Applied Biochemistry and Biotechnology

, Volume 175, Issue 6, pp 3025–3037 | Cite as

Production of Cell-Penetrating Peptides in Escherichia coli Using an Intein-Mediated System

  • Vida Rodríguez
  • Jorge Lascani
  • Juan A. Asenjo
  • Barbara A. Andrews


Cell-penetrating peptides are molecules with the ability to cross membranes and enter cells. Attention has been put on these peptides as a tool for drug delivery research, as they are able to serve as delivery vectors for large molecules. Intracellular delivery of bioactive peptides is a very promising research area for clinical applications, since peptides are able to simulate protein regions and thus modulate key intracellular protein-protein interactions. Therefore, evaluation of different strategies for production of these peptides is necessary. In this work, an intein-mediated system was used to evaluate Escherichia coli recombinant production of p53pAnt and PNC27 anticancer cell-penetrating peptides. It was demonstrated that the pTXB1 and the pTYB11 vector systems are suitable for production of this kind of peptides. The production process involves a low-temperature induction process and an efficient on-column intein-mediated cleavage, which allowed an effective peptide recovery using a single chromatographic step.


Cell-penetrating peptides Intein cleavage Recombinant peptide production E. coli 



Cell-penetrating peptide


Nickel-nitrilotriacetic acid


Chitin-binding domain


Matrix-assisted laser desorption ionization time-of-flight


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Copyright information

© Springer Science+Business Media New York 2015

Authors and Affiliations

  • Vida Rodríguez
    • 1
  • Jorge Lascani
    • 1
  • Juan A. Asenjo
    • 1
  • Barbara A. Andrews
    • 1
  1. 1.Centre for Biotechnology and Bioengineering (CeBiB), Department of Chemical Engineering and BiotechnologyUniversity of ChileSantiagoChile

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