Journal
NATURE COMMUNICATIONS
Volume 14, Issue 1, Pages -Publisher
NATURE PORTFOLIO
DOI: 10.1038/s41467-023-40242-9
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Researchers have developed a tripartite microbial coculture system for the de novo production of plant-derived phenylpropanoids. The system has shown improved stability and flexibility, and has the potential to be used for the production of various industrial products.
Plant-derived phenylpropanoids have diverse industrial applications ranging from flavours and fragrances to polymers and pharmaceuticals. Here the authors present a tripartite microbial coculture with mix-and-match flexibility and had improved stability within an engineered living material platform for de novo production of several plant-derived phenylpropanoids. Plant-derived phenylpropanoids, in particular phenylpropenes, have diverse industrial applications ranging from flavors and fragrances to polymers and pharmaceuticals. Heterologous biosynthesis of these products has the potential to address low, seasonally dependent yields hindering ease of widespread manufacturing. However, previous efforts have been hindered by the inherent pathway promiscuity and the microbial toxicity of key pathway intermediates. Here, in this study, we establish the propensity of a tripartite microbial co-culture to overcome these limitations and demonstrate to our knowledge the first reported de novo phenylpropene production from simple sugar starting materials. After initially designing the system to accumulate eugenol, the platform modularity and downstream enzyme promiscuity was leveraged to quickly create avenues for hydroxychavicol and chavicol production. The consortia was found to be compatible with Engineered Living Material production platforms that allow for reusable, cold-chain-independent distributed manufacturing. This work lays the foundation for further deployment of modular microbial approaches to produce plant secondary metabolites.
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