Overexpression of the Raphanus sativus RsMYB1 using the flower-specific promoter (InMYB1) enhances anthocyanin accumulation in flowers of transgenic Petunia and their hybrids

Naing, Aung Htay; Kang, Hyun Hee; Jeong, Hui Yeong; Soe, May Thu; Xu, Junping; Kim, Chang Kil

doi:10.1007/s11032-020-01176-y

Cited by 5 publications

(3 citation statements)

References 29 publications

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“…Red flowers can be produced by a number of methods; here are a few examples: 1) introducing a structure gene, which is mutated or missing in the host plant (Lee et al 2017; 2) introducing an anthocyanidin promoted transcription factor (Chen et al 2019, Skaliter et al 2019, Naing et al 2020; 3) inhibiting delphinidin accumulation by down-regulating of a structure gene (Marais et al 2010), and 4) combing two or more of the above strategies Brugliera 2014, Kim et al 2018).…”

Section: Modifying Flower Coloursmentioning

confidence: 99%

Advances in the application of biosynthesis and metabolic engineering of flavonoids in plants

WANG¹,

LI²,

Yao³

et al. 2022

Biol. plant.

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Flavonoids are secondary metabolites widely distributed in plants. They not only confer a wide spectrum of pigmentation to plant flowers but also protect plants from various biotic and abiotic stresses. Simultaneously, these compounds also offer health benefits to humans. Significant efforts have been made to correlate specific flavonoid production with biosynthetic pathway gene expression. Some structure genes and transcription factors that regulate the biosynthetic pathway have been identified. However, the diverse and complex control of flavonoid accumulation is still not well understood. In this mini-review, we summarized the improvement of flavonoids by genetic engineering from the aspects of flower colour, plant resistance, and benefits on the human diet. A perspective on flavonoid research in plants is provided.

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Section: Modifying Flower Coloursmentioning

confidence: 99%

Advances in the application of biosynthesis and metabolic engineering of flavonoids in plants

WANG¹,

LI²,

Yao³

et al. 2022

Biol. plant.

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“…109), which constitute the first rapeseed varieties with varying flower colors which can be widely applied in production. Certainly, there are several other important Cruciferae species that are also used as ornamental plants (Figure 6), such as Matthiola incana, which has purple, pink or white flowers [79], Aubrieta x cultorum, with purple, violet or white flowers [80], Cheiranthus allionii, with yellow and orange flower types, Hesperis matronalis with white, lilac, or purple flowers [80], Iberis umbellata, with red and purple-red flowers and spherical inflorescences [81], radish (Raphanus sativus) with red, purple, and white flower types [82], and Heliophila coronopifolia with blue flowers [81]. These species can be used as donors of elite flowering color germplasm into rapeseed by hybridization or transgenic modification.…”

Section: How To Breed Rapeseed Of Different Colorsmentioning

confidence: 99%

Rapeseed as an Ornamental

Xiao

Wang

et al. 2021

Horticulturae

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Rapeseed (Brassica napus) is one of the most important oil crops worldwide. However, an intriguing new use for rapeseed has recently developed: as an ornamental. Tourism based on blossoming fields of these yellow flowers has become a new economic growth opportunity in China. From a breeding perspective, two main problems currently limit the potential of rapeseed as an ornamental. First, the flowering period is quite short (30 days on average), which limits economic income; second, the flower color in commercial cultivars is currently limited to bright yellow, which may pall quickly for sightseers. This review summarizes the possible problems of using rapeseed as an ornamental, and details factors affecting the flowering period, how the flowering period can be prolonged by integrating optimal cultivation measures or/and spraying with chemical reagents, and ways of creating and breeding rapeseed with diverse flower colors.

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“…They are mainly accumulated in the vacuoles of petal epidermal cells and impart to the petals a colorful appearance from light pink to purple [ 10 ]. Color modification of flowers can be achieved by enhancing the accumulation of anthocyanins [ 11 ]. Flavonoids, on the other hand, have auxiliary effects on anthocyanins.…”

Section: Introductionmentioning

confidence: 99%

Transcriptomic Analysis Reveals the Regulatory Mechanism of Color Diversity in Rhododendron pulchrum Sweet (Ericaceae)

Zhu

Zhou

2023

Plants

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Rhododendron pulchrum Sweet is a traditional ornamental plant cultivated in China and presents a great variation in petal coloration. However, few studies have been performed to reveal the genes involved and the regulatory mechanism of flower color formation in this plant. In this study, to explore the underlying genetic basis of flower color formation, transcriptome analysis was performed by high-throughput sequencing techniques on four petal samples of different colors: purple, pink, light pink, and white. Results show that a total of 35.55 to 40.56 million high-quality clean reads were obtained, of which 28.56 to 32.65 million reads were mapped to the reference genome. For their annotation, 28,273, 18,054, 24,301, 19,099, and 11,507 genes were allocated to Nr, Swiss-Prot, Pfam, GO, and KEGG databases, correspondingly. There were differentially expressed genes among the four different petal samples, including signal-transduction-related genes, anthocyanin biosynthesis genes, and transcription factors. We found that the higher expressed levels of genes associated with flavonol synthase (FLS) might be the key to white formation, and the formation of red color may be related to the higher expression of flavanone 4-reductase (DFR) families. Overall, our study provides some valuable information for exploring and understanding the flower color intensity variation in R. pulchrum.

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Overexpression of the Raphanus sativus RsMYB1 using the flower-specific promoter (InMYB1) enhances anthocyanin accumulation in flowers of transgenic Petunia and their hybrids

Cited by 5 publications

References 29 publications

Advances in the application of biosynthesis and metabolic engineering of flavonoids in plants

Advances in the application of biosynthesis and metabolic engineering of flavonoids in plants

Rapeseed as an Ornamental

Transcriptomic Analysis Reveals the Regulatory Mechanism of Color Diversity in Rhododendron pulchrum Sweet (Ericaceae)

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