Application of Deep Sequencing in Phage Display.

Area of Science:

• Biotechnology
• Molecular Biology
• Genomics

Background:

• Phage display is a powerful technique for protein library screening.
• Deep sequencing offers high-throughput analysis capabilities.
• Analyzing protein variants and library evolution requires advanced methods.

Purpose of the Study:

• To describe a workflow integrating deep sequencing into phage display.
• To enable comprehensive analysis of protein libraries and their evolution.
• To identify selection-enriched amino acid motifs and assess display vector stability.

Main Methods:

• Implementing deep sequencing (Illumina paired-end sequencing) in phage display experiments.
• Analyzing mutagenized target regions of protein variants.
• Processing sequence data to extract amino acid motifs.
• Utilizing a complementary long-read sequencing approach.

Main Results:

• Deep sequencing allows comprehensive analysis of naïve and evolved protein libraries.
• Selection-enriched amino acid motifs can be extracted from sequence data.
• The workflow enables monitoring of display vector stability.

Conclusions:

• Deep sequencing significantly enhances the analytical power of phage display.
• This integrated approach provides insights into protein-ligand interactions and library dynamics.
• The proposed methods facilitate robust characterization of protein libraries.