Article ; Online: Sequencing by avidity enables high accuracy with low reagent consumption.
2023 Volume 42, Issue 1, Page(s) 132–138
Abstract: We present avidity sequencing, a sequencing chemistry that separately optimizes the processes of stepping along a DNA template and that of identifying each nucleotide within the template. Nucleotide identification uses multivalent nucleotide ligands on ... ...
Abstract | We present avidity sequencing, a sequencing chemistry that separately optimizes the processes of stepping along a DNA template and that of identifying each nucleotide within the template. Nucleotide identification uses multivalent nucleotide ligands on dye-labeled cores to form polymerase-polymer-nucleotide complexes bound to clonal copies of DNA targets. These polymer-nucleotide substrates, termed avidites, decrease the required concentration of reporting nucleotides from micromolar to nanomolar and yield negligible dissociation rates. Avidity sequencing achieves high accuracy, with 96.2% and 85.4% of base calls having an average of one error per 1,000 and 10,000 base pairs, respectively. We show that the average error rate of avidity sequencing remained stable following a long homopolymer. |
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MeSH term(s) | Nucleotides/genetics ; Nucleotides/chemistry ; DNA/genetics ; DNA/chemistry ; DNA Replication ; Base Pairing ; Polymers |
Chemical Substances | Nucleotides ; DNA (9007-49-2) ; Polymers |
Language | English |
Publishing date | 2023-05-25 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 1311932-1 |
ISSN | 1546-1696 ; 1087-0156 |
ISSN (online) | 1546-1696 |
ISSN | 1087-0156 |
DOI | 10.1038/s41587-023-01750-7 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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