Abstract：
:Horizontal transmission of the microbiota between different individuals is widely used to normalize the microbiota in laboratory mice. However, little is known about the dynamics of microbial communities and the level of microbiota transmission after cohousing. We extensively analyzed the fecal microbiota in Jackson and Taconic C57BL/6 mice to study horizontal transmission after weaning. Changes in the microbiota were clearly detected on day 3, almost plateaued on day 7, and resulted in near-comparable composition by day 28 after cohousing. Notably, the transmission of bacterial species was asymmetric in kinetics and abundance, resulting in a microbiota that is more similar to that of Jackson mice than Taconic. Several operational taxonomic units (OTUs) increased their abundance rapidly after cohousing in Taconic mice whereas several OTUs including two mucus-associated bacteria increased their abundance with delayed kinetics in Jackson mice. These studies provide insight into the dynamics and normalization of the microbiota during horizontal transmission.
journal_name
Cell Repjournal_title
Cell reportsauthors
Caruso R,Ono M,Bunker ME,Núñez G,Inohara Ndoi
10.1016/j.celrep.2019.05.042subject
Has Abstractpub_date
2019-06-11 00:00:00pages
3401-3412.e3issue
11issn
2211-1247pii
S2211-1247(19)30662-Xjournal_volume
27pub_type
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