ArticleBMC biology2016
Arabidopsis PRC1 core component AtRING1 regulates stem cell-determining carpel development mainly through repression of class I KNOX genes.
Article in BMC biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed.
- CRISPR gene editing of AtRING1 unravels a critical role of RAWUL domain in PRC1 repression of transcription.The Plant journal : for cell and molecular biology · 2026Article
- Compound Inflorescence (S) represses fruit growth and seed development in tomato.Molecular horticulture · 2026Article
- The Impact of Polycomb Group Proteins on 3D Chromatin Structure and Environmental Stresses in Plants.Plants (Basel, Switzerland) · 2025Review
- Gametophytic epigenetic regulators, MEDEA and DEMETER, synergistically suppress ectopic shoot formation in Arabidopsis.Plant cell reports · 2024Article
- Identification and expression analysis of the KNOX genes during organogenesis and stress responseness in Camellia sinensis (L.) O. Kuntze.Molecular genetics and genomics : MGG · 2023Article
- The study on interacting factors and functions of GASA6 in Jatropha curcas L.BMC plant biology · 2023Article
- RNA 5-Methylcytosine Modification Regulates Vegetative Development Associated with H3K27 Trimethylation in Arabidopsis.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
- Descriptive Genomic Analysis and Sequence Genotyping of the Two Papaya Species (Vasconcellea pubescens and Vasconcellea chilensis) Using GBS Tools.Plants (Basel, Switzerland) · 2022Article
- Developmental Characteristics and Auxin Response of Epiphytic Root inFrontiers in plant science · 2022Article
- Post-Embryonic Phase Transitions Mediated by Polycomb Repressive Complexes in Plants.International journal of molecular sciences · 2021Review
- Genome-Wide Identification and Analysis of the Polycomb Group Family inInternational journal of molecular sciences · 2021Article
- Comparative transcriptome and coexpression network analysis of carpel quantitative variation in Paeonia rockii.BMC genomics · 2019Article
- Article
- Phytohormone and Chromatin Crosstalk: The Missing Link For Developmental Plasticity?Frontiers in plant science · 2019Article
- Chromatin-Based Regulation of Plant Root Development.Frontiers in plant science · 2018Review
- Developmental transitions: integrating environmental cues with hormonal signaling in the chromatin landscape in plants.Genome biology · 2017Review
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4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundPolycomb repressive complex 2 (PRC2)-catalyzed H3K27me3 marks are tightly associated with the WUS-AG negative feedback loop to terminate floral stem cell fate to promote carpel development, but the roles of Polycomb repressive complex 1 (PRC1) in this event remain largely uncharacterized.
resultsHere we show conspicuous variability in the morphology and number of carpels among individual flowers in the absence of the PRC1 core components AtRING1a and AtRING1b, which contrasts with the wild-type floral meristem consumed by uniform carpel production in Arabidopsis thaliana. Promoter-driven GUS reporter analysis showed that AtRING1a and AtRING1b display a largely similar expression pattern, except in the case of the exclusively maternal-preferred expression of AtRING1b, but not AtRING1a, in the endosperm. Indeterminate carpel development in the atring1a;atring1b double mutant is due to replum/ovule-to-carpel conversion in association with ectopic expression of class I KNOX (KNOX-I) genes. Moreover, AtRING1a and AtRING1b also play a critical role in ovule development, mainly through promoting the degeneration of non-functional megaspores and proper integument formation. Genetic interaction analysis indicates that the AtRING1a/b-regulated KNOX-I pathway acts largely in a complementary manner with the WUS-AG pathway in controlling floral stem cell maintenance and proper carpel development.
conclusionsOur study uncovers a novel mechanistic pathway through which AtRING1a and AtRING1b repress KNOX-I expression to terminate floral stem cell activities and establish carpel cell fate identities.
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