Development of the Transgenic Rice Accumulating Flavonoids in Seed by Metabolic Engineering

Ogo, Yuko; Takaiwa, Fumio

doi:10.1002/9781119079972.ch13

Cited by 5 publications

(1 citation statement)

References 94 publications

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“…Recently, in order to create flavone, isoflavone, and flavonol in rice grain, the flavonol (AtF3H/AtFLS), isoflavone (GmIFS), and flavone (PoFNSI/GmFNSII) biosynthetic enzyme genes, as well as OsPAL and OsCHS, were expressed in a seed-specific way. These biosynthetic genes were expressed in seed using the GluB-1 promoter and the 18-kDa oleosin promoter [99]. In another study, the OsCOP1 gene, an ortholog of Arabidopsis thaliana constitutive photomorphogenic 1 (COP1) was introduced in rice using CRISPR-Cas9.…”

Section: Flavonoids In Rice Breedingmentioning

confidence: 99%

Flavonoids: Recent Advances and Applications in Crop Breeding

Nagar¹,

Dey²,

Das³

et al. 2023

Flavonoid Metabolism - Recent Advances and Applications in Crop Breeding

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Flavonoids are secondary metabolites that perform a wide range of roles in plants. These include their involvement in plant growth, pigmentation, and UV protection, to a variety of defense and signaling activities. Flavonoids such as chalcones, flavones, flavanols, anthocyanins, and proanthocyanins are widely distributed in the plant kingdom. The metabolic routes of the flavonoids are exploited extensively using several biotech approaches to enhance the crop variety and incorporate varied nutritional benefits. Many flavonoids are key components of medicinal plants and possess nutritional significance. Specific mutations in flavonoid-related genes are typically responsible for the diversity in flavonoids, resulting in quantitative and qualitative variations in metabolic profiles. Thereby numerous attempts have been made to increase flavonoid content in agronomically important species. Flavonoids are also employed in the regulation of inflammation, in arthritis, and in cancer prevention strategies, due to their ubiquity in the human diet. Advances in the comprehension of flavonoid biosynthesis and modulation have prompted a surge in researches aiming at modifying the flavonoid pathway to improve nutritional value, plant defenses against infections and the feeding value of livestock. This chapter briefly discusses the varied role of flavonoids, their biosynthesis, and their distribution over the plant kingdom. Furthermore, it exclusively highlights the several biotech-based trending pieces of research based on introducing flavonoid biosynthesis in commercial crops.

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Section: Flavonoids In Rice Breedingmentioning

confidence: 99%

Flavonoids: Recent Advances and Applications in Crop Breeding

Nagar¹,

Dey²,

Das³

et al. 2023

Flavonoid Metabolism - Recent Advances and Applications in Crop Breeding

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Flavonoids in major cereal grasses: distribution, functions, biosynthesis, and applications

et al. 2023

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Improving Nutrition through Biofortification - A Systematic Review

Aryee

English

2022

Preprint

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Food and nutrients are important for human growth and development. However, malnutrition and hidden hunger continue to be a challenge globally. In most developing countries, access to adequate food and nutrients has been a challenge. Although hidden hunger is less prevalent in developed countries compared to developing countries, iron (Fe) and zinc (Zn) deficiencies are common. The 2nd Sustainable Development Goal was set to help eradicate malnutrition and hidden hunger. Hidden hunger has led to numerous cases of infant and maternal mortalities, and has greatly impacted growth, development, cognitive ability, and physical working capacity. This has influenced several countries to develop interventions that could help combat malnutrition and hidden hunger. Interventions such as dietary diversification and food supplementation are being adopted. However, fortification mainly biofortification has been projected to be the most sustainable solution to malnutrition and hidden hunger. Plant-based foods (PBFs) form a greater percentage of diets in certain populations hence; fortification of PBFs is relevant in combatting malnutrition and hidden hunger. Agronomic biofortification, plant breeding, and transgenic approaches are some currently used strategies in crops. Crops such as cereals, legumes, oilseeds, vegetables, and fruits have been biofortified through all these three strategies. The transgenic approach is sustainable, efficient, and rapid, making it suitable for biofortification programs. Omics technology has also been introduced to improve the efficiency of the transgenic approach.

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Development of the Transgenic Rice Accumulating Flavonoids in Seed by Metabolic Engineering

Cited by 5 publications

References 94 publications

Flavonoids: Recent Advances and Applications in Crop Breeding

Flavonoids: Recent Advances and Applications in Crop Breeding

Flavonoids in major cereal grasses: distribution, functions, biosynthesis, and applications

Improving Nutrition through Biofortification - A Systematic Review

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