Highly Efficient and Reliable DNA Aptamer Selection Using the Partitioning Capabilities of ddPCR: The Hi-Fi SELEX...

Area of Science:

• Molecular Biology
• Biotechnology
• Genomics

Background:

• Digital PCR is increasingly used for gene detection and quantification.
• High-fidelity amplification of single-stranded DNA combinatorial libraries is crucial for aptamer selection.
• Traditional aptamer selection methods can be time-consuming and less efficient.

Purpose of the Study:

• To describe the Hi-Fi SELEX protocol for rapid and efficient DNA aptamer selection.
• To highlight the advantages of using digital PCR in aptamer selection.
• To provide a detailed methodology for generating and amplifying DNA aptamer libraries.

Main Methods:

• Utilizing the massive partitioning capability of digital PCR for library amplification.
• Implementing the Hi-Fi SELEX (Systematic Evolution of Ligands by Exponential Enrichment) protocol.
• Generating sequence-diverse libraries of single-stranded DNA.

Main Results:

• The Hi-Fi SELEX protocol enables high-fidelity amplification of DNA libraries.
• Digital PCR enhances the efficiency and speed of aptamer selection.
• The protocol facilitates the selection of tight-binding aptamers against specific targets.

Conclusions:

• The Hi-Fi SELEX protocol, powered by digital PCR, provides a significant advancement in DNA aptamer selection.
• This method offers a rapid and efficient approach for discovering high-affinity aptamers.
• Digital PCR's partitioning technology is key to the success of this enhanced SELEX methodology.