Table of Contents
Agronomy, Volume 10, Issue 9 (September 2020) – 232 articles
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Cover Story (view full-size image) Blueberries are one of the richest sources of antioxidants, such as anthocyanins, among fruits and [...] Read more. Blueberries are one of the richest sources of antioxidants, such as anthocyanins, among fruits and vegetables. The characteristic dark blue color of the fruit is a result of the accumulation of anthocyanins in the skin of the berry. In this study, we used pink-fruited ‘Pink Lemonade’ to further our understanding of anthocyanin biosynthesis in blueberry and attempt to identify the affected gene in this mutant. Expression analysis of the metabolic structural genes combined with bioinformatic analyses led to the isolation and sequencing of a regulatory gene: the transcription factor MYB1. The presence of sequence variants in the MYB1 gene, along with changes in the highly conserved features of the sequence, provide a mechanistic explanation for the mutant phenotype. Collectively, these results provide valuable information on the regulation of flavonoid biosynthesis in blueberry. View this paper