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Cell-free microcompartmentalised transcription–translation for the prototyping of synthetic communication networks
- Dubuc, Emilien, Pieters, Pascal A, van der Linden, Ardjan J, van Hest, Jan CM, Huck, Wilhelm TS, de Greef, Tom FA
- Current opinion in biotechnology 2019 v.58 pp. 72-80
- cells, gene expression, synthetic biology, transcription (genetics), translation (genetics)
- Recent efforts in synthetic biology have shown the possibility of engineering distributed functions in populations of living cells, which requires the development of highly orthogonal, genetically encoded communication pathways. Cell-free transcription-translation (TXTL) reactions encapsulated in microcompartments enable prototyping of molecular communication channels and their integration into engineered genetic circuits by mimicking critical cell features, such as gene expression, cell size, and cell individuality within a community. In this review, we discuss the uses of cell-free transcription–translation reactions for the development of synthetic genetic circuits, with a special focus on the use of microcompartments supporting this reaction. We highlight several studies where molecular communication between non-living microcompartments and living cells have been successfully engineered.