Journal
JOURNAL OF INDUSTRIAL MICROBIOLOGY & BIOTECHNOLOGY
Volume 48, Issue 3-4, Pages -Publisher
OXFORD UNIV PRESS
DOI: 10.1093/jimb/kuab003
Keywords
Cyanobacterial natural products; Biosynthetic gene cluster; Heterologous expression
Categories
Funding
- National Institutes of Health (NIH) [R01CA172310]
- Debbie and Sylvia DeSantis Chair professorship
- University of Florida
- NIH [R35GM128742]
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In summary, cyanobacteria have great potential for producing new natural products, but progress in discovering these compounds has been slow due to silent biosynthetic gene clusters and difficulties with cyanobacterial strains. Heterologous expression in genetically tractable hosts is a promising approach for unlocking the discovery of new cyanobacterial natural products.
Cyanobacteria produce a plethora of compounds with unique chemical structures and diverse biological activities. Importantly, the increasing availability of cyanobacterial genome sequences and the rapid development of bioinformatics tools have unraveled the tremendous potential of cyanobacteria in producing new natural products. However, the discovery of these compounds based on cyanobacterial genomes has progressed slowly as the majority of their corresponding biosynthetic gene clusters (BGCs) are silent. In addition, cyanobacterial strains are often slow-growing, difficult for genetic engineering, or cannot be cultivated yet, limiting the use of host genetic engineering approaches for discovery. On the other hand, genetically tractable hosts such as Escherichia coli, Actinobacteria, and yeast have been developed for the heterologous expression of cyanobacterial BGCs. More recently, there have been increased interests in developing model cyanobacterial strains as heterologous production platforms. Herein, we present recent advances in the heterologous production of cyanobacterial compounds in both cyanobacterial and noncyanobacterial hosts. Emerging strategies for BGC assembly, host engineering, and optimization of BGC expression are included for fostering the broader applications of synthetic biology tools in the discovery of new cyanobacterial natural products.
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