Test datasets for Hi-C scaffolding

DOI10.5281/zenodo.7079219Zenodo7079219MaRDI QIDQ6682178

Dataset published at Zenodo repository.

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Publication date: 14 September 2022

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Description

We provided two datasets for testing Hi-C scaffolding tools. For the CHM13 test dataset, we randomly chunked the first 10Mb of chr1, chr2 and chr3 of the T2T-CHM13v1.1 human genome assembly (Nurk etal. 2022) into 57 contigs. The Hi-C data downloaded from the telomere-to-telomere consortium GitHub repository (https://github.com/marbl/CHM13) were mapped to the reference genome and the reads mapped to these regions were extracted to generateHi-C alignment files. For the LYZE01 test dataset, the Saccharomyces cerevisiae strain W303 genome assembly (Matheson et al. 2017) was split at positions with gaps (N) to get the original contigs. Anindependent Hi-C data library wasdownloaded from the NCBI repository (GEO Accession GSM2417297) anddownsampled to approximately 20X. The downsampled Hi-C data were mapped to the contigs to generate Hi-C alignment files. We provided five files for each test dataset:the contig file in FASTA format, the FASTA index file generated with SAMtools faidx command, and the Hi-C alignment file in BAM format sorted by coordinate,in BAM format sorted by query names (with the identifier qn in the file name), and in BED format.

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