High yield expression in a recombinant E. coli of a codon optimized chicken anemia virus capsid protein VP1 useful for vaccine development
2011

High Yield Expression of Chicken Anemia Virus Protein in E. coli

publication Evidence: moderate

Author Information

Author(s): Lee Meng-Shiou, Hseu You-Cheng, Lai Guan-Hua, Chang Wen-Te, Chen Hsi-Jien, Huang Chi-Hung, Lee Meng-Shiunn, Wang Min-Ying, Kao Jung-Yie, You Bang-Jau, Lin Wen-Hsin, Lien Yi-Yang, Lin Ming-Kuem

Primary Institution: China Medical University

Hypothesis

Optimizing codon usage in the VP1 gene will enhance its expression in E. coli.

Conclusion

The study successfully increased the expression of the VP1 protein in E. coli, making it a potential candidate for vaccine development.

Supporting Evidence

  • The highest protein expression level obtained was 17.5 g/L per liter of bacterial culture.
  • Purified VP1 protein was recognized by CAV-positive chicken serum in an ELISA assay.
  • Codon optimization led to a 4.6 fold increase in protein yield.

Takeaway

Scientists figured out how to make a chicken virus protein in bacteria much better by changing the recipe a little, which could help make vaccines.

Methodology

The VP1 gene was cloned into expression vectors and expressed in various E. coli strains, with codon optimization performed to enhance yield.

Limitations

The yield of the expressed protein remained relatively low, and the study did not explore all possible expression systems.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1186/1475-2859-10-56

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