Toward improved terpenoids biosynthesis: strategies to enhance the capabilities of cell factories

Author:

Fordjour Eric,Mensah Emmanuel Osei,Hao Yunpeng,Yang Yankun,Liu Xiuxia,Li Ye,Liu Chun-Li,Bai ZhonghuORCID

Abstract

AbstractTerpenoids form the most diversified class of natural products, which have gained application in the pharmaceutical, food, transportation, and fine and bulk chemical industries. Extraction from naturally occurring sources does not meet industrial demands, whereas chemical synthesis is often associated with poor enantio-selectivity, harsh working conditions, and environmental pollutions. Microbial cell factories come as a suitable replacement. However, designing efficient microbial platforms for isoprenoid synthesis is often a challenging task. This has to do with the cytotoxic effects of pathway intermediates and some end products, instability of expressed pathways, as well as high enzyme promiscuity. Also, the low enzymatic activity of some terpene synthases and prenyltransferases, and the lack of an efficient throughput system to screen improved high-performing strains are bottlenecks in strain development. Metabolic engineering and synthetic biology seek to overcome these issues through the provision of effective synthetic tools. This review sought to provide an in-depth description of novel strategies for improving cell factory performance. We focused on improving transcriptional and translational efficiencies through static and dynamic regulatory elements, enzyme engineering and high-throughput screening strategies, cellular function enhancement through chromosomal integration, metabolite tolerance, and modularization of pathways. Graphical Abstract

Funder

Natural Science Foundation of Jiangsu Province

Postdoctoral Science Foundation of Jiangsu Province

Fundamental Research Funds for the Central Universities

111 Project

Publisher

Springer Science and Business Media LLC

Subject

Renewable Energy, Sustainability and the Environment,Biomedical Engineering,Food Science,Biotechnology

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