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Anchor-Enhanced Bead Design for Reduced Oligonucleotide Synthesis Errors in Single-cell sequencing

GSE263458 Homo sapiens; Mus musculus Expression profiling by high throughput sequencing 7 samples Submitted 2024/04/09 Platform GPL32819Platform GPL29439
Summary
Single-cell transcriptomics, reliant on the incorporation of barcodes and unique molecular identifiers (UMIs) into captured polyA+ mRNA, faces a significant challenge due to synthesis errors in oligonucleotide capture sequences. These inaccuracies, which are especially problematic in long-read sequencing, impair the precise identification of sequences and result in inaccuracies in UMI deduplication. To mitigate this issue, we have modified the oligonucleotide capture design, which integrates an interposed anchor between the barcode and UMI, and a 'V' base anchor adjacent to the polyA capture region. This configuration is devised to ensure compatibility with both short and long-read sequencing technologies, facilitating improved UMI recovery and enhanced feature detection, thereby improving the efficacy of droplet-based sequencing methods.
Published in
Enhancing single-cell transcriptomics using interposed anchor oligonucleotide sequences
Sun J, Philpott M, Loi D et al. · Communications biology 2025 · PMID 39819888 · doi:10.1038/s42003-025-07474-5
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Also filed as BioProject PRJNA1097581 and SRA study SRP500306. Searching any of these in the dataset finder brings you back here.

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