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Creators/Authors contains: "Deorowicz, Sebastian"

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  1. ; ; ; (, Genome Biology)
    Abstract The de Bruijn graph is a key data structure in modern computational genomics, and construction of its compacted variant resides upstream of many genomic analyses. As the quantity of genomic data grows rapidly, this often forms a computational bottleneck. We present Cuttlefish 2, significantly advancing the state-of-the-art for this problem. On a commodity server, it reduces the graph construction time for 661K bacterial genomes, of size 2.58Tbp, from 4.5 days to 17–23 h; and it constructs the graph for 1.52Tbp white spruce reads in approximately 10 h, while the closest competitor requires 54–58 h, using considerably more memory. 
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  2. ; ; ; ; ; ; ; ; ; (, Bioinformatics)
    Abstract SummaryBioinformatics applications increasingly rely on ad hoc disk storage of k-mer sets, e.g. for de Bruijn graphs or alignment indexes. Here, we introduce the K-mer File Format as a general lossless framework for storing and manipulating k-mer sets, realizing space savings of 3–5× compared to other formats, and bringing interoperability across tools. Availability and implementationFormat specification, C++/Rust API, tools: https://github.com/Kmer-File-Format/. Supplementary informationSupplementary data are available at Bioinformatics online. 
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