ArticleThe Plant cell2023
The OPAQUE1/DISCORDIA2 myosin XI is required for phragmoplast guidance during asymmetric cell division in maize.
Article in The Plant cell, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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Who cites it
15 citing papers in PubMed, 25 citations in OpenAlex.
- Recessive antimorph alleles reveal novel functions of the Opaque1 myosin XI in maize.Plant physiology · 2026Article
- The calmodulin-like proteins, CML13 and CML14 function as myosin light chains for the class XI myosins in Arabidopsis.Plant & cell physiology · 2026Article
- Interaction Between Actin and Microtubules During Plant Development.Cytoskeleton (Hoboken, N.J.) · 2026Review
- Better together: the transcription factor MUTE aggregates into nuclear condensates to regulate stomatal development in maize.The Plant cell · 2026Article
- KATANIN promotes cell elongation and division to generate proper cell numbers in maize organs.Nature communications · 2026Article
- Cytoskeletal control of development and environmental adaptation in plants.Science China. Life sciences · 2026Review
- Molecular regulation of asymmetric cell division in dicots: insights from Arabidopsis development.Molecular biology reports · 2025Review
- The polar code for patterning: how polarity and the cytoskeleton orchestrate asymmetric cell division during plant development.Frontiers in cell and developmental biology · 2025Review
- De novo TANGLED1 recruitment from the phragmoplast to aberrant cell plate fusion sites in maize.Journal of cell science · 2024Article
- Four-dimensional quantitative analysis of cell plate development in Arabidopsis using lattice light sheet microscopy identifies robust transition points between growth phases.Journal of experimental botany · 2024Article
- Article
- Charting the course of asymmetric cell division in maize: The crucial role of OPAQUE1 in guiding the phragmoplast.The Plant cell · 2023Article
- Cortical microtubules contribute to division plane positioning during telophase in maize.The Plant cell · 2023Article
- Article
- Cell biology of primary cell wall synthesis in plants.The Plant cell · 2022Review
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9 authors at 4 institutions in 1 country.
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Abstract
Formative asymmetric divisions produce cells with different fates and are critical for development. We show the maize (Zea mays) myosin XI protein, OPAQUE1 (O1), is necessary for asymmetric divisions during maize stomatal development. We analyzed stomatal precursor cells before and during asymmetric division to determine why o1 mutants have abnormal division planes. Cell polarization and nuclear positioning occur normally in the o1 mutant, and the future site of division is correctly specified. The defect in o1 becomes apparent during late cytokinesis, when the phragmoplast forms the nascent cell plate. Initial phragmoplast guidance in o1 is normal; however, as phragmoplast expansion continues o1 phragmoplasts become misguided. To understand how O1 contributes to phragmoplast guidance, we identified O1-interacting proteins. Maize kinesins related to the Arabidopsis thaliana division site markers PHRAGMOPLAST ORIENTING KINESINs (POKs), which are also required for correct phragmoplast guidance, physically interact with O1. We propose that different myosins are important at multiple steps of phragmoplast expansion, and the O1 actin motor and POK-like microtubule motors work together to ensure correct late-stage phragmoplast guidance.
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