期刊
FEBS LETTERS
卷 588, 期 3, 页码 383-388出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.febslet.2013.11.039
关键词
Sense codon recoding; Pyrrolysyl-tRNA synthetase; Genetic code expansion; Mycoplasma mycoides
资金
- Synthetic Genomics Inc. (SGI)
The addition of new and versatile chemical and biological properties to proteins pursued through incorporation of non-canonical amino acids is at present primarily achieved by stop codon suppression. However, it is critical to find new blank'' codons to increase the variety and efficiency of such insertions, thereby taking 'sense codon recoding' to center stage in the field of genetic code expansion. Current thought optimistically suggests the use of the pyrrolysine system coupled with re-synthesis of genomic information towards achieving sense codon reassignment. Upon review of the serious experimental challenges reported in recent studies, we propose that success in this area will depend on the re-synthesis of genomes, but also on 'rewiring' the mechanism of protein synthesis and of its quality control. (C) 2013 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
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