ArticleThe Plant cell2010
The Arabidopsis floral homeotic proteins APETALA3 and PISTILLATA negatively regulate the BANQUO genes implicated in light signaling.
Article in The Plant cell, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 52 papers.
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Who cites it
52 citing papers in PubMed, 87 citations in OpenAlex.
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- Beware of Sealing Film of Petri Dishes!-Alters the Expression of a Large Number of Genes.International journal of molecular sciences · 2025Article
- Genome-wide association mapping dissects the selective breeding of determinacy and photoperiod sensitivity in common bean (Phaseolus vulgaris L.).G3 (Bethesda, Md.) · 2025Article
- The homeotic gene PhDEF regulates production of volatiles in petunia flowers by activating EOBI and EOBII.The Plant cell · 2025Article
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- A spatially resolved multiomic single-cell atlas of soybean development.bioRxiv : the preprint server for biology · 2024Article
- Genome-Wide Identification of Sorghum Paclobutrazol-Resistance Gene Family and Functional Characterization ofInternational journal of molecular sciences · 2024Article
- Genome-wide identification and characterization of flowering genes in Citrus sinensis (L.) Osbeck: a comparison among C. Medica L., C. Reticulata Blanco, C. Grandis (L.) Osbeck and C. Clementina.BMC genomic data · 2024Article
- Overexpression of SlPRE3 alters the plant morphologies in Solanum lycopersicum.Plant cell reports · 2023Article
- Identification and Characterization ofInternational journal of molecular sciences · 2023Article
- Characterization of Transcriptome Dynamics during Early Fruit Development in Olive (International journal of molecular sciences · 2023Article
- Predictable and stable epimutations induced during clonal plant propagation with embryonic transcription factor.PLoS genetics · 2022Article
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- Overexpression of GhKTI12 Enhances Seed Yield and Biomass Production in Nicotiana Tabacum.Genes · 2022Article
- Transcriptomics analysis reveals the signal transduction mechanism of brassinolides in tea leaves and its regulation on the growth and development of Camellia sinensis.BMC genomics · 2022Article
- Fine Mapping and Candidate Gene Analysis ofFrontiers in plant science · 2022Article
- Genome-Wide Identification of Apple Atypical bHLH Subfamily PRE Members and Functional Characterization of MdPRE4.3 in Response to Abiotic Stress.Frontiers in genetics · 2022Article
- Deciphering Novel Transcriptional Regulators of Soybean Hypocotyl Elongation Based on Gene Co-expression Network Analysis.Frontiers in plant science · 2022Article
- Basic Helix-Loop-Helix (bHLH) Transcription Factors Regulate a Wide Range of Functions in Arabidopsis.International journal of molecular sciences · 2021Review
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3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The Arabidopsis thaliana MADS box transcription factors APETALA3 (AP3) and PISTILLATA (PI) heterodimerize and are required to specify petal identity, yet many details of how this regulatory process is effected are unclear. We have identified three related genes, BHLH136/BANQUO1 (BNQ1), BHLH134/BANQUO2 (BNQ2), and BHLH161/BANQUO3 (BNQ3), as being directly and negatively regulated by AP3 and PI in petals. BNQ1, BNQ2, and BNQ3 encode products belonging to a family of atypical non-DNA binding basic helix-loop-helix (bHLH) proteins that heterodimerize with and negatively regulate bHLH transcription factors. We show that bnq3 mutants have pale-green sepals and carpels and decreased chlorophyll levels, suggesting that BNQ3 has a role in regulating light responses. The ap3 bnq3 double mutant displays pale second-whorl organs, supporting the hypothesis that BNQ3 is downstream of AP3. Consistent with a role in light response, we show that the BNQ gene products regulate the function of HFR1 (for LONG HYPOCOTYL IN FAR-RED1), which encodes a bHLH protein that regulates photomorphogenesis through modulating phytochrome and cryptochrome signaling. The BNQ genes also are required for appropriate regulation of flowering time. Our results suggest that petal identity is specified in part through downregulation of BNQ-dependent photomorphogenic and developmental signaling pathways.
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