Publication: Genomically Recoded Organisms Expand Biological Functions
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Date
2013-10-18
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American Association for the Advancement of Science (AAAS)
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Lajoie, Marc J., Alexis J. Rovner, Daniel B. Goodman, Hans-Rudolf Aerni, Adrian D. Haimovich, Gleb Kuznetsov, Jaron A. Mercer et al. "Genomically Recoded Organisms Expand Biological Functions." Science 342, no. 6156 (2013): 357-360. DOI: 10.1126/science.1241459
Abstract
We describe the construction and characterization of a genomically recoded organism (GRO). We replaced all known UAG stop codons in Escherichia coli MG1655 with synonymous UAA codons, which permitted the deletion of release factor 1 and reassignment of UAG translation function. This GRO exhibited improved properties for incorporation of nonstandard amino acids that expand the chemical diversity of proteins in vivo. The GRO also exhibited increased resistance to T7 bacteriophage, demonstrating that new genetic codes could enable increased viral resistance.
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