ArticlePlant molecular biology2005
DcMYB1 acts as a transcriptional activator of the carrot phenylalanine ammonia-lyase gene (DcPAL1) in response to elicitor treatment, UV-B irradiation and the dilution effect.
Article in Plant molecular biology, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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34 citing papers in PubMed, 94 citations in OpenAlex.
- Phenylalanine Ammonia-Lyase: A Core Regulator of Plant Carbon Metabolic Flux Redistribution-From Molecular Mechanisms and Growth Modulation to Stress Adaptability.Plants (Basel, Switzerland) · 2025Review
- Enhancing the medicinal properties and phytochemical content of bitter melon (Momordica charantia L.) through elicitation with brassinosteroid, ethrel, and carrageenan.BMC plant biology · 2024Article
- SlZF3 regulates tomato plant height by directly repressingHorticulture research · 2023Article
- Phytomediated selenium nanoparticles and light regimes elicitedFrontiers in plant science · 2023Article
- Roles of Calcium Signaling in Gene Expression and Photosynthetic Acclimatization ofInternational journal of molecular sciences · 2022Article
- Harnessing genetic resistance to rusts in wheat and integrated rust management methods to develop more durable resistant cultivars.Frontiers in plant science · 2022Review
- Transcriptome Analysis Reveals Candidate Genes Related to Anthocyanin Biosynthesis in Different Carrot Genotypes and Tissues.Plants (Basel, Switzerland) · 2020Article
- Identification and Functional Characterization of a Soybean (Plants (Basel, Switzerland) · 2019Article
- A MYB-Related Transcription Factor fromInternational journal of molecular sciences · 2019Article
- Elicitation as a tool to improve the profiles of high-value secondary metabolites and pharmacological properties of Hypericum perforatum.The Journal of pharmacy and pharmacology · 2019Review
- A Cluster ofFrontiers in plant science · 2018Article
- SG2-Type R2R3-MYB Transcription Factor MYB15 Controls Defense-Induced Lignification and Basal Immunity in Arabidopsis.The Plant cell · 2017Article
- An R2R3-type MYB transcription factor, GmMYB29, regulates isoflavone biosynthesis in soybean.PLoS genetics · 2017Article
- Foliar-applied ethephon enhances the content of anthocyanin of black carrot roots (Daucus carota ssp. sativus var. atrorubens Alef.).BMC plant biology · 2017Article
- Article
- Genomic identification of WRKY transcription factors in carrot (Daucus carota) and analysis of evolution and homologous groups for plants.Scientific reports · 2016Article
- MYB Transcription Factors in Chinese Pear (Pyrus bretschneideri Rehd.): Genome-Wide Identification, Classification, and Expression Profiling during Fruit Development.Frontiers in plant science · 2016Article
- A novel PR10 promoter from Erianthus arundinaceus directs high constitutive transgene expression and is enhanced upon wounding in heterologous plant systems.Molecular biology reports · 2016Article
- Polymorphisms in the AOX2 gene are associated with the rooting ability of olive cuttings.Plant cell reports · 2015Article
- Article
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Authors and funding
5 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Expression of a carrot phenylalanine ammonia-lyase (PAL) gene (DcPAL1) in suspension-cultured carrot cells is induced by treatment with a fungal elicitor, ultraviolet B (UV-B) irradiation, and by transferring and diluting cells with fresh medium (the dilution effect). Box-L-like sequences are known as important cis-elements of genes for enzymes involved in the phenylpropanoid biosynthetic pathway. Six sequences, box-L0 to box-L5, exist in the DcPAL1 gene promoter region. In this study, we isolated cDNA encoding the R2R3 type of MYB transcription factor, DcMYB1, using yeast one-hybrid screening with box-L1 or box-L5 as target elements. DcMYB1 bound to boxes-L0, L1, L3/4, and L5 sequences (ACC(A/T)(A/T)CC) in vitro, and in yeast cells and carrot protoplasts. Transient expression of DcMYB1 could up-regulate DcPAL1 promoter activity in carrot protoplasts. Results of the transient expression experiment for the deletion-mutated promoters of boxes-L0, L1, L3, and L5 suggest that these box-L-like sequences were required for the complete activation of the DcPAL1 promoter by DcMYB1. Expression of DcMYB1 transcripts was induced 0.5 h after elicitor treatment or UV-B irradiation, and 2 h after the dilution effect. Induction of DcPAL1 expression occurred 1 h after DcMYB1 expression in all stress treatments, and repression of DcMYB1 expression by RNA interference caused cessation of the up-regulation of DcPAL1 expression in the elicitor treatment or with UV-B irradiation. These results suggest that DcMYB1 is the main regulatory factor acting on box-L sequences in the DcPAL1 gene that respond to environmental cues.
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