ArticleBMC plant biology2019
Characterization of a novel litchi R2R3-MYB transcription factor that involves in anthocyanin biosynthesis and tissue acidification.
Article in BMC plant biology, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.
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15 citing papers in PubMed, 52 citations in OpenAlex.
- Integrated transcriptomic and metabolomic analysis reveals regulatory mechanisms underlying coloration differences in the pericarps of two Litchi cultivars.Food chemistry. Molecular sciences · 2025Article
- Integrated metabolomic and transcriptomic analyses elucidate anthocyanin-mediated flesh coloration mechanisms in red-fleshed pear.Frontiers in plant science · 2025Article
- Comparative Transcriptome Analysis Reveals Key Functions of MiMYB Gene Family in Macadamia Nut Pericarp Formation.International journal of molecular sciences · 2024Article
- ABRE-BINDING FACTOR3-WRKY DNA-BINDING PROTEIN44 module promotes salinity-induced malate accumulation in pear.Plant physiology · 2023Article
- Article
- Petunia as a model for MYB transcription factor action under salt stress.Frontiers in plant science · 2023Article
- The Amsterdam petunia germplasm collection: A tool in plant science.Frontiers in plant science · 2023Review
- Anthocyanin Biosynthesis Induced by MYB Transcription Factors in Plants.International journal of molecular sciences · 2022Review
- Evolution and functional diversification of R2R3-MYB transcription factors in plants.Horticulture research · 2022Article
- Glucose Supply Induces PsMYB2-Mediated Anthocyanin Accumulation inFrontiers in plant science · 2022Article
- Functional Characterization ofPlants (Basel, Switzerland) · 2021Article
- The MIR-Domain of PbbHLH2 Is Involved in Regulation of the Anthocyanin Biosynthetic Pathway in "Red Zaosu" (International journal of molecular sciences · 2021Article
- Genome-Wide Analysis Reveals the Potential Role of MYB Transcription Factors in Floral Scent Formation inFrontiers in plant science · 2021Article
- MYB44 competitively inhibits the formation of the MYB340-bHLH2-NAC56 complex to regulate anthocyanin biosynthesis in purple-fleshed sweet potato.BMC plant biology · 2020Article
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8 authors at 2 institutions in 1 country.
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Abstract
backgroundMaturation of litchi (Litchi chinensis) fruit is characterized by dramatic changes in pigments in the pericarp and flavor compounds in the aril. Among them, the biosynthesis of anthocyanins is most noticeable. Previous studies showed that LcMYB1 and LcbHLH transcription factors participated in regulating the anthocyanin biosynthesis in litchi. However, the roles of other MYB factors remain unclear.
resultsIn this study, we cloned and characterized the function of LcMYB5, a novel R2R3-MYB identified from litchi transcriptome. Although LcMYB5 was constitutively expressed in litchi tissues and its expressions was not correlated with tissue coloration, overexpression of LcMYB5 resulted in enhanced biosynthesis of anthocyanins in tobacco and petunia concurrent with the up-regulation of their endogenous bHLHs and key structural genes in anthocyanin precursor biosynthesis. These results indicate that LcMYB5 is an R2R3 transcriptional factor regulates anthocyanin biosynthesis either by directly activating the expression of key structural genes such as DFR or by indirectly up regulating the expressions of endogenous bHLH regulators. More interestingly, the pH values in petals and leaves from transgenic lines were significant lower than those in both untransformed tobacco and petunia, indicating LcMYB5 is also associated with pH regulation. The expressions of LcMYB5 and its bHLH partner LcbHLH1 were consistent with the expression of putative tissue acidification gene LcPH1, and the changes in malic acid provided further evidence for the close relationship between LcMYB5 and tissue acidification.
conclusionsTaking together, our study indicated that LcMYB5 is involved in not only anthocyanin biosynthesis but also tissue acidification.
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