Genetic Code Expansion in Animals

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Abstract
Expanding the genetic code to enable the incorporation of unnatural amino acids into proteins in biological systems provides a powerful tool for studying protein structure and function. While this technology has been mostly developed and applied in bacterial and mammalian cells, it recently expanded into animals, including worms, fruit flies, zebrafish, and mice. In this review, we highlight recent advances toward the methodology development of genetic code expansion in animal model organisms. We further illustrate the applications, including proteomic labeling in fruit flies and mice and optical control of protein function in mice and zebrafish. We summarize the challenges of unnatural amino acid mutagenesis in animals and the promising directions toward broad application of this emerging technology.
Funding Information
  • National Institute of Child Health and Human Development (R21HD085206)
  • Division of Chemical, Bioengineering, Environmental and Transport Systems (CBET-1603930)
  • National Institute of General Medical Sciences (R01GM112728)

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