A Tail Fiber Engineering Platform for Improved Bacterial Transduction-Based Diagnostic Reagents.

Area of Science:

• Microbiology
• Synthetic Biology
• Molecular Biology

Background:

• Bacterial transduction particles were foundational in molecular biology and are gaining traction for diagnostics and therapeutics.
• Developing specific transduction reagents for diverse bacterial strains remains a significant challenge for commercialization.

Purpose of the Study:

• To engineer a synthetic biology platform using bacteriophage P1 to create targeted transduction reagents.
• To develop a potential diagnostic reagent for rapid detection of carbapenem-resistant Enterobacterales.

Main Methods:

• Utilized bacteriophage P1 as a chassis for developing transduction reagents.
• Engineered and screened chimeric receptor binding proteins to target specific bacterial strains.
• Focused on four clinically prevalent species within the Enterobacterales order.

Main Results:

• Demonstrated a synthetic biology platform for engineering bacteriophage P1 transduction reagents.
• Generated potential reagents capable of targeting specific Enterobacterales species.
• Identified a promising reagent for a future carbapenem-resistant Enterobacterales diagnostic assay.

Conclusions:

• Engineered bacteriophage P1 particles show promise as targeted transduction reagents.
• This platform advances the development of novel diagnostics for bacterial infections.
• Further improvements are needed for expanded utility in commercial products.