Modulating heterologous pathways and optimizing fermentation conditions for biosynthesis of kaempferol and astragalin from naringenin in Escherichia coli
收藏国家林业和草原科学数据中心2022-11-03 更新2024-03-06 收录
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In this study, we constructed efficient biosynthesis pathways for kaempferol and astragalin production using combinatorial strategy, designing synthetic fusion enzymes and increasing gene copy number. By optimizing conversion and fed-batch fermentation conditions, we achieved maximal kaempferol production in BL21-F69-CisF3H at 1184.2 ± 16.5 mg/L, and maximal astragalin production in BL21-AST-II at 1738.5 ± 24.8 mg/L, representing the highest yields of kaempferol or astragalin from naringenin reported to date. These results indicated that this synthesis pathway represents a good candidate for flavonoid biosynthesis in E. coli.
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国家林业和草原科学数据中心
创建时间:
2022-11-03



