Genome sequence of the ornamental plant Digitalis purpurea reveals the molecular basis of flower color and morphology variation

2024/02/15 by Jakob Maximilian Horz, Katharina Wolff, Ronja Friedhoff +1 · 5 voices · 9 citations
Biochemistry, Genetics and Molecular Biology · Medicine · #Plant Gene Expression Analysis #Plant biochemistry and biosynthesis #Phytochemicals and Antioxidant Activities

paper · pdf · doi:10.1101/2024.02.14.580303

Abstract

Abstract Digitalis purpurea (foxglove) is a widely distributed ornamental plant. Here, we present a long read sequencing-based genome sequence of a magenta flowering D. purpurea plant and a corresponding prediction of gene models. The high assembly continuity is indicated by the N50 of 4.3 Mbp and the completeness is supported by discovery of about 96% complete BUSCO genes. This genomic resource paves the way for an in-depth investigation of the flower pigmentation of D. purpurea . Structural genes of the anthocyanin biosynthesis and the corresponding transcriptional regulators were identified. The comparison of magenta and white flowering plants revealed a large insertion in the anthocyanidin synthase gene in white flowering plants that most likely renders this gene non-functional and could explain the loss of anthocyanin pigmentation. Furthermore, we found a large insertion in the DpTFL1/CEN gene to be likely responsible for the development of large terminal flowers.

Citations

• Automatic annotation of the bHLH gene family in plants

Cited by

• DupyliCate: mining, classifying, and characterizing gene duplications
• Flower color variation in Digitalis purpurea : Pollination and soil influences across native and introduced populations
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Discussions

• The color difference between magenta and white flowers in Digitalis purpurea is linked to a large insertion in the DFR gene of white flowering plants, likely making DFR non-functional and blocking ant [bsky, 16 points, 0 comments]
• You missed the talk but are still interested in the stories? Here is a brief summary: Digitalis pigmentation differences: doi.org/10.1101/2024... Factors explaining anthocyanin loss: doi.org/10.1186/s [bsky, 5 points, 1 comments]
• Genome sequence of Digitalis purpurea reveals molecular basis of flower color and morphology variation doi.org/10.1101/2024... Leaf-expressed TFL1 from coffee with alternate splice forms alters flow [bsky, 4 points, 0 comments]
• Genome sequence of the ornamental plant Digitalis purpurea reveals the molecular basis of flower color and morphology variation doi.org/10.1101/2024... #Genomics #Anthocyanins #OrnamentalPlants #Medi [bsky, 0 points, 0 comments]
• Genome sequence of the ornamental plant Digitalis purpurea reveals the molecular basis of flower color variation doi.org/10.1101/2024... The unique morphological basis and parallel evolutionary hist [bsky, 0 points, 0 comments]

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