ArticleFrontiers in microbiology2022
Determinants of bacterial and fungal microbiota in Finnish home dust: Impact of environmental biodiversity, pets, and occupants.
Article in Frontiers in microbiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 1 of them a synthesis that pooled it.
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Who cites it
10 citing papers in PubMed, 1 synthesis or guideline pooled it.
- The Indoor Microbiome: Sampling, Analysis and Emerging Trends.Environmental microbiology reports · 2026Pooled it
- A transdisciplinary process-oriented approach to evaluate infant exposure to indoor dust.Journal of exposure science & environmental epidemiology · 2026Article
- The role of dog keeping in the home microbiota and its impact on children's health.Pediatric allergy and immunology : official publication of the European Society of Pediatric Allergy and Immunology · 2026Article
- A pilot study on the relationship between temperature and humidity and the detection of basidiomycetes in sputum from patients with chronic cough in the Nagasaki region.Journal of thoracic disease · 2026Article
- Linking the bed dust microbiome with environmental factors and child respiratory health.Annals of human biology · 2025Article
- Multidrug antibiotic resistance index and antimicrobial resistance patterns of Escherichia coli in intensive pig farms in Kenya.One health outlook · 2025Article
- Characterization of the bacterial and fungal diversity in habitats of Corsica Island.Applied and environmental microbiology · 2025Article
- Occupants and surface types drive microbial dynamics in controlled indoor environments.Environmental microbiome · 2025Article
- Associations Between Indoor Fungal Community Structures and Environmental Factors: Insights from the Evidence-Driven Indoor Air-Quality Improvement Study.Journal of fungi (Basel, Switzerland) · 2025Article
- Biocontrol in built environments to reduce pathogen exposure and infection risk.The ISME journal · 2024Review
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The indoors is where many humans spend most of their time, and are strongly exposed to indoor microbiota, which may have multifaceted effects on health. Therefore, a comprehensive understanding of the determinants of indoor microbiota is necessary. We collected dust samples from 295 homes of families with young children in the Helsinki region of Finland and analyzed the bacterial and fungal composition based on the 16S rRNA and ITS DNA sequences. Microbial profiles were combined with extensive survey data on family structure, daily life, and physical characteristics of the home, as well as additional external environmental information, such as land use, and vegetational biodiversity near the home. Using permutational multivariate analysis of variance we explained 18% of the variation of the relative abundance between samples within bacterial composition, and 17% of the fungal composition with the explanatory variables. The fungal community was dominated by the phyla Basidiomycota, and Ascomycota; the bacterial phyla Proteobacteria, Firmicutes, Cyanobacteria, and Actinobacteria were dominant. The presence of dogs, multiple children, and firewood were significantly associated with both the fungal and bacterial composition. Additionally, fungal communities were associated with land use, biodiversity in the area, and the type of building, while bacterial communities were associated with the human inhabitants and cleaning practices. A distinction emerged between members of Ascomycota and Basidiomycota, Ascomycota being more abundant in homes with greater surrounding natural environment, and potential contact with the environment. The results suggest that the fungal composition is strongly dependent on the transport of outdoor environmental fungi into homes, while bacteria are largely derived from the inhabitants.
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