA,
  title={Microtubule Severing at Crossover Sites by Katanin Generates Ordered Cortical Microtubule Arrays in Arabidopsis},
  author={Quan Zhang and Erica Ann Fishel and Tyler Bertroche and Ram Dixit},
  journal={Current Biology},
  year={2013},
  volume={23},
  pages={2191-2195}
}
The noncentrosomal cortical microtubules (CMTs) of land plants form highly ordered parallel arrays that mediate cell morphogenesis by orienting cellulose deposition [1–3]. Since new CMTs initiate from dispersed cortical sites at random orientations [4], parallel array organization is hypothesized to require selective pruning of CMTs that are not in the dominant orientation. Severing of CMTs at crossover sites is proposed to be a potential pruning mechanism [5]; however, the parameters and… CONTINUE READING
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