The microbial community structure of the cotton rat nose
2015
Chaves‐Moreno, Diego | Plumeier, Iris | Kahl, Silke | Krismer, Bernhard | Peschel, Andreas | Oxley, Andrew P. A. | Jauregui, Ruy | Pieper, Dietmar H.
The cotton rat nose is commonly used as a model for Staphylococcus aureus colonization, as it is both physiologically and anatomically comparable to the human nares and can be easily colonized by this organism. However, while the colonization of the human anterior nares has been extensively studied, the microbial community structure of cotton rat noses has not been reported so far. We describe here the microbial community structure of the cotton rat (Sigmodon hispidus) nose through next‐generation sequencing of 16S rRNA gene amplicons covering the V1‐V2 region and the analysis of nearly full length 16S rRNA genes of the major phylotypes. Roughly half of the microbial community was composed of two undescribed species of the genus Campylobacter, with phylotypes belonging to the genera Catonella, Acholeplasma, Streptobacillus and Capnocytophaga constituting the predominant community members. Thus, the nasal community of the cotton rat is uniquely composed of several novel bacterial species and may not reflect the complex interactions that occur in human anterior nares. Mammalian airway microbiota may, however, be a rich source of hitherto unknown microbes.
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