Methylglucosylation Of Phenolic Compounds By F.ungal Glycosyltransferase-Methyltransferase Functional Modules
文献类型: 外文期刊
作者: Wang, Chen;Yue, Qun;Xu, Yuquan;Xu, Yuquan;Li, Jiancheng;Bai, Jing;Xie, Linan;Zhang, Liwen;Zhang, Min
作者机构:
关键词: glycosyltransferase; methylglycosylation; combinatorial biosynthesis; Hypocreales fungi; flavonoid
期刊名称: JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY
ISSN: 0021-8561
年卷期: 2019 年 67 卷 31 期
页码:
摘要: Glycosylation endows both natural and synthetic small molecules with modulated physicochemical and biological properties. Plant and bacterial glycosyltransferases capable of decorating various privileged scaffolds have been extensively studied, but those from kingdom Fungi still remain underexploited. Here, we use a combination of genome mining and heterologous expression techniques to identify four novel glycosyltransferase-methyltransferase (GT-MT) functional modules from Hypocreales fungi. These GT-MT modules display decent substrate promiscuity and regiospecificity, methylglucosylating a panel of natural products such as flavonoids, stilbenoids, anthraquinones, and benzenediol lactones. Native GT-MT modules can be split up and regrouped into hybrid modules with similar or even improved efficacy as compared with native pairs. Methylglucosylation of kaempferol considerably improves its insecticidal activity against the larvae of oriental armyworm Mythimna separata (Walker). Our work provides a set of efficient biocatalysts for the combinatorial biosynthesis of small molecule glycosides that may have significant importance to the pharmaceutical, agricultural, and food industries.
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