Analysis of one-carbon compound microbial assimilation pathways and research progress in synthetic biology modification
DOI:
https://doi.org/10.14295/bjs.v5i4.864Keywords:
one-carbon compounds, methylotrophy, synthetic biology, metabolic engineering, carbon fixationAbstract
One-carbon (C1) compounds, including methane, methanol, formate, and carbon dioxide, represent promising alternative feedstocks for sustainable biomanufacturing. This comprehensive review systematically analyzes the molecular mechanisms underlying microbial assimilation of C1 compounds, focusing on key metabolic pathways including the ribulose monophosphate (RuMP) pathway, xylulose monophosphate (XuMP) pathway, serine cycle, and the reductive glycine (rGly) pathway. We discuss recent advances in synthetic biology approaches for engineering C1-utilizing microorganisms, including pathway optimization, enzyme engineering, adaptive laboratory evolution, and compartmentalization strategies. Furthermore, we present an analysis of the development of the synthetic biology industry in major Chinese provinces and autonomous regions, including Xinjiang, Gansu, Ningxia, Hunan, and Guangdong. The review highlights the challenges and future directions in developing efficient C1-based cell factories for industrial applications, emphasizing the integration of multi-omics approaches, artificial intelligence, and systems metabolic engineering to enable next-generation C1 biotransformation platforms.
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