ArticlePlant signaling & behavior2008
14-3-3 isoforms participate in red light signaling and photoperiodic flowering.
Article in Plant signaling & behavior, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 15 citations in OpenAlex.
- Genome-Wide Identification and Evolution of the GRF Gene Family and Functional Characterization ofInternational journal of molecular sciences · 2023Article
- Genome-Wide Identification and Expression Analysis of the 14-3-3 (TFT) Gene Family in Tomato, and the Role ofPlants (Basel, Switzerland) · 2022Article
- Comprehensive Identification and Analyses of the GRF Gene Family in the Whole-Genome of Four Juglandaceae Species.International journal of molecular sciences · 2022Article
- BnGF14-2c Positively Regulates Flowering via the Vernalization Pathway in Semi-Winter Rapeseed.Plants (Basel, Switzerland) · 2022Article
- The role of 14-3-3 proteins in plant growth and response to abiotic stress.Plant cell reports · 2022Review
- Genome-Wide Identification and Expression Analysis of theInternational journal of molecular sciences · 2022Article
- Ghd2, a CONSTANS-like gene, confers drought sensitivity through regulation of senescence in rice.Journal of experimental botany · 2016Article
- The mitogen-activated protein kinase phosphatase PHS1 regulates flowering in Arabidopsis thaliana.Planta · 2016Article
- 14-3-3 regulates 1-aminocyclopropane-1-carboxylate synthase protein turnover in Arabidopsis.The Plant cell · 2013Article
- 14-3-3 phosphoprotein interaction networks - does isoform diversity present functional interaction specification?Frontiers in plant science · 2012Article
Corrections and comments
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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
Members of the 14-3-3 family of proteins participate in signal transduction by modulating flux through various pathways. Potential subfunctionalization within this family has produced a suite of related proteins with diverse client interactions and discrete localization. The associated study assesses the biological roles of two specific 14-3-3 isoforms, using genetic, biochemical and physiological assays to ascertain potential nodes of interaction. Arabidopsis T-DNA insertion mutants representing the nu and mu isoforms exhibited a short, yet clear delay in flowering time on long days. Tests of hypocotyl growth inhibition under narrow bandwidth light indicated a hyposensitivity to red light, while responses to blue and far-red light were normal. These physiological tests suggest a mechanistic link between 14-3-3 proteins, red light sensing, and the pathways that control photoperiodic flowering. The precise entry point into the pathway was assessed using yeast two hybrid assays targeted against specific proteins active in the circadian oscillator, light transduction and photoperiodic flowering. Yeast two hybrid interaction was observed with CONSTANS (CO), and then confirmed with coimmunoprecipitation. Functional interaction with phyB leading to defects in flowering time and direct interaction with CONSTANS circumstantially places these specific 14-3-3 isoforms into the pathway that regulates the transition between vegetative and floral development.
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