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House dust microbiome and human health risks

Yifan Shan1, Weidong Wu2, Wei Fan1

  • 1School of Public Health, Xinxiang Medical University, 601 Jinsui Street, Xinxiang, 453003, Henan Province, People's Republic of China.

International Microbiology : the Official Journal of the Spanish Society for Microbiology
|February 28, 2019
PubMed

Insights

House dust harbors diverse microbes that significantly impact human health, influencing allergies, gut microbiome, and immunity. Understanding indoor microbial exposure is crucial for public health.

Area of Science:

  • Environmental microbiology
  • Human health and disease
  • Microbiome research

Background:

  • Humans spend significant time indoors, making the indoor microbiome a critical environmental exposure.
  • Awareness of indoor microbial exposure and its health implications is currently limited.
  • The indoor microbiome is shaped by outdoor sources, indoor conditions, occupants, and pets.

Purpose of the Study:

  • To review the origins and composition of fungal and bacterial communities in house dust.
  • To explore the potential health effects of house dust microbes on humans.
  • To establish a foundation for studying the interactions between house dust microbes, host microbiome, and the immune system.

Main Methods:

  • Literature review on indoor microbiome origins and components.
  • Analysis of house dust as a reservoir for microbial communities.
  • Synthesis of current knowledge on health impacts, including allergies, gut microbiome, and immune responses.

Main Results:

  • House dust contains a vast array of microbial species (estimated 500-1000).
  • House dust acts as a significant source and reservoir influencing the human microbiome.
  • Microbial exposure from house dust is linked to allergic disorders, gut microbiome alterations, and immune system modulation.

Conclusions:

  • House dust microbiome composition and origins are complex, influenced by multiple factors.
  • Understanding the indoor microbiome, particularly from house dust, is essential for human health.
  • Further research is needed to elucidate the mechanisms of house dust microbial interactions with host microbiome and immunity.
Keywords:
Allergic diseasesBacterial communityFungal communityGut microbiomeHouse dust microbiome

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