Plant microtubules align along directions of anisotropic mechanical stress. Live cell imaging of epidermal pavement cells reveals that cellulose synthase complexes (CSCs) are present in regions of anisotropic mechanical stress in patterns similar to those of microtubules. The coupling of microtubules and CSCs hampers the response of microtubules to mechanical stresses.
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References
Sampathkumar, A. et al. Subcellular and supracellular mechanical stress prescribes cytoskeleton behavior in Arabidopsis cotyledon pavement cells. elife 3, e01967 (2014). This paper establishes a relationship between mechanical stress and microtubules in pavement cells.
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Eng, R. C. et al. KATANIN and CLASP function at different spatial scales to mediate microtubule response to mechanical stress in Arabidopsis cotyledons. Curr. Biol. 31, 3262–3274 (2021). The paper serves as the basis for the development of the long-term imaging approaches used in the current study.
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This is a summary of: Schneider, R. et al. Tethering of cellulose synthase to microtubules dampens mechano-induced cytoskeletal organization in Arabidopsis pavement cells. Nat. Plants https://doi.org/10.1038/s41477-022-01218-7 (2022).
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Cellulose synthase complexes–microtubules interaction hinders mechano-response. Nat. Plants 8, 988–989 (2022). https://doi.org/10.1038/s41477-022-01221-y
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DOI: https://doi.org/10.1038/s41477-022-01221-y
