ArticleScientific reports2017
PtoMYB156 is involved in negative regulation of phenylpropanoid metabolism and secondary cell wall biosynthesis during wood formation in poplar.
Article in Scientific reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.
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55 citing papers in PubMed, 137 citations in OpenAlex.
- Article
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- Advances in Genetic Engineering Techniques for Improved Forest Trees: Applications in Biomass, Stress Resilience and Carbon Sequestration.International journal of molecular sciences · 2025Review
- Bioengineered poplar fibres via PagGLR2.8 editing: A synergistic design for high-performance biocomposites.Plant biotechnology journal · 2025Article
- Identification of the RNA m5C methyltransferase genes inForestry research · 2025Article
- Identification of key genes involved in lignin and flavonoid accumulation during Tilia tuan seed maturation.Plant cell reports · 2024Article
- Analyses of high spatial resolution datasets identify genes associated with multi-layered secondary cell wall thickening in Pinus bungeana.Annals of botany · 2024Article
- Genome-Wide Identification and Expression Profiling of Velvet Complex Transcription Factors inInternational journal of molecular sciences · 2024Article
- Transcriptome analysis of the transition from primary to secondary growth of vertical stem in Eucalyptus grandis.BMC plant biology · 2024Article
- Deciphering the intricate hierarchical gene regulatory network: unraveling multi-level regulation and modifications driving secondary cell wall formation.Horticulture research · 2024Article
- Integrated microRNA and whole-transcriptome sequencing reveals the involvement of small and long non-coding RNAs in the fiber growth of ramie plant.BMC genomics · 2023Article
- The transcription factor MYB156 controls the polar stiffening of guard cell walls in poplar.The Plant cell · 2023Article
- Association Mapping and Expression Analysis of the Genes Involved in the Wood Formation of Poplar.International journal of molecular sciences · 2023Article
- MYB24 Negatively Regulates the Biosynthesis of Lignin and Capsaicin by Affecting the Expression of Key Genes in the Phenylpropanoid Metabolism Pathway inMolecules (Basel, Switzerland) · 2023Article
- Single-cell transcriptomics unveils xylem cell development and evolution.Genome biology · 2023Article
- Modulation of lignin biosynthesis for drought tolerance in plants.Frontiers in plant science · 2023Review
- Article
- Overexpression of PtoMYB115 improves lignocellulose recalcitrance to enhance biomass digestibility and bioethanol yield by specifically regulating lignin biosynthesis in transgenic poplar.Biotechnology for biofuels and bioproducts · 2022Article
- De novo transcriptome profiling unveils the regulation of phenylpropanoid biosynthesis in unripe Piper nigrum berries.BMC plant biology · 2022Article
- CRISPR-Based Genome Editing and Its Applications in Woody Plants.International journal of molecular sciences · 2022Review
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6 authors at 1 institution in 1 country.
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Abstract
Some R2R3 MYB transcription factors have been shown to be major regulators of phenylpropanoid biosynthetic pathway and impact secondary wall formation in plants. In this study, we describe the functional characterization of PtoMYB156, encoding a R2R3-MYB transcription factor, from Populus tomentosa. Expression pattern analysis showed that PtoMYB156 is widely expressed in all tissues examined, but predominantly in leaves and developing wood cells. PtoMYB156 localized to the nucleus and acted as a transcriptional repressor. Overexpression of PtoMYB156 in poplar repressed phenylpropanoid biosynthetic genes, leading to a reduction in the amounts of total phenolic and flavonoid compounds. Transgenic plants overexpressing PtoMYB156 also displayed a dramatic decrease in secondary wall thicknesses of xylem fibers and the content of cellulose, lignin and xylose compared with wild-type plants. Transcript accumulation of secondary wall biosynthetic genes was down-regulated by PtoMYB156 overexpression. Transcriptional activation assays revealed that PtoMYB156 was able to repress the promoter activities of poplar CESA17, C4H2 and GT43B. By contrast, knockout of PtoMYB156 by CRISPR/Cas9 in poplar resulted in ectopic deposition of lignin, xylan and cellulose during secondary cell wall formation. Taken together, these results show that PtoMYB156 may repress phenylpropanoid biosynthesis and negatively regulate secondary cell wall formation in poplar.
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