ArticlePlant physiology2008
Myosin XI-K Is required for rapid trafficking of Golgi stacks, peroxisomes, and mitochondria in leaf cells of Nicotiana benthamiana.
Article in Plant physiology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 106 papers.
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Who cites it
106 citing papers in PubMed, 225 citations in OpenAlex.
- Accelerated organelle movements can indirectly affect the motility of other organelles in plant cells.Journal of cell science · 2026Article
- Recessive antimorph alleles reveal novel functions of the Opaque1 myosin XI in maize.Plant physiology · 2026Article
- Role of GhMyoVIII2 in regulating the fruit branch angle revealed by integrated bioinformatic, expression, and VIGS analyses in upland cotton.Functional & integrative genomics · 2026Article
- Multifactorial analysis of simultaneous organelle movement reveals cell-specific motility of peroxisomes and mitochondria.Plant physiology · 2026Article
- Myosin VIII and XI isoforms interact with the Agrobacterium VirE2 protein and facilitate its transport from the plasma membrane to the perinuclear region during plant transformation.Plant communications · 2026Article
- Dynamics of full-length Arabidopsis myosin XI and its involvement in actin remodeling.Plant & cell physiology · 2025Article
- The polar code for patterning: how polarity and the cytoskeleton orchestrate asymmetric cell division during plant development.Frontiers in cell and developmental biology · 2025Review
- CHUP1 restricts chloroplast movement and effector-triggered immunity in epidermal cells.The New phytologist · 2024Article
- The actomyosin system is essential for the integrity of the endosomal system in bloodstream formeLife · 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
- Unraveling the fastest myosin: Discovery history and structure-function relationships of algaeBiophysics and physicobiology · 2024Review
- Visualizing the dynamics of plant energy organelles.Biochemical Society transactions · 2023Article
- Actomyosin and CSI1/POM2 cooperate to deliver cellulose synthase from Golgi to cortical microtubules in Arabidopsis.Nature communications · 2023Article
- Hitchhiking Across Kingdoms: Cotransport of Cargos in Fungal, Animal, and Plant Cells.Annual review of cell and developmental biology · 2022Review
- Light-induced displacement of PLASTID MOVEMENT IMPAIRED1 precedes light-dependent chloroplast movements.Plant physiology · 2022Article
- Light-dependent phosphorylation of THRUMIN1 regulates its association with actin filaments and 14-3-3 proteins.Plant physiology · 2021Article
- Constriction of endoplasmic reticulum tubules by the viral movement protein BMB2 is associated with local BMB2 anchorage at constriction sites.Plant signaling & behavior · 2021Article
- Lipid Body Dynamics in Shoot Meristems: Production, Enlargement, and Putative Organellar Interactions and Plasmodesmal Targeting.Frontiers in plant science · 2021Article
- Unravelling the molecular basis of the dominant negative effect of myosin XI tails on P-bodies.PloS one · 2021Article
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46 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 3 institutions in 1 country.
Funding
Abstract
A prominent feature of plant cells is the rapid, incessant movement of the organelles traditionally defined as cytoplasmic streaming and attributed to actomyosin motility. We sequenced six complete Nicotiana benthamiana cDNAs that encode class XI and class VIII myosins. Phylogenetic analysis indicates that these two classes of myosins diverged prior to the radiation of green algae and land plants from a common ancestor and that the common ancestor of land plants likely possessed at least seven myosins. We further report here that movement of Golgi stacks, mitochondria, and peroxisomes in the leaf cells of N. benthamiana is mediated mainly by myosin XI-K. Suppression of myosin XI-K function using dominant negative inhibition or RNA interference dramatically reduced movement of each of these organelles. When similar approaches were used to inhibit functions of myosin XI-2 or XI-F, only moderate to marginal effects were observed. Organelle trafficking was virtually unaffected in response to inhibition of each of the three class VIII myosins. Interestingly, none of the tested six myosins appears to be involved in light-induced movements of chloroplasts. Taken together, these data strongly suggest that myosin XI-K has a major role in trafficking of Golgi stacks, mitochondria, and peroxisomes, whereas myosins XI-2 and XI-F might perform accessory functions in this process. In addition, our analysis of thousands of individual organelles revealed independent movement patterns for Golgi stacks, mitochondria, and peroxisomes, indicating that the notion of coordinated cytoplasmic streaming is not generally applicable to higher plants.
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