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- Title
High-throughput engineering of initial coding regions for maximized production of recombinant proteins.
- Authors
Park, Yu; Lee, Kyung-Ho; Baek, Min; Kim, Dong-Myung
- Abstract
We present a method to rapidly determine the optimal initial sequences for recombinant protein production. This method relies on the competitive translation of two genes in a reaction mixture for cell-free protein synthesis. Genes from a library with randomized +2/+3 codons were individually co-expressed with superfolder green fluorescent protein (sfGFP) in this reaction mixture. As a result of competitive translation, the intensity of sfGFP fluorescence was inversely proportional to the relative translational efficiency of the co-expressed gene. Using this simple method, we identified the +2/+3 codons that markedly enhanced production of recombinant human erythropoietin compared with its wild-type codons. These +2/+3 codons also effectively enhanced protein production in Escherichia coli, indicating that this method is a useful tool to design optimal gene constructs for industrial production of recombinant proteins.
- Subjects
GREEN fluorescent protein genetics; RECOMBINANT proteins; PROTEIN engineering; MESSENGER RNA; RANDOMIZED controlled trials; BIOMOLECULE analysis
- Publication
Biotechnology & Bioprocess Engineering, 2017, Vol 22, Issue 5, p497
- ISSN
1226-8372
- Publication type
Article
- DOI
10.1007/s12257-017-0344-4