ArticleGigaScience2026
MBGC2: Boosting compression via efficient encoding of approximate matches in genome collections.
Article in GigaScience, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- FFC: a scalable FASTA compressor.Bioinformatics (Oxford, England) · 2026Article
- MBGC2: Boosting compression via efficient encoding of approximate matches in genome collections.GigaScience · 2026Article
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1 author.
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Abstract
backgroundFASTA is the primary format for representing DNA, RNA, and protein sequences. While progress has been made, specialized FASTA collection compressors still struggle with practical limitations and inconsistent performance across different datasets, hindering effective storage and transfer of large genomic datasets.
resultsWe present an enhanced version of the Multiple Bacteria Genome Compressor (MBGC), a high-throughput, in-memory algorithm for compressing genome collections. It relies on information about maximum exact matches in the compressed set to identify possibly long approximate matches. It encodes them even when they partially overlap, boosting the compression ratio by an average of 14% across bacterial datasets, while the reengineered multithreaded decoding speeds up decompression compared to its predecessor by around 40%. The compression ratio improvement is even more pronounced on other collections, reaching 18% for Homo sapiens and up to 55% for Saccharomyces paradoxus. MBGC2 performs consistently across diverse datasets and introduces practical features to ease data management, such as archive appending, repacking, fast content listing, and flexible decompression options. Benchmark tests covering nucleotide-based bacterial, viral, and human genome collections show that MBGC2 combines compression efficiency and processing speed. The tool supports working with single genomes or amino acid collections but does not guarantee such high performance in these cases.
conclusionsMBGC2 addresses critical limitations in genome collection compression by delivering reliable performance, improved compression ratios, and enhanced usability features. The consistent efficiency across diverse genomic datasets makes it a versatile tool for managing the growing volume of genomic data in research and clinical settings. The balance between compression ratio and speed positions MBGC2 as a practical solution for the storage and transfer of large genomic collections.
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