Abstract

The synthesis of increasingly complex unnatural networks embedded in living matter is an emerging theme in synthetic biology. Synthetic networks have allowed the creation of organisms endowed with toggle switches, logic gates, pattern-forming systems, oscillators, cellular sensors, new modes of gene regulation and expanded genetic codes. A common challenge of this work is the addition of specific new functions to complex living organisms. This requires spatial and temporal control of molecular interactions and fluxes to achieve the desired outcomes. Here we review recent successes in this emerging field and discuss strategies for addressing the challenges of increasing network complexity.

1. Medical Research Council Laboratory of Molecular Biology, Hills Road, Cambridge CB2 2QH, UK.

Correspondence to: Jason W Chin¹ e-mail: chin@mrc-lmb.cam.ac.uk

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