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Interferons
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Antimicrobial Peptide Production and Purification.

Srinivas Suda1, Des Field2, Niall Barron3,4

  • 1National Institute for Cellular Biotechnology, Dublin City University, Glasnevin, Dublin 9, Ireland. srinivas.suda@dcu.ie.

Methods in Molecular Biology (Clifton, N.J.)
|October 13, 2016
PubMed
Summary

Antimicrobial peptides (AMPs) are crucial natural defenses. This study details Nisin production and purification, adaptable for other AMPs, enhancing their accessibility.

Keywords:
Antimicrobial peptidesBacteriocinsLacticin 3147LantibioticsNisinPeptide production and purification

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Area of Science:

  • Biochemistry
  • Microbiology
  • Molecular Biology

Background:

  • Antimicrobial peptides (AMPs) are vital natural defense compounds produced by all living organisms.
  • These peptides, often cationic with hydrophobic residues, interact with cell membranes and exhibit diverse biological activities.
  • Nisin, a lantibiotic, is a well-known AMP produced by Lactococcus lactis.

Purpose of the Study:

  • To outline a Nisin production and purification protocol.
  • To demonstrate the adaptability of this protocol for other lantibiotics and AMPs.
  • To provide detailed steps for recovering AMPs from both cell-free supernatant and cell pellets.

Main Methods:

  • Heterologous expression of AMPs, exemplified by Nisin production in Lactococcus lactis.
  • Isolation and purification of AMPs from both supernatant and cell pellet fractions.
  • Optimization of production and purification procedures for individual AMPs.

Main Results:

  • A comprehensive Nisin production and purification protocol is presented.
  • The protocol is shown to be adaptable for other lantibiotics and AMPs with minor modifications.
  • Detailed methods for recovering AMPs from various sources are described.

Conclusions:

  • The Nisin protocol serves as a valuable template for the production and purification of a wide range of AMPs.
  • This work facilitates broader accessibility and application of AMPs in various fields.
  • Efficient recovery methods are crucial for maximizing AMP yields.