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Studying the genetic differences between related microorganisms from different environment types can indicate factors associated with their movement among habitats. This is particularly interesting for bacteria from the Candidate Phyla Radiation because their minimal metabolic capabilities require associations with microbial hosts. We found that shifts of Absconditabacteria, Gracilibacteria, and Saccharibacteria between environmental ecosystems and mammalian mouths/guts probably did not involve major episodes of gene gain and loss; rather, gradual genomic change likely followed habitat migration. The results inform our understanding of how little-known microorganisms establish in the human microbiota where they may ultimately impact health.
Knowledge graph centered on Patterns of Gene Content and Co-occurrence Constra with 9 nodes and 8 connections. Top connected: Alex D. Thomas, Yuki Amano, Keith Bouma‐Gregson, Ibrahim Farag, Christine He.
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