ArticlePlant molecular biology2003
Characterisation of Pt MYB1, an R2R3-MYB from pine xylem.
Article in Plant molecular biology, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 78 papers.
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Who cites it
78 citing papers in PubMed, 140 citations in OpenAlex.
- Natural variation in OsMYB305 downregulating cytokinin-mediated inhibition of leaf senescence contributes to regional adaptation in rice.The New phytologist · 2026Article
- Identification of thePlants (Basel, Switzerland) · 2026Article
- Regulation of Flavonoid Biosynthesis by the MYB-bHLH-WDR (MBW) Complex in Plants and Its Specific Features in Cereals.International journal of molecular sciences · 2025Review
- Structure, evolution, and roles of MYB transcription factors proteins in secondary metabolite biosynthetic pathways and abiotic stresses responses in plants: a comprehensive review.Frontiers in plant science · 2025Review
- Unveiling Key Genes and Unique Transcription Factors Involved in Secondary Cell Wall Formation inInternational journal of molecular sciences · 2024Article
- Genotyping SNPs in lignin biosynthesis gene (CAD1) and transcription factors (MYB1 and MYB2) exhibits association with wood density in teak (Tectona grandis L.f.).Molecular biology reports · 2024Article
- Evolutionary studies of the bHLH transcription factors belonging to MBW complex: their role in seed development.Annals of botany · 2023Review
- Analyzing lignin biosynthesis pathways in rattan using improved co-expression networks of NACs and MYBs.BMC plant biology · 2022Article
- Genome-Wide Identification ofInternational journal of molecular sciences · 2022Article
- Characterization and Interaction Analysis of the Secondary Cell Wall Synthesis-Related Transcription FactorInternational journal of molecular sciences · 2022Article
- Full-length transcriptomic identification of R2R3-MYB family genes related to secondary cell wall development in Cunninghamia lanceolata (Chinese fir).BMC plant biology · 2021Article
- Transcriptional analysis of arogenate dehydratase genes identifies a link between phenylalanine biosynthesis and lignin biosynthesis.Journal of experimental botany · 2020Article
- Review
- Phylogenomic Analysis of R2R3 MYB Transcription Factors in Sorghum and their Role in Conditioning Biofuel Syndrome.Current genomics · 2020Article
- Regulation of Lignin Biosynthesis by Post-translational Protein Modifications.Frontiers in plant science · 2020Review
- The BpMYB4 Transcription Factor FromFrontiers in plant science · 2020Article
- Mining genes associated with furanocoumarin biosynthesis in an endangered medicinal plant,Journal of genetics · 2020Article
- Induction of PrMADS10 on the lower side of bent pine tree stems: potential role in modifying plant cell wall properties and wood anatomy.Scientific reports · 2019Article
- SiMYB3 in Foxtail Millet (International journal of molecular sciences · 2019Article
- Expression profiles of cell-wall related genes vary broadly between two common maize inbreds during stem development.BMC genomics · 2019Article
18 more citing papers are in PubMed but not listed here.
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Authors and funding
9 authors at 5 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A cDNA encoding a member of the R2R3-MYB family of transcription factors was cloned from a library constructed from differentiating Pinus taeda (loblolly pine) xylem RNA. This MYB family member, Pinus taeda MYB1 (PtMYB1), was most abundantly expressed in differentiating xylem, as assessed by both ribonuclease protection assays, and by northern blot analysis with poly(A)-enriched RNA. Similar to other plant R2R3-MYB family members, recombinant Pt MYB1 protein was able to bind to AC elements in electrophoretic mobility shift assays (EMSAs). AC elements are DNA motifs rich in adenosine and cytosine that have been implicated in the xylem-localised regulation of genes encoding lignin biosynthetic enzymes. Pt MYB1 not only bound to AC elements, but was also able to induce AC-element-dependent shifts in the electrophoretic mobility of a plant promoter that contains three AC elements, the minimal PHENYLALANINE AMMONIA-LYASE 2 (PAL2) promoter from Phaseolus vulgaris. Transcriptional activation assays conducted using yeast showed that Pt MYB1 also activated transcription, and that it did so in an AC-element-dependent fashion. Pt MYB1 also activated transcription from the minimal PAL2 promoter in plant cells in an AC-element-dependent fashion, as revealed by transient transcriptional activation assays with microprojectile-bombarded tobacco NT-1 cells. Taken together, these finding are consistent with the hypothesis that Pt MYB1 may regulate transcription from cis -acting AC elements in pine xylem.
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