Nasal microenvironments and interspecific interactions influence nasal microbiota complexity and S. aureus carriage.

Nasal microenvironments and interspecific interactions influence nasal microbiota complexity and S. aureus carriage.
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DOI:
10.1016/j.chom.2013.11.005
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发表时间:
2013-12-11
影响因子:
30.3
通讯作者:
Relman DA
Relman DA
中科院分区:
医学1区
文献类型:
--
作者:
Yan M;Pamp SJ;Fukuyama J;Hwang PH;Cho DY;Holmes S;Relman DA

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The indigenous microbiota of the nasal cavity plays important roles in human health and disease. Patterns of spatial variation in microbiota composition may help explain Staphylococcus aureus colonization, and reveal interspecies and species-host interactions. To assess the biogeography of the nasal microbiota, we sampled healthy subjects, representing both S. aureus carriers and non-carriers, at 3 nasal sites (anterior naris, middle meatus, and sphenoethmoidal recess). Phylogenetic compositional and sparse linear discriminant analyses revealed communities that differed according to site epithelium type and S. aureus culture-based carriage status. Corynebacterium accolens and C. pseudodiphtheriticum were identified as the most important microbial community determinants of S. aureus carriage, with competitive interactions evident only at sites with ciliated pseudostratified columnar epithelium. In vitro co-cultivation experiments provided supporting evidence of interactions among these species. These results highlight spatial variation in nasal microbial communities and differences in community composition between S. aureus carriers and non-carriers.
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