Public knowledge document

Improved metagenomic analysis with Kraken 2.

Although Kraken's k-mer-based approach provides a fast taxonomic classification of metagenomic sequence data, its large memory requirements can be limiting for some applications. Kraken 2 improves upon Kraken 1 by reducing memory usage by 85%, allowing greater amounts of reference genomic data to be used, while maintaining high accuracy and increasing speed fivefold. Kraken 2 also introduces a translated search mode, providing increased sensitivity in viral metagenomics analysis.

Improved metagenomic analysis with Kraken 2.

> 商业许可源文 · EUROPE_PMC · [CC-BY](https://creativecommons.org/licenses/by/)

书目信息

  • 引用:Wood DE, Lu J, Langmead B. (2019). Improved metagenomic analysis with Kraken 2. Genome biology. PMID 31779668 · PMC6883579 · DOI 10.1186/s13059-019-1891-0
  • 证据类型:BENCHMARK
  • 主题:metagenomics
  • 被引次数(采集时):5430
  • 原始记录:[Europe PMC](https://europepmc.org/article/MED/31779668)
  • 来源许可:[CC-BY](https://creativecommons.org/licenses/by/)
  • 作者摘要(按来源许可复用)

    Although Kraken's k-mer-based approach provides a fast taxonomic classification of metagenomic sequence data, its large memory requirements can be limiting for some applications. Kraken 2 improves upon Kraken 1 by reducing memory usage by 85%, allowing greater amounts of reference genomic data to be used, while maintaining high accuracy and increasing speed fivefold. Kraken 2 also introduces a translated search mode, providing increased sensitivity in viral metagenomics analysis.

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