ArticlePlant physiology2011
OsREC8 is essential for chromatid cohesion and metaphase I monopolar orientation in rice meiosis.
Article in Plant physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 77 papers.
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77 citing papers in PubMed, 138 citations in OpenAlex.
- ZEP1 orchestrates template choice and crossover pathways to ensure meiotic genome integrity in rice.The EMBO journal · 2026Article
- A CDC20 allelic series reveals stage-specific control of metaphase-to-anaphase transitions during mitosis and meiosis in rice.Science China. Life sciences · 2026Article
- The HORMA-domain protein ASY1 recruits the plant-specific cyclin SDS to promote DMC1-mediated meiotic recombination.The Plant cell · 2026Article
- TMS5-mediated R-loop dynamics regulate thermosensitive fertility conversion in rice.Nature communications · 2026Article
- Augmented CENH3 loading is accompanied by transcriptional and epigenetic reprogramming at rice centromeres during meiosis.Genome biology · 2026Article
- Harnessing apomixis: natural mechanisms and synthetic innovations for advancing crop and forage breeding.Horticulture research · 2025Article
- CRISPR/Cas-mediated genome editing: playing a versatile role in mitigating the challenges of sustainable rice improvement.3 Biotech · 2025Review
- Molecular and physiological basis of heterosis in hybrid rice performance.Molecular breeding : new strategies in plant improvement · 2025Review
- Advancements in hybrid rice production: improvements in male sterility and synthetic apomixis for sustainable agriculture.Plant biotechnology journal · 2025Review
- Genetic and molecular mechanisms underlying the male sterility in rice.Journal of applied genetics · 2025Review
- Apomixis at high resolution: unravelling diplospory in Asteraceae.Journal of experimental botany · 2025Article
- Article
- ASYNAPSIS3 has diverse dosage-dependent effects on meiotic crossover formation in Brassica napus.The Plant cell · 2024Article
- OsRH52A, a DEAD-box protein, regulates functional megaspore specification and is required for embryo sac development in rice.Journal of experimental botany · 2024Article
- Morphological Study on the Differentiation of Flower Buds and the Embryological Stages of Male and Female Floral Organs inPlants (Basel, Switzerland) · 2024Article
- Article
- RETINOBLASTOMA RELATED 1 switches mitosis to meiosis in rice.Plant communications · 2024Article
- Review
- The RING Domain of Rice HEI10 is Essential for Male, But Not Female Fertility.Rice (New York, N.Y.) · 2024Article
- Exploring Plant Meiosis: Insights from the Kinetochore Perspective.Current issues in molecular biology · 2023Review
17 more citing papers are in PubMed but not listed here.
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Authors and funding
10 authors at 4 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The successful transmission of chromosomes during mitosis and meiosis relies on the establishment and subsequent release of cohesion between replicated chromatids. Cohesion is mediated by a four-subunit structural maintenance of chromosome complex, called cohesins. REC8 is a key component of this meiotic cohesion complex in most model organisms studied to date. Here, we isolated and dissected the functions of OsREC8, a rice (Oryza sativa) REC8 homolog, using two null Osrec8 mutants. We showed that OsREC8 encodes a protein that localized to meiotic chromosomes from approximately meiotic interphase to metaphase I. Homologous pairing and telomere bouquet formation were abnormal in Osrec8 meiocytes. Furthermore, fluorescent in situ hybridization experiments on Osrec8 meiocytes demonstrated that the mutation eliminated meiotic centromeric cohesion completely during prophase I and also led to the bipolar orientation of the kinetochores during the first meiotic division and accordingly resulted in premature separation of sister chromatid during meiosis I. Immunolocalization analyses revealed that the loading of PAIR2, PAIR3, OsMER3, and ZEP1 all depended on OsREC8. By contrast, the presence of the OsREC8 signal in pair2, pair3, Osmer3, and zep1 mutants indicated that the loading of OsREC8 did not rely on these four proteins. These results suggest that OsREC8 has several essential roles in the meiotic processes.
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