Upregulation of the MYB2 Transcription Factor Is Associated with Increased Accumulation of Anthocyanin in the Leaves of Dendrobium bigibbum.

Abstract excerpt

Orchids with colorful leaves and flowers have significant ornamental value. Here, we used γ-irradiation-based mutagenesis to produce a Dendrobium bigibbum mutant that developed purple instead of the normal green leaves. RNA sequencing of the mutant plant identified 2513 differentially expressed genes, including 1870 up- and 706 downregulated genes. The purple leaf color of mutant leaves was associated with...

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