Journal
MOLECULAR CELL
Volume 78, Issue 4, Pages 614-623Publisher
CELL PRESS
DOI: 10.1016/j.molcel.2020.03.034
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Funding
- Defense Advanced Research Projects Agency [HR0011-15-C-0094]
- Wyss Institute for Biologically Inspired Engineering
- NIH [5T32GM007598]
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Synthetic biology has promised and delivered on an impressive array of applications based on genetically modified microorganisms. While novel biotechnology undoubtedly offers benefits, like all new technology, precautions should be considered during implementation to reduce the risk of both known and unknown adverse effects. To achieve containment of transgenic microorganisms, confidence to a near-scientific certainty that they cannot transfer their transgenic genes to other organisms, and that they cannot survive to propagate in unintended environments, is a priority. Here, we present an in-depth summary of biological containment systems for micro-organisms published to date, including the production of a genetic firewall through genome recoding and physical containment of microbes using auxotrophies, regulation of essential genes, and expression of toxic genes. The level of containment required to consider a transgenic organism suitable for deployment is discussed, as well as standards of practice for developing new containment systems.
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