Journal
CARBOHYDRATE POLYMERS
Volume 273, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.carbpol.2021.118597
Keywords
Curdlan biosynthesis; Regulatory mechanisms; UDP-glucose; Biological activity
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Funding
- National Key Research and Devel-opment Program of China [2018YFA0900300]
- Tianjin Synthetic Biotechnology Innovation Capacity Improvement Project [TSBICIP-CXRC-029]
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This review discusses the biosynthetic pathways, regulatory mechanisms, and metabolic engineering strategies for curdlan production, as well as introduces the emerging applications of curdlan. The challenges and future directions in curdlan biosynthesis are also highlighted.
Curdlan is widely applied in the food and pharmaceutical industries. This review focuses on the biosynthetic pathways, regulatory mechanisms and metabolic engineering strategies for curdlan production. Firstly, curdlan biosynthesis is discussed. Furthermore, various strategies to increase curdlan production are summarized from four aspects, including the overexpression of genes for curdlan biosynthesis, weakening/knockdown of genes from competing pathways, increasing the supply of curdlan precursors, and optimization of fermentation conditions. Moreover, the emerging and advanced applications of curdlan are introduced. Finally, the challenges that are frequently encountered during curdlan biosynthesis are noted with a discussion of directions for curdlan production.
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