TDFPS-Designer: an efficient toolkit for barcode design and selection in nanopore sequencing.

Area of Science:

• Genomics
• Bioinformatics
• Molecular Biology

Background:

• Oxford Nanopore Technologies (ONT) sequencing enables ultrahigh-throughput multi-sample analysis.
• Current ONT barcode kits limit multiplexing to 96 samples.
• Efficient demultiplexing is crucial for analyzing pooled sequencing data.

Purpose of the Study:

• To develop a novel toolkit for designing a significantly larger number of nanopore sequencing barcodes.
• To improve the efficiency and accuracy of demultiplexing in ONT sequencing data.
• To provide a robust solution for high-throughput multi-sample nanopore sequencing.

Main Methods:

• Development of TDFPS-Designer, a toolkit for nanopore sequencing barcode design.
• Implementation of GPU-based acceleration for rapid demultiplexing.
• Design of robust barcodes optimized for high-error ONT data.

Main Results:

• TDFPS-Designer generates substantially more barcodes: 137 (20 bp), 410 (24 bp), and 1779 (30 bp).
• The toolkit offers GPU-accelerated demultiplexing for ultra-fast processing.
• Achieved a 20% improvement in demultiplexing recall rate compared to Guppy, maintaining precision.

Conclusions:

• TDFPS-Designer significantly expands barcode design capabilities for nanopore sequencing.
• The toolkit enhances multiplexing capacity and demultiplexing performance for ONT data.
• This advancement facilitates more scalable and accurate multi-sample sequencing experiments.