ArticlePlanta2008
Cortical microtubules mark the mucilage secretion domain of the plasma membrane in Arabidopsis seed coat cells.
Article in Planta, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.
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Who cites it
41 citing papers in PubMed, 73 citations in OpenAlex.
- N-terminal phosphorylation inhibits Arabidopsis katanin and affects vegetative and reproductive development in opposite ways.bioRxiv : the preprint server for biology · 2026Article
- The epidermis coordinates multi-scale symmetry breaking in chiral root growth.Nature communications · 2025Article
- NKS1/ELMO4 is an integral protein of a pectin synthesis protein complex and maintains Golgi morphology and cell adhesion inProceedings of the National Academy of Sciences of the United States of America · 2024Article
- Plant Trans-Golgi Network/Early Endosome pH regulation requires Cation Chloride Cotransporter (CCC1).eLife · 2022Article
- A G protein-coupled receptor-like module regulates cellulose synthase secretion from the endomembrane system in Arabidopsis.Developmental cell · 2021Article
- Pectin Dependent Cell Adhesion Restored by a Mutant Microtubule Organizing Membrane Protein.Plants (Basel, Switzerland) · 2021Article
- FRA1 Kinesin Modulates the Lateral Stability of Cortical Microtubules through Cellulose Synthase-Microtubule Uncoupling Proteins.The Plant cell · 2020Article
- Seed coat development in explosively dispersed seeds of Cardamine hirsuta.Annals of botany · 2020Article
- Lateral mechanical impedance rather than frontal promotes cortical expansion of roots.Plant signaling & behavior · 2020Article
- Organization of Xylan Production in the Golgi During Secondary Cell Wall Biosynthesis.Plant physiology · 2019Article
- Separating Golgi Proteins fromThe Plant cell · 2019Article
- A Hybrid Approach Enabling Large-Scale Glycomic Analysis of Post-Golgi Vesicles Reveals a Transport Route for Polysaccharides.The Plant cell · 2019Article
- TRM4 is essential for cellulose deposition in Arabidopsis seed mucilage by maintaining cortical microtubule organization and interacting with CESA3.The New phytologist · 2019Article
- Inhibition of TOR Represses Nutrient Consumption, Which Improves Greening after Extended Periods of Etiolation.Plant physiology · 2018Article
- Ectopic expression of a novel OsExtensin-like gene consistently enhances plant lodging resistance by regulating cell elongation and cell wall thickening in rice.Plant biotechnology journal · 2018Article
- Post-Golgi Trafficking and Transport of Cell Wall Components.Frontiers in plant science · 2018Review
- The plant secretory pathway seen through the lens of the cell wall.Protoplasma · 2017Review
- Article
- Role of Glycosyltransferases in Pollen Wall Primexine Formation and Exine Patterning.Plant physiology · 2017Article
- Golgi-localized STELLO proteins regulate the assembly and trafficking of cellulose synthase complexes in Arabidopsis.Nature communications · 2016Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
During their differentiation Arabidopsis thaliana seed coat cells undergo a brief but intense period of secretory activity that leads to dramatic morphological changes. Pectic mucilage is secreted to one domain of the plasma membrane and accumulates under the primary cell wall in a ring-shaped moat around an anticlinal cytoplasmic column. Using cryofixation/transmission electron microscopy and immunofluorescence, the cytoskeletal architecture of seed coat cells was explored, with emphasis on its organization, function and the large amount of pectin secretion at 7 days post-anthesis. The specific domain of the plasma membrane where mucilage secretion is targeted was lined by abundant cortical microtubules while the rest of the cortical cytoplasm contained few microtubules. Actin microfilaments, in contrast, were evenly distributed around the cell. Disruption of the microtubules in the temperature-sensitive mor1-1 mutant affected the eventual release of mucilage from mature seeds but did not appear to alter the targeted secretion of vesicles to the mucilage pocket, the shape of seed coat cells or their secondary cell wall deposition. The concentration of cortical microtubules at the site of high vesicle secretion in the seed coat may utilize the same mechanisms required for the formation of preprophase bands or the bands of microtubules associated with spiral secondary cell wall thickening during protoxylem development.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.