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Related Experiment Video

Updated: May 26, 2026

Semi-automated Biopanning of Bacterial Display Libraries for Peptide Affinity Reagent Discovery and Analysis of Resulting Isolates
13:49

Semi-automated Biopanning of Bacterial Display Libraries for Peptide Affinity Reagent Discovery and Analysis of Resulting Isolates

Published on: December 6, 2017

Peptide discovery using bacterial display and flow cytometry.

Jennifer A Getz1, Tobias D Schoep, Patrick S Daugherty

  • 1Department of Chemical Engineering, Institute for Collaborative Biotechnologies, University of California, Santa Barbara, California, USA.

Methods in Enzymology
|January 11, 2012
PubMed
Summary

This study presents detailed protocols for generating and screening bacterial display peptide libraries. These methods efficiently identify and engineer peptides for therapeutic and diagnostic applications in biotechnology.

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Area of Science:

  • Biotechnology
  • Molecular Biology
  • Biochemistry

Background:

  • Peptides are valuable as therapeutic and diagnostic agents.
  • Bacterial display technology combined with cell sorting offers powerful screening capabilities.

Purpose of the Study:

  • To provide detailed protocols for bacterial display peptide library generation and screening.
  • To enable the discovery and optimization of peptides for molecular recognition applications.

Main Methods:

  • Utilizing bacterial cell-surface display peptide libraries.
  • Employing magnetic- and fluorescence-activated cell sorting technologies.
  • Detailed protocols for library generation and screening are presented.

Main Results:

  • Efficient identification and engineering of peptides.
  • Discovery of protein-binding peptides, cell-specific peptides, and enzyme substrates.
  • Evolutionary optimization of peptide functionalities.

Conclusions:

  • Bacterial display and cell sorting is a highly effective methodology for peptide discovery.
  • The presented methods support diverse biotechnology applications.
  • Enables development of novel peptide-based therapeutics and diagnostics.