ArticleBMC plant biology2018
Auxin controls circadian flower opening and closure in the waterlily.
Article in BMC plant biology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed, 94 citations in OpenAlex.
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- The adaptive role and molecular mechanism of thermoregulated corolla opening and closure in the alpine species Gentiana rigescens.BMC plant biology · 2026Article
- Genome-wide analysis of expansin and aquaporin genes and their association with auxin-related metabolites during flower opening inFrontiers in plant science · 2026Article
- The Gentiana rigescens genome and transcriptome for the investigation of flower repetitive blooming.BMC biology · 2025Article
- Integrated Transcriptomic and Metabolomic Analysis Reveals Biochar-Induced Enhancement of Growth and Secondary Metabolism in the Medicinal PlantInternational journal of molecular sciences · 2025Article
- Gravitropic Gene Expression Divergence Associated With Adaptation to Contrasting Environments in an Australian Wildflower.Molecular ecology · 2025Article
- Photoperiod and Light Spectrum Modulate Daily Rhythms and Expression of Genes Involved in Cell Proliferation, DNA Repair, Apoptosis and Oxidative Stress in a Seabream Embryonic Stem Cell Line.Marine biotechnology (New York, N.Y.) · 2025Article
- Transcriptomic and metabolomic profiling reveals molecular regulatory network involved in flower development and phenotypic changes in two3 Biotech · 2024Article
- DNA methylome analysis reveals novel insights into active hypomethylated regulatory mechanisms of temperature-dependent flower opening inHorticulture research · 2024Article
- Special Issue "Phytohormones: Important Participators in Plant Growth and Development".International journal of molecular sciences · 2024Article
- Integrated GWAS, linkage, and transcriptome analysis to identify genetic loci and candidate genes for photoperiod sensitivity in maize.Frontiers in plant science · 2024Article
- Article
- Recent advances in auxin biosynthesis and homeostasis.3 Biotech · 2023Review
- Article
- Advances on the Study of Diurnal Flower-Opening Times of Rice.International journal of molecular sciences · 2023Review
- Genome-wide identification of Aux/IAA and ARF gene families reveal their potential roles in flower opening of Dendrobium officinale.BMC genomics · 2023Article
- Comparative transcriptome analysis reveals the regulatory mechanisms of two tropical water lilies in response to cold stress.BMC genomics · 2023Article
- An integrated transcriptome and metabolome analysis reveals the gene network regulating flower development inFrontiers in plant science · 2023Article
- Transcriptome Analysis Revealing the Interaction of Abscisic Acid and Cell Wall Modifications during the Flower Opening and Closing Process ofInternational journal of molecular sciences · 2022Article
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
Abstract
backgroundFlowers open at sunrise and close at sunset, establishing a circadian floral movement rhythm to facilitate pollination as part of reproduction. By the coordination of endogenous factors and environmental stimuli, such as circadian clock, photoperiod, light and temperature, an appropriate floral movement rhythm has been established; however, the underlying mechanisms remain unclear.
resultsIn our study, we use waterlily as a model which represents an early-diverging grade of flowering plants, and we aim to reveal the general mechanism of flower actions. We found that the intermediate segment of petal cells of waterlily are highly flexible, followed by a circadian cell expansion upon photoperiod stimuli. Auxin causes constitutively flower opening while auxin inhibitor suppresses opening event. Subsequent transcriptome profiles generated from waterlily's intermediate segment of petals at different day-time points showed that auxin is a crucial phytohormone required for floral movement rhythm via the coordination of YUCCA-controlled auxin synthesis, GH3-mediated auxin homeostasis, PIN and ABCB-dependent auxin efflux as well as TIR/AFB-AUX/IAA- and SAUR-triggered auxin signaling. Genes involved in cell wall organization were downstream of auxin events, resulting in the output phenotypes of rapid cell expansion during flower opening and cell shrinkage at flower closure stage.
conclusionsCollectively, our data demonstrate a central regulatory role of auxin in floral movement rhythm and provide a global understanding of flower action in waterlily, which could be a conserved feature of angiosperms.
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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.