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Recent advances on production of 2, 3-butanediol using engineered microbes
- Yang, Zhiliang, Zhang, Zisheng
- Biotechnology advances 2019 v.37 no.4 pp. 569-578
- feedstocks, genetic engineering, hosts, industry, lignocellulose, metabolic engineering, microorganisms
- As a significant platform chemical, 2, 3-butanediol (2, 3-BD) has found wide applications in industry. The success of microbial 2, 3-BD production was limited by the use of pathogenic microorganisms and low titer in engineered hosts. The utilization of cheaply available feedstock such as lignocellulose was another major challenge to achieve economic production of 2, 3-BD. To address those issues, engineering strategies including both genetic modifications and process optimization have been employed. In this review, we summarized the state-of-the-art progress in the biotechnological production of 2, 3-BD. Metabolic engineering and process engineering strategies were discussed.