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Two Sampling Methods Yield Distinct Microbial Signatures In The Nasopharynges Of Asthmatic Children., Marcos Pérez-Losada, Keith A. Crandall, Robert J. Freishtat
Two Sampling Methods Yield Distinct Microbial Signatures In The Nasopharynges Of Asthmatic Children., Marcos Pérez-Losada, Keith A. Crandall, Robert J. Freishtat
Pediatrics Faculty Publications
Background
The nasopharynx is a reservoir for pathogens associated with respiratory illnesses, such as asthma. Next-generation sequencing (NGS) has been used to characterize the nasopharyngeal microbiome during health and disease. Most studies so far have surveyed the nasopharynx as a whole; however, less is known about spatial variation (biogeography) in nasal microenvironments and how sampling techniques may capture that microbial diversity.
Findings
We used targeted 16S rRNA MiSeq sequencing and two different sampling strategies [nasal washes (NW) and nasal brushes (NB)] to characterize the nasopharyngeal microbiota in 30 asthmatic children. Nasal brushing is more abrasive than nasal washing and targeted …