EB1 contributes to microtubule bundling and organization, along with root growth, in Arabidopsis thaliana.

ABSTRACT: Microtubules are involved in plant development and adaptation to their environment, but the sustaining molecular mechanisms remain elusive. Microtubule-end-binding 1 (EB1) proteins participate in directional root growth in Arabidopsis thaliana However, a connection to the underlying microtubule array has not been established yet. We show here that EB1 proteins contribute to the organization of cortical microtubules in growing epidermal plant cells, without significant modulation of microtubule dynamics. Using super-resolution stimulated emission depletion (STED) microscopy and an original quantification approach, we also demonstrate a significant reduction of apparent microtubule bundling in cytoplasmic-EB1-deficient plants, suggesting a function for EB1 in the interaction between a

SUBMITTER: Molines AT 

PROVIDER: S-EPMC6124560 | biostudies-literature | 2018 Aug

REPOSITORIES: biostudies-literature