ArticlePlant signaling & behavior2012
Aberrant microtubule organization in dividing root cells of p60-katanin mutants.
Article in Plant signaling & behavior, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 16 citations in OpenAlex.
- KATANIN is required for the formation of complete preprophase bands and subsequent division positioning in two asymmetric divisions of the maize stomatal complex.Journal of cell science · 2026Article
- KATANIN promotes cell elongation and division to generate proper cell numbers in maize organs.Nature communications · 2026Article
- New Epigenetic Modifier Inhibitors Enhance Microspore Embryogenesis in Bread Wheat.Plants (Basel, Switzerland) · 2024Article
- Cytokinesis inInternational journal of molecular sciences · 2021Article
- Spatiotemporal Pattern of Ectopic Cell Divisions Contribute to Mis-Shaped Phenotype of Primary and Lateral Roots ofFrontiers in plant science · 2020Article
- Cortical microtubule orientation inJournal of biological research (Thessalonike, Greece) · 2018Article
- Katanin: A Sword Cutting Microtubules for Cellular, Developmental, and Physiological Purposes.Frontiers in plant science · 2017Review
- Katanin Effects on Dynamics of Cortical Microtubules and Mitotic Arrays inFrontiers in plant science · 2017Article
- KATANIN 1 Is Essential for Embryogenesis and Seed Formation in Arabidopsis.Frontiers in plant science · 2017Article
- Overexpressed TPX2 causes ectopic formation of microtubular arrays in the nuclei of acentrosomal plant cells.Journal of experimental botany · 2013Article
Corrections and comments
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Authors and funding
2 authors at 1 institution in 1 country.
Funding
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Abstract
Aberrant microtubule organization has been recently recorded in dividing root cells of fra2 and lue1 p60-katanin Arabidopsis thaliana mutants. Here, we report similar defects in the bot1 and ktn1-2 mutants of the same plant, proposing that they constitute a consistent phenotype of p60-katanin mutants. In addition, we show that the Targeting Protein for Xklp2 (TPX2) protein co-localizes with microtubules on the surface of prophase nuclei of the mutants, probably participating in multipolar spindle assembly. As microtubule organization defects are not observed in metaphase/anaphase spindles and initiating phragmoplasts, we also discuss the putative association of the observed aberrations with the nuclear envelope and we emphasize on the mechanism of bipolar metaphase spindle organization in the mutants. It seems that chromosome-mediated spindle assembly, probably minimally dependent on microtubule severing by p60-katanin, dominates after nuclear envelope breakdown, restoring bipolarity.
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