Abstract
Corynebacterium glutamicum (C. glutamicum), an important industrial workhorse, is capable of efficiently producing a variety of value-added chemicals and fuels beyond amino acids. C. glutamicum has a broad natural substrate spectrum and can simultaneously utilize various carbon sources in blends. The substrate spectrum of C. glutamicum has been further extended by detailed knowledge of carbon core metabolism and well-established genetic tools and engineering strategies. At present, many pathways have been successfully engineered in C. glutamicum for access to alternative renewable sources to produce natural or non-natural products, making C. glutamicum a promising and favorable microbial cell factory. In this review, we mainly focus on synthetic biology and metabolic engineering strategies for developing synthetic strains that grow on renewable sources to produce the target products. At the same time, we also explore the promotion and future challenges of existing synthetic biology platforms for industrial platform microorganism metabolic engineering efforts.
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