Microbial analyses of airborne dust collected from dormitory rooms predict the sex of occupants

We have long known that human occupants are a major source of microbes in the built environment, thus raising the question: How much can we learn about the occupants of a building by analyzing the microbial communities found in indoor air? We investigated bacterial and fungal diversity found in airb...

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Veröffentlicht in:Indoor air 2017-03, Vol.27 (2), p.338-344
Hauptverfasser: Luongo, J. C., Barberán, A., Hacker‐Cary, R., Morgan, E. E., Miller, S. L., Fierer, N.
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container_end_page 344
container_issue 2
container_start_page 338
container_title Indoor air
container_volume 27
creator Luongo, J. C.
Barberán, A.
Hacker‐Cary, R.
Morgan, E. E.
Miller, S. L.
Fierer, N.
description We have long known that human occupants are a major source of microbes in the built environment, thus raising the question: How much can we learn about the occupants of a building by analyzing the microbial communities found in indoor air? We investigated bacterial and fungal diversity found in airborne dust collected onto heating, ventilation, and air‐conditioning (HVAC) air filters and settling plates from 91 rooms within a university dormitory. The sex of the room occupants had the most significant effect on the bacterial communities, while the room occupants had no significant effect on fungal communities. By examining the abundances of bacterial genera, we could predict the sex of room occupants with 79% accuracy, a finding that demonstrates the potential forensic applications of studying indoor air microbiology. We also identified which bacterial taxa were indicators of female and male rooms, and found that those taxa often identified as members of the vaginal microbiome were more common in female‐occupied rooms while taxa associated with human skin or the male urogenital microbiota were more common in male‐occupied rooms.
doi_str_mv 10.1111/ina.12302
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subjects Air Microbiology
Air Pollutants - analysis
Air Pollution, Indoor - analysis
Bacteria
Bacteria - classification
Bioaerosol
Built environment microbiome
Communities
Dormitories
Dust
Dust - analysis
Dust control
Environmental Monitoring - methods
Female
Fungi
Heating
Housing - statistics & numerical data
Humans
HVAC filter
Indoor air
Indoor air quality
Male
Males
Microorganisms
Phylogeny
Sex
Sex Factors
Universities
Urogenital System - microbiology
title Microbial analyses of airborne dust collected from dormitory rooms predict the sex of occupants
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