ArticleMolecular genetics and genomics : MGG2003
Characterization of a MYBR2R3 gene from black spruce (Picea mariana) that shares functional conservation with maize C1.
Article in Molecular genetics and genomics : MGG, 2003. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 30 citations in OpenAlex.
- Assembly and annotation of the black spruce genome provide insights on spruce phylogeny and evolution of stress response.G3 (Bethesda, Md.) · 2023Article
- TRANSPARENT TESTA GLABRA 1-Dependent Regulation of Flavonoid Biosynthesis.Plants (Basel, Switzerland) · 2017Review
- Identification of Norway Spruce MYB-bHLH-WDR Transcription Factor Complex Members Linked to Regulation of the Flavonoid Pathway.Frontiers in plant science · 2017Article
- Flavonoids: biosynthesis, biological functions, and biotechnological applications.Frontiers in plant science · 2012Article
- Subgroup 4 R2R3-MYBs in conifer trees: gene family expansion and contribution to the isoprenoid- and flavonoid-oriented responses.Journal of experimental botany · 2010Article
- An R2R3 MYB transcription factor associated with regulation of the anthocyanin biosynthetic pathway in Rosaceae.BMC plant biology · 2010Article
- DkMyb4 is a Myb transcription factor involved in proanthocyanidin biosynthesis in persimmon fruit.Plant physiology · 2009Article
- Conifer R2R3-MYB transcription factors: sequence analyses and gene expression in wood-forming tissues of white spruce (Picea glauca).BMC plant biology · 2007Article
- Comparative genome mapping among Picea glauca, P. mariana x P. rubens and P. abies, and correspondence with other Pinaceae.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2006Article
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4 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
PCR amplification with degenerate primers targeted to highly conserved amino acid motifs within the MYB domain was used to demonstrate that black spruce (Picea mariana) possesses a diverse MYB gene family. Amino acid sequence comparisons revealed three broad MYB subfamilies, one of which shares extensive similarity with maize C1, a central regulator of anthocyanin biosynthesis. A cDNA clone encoding a MYBR2R3 protein from P. mariana with high levels of sequence homology to maize C1 was shown to transactivate the Bz2 promoter in combination with maize R in embryonal tissues of both black spruce and larch. Functional dependence on the maize R protein, and the presence of a conserved C-terminal GIDPxTH motif, support the conservation of MYBR2R3 function in conifers, and demonstrate that the basic components of MYBR2R3-dependent transcriptional regulation have been conserved between angiosperms and gymnosperms.
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