An overview of the biological production of 1-deoxynojirimycin: current status and future perspective
2019
Zhang, Wenli | Mu, Wanmeng | Wu, Hao | Liang, Zhiqun
1-Deoxynojirimycin (DNJ), a representative iminopyranose, is widely used in anti-diabetic, antioxidant, anti-inflammatory, and anti-obesity applications. It naturally exists in plants, insects, and the culture broth of some microbes as a secondary metabolite product. However, the content of DNJ in plants and insects is relatively low, which is an obstacle to investigating DNJ in terms of structure–function relationships and restricts large-scale industrial production. With the development of micro-biotechnology, the production of DNJ during microbial fermentation has potential for industrial applications. In this review, we primarily focus on the microbial production of DNJ. The review covers sources of DNJ, determination methods, and physiological functions and applications. In a discussion of the efficient production of DNJ microorganisms, we summarize the current methods for DNJ screening and how to guide industrialized large-scale production of DNJ through fermentation regulation strategies. In addition, differences in the biosynthetic pathways of DNJ in different sources are also summarized. Finally, a comparison of DNJ content derived from different sources is discussed.
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