ArticleFrontiers in plant science2014
A dynamic meiotic SUN belt includes the zygotene-stage telomere bouquet and is disrupted in chromosome segregation mutants of maize (Zea mays L.).
Article in Frontiers in plant science, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.
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Who cites it
31 citing papers in PubMed.
- Nuclear Entanglement: New Insights Into the Role of Cytoskeleton and Nucleoskeleton in Plant Nuclear Function.Cytoskeleton (Hoboken, N.J.) · 2026Review
- NUP1/NUP136 is essential for obligatory crossover formation during meiosis in Arabidopsis.Genetics · 2026Article
- Identification of the cytoplasmic motor-LINC complex involved in rapid chromosome movements during meiotic prophase in Arabidopsis thaliana.Nature plants · 2025Article
- Rice small protein OsS1Fa1 participates in stress responses as an inner nuclear membrane protein.Plant signaling & behavior · 2024Article
- Rapid meiotic prophase chromosome movements in Arabidopsis thaliana are linked to essential reorganization at the nuclear envelope.Nature communications · 2024Article
- Plant nuclear envelope as a hub connecting genome organization with regulation of gene expression.Nucleus (Austin, Tex.) · 2023Article
- In Depth Topological Analysis of Arabidopsis Mid-SUN Proteins and Their Interaction with the Membrane-Bound Transcription Factor MaMYB.Plants (Basel, Switzerland) · 2023Article
- The scaffold nucleoporins SAR1 and SAR3 are essential for proper meiotic progression inFrontiers in cell and developmental biology · 2023Article
- Bouquet Formation Failure in Meiosis of FPlants (Basel, Switzerland) · 2022Article
- Review
- Evolution and Functional Divergence ofFrontiers in plant science · 2021Article
- Telomeres and Subtelomeres Dynamics in the Context of Early Chromosome Interactions During Meiosis and Their Implications in Plant Breeding.Frontiers in plant science · 2021Review
- The Formation of Bivalents and the Control of Plant Meiotic Recombination.Frontiers in plant science · 2021Review
- Caught in the Act: Live-Cell Imaging of Plant Meiosis.Frontiers in plant science · 2021Review
- Advancing knowledge of the plant nuclear periphery and its application for crop science.Nucleus (Austin, Tex.) · 2020Review
- Recent advances in understanding the biological roles of the plant nuclear envelope.Nucleus (Austin, Tex.) · 2020Article
- Chromosome-nuclear envelope tethering - a process that orchestrates homologue pairing during plant meiosis?Journal of cell science · 2020Review
- The SUN Domain Proteins OsSUN1 and OsSUN2 Play Critical but Partially Redundant Roles in Meiosis.Plant physiology · 2020Article
- The mechanisms and significance of the positional control of centromeres and telomeres in plants.Journal of plant research · 2020Review
- The nuclear envelope in higher plant mitosis and meiosis.Nucleus (Austin, Tex.) · 2019Review
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4 authors.
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Abstract
The nuclear envelope (NE) plays an essential role in meiotic telomere behavior and links the cytoplasm and nucleoplasm during homologous chromosome pairing and recombination in many eukaryotic species. Resident NE proteins including SUN (Sad-1/UNC-84) and KASH (Klarsicht/ANC-1/Syne-homology) domain proteins are known to interact forming the Linker of Nucleoskeleton and Cytoskeleton (LINC) complex that connects chromatin to the cytoskeleton. To investigate the possible cross-kingdom conservation of SUN protein functions in plant meiosis, we immunolocalized maize SUN2 using 3D microscopy of pollen mother cells from maize (Zea mays L.), a large-genome plant model with a canonical NE zygotene-stage telomere bouquet. We detected SUN2 at the nuclear periphery and found that it exhibited a distinct belt-like structure that transitioned to a half-belt during the zygotene stage and back to a full belt during and beyond the pachytene stage. The zygotene-stage half-belt SUN structure was shown by 3D immuno-FISH to include the NE-associated telomere cluster that defines the bouquet stage and coincides with homologous chromosome synapsis. Microtubule and filamentous actin staining patterns did not show any obvious belt or a retracted-like structure other than a general enrichment of tubulin staining distributed widely around the nucleus and throughout the cytoplasm. Genetic disruption of the meiotic SUN belt staining patterns with three different meiosis-specific mutants, desynaptic (dy1), asynaptic1 (as1), and divergent spindle1 (dv1) provides additional evidence for the role of the nuclear envelope in meiotic chromosome behavior. Taking into account all of the observations from this study, we propose that the maize SUN belt is directly or indirectly involved in meiotic telomere dynamics, chromosome synapsis, and possibly integration of signals and forces across the meiotic prophase nuclear envelope.
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