ArticlePlant physiology2007
Isolation of a regulatory gene of anthocyanin biosynthesis in tuberous roots of purple-fleshed sweet potato.
Article in Plant physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 107 papers.
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107 citing papers in PubMed, 284 citations in OpenAlex.
- Heterologous Expression ofPlants (Basel, Switzerland) · 2026Article
- Gene Expression and Secondary Metabolic Regulation Underlying Variegated Leaf Formation in Sweetpotato.Plants (Basel, Switzerland) · 2026Article
- Sweet Potato Gene Clusters Control Anthocyanin Biosynthesis and Leaf Morphology.Plant biotechnology journal · 2026Article
- QTL Mapping and Candidate Gene Prediction for Crude Protein Content in Sweetpotato (Plants (Basel, Switzerland) · 2026Article
- IbMYB1-4 positively regulates purple stem and influences leaf color via dosage effect of gene expression in sweetpotato (Ipomoea batatas (L.) Lam.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Beyond IbMYB1: Identification and Characterization of Two Additional Anthocyanin MYB Activators, IbMYB2 and IbMYB3, in Sweetpotato.Plants (Basel, Switzerland) · 2025Article
- Modulation of lignin and anthocyanin homeostasis by GTP cyclohydrolase1 in maize.Plant biotechnology journal · 2025Article
- Graph pangenome reveals the regulation of malate content in blood-fleshed peach by NAC transcription factors.Genome biology · 2025Article
- Refining polyploid breeding in sweet potato through allele dosage enhancement.Nature plants · 2025Article
- Transcriptomic analyses reveal the potential regulators of the storage root skin color in sweet potato.PeerJ · 2025Article
- Heterologous Expression of MYB Gene (International journal of molecular sciences · 2024Article
- Proximate Composition, Health Benefits, and Food Applications in Bakery Products of Purple-Fleshed Sweet Potato (Antioxidants (Basel, Switzerland) · 2024Review
- Biofortified Rice Provides Rich Sakuranetin in Endosperm.Rice (New York, N.Y.) · 2024Article
- Article
- Overexpression of R2R3-MYB IbMYB1a induces anthocyanin pigmentation in soybean cotyledon.Plant cell reports · 2024Article
- Article
- Anthocyanin Production from Plant Cell and Organ Cultures In Vitro.Plants (Basel, Switzerland) · 2023Review
- Research Progress on Anthocyanin-Mediated Regulation of 'Black' Phenotypes of Plant Organs.Current issues in molecular biology · 2023Review
- A Review of Classification, Biosynthesis, Biological Activities and Potential Applications of Flavonoids.Molecules (Basel, Switzerland) · 2023Review
- Development of an inducible excision system of a visual markerPlant biotechnology (Tokyo, Japan) · 2023Article
47 more citing papers are in PubMed but not listed here.
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Many transcriptional factors harboring the R2R3-MYB domain, basic helix-loop-helix domain, or WD40 repeats have been identified in various plant species as regulators of flavonoid biosynthesis in flowers, seeds, and fruits. However, the regulatory elements of flavonoid biosynthesis in underground organs have not yet been elucidated. We isolated the novel MYB genes IbMYB1 and IbMYB2s from purple-fleshed sweet potato (Ipomoea batatas L. Lam. cv Ayamurasaki). IbMYB1 was predominantly expressed in the purple flesh of tuberous roots but was not detected (or only scarcely) in other anthocyanin-containing tissues such as nontuberous roots, stems, leaves, or flowers. IbMYB1 was also expressed in the tuberous roots of other purple-fleshed cultivars but not in those of orange-, yellow-, or white-fleshed cultivars. Although the orange- or yellow-fleshed cultivars contained anthocyanins in the skins of their tuberous roots, we could not detect IbMYB1 transcripts in these tissues. These results suggest that IbMYB1 controls anthocyanin biosynthesis specifically in the flesh of tuberous roots. The results of transient and stable transformation experiments indicated that expression of IbMYB1 alone was sufficient for induction of all structural anthocyanin genes and anthocyanin accumulation in the flesh of tuberous roots, as well as in heterologous tissues or heterologous plant species.
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