ArticleThe Plant cell2021
Arabidopsis myosin XIK interacts with the exocyst complex to facilitate vesicle tethering during exocytosis.
Article in The Plant cell, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.
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Who cites it
24 citing papers in PubMed, 42 citations in OpenAlex.
- Molecular choreography of vesicle trafficking: Exocyst-SNARE interplay in plant defense.Journal of advanced research · 2026Review
- Unconventional vesicle transport driven by formin-actin-myosin working system during pollen germination.Science advances · 2026Article
- The calmodulin-like proteins, CML13 and CML14 function as myosin light chains for the class XI myosins in Arabidopsis.Plant & cell physiology · 2026Article
- Cytoskeletal control of development and environmental adaptation in plants.Science China. Life sciences · 2026Review
- Molecular insights into the production of extracellular vesicles by plants.Plant physiology · 2026Article
- Article
- Preassembly and independent trafficking of the exocyst complex inProceedings of the National Academy of Sciences of the United States of America · 2025Article
- RabE1a- and SEC10b-mediated exocytosis and AP2β-mediated endocytosis are involved in the intracellular transport of tobamoviruses.Plant biotechnology journal · 2025Article
- Tethering of cellulose synthase complex to the plasma membrane relies on the isoform of EXO70A1 in Arabidopsis.Scientific reports · 2024Article
- Endomembrane trafficking driven by microtubule growth regulates stomatal movement in Arabidopsis.Nature communications · 2024Article
- Myosin XI-mediated BIK1 recruitment to nanodomains facilitates FLS2-BIK1 complex formation during innate immunity inProceedings of the National Academy of Sciences of the United States of America · 2024Article
- A chemical genetic screen with the EXO70 inhibitor Endosidin2 uncovers potential modulators of exocytosis in Arabidopsis.Plant direct · 2024Article
- Cooperative actin filament nucleation by the Arp2/3 complex and formins maintains the homeostatic cortical array in Arabidopsis epidermal cells.The Plant cell · 2024Article
- The damage-associated molecular pattern cellotriose alters the phosphorylation pattern of proteins involved in cellulose synthesis andPlant signaling & behavior · 2023Article
- Actomyosin and CSI1/POM2 cooperate to deliver cellulose synthase from Golgi to cortical microtubules in Arabidopsis.Nature communications · 2023Article
- Exploring the Role of the Plant Actin Cytoskeleton: From Signaling to Cellular Functions.International journal of molecular sciences · 2023Review
- Point mutations in the catalytic domain disrupt cellulose synthase (CESA6) vesicle trafficking and protein dynamics.The Plant cell · 2023Article
- Spatial proteomics of vesicular trafficking: coupling mass spectrometry and imaging approaches in membrane biology.Plant biotechnology journal · 2023Review
- The EXO70 inhibitor Endosidin2 alters plasma membrane protein composition in Arabidopsis roots.Frontiers in plant science · 2023Article
- The sieve-element endoplasmic reticulum: A focal point of phytoplasma-host plant interaction?Frontiers in microbiology · 2023Article
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4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Myosin motors are essential players in secretory vesicle trafficking and exocytosis in yeast and mammalian cells; however, similar roles in plants remain a matter for debate, at least for diffusely growing cells. Here, we demonstrate that Arabidopsis (Arabidopsis thaliana) myosin XIK, via its globular tail domain (GTD), participates in the vesicle tethering step of exocytosis through direct interactions with the exocyst complex. Specifically, myosin XIK GTD bound directly to several exocyst subunits in vitro and functional fluorescently tagged XIK colocalized with multiple exocyst subunits at plasma membrane (PM)-associated stationary foci. Moreover, genetic and pharmacological inhibition of myosin XI activity reduced the rate of appearance and lifetime of stationary exocyst complexes at the PM. By tracking single exocytosis events of cellulose synthase (CESA) complexes with high spatiotemporal resolution imaging and pair-wise colocalization of myosin XIK, exocyst subunits, and CESA6, we demonstrated that XIK associates with secretory vesicles earlier than exocyst and is required for the efficient localization and normal dynamic behavior of exocyst complex at the PM tethering site. This study reveals an important functional role for myosin XI in secretion and provides insights about the dynamic regulation of exocytosis in plants.
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