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Updated: Aug 4, 2025

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

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

Published on: December 6, 2017

Using display technologies to identify macrocyclic peptide antibiotics.

Justin R Randall¹, Xun Wang¹, Kyra E Groover¹

¹University of Texas at Austin, Department of Molecular Biosciences, Austin, TX, USA.

Biochimica Et Biophysica Acta. Molecular Cell Research

|April 3, 2023

Summary

This summary is machine-generated.

Antibiotic resistance is a major global health threat with a dwindling drug pipeline. Synthetic peptide display technologies offer a faster way to discover new macrocyclic peptide antibiotics targeting bacterial cell envelopes.

Keywords:

Antimicrobial discovery Macrocyclic peptide Peptide antibiotic Peptide display

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Last Updated: Aug 4, 2025

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

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Published on: December 6, 2017

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Antimicrobial Peptides Produced by Selective Pressure Incorporation of Non-canonical Amino Acids

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Published on: May 4, 2018

Area of Science:

Microbiology
Medicinal Chemistry
Drug Discovery

Background:

Antibiotic-resistant bacterial infections are a leading cause of global mortality.
The clinical antibiotic pipeline is insufficient to combat the rising threat of drug resistance.
Natural macrocyclic peptides offer promising antibiotic scaffolds but are slow to discover.

Approach:

Reviewing essential bacterial cell envelope processes targetable by macrocyclic peptide therapeutics.
Outlining key peptide display technologies for rapid screening of macrocyclic sequences.
Discussing future strategies for designing and screening large libraries of synthetic macrocyclic peptides.

Key Points:

Peptide display technologies enable rapid screening of large libraries for antibacterial potential.
Macrocyclic peptides can be designed to target specific bacterial cell envelope processes.
Synthetic approaches accelerate the discovery of novel antimicrobial agents.

Conclusions:

Synthetic peptide display offers a viable alternative to natural product discovery for new antibiotics.
Targeting bacterial cell envelopes with macrocyclic peptides is a promising strategy.
Continued innovation in library design and screening is crucial for addressing antibiotic resistance.