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Microtubule reorientation in the blue spotlight: Cutting and CLASPing at dynamic hot spots


Microtubule reorientation into a longitudinal network during the phototropic response in Arabidopsis thaliana depends on their severing by katanin at crossovers. Lindeboom et al. (2019. J. Cell Biol. https://doi.org/10.1083/jcb.201805047) show that at newly generated plus ends, the anti-catastrophe activity of CLASP is essential for further growth.

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