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The nasal and oropharyngeal microbiomes of healthy livestock workers
Journal article   Open access   Peer reviewed

The nasal and oropharyngeal microbiomes of healthy livestock workers

Ashley E Kates, Mark Dalman, James C Torner and Tara C Smith
PloS one, Vol.14(3), pp.e0212949-e0212949
2019
DOI: 10.1371/journal.pone.0212949
PMCID: PMC6413945
PMID: 30861031
url
https://doi.org/10.1371/journal.pone.0212949View
Published (Version of record) Open Access

Abstract

Little information exists on the microbiomes of livestock workers. A cross-sectional, epidemiological study was conducted enrolling 59 participants (26 of which had livestock contact) in Iowa. Participants were enrolled in one of four ways: from an existing prospective cohort study (n = 38), from the Iowa Department of Natural Resources Animal Feeding Operations database (n = 17), through Iowa county fairs (n = 3), and through snowball sampling (n = 1). We collected swabs from the nares and oropharynx of each participant to assess the microbiome via 16s rRNA sequencing. We observed livestock workers to have greater diversity in their microbiomes compared to those with no livestock contact. In the nares, there were 27 operational taxonomic units found to be different between livestock workers and non-livestock workers with the greatest difference seen with Streptococcus and Proteobacteria. In the oropharynx, livestock workers with swine exposure were more likely to carry several pathogenic organisms. The results of this study are the first to characterize the livestock worker nasal and oropharyngeal microbiomes.
Carrier State - epidemiology Prospective Studies Humans Middle Aged Carrier State - microbiology Male Healthy Volunteers Proteobacteria - genetics Streptococcus - isolation & purification Aged, 80 and over Adult Female Iowa - epidemiology Occupational Exposure - statistics & numerical data Oropharynx - microbiology DNA, Bacterial - isolation & purification Cross-Sectional Studies Occupational Exposure - adverse effects Nasal Mucosa - microbiology Animals Proteobacteria - isolation & purification Streptococcus - genetics Microbiota - genetics Animal Husbandry RNA, Ribosomal, 16S - genetics Swine - microbiology Aged

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