ArticleThe Plant cell2007
Arabidopsis MICROTUBULE-ASSOCIATED PROTEIN18 functions in directional cell growth by destabilizing cortical microtubules.
Article in The Plant cell, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 83 papers.
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Who cites it
83 citing papers in PubMed.
- Review
- Cytoskeletal control of development and environmental adaptation in plants.Science China. Life sciences · 2026Review
- Phase separation of the poplar microtubule-associated protein PagPCaP1a aids microtubule depolymerization in response to high salt.Science advances · 2025Article
- Review
- The cotton protein GhIQD21 interacts with GhCaM7 and modulates organ morphogenesis in Arabidopsis by influencing microtubule stability.Plant cell reports · 2023Article
- PHYTOCHROME INTERACTING FACTOR 4 regulates microtubule organization to mediate high temperature-induced hypocotyl elongation in Arabidopsis.The Plant cell · 2023Article
- HY5 inhibits lateral root initiation in Arabidopsis through negative regulation of the microtubule-stabilizing protein TPXL5.The Plant cell · 2023Article
- Signaling network controlling ROP-mediated tip growth in Arabidopsis and beyond.Plant communications · 2023Review
- The Reduced Longitudinal Growth Induced by Overexpression ofPlants (Basel, Switzerland) · 2021Article
- The microtubule-associated protein WDL4 modulates auxin distribution to promote apical hook opening in Arabidopsis.The Plant cell · 2021Article
- A Novel Putative Microtubule-Associated Protein Is Involved in Arbuscule Development during Arbuscular Mycorrhiza Formation.Plant & cell physiology · 2021Article
- Screening of Key Proteins Affecting Floral Initiation of Saffron Under Cold Stress Using iTRAQ-Based Proteomics.Frontiers in plant science · 2021Article
- AtSEC22 Regulates Cell Morphogenesis via Affecting Cytoskeleton Organization and Stabilities.Frontiers in plant science · 2021Article
- Article
- Salt Stress-Induced Structural Changes Are Mitigated in Transgenic Tomato Plants Over-Expressing Superoxide Dismutase.Biology · 2020Article
- TheThe Plant cell · 2020Article
- ArabidopsisPlant physiology · 2020Article
- AtPPRT1 negatively regulates salt stress response in Arabidopsis seedlings.Plant signaling & behavior · 2020Article
- Arabidopsis IPGA1 is a microtubule-associated protein essential for cell expansion during petal morphogenesis.Journal of experimental botany · 2019Article
- The microtubule cytoskeleton acts as a sensor for stress response signaling in plants.Molecular biology reports · 2019Review
23 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Microtubule-associated proteins (MAPs) play important roles in the regulation of microtubule function in cells. We describe Arabidopsis thaliana MAP18, which binds to microtubules and inhibits tubulin polymerization in vitro and colocalizes along cortical microtubules as patches of dot-like structures. MAP18 is expressed mostly in the expanding cells. Cells overexpressing MAP18 in Arabidopsis exhibit various growth phenotypes with loss of polarity. Cortical microtubule arrays were significantly altered in cells either overexpressing MAP18 or where it had been downregulated by RNA interference (RNAi). The cortical microtubules were more sensitive to treatment with microtubule-disrupting drugs when MAP18 was overexpressed, but more resistant when MAP18 was eliminated in cells expressing MAP18 RNAi. Our study demonstrated that MAP18 may play a role in regulating directional cell growth and cortical microtubule organization by destabilizing microtubules.
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