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  4. Microtubule-based perception of mechanical conflicts controls plant organ morphogenesis
 
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Microtubule-based perception of mechanical conflicts controls plant organ morphogenesis

Auteur(s)
Stöckle, Dorothee
Reyes-Hernández, Blanca Jazmin
Vicles Barro, Amaya
Nenadić, Milica
Winter, Zsofiá
Marc-Martin, Sophie 
Institut de biologie 
Bald, Lotte
Ursache, Robertas
Fujita, Satoshi
Maizel, Alexis
Vermeer, Joop 
Institut de biologie 
Date de parution
2022-2-9
In
Science Advances
No
8
De la page
1
A la page
11
Revu par les pairs
1
Résumé
Precise coordination between cells and tissues is essential for differential growth in plants. During lateral root formation in Arabidopsis thaliana, the endodermis is actively remodeled to allow outgrowth of the new organ. Here, we show that microtubule arrays facing lateral root founder cells display a higher order compared to arrays on the opposite side of the same cell, and this asymmetry is required for endodermal remodeling and lateral root initiation. We identify that MICROTUBULE ASSOCIATED PROTEIN 70-5 (MAP70-5) is necessary for the establishment of this spatially defined microtubule organization and endodermis remodeling and thus contributes to lateral root morphogenesis. We propose that MAP70-5 and cortical microtubule arrays in the endodermis integrate the mechanical signals generated by lateral root outgrowth, facilitating the channeling of organogenesis.
Identifiants
https://libra.unine.ch/handle/123456789/30132
_
10.1126/sciadv.abm4974
Type de publication
journal article
Dossier(s) à télécharger
 main article: 2022-07-11_3408_5260.pdf (5.98 MB)
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