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Stefan Czemmel

Researcher at University of Tübingen

Publications -  25
Citations -  1525

Stefan Czemmel is an academic researcher from University of Tübingen. The author has contributed to research in topics: MYB & Transcription factor. The author has an hindex of 13, co-authored 22 publications receiving 1136 citations. Previous affiliations of Stefan Czemmel include University of Nevada, Reno & Heidelberg University.

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The Grapevine R2R3-MYB Transcription Factor VvMYBF1 Regulates Flavonol Synthesis in Developing Grape Berries

TL;DR: This work characterized the first functional characterization of a light-inducible MYB transcription factor controlling flavonol synthesis in fruit, and identified the previously described SG7 domain and an additional sequence motif conserved in several plant MYB factors.
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The basic helix-loop-helix transcription factor MYC1 is involved in the regulation of the flavonoid biosynthesis pathway in grapevine.

TL;DR: Transient promoter and yeast two-hybrid assays demonstrated that VvMYC1 physically interacts with MYB5a,MYB5b, MYBA1/A2, and MYBPA1 to induce promoters of flavonoid pathway genes involved in anthocyanin and/or proanthocyanidin (PA) synthesis, and transcript levels during berry development correlate with the synthesis ofAnthocyanins and PAs in skins and seeds of berries.
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The R2R3-MYB Transcription Factors MYB14 and MYB15 Regulate Stilbene Biosynthesis in Vitis vinifera

TL;DR: The identification and functional characterization of two stress-inducible R2R3-MYB–type transcription factors from grapevine, termed MYB14 and MYB15, which regulate the stilbene biosynthetic pathway in grapevine are reported.
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R2R3 MYB transcription factors: key regulators of the flavonoid biosynthetic pathway in grapevine.

TL;DR: This review summarizes recent advances in the knowledge of regulatory cascades involved in flavonoid biosynthesis in grapevine with a particular focus on MYB transcription factors as molecular clocks, key regulators and powerful biotechnological tools to identify novel pathway enzymes to optimize flavonoids content and composition in grapes.