ArticlePlant physiology2023
Rice GLUCAN SYNTHASE-LIKE5 promotes anther callose deposition to maintain meiosis initiation and progression.
Article in Plant physiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 22 citations in OpenAlex.
- Variation at the ZmCALS5 promoter regulates maize pollen fertility by modulating ZmABI4 binding affinity.The New phytologist · 2026Article
- The meiotic achilles' heel: vulnerability and resilience under environmental stress.Protoplasma · 2026Review
- Rapid chromosome movements persist within nuclear protrusions in Arabidopsis thaliana meiocytes.Protoplasma · 2026Article
- CaZAT5 delays the flowering time in tomato and affects pollen viability and anther dehiscence.PLoS genetics · 2026Article
- The invisible cytomixis: how a cytological phenomenon can be misinterpreted or totally overlooked.Planta · 2025Review
- Genomic Signatures of Environmental Adaptation inPlants (Basel, Switzerland) · 2025Article
- Pollen-pistil interactions in divergent wide crosses lead to spatial and temporal pre-fertilization reproductive barrier in flax (Linum usitatissimum L.).Scientific reports · 2025Article
- Callose deficiency modulates plasmodesmata frequency and extracellular distance in rice pollen mother and tapetal cells.Annals of botany · 2024Article
- RETINOBLASTOMA RELATED 1 switches mitosis to meiosis in rice.Plant communications · 2024Article
- Unusual nuclear structures in male meiocytes of wild-type rye as revealed by volume microscopy.Annals of botany · 2023Article
- Glucan Synthase-like 2 is Required for Seed Initiation and Filling as Well as Pollen Fertility in Rice.Rice (New York, N.Y.) · 2023Article
- BOTRYOID POLLEN 1 regulates ROS-triggered PCD and pollen wall development by controlling UDP-sugar homeostasis in rice.The Plant cell · 2023Article
- Genetic Regulation of Mitosis-Meiosis Fate Decision in Plants: Is Callose an Oversighted Polysaccharide in These Processes?Plants (Basel, Switzerland) · 2023Review
- The multifarious role of callose and callose synthase in plant development and environment interactions.Frontiers in plant science · 2023Review
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Callose is a plant cell wall polysaccharide whose deposition is spatiotemporally regulated in various developmental processes and environmental stress responses. The appearance of callose in premeiotic anthers is a prominent histological hallmark for the onset of meiosis in flowering plants; however, the biological role of callose in meiosis remains unknown. Here, we show that rice (Oryza sativa) GLUCAN SYNTHASE LIKE5 (OsGSL5), a callose synthase, localizes on the plasma membrane of pollen mother cells (PMCs) and is responsible for biogenesis of callose in anther locules through premeiotic and meiotic stages. In Osgsl5 mutant anthers mostly lacking callose deposition, aberrant PMCs accompanied by aggregated, unpaired, or multivalent chromosomes were frequently observed and, furthermore, a considerable number of mutant PMCs had untimely progress into meiosis compared to that of wild-type PMCs. Immunostaining of meiosis-specific protein HOMOLOGOUS PAIRING ABERRATION IN RICE MEIOSIS2 in premeiotic PMCs revealed precocious meiosis entry in Osgsl5 anthers. These findings provide insights into the function of callose in controlling the timing of male meiosis initiation and progression, in addition to roles in microsporogenesis, in flowering plants.
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