Abstract
The exopolysaccharides (EPSs) of lactic acid bacteria (LAB) have presented various bioactivities and beneficial characteristics, rendering their vast commercial value and attracting a broad interest of researchers. The diversity of EPS structures contributes to the changes of EPS functions. However, the low yield of EPS of LAB has severely limited these biopolymers’ comprehensive studies and applications in different areas, such as functional food, health and medicine fields. The clarification of biosynthesis mechanism of EPS will accelerate the synthesis and reconstruction of EPS. In recent years, with the development of new genetic manipulation techniques, there has been significant progress in the EPS biosynthesis mechanisms in LAB. In this review, the structure of LAB-derived EPSs, the EPS biosynthesis basic pathways in LAB, the EPS biosynthetic gene cluster, and the regulation mechanism of EPS biosynthesis will be summarized. It will focus on the latest progress in EPS biosynthesis regulation of LAB and provide prospects for future related developments.
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Data availability
All data reported in this review are available in the correspondingly cited articles.
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Yanhua Cui and Shiyuan Dong wrote the main manuscript. Xiaojun Qu prepared Figs. 1, 2 and 3. All authors reviewed the manuscript.
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Cui, Y., Dong, S. & Qu, X. New progress in the identifying regulatory factors of exopolysaccharide synthesis in lactic acid bacteria. World J Microbiol Biotechnol 39, 301 (2023). https://doi.org/10.1007/s11274-023-03756-4
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DOI: https://doi.org/10.1007/s11274-023-03756-4