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| Item Type: | Article |
|---|---|
| Title: | Fully phased human genome assembly without parental data using single-cell strand sequencing and long reads |
| Creators Name: | Porubsky, D., Ebert, P., Audano, P.A., Vollger, M.R., Harvey, W.T., Marijon, P., Ebler, J., Munson, K.M., Sorensen, M., Sulovari, A., Haukness, M., Ghareghani, M., Lansdorp, P.M., Paten, B., Devine, S.E., Sanders, A.D., Lee, C., Chaisson, M.J.P., Korbel, J.O., Eichler, E.E. and Marschall, T. |
| Abstract: | Human genomes are typically assembled as consensus sequences that lack information on parental haplotypes. Here we describe a reference-free workflow for diploid de novo genome assembly that combines the chromosome-wide phasing and scaffolding capabilities of single-cell strand sequencing with continuous long-read or high-fidelity sequencing data. Employing this strategy, we produced a completely phased de novo genome assembly for each haplotype of an individual of Puerto Rican descent (HG00733) in the absence of parental data. The assemblies are accurate (quality value > 40) and highly contiguous (contig N50 > 23 Mbp) with low switch error rates (0.17%), providing fully phased single-nucleotide variants, indels and structural variants. A comparison of Oxford Nanopore Technologies and Pacific Biosciences phased assemblies identified 154 regions that are preferential sites of contig breaks, irrespective of sequencing technology or phasing algorithms. |
| Keywords: | Algorithms, DNA Sequence Analysis, Haplotypes, High-Throughput Nucleotide Sequencing, Human Genome, Parents, Puerto Rico, Single-Cell Analysis |
| Source: | Nature Biotechnology |
| ISSN: | 1087-0156 |
| Publisher: | Nature Publishing Group |
| Volume: | 39 |
| Number: | 3 |
| Page Range: | 302-308 |
| Date: | March 2021 |
| Official Publication: | https://doi.org/10.1038/s41587-020-0719-5 |
| PubMed: | View item in PubMed |
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