期刊
GENOME BIOLOGY
卷 24, 期 1, 页码 -出版社
BMC
DOI: 10.1186/s13059-023-03040-6
关键词
Shotgun metagenomics; Metagenome-assembled genomes; Microbiome; Statistical models; Hypothesis testing
This paper introduces a new method called happi for testing hypotheses about gene enrichment. The method takes into account genome quality and demonstrates its advantages over existing approaches through experiments using Saccharibacteria MAGs, Streptococcus thermophilus MAGs, and simulations.
Recovering metagenome-assembled genomes (MAGs) from shotgun sequencing data is an increasingly common task in microbiome studies, as MAGs provide deeper insight into the functional potential of both culturable and non-culturable microorganisms. However, metagenome-assembled genomes vary in quality and may contain omissions and contamination. These errors present challenges for detecting genes and comparing gene enrichment across sample types. To address this, we propose happi, an approach to testing hypotheses about gene enrichment that accounts for genome quality. We illustrate the advantages of happi over existing approaches using published Saccharibacteria MAGs, Streptococcus thermophilus MAGs, and via simulation.
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