Reorganization of the plant cytoskeleton is thought to play an important role during nodule ontogeny. In situ immunolocalisation of tubulin reveals that important cytoskeletal changes, implying a transient disorganization followed by a newly patterned reorganization, occur in indeterminate and determinate nodules. In alfalfa nodules, cytoskeletal changes closely parallel the symbiotic differentiation features related to cell infection, bacterial release, endopolyploidization, cell enlargement, cell spatial organization and organelle ultrastructure and positioning. Moreover, the fact that microtubule disorganization can be correlated with Nod factor internalization in central infected cells suggests that Nod factors are possibly involved in the control of cytoskeletal changes which direct the differentiation of bacteria-containing cells.
Nod factor internalization and microtubular cytoskeleton changes occur concomitantly during nodule differentiation in alfalfa
A.C. Timmers, M.C. Auriac, F. de Billy, G. Truchet; Nod factor internalization and microtubular cytoskeleton changes occur concomitantly during nodule differentiation in alfalfa. Development 1 February 1998; 125 (3): 339–349. doi: https://doi.org/10.1242/dev.125.3.339
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Our successful webinar series continues in 2021, with early-career researchers presenting their papers and a chance to virtually network with the developmental biology community afterwards. Here, Krisztina Ötvös tells us about the role link between nitrogen, auxin and root cell divisions.
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The people behind the papers - Vincent Mouilleau, Célia Vaslin and Stéphane Nedelec
First authors, Vincent Mouilleau and Célia Vaslin, and their supervisor Stéphane Nedelec, talk about their latest work on HOX regulation, its potential clinical impact and where the story will take the Nedelec lab.
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The Immune System in Development and Regeneration
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