ArticleThe Journal of cell biology1997
The Arabidopsis KNOLLE protein is a cytokinesis-specific syntaxin.
Article in The Journal of cell biology, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 191 papers.
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191 citing papers in PubMed, 502 citations in OpenAlex.
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- Stem cell regulators drive a G1 duration gradient during plant root development.Nature plants · 2025Article
- Phosphatidylinositides regulate the cell plate morphology transition during cytokinesis in Arabidopsis.Nature communications · 2025Article
- SYNTAXIN OF PLANTS132 Regulates Root Meristem Activity and Stem Cell Niche Maintenance via RGF-PLT Pathways.International journal of molecular sciences · 2025Article
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- The interplay between cell wall integrity and cell cycle progression in plants.Plant molecular biology · 2023Review
- Identification of genes associated with abiotic stress tolerance in sweetpotato using weighted gene co-expression network analysis.Plant direct · 2023Article
- The phosphoinositide signature guides the final step of plant cytokinesis.Science advances · 2023Article
- NSF/αSNAP2-mediated cis-SNARE complex disassembly precedes vesicle fusion in Arabidopsis cytokinesis.Nature plants · 2023Article
- Genome-Wide Analysis of the SNARE Family in Cultivated Peanut (International journal of molecular sciences · 2023Article
- Adaptor protein complex interaction map in Arabidopsis identifies P34 as a common stability regulator.Nature plants · 2023Article
- A phosphoinositide hub connects CLE peptide signaling and polar auxin efflux regulation.Nature communications · 2023Article
- Subcellular positioning during cell division and cell plate formation in maize.Frontiers in plant science · 2023Article
- Rab GTPases, tethers, and SNAREs work together to regulateFrontiers in plant science · 2023Review
- ADP-ribosylation factor D1 modulates Golgi morphology, cell plate formation, and plant growth in Arabidopsis.Plant physiology · 2022Article
131 more citing papers are in PubMed but not listed here.
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8 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
In higher plant cytokinesis, plasma membrane and cell wall originate by vesicle fusion in the plane of cell division. The Arabidopsis KNOLLE gene, which is required for cytokinesis, encodes a protein related to vesicle-docking syntaxins. We have raised specific rabbit antiserum against purified recombinant KNOLLE protein to show biochemically and by immunoelectron microscopy that KNOLLE protein is membrane associated. Using immunofluorescence microscopy, KNOLLE protein was found to be specifically expressed during mitosis and, unlike the plasma membrane H+-ATPase, to localize to the plane of division during cytokinesis. Arabidopsis dynamin-like protein ADL1 accumulates at the plane of cell plate formation in knolle mutant cells as in wild-type cells, suggesting that cytokinetic vesicle traffic is not affected. Furthermore, electron microscopic analysis indicates that vesicle fusion is impaired. KNOLLE protein was detected in mitotically dividing cells of various parts of the developing plant, including seedling root, inflorescence meristem, floral meristems and ovules, and the cellularizing endosperm, but not during cytokinesis after the male second meiotic division. Thus, KNOLLE is the first syntaxin-like protein that appears to be involved specifically in cytokinetic vesicle fusion.
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