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Author Spotlight: Microbial Control and Monitoring Strategies for Cleanroom Environments and Cellular Therapies
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Functional areas shape indoor microbial structure and potential risks in university dormitories.

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University dorms in hot climates harbor diverse indoor microbes and pathogens, with floors acting as hotspots. Temperature significantly impacts microbial communities, highlighting the need for better hygiene management.

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Area of Science:

  • Environmental Microbiology
  • Indoor Air Quality
  • Public Health

Background:

  • Indoor microbial exposure, especially from pathogens, presents health risks.
  • Limited understanding of indoor microbiome spatial distribution in university dormitories, particularly in hot, humid regions.

Purpose of the Study:

  • To investigate the spatial distribution and environmental drivers of indoor microbial communities and potential pathogens in university dormitories.
  • To identify key microbial hotspots and understand community assembly processes.

Main Methods:

  • Collected 56 samples from four functional areas (air conditioning, sink, toilet, floor) in Shenzhen, China dormitories.
  • Utilized 16S rRNA gene sequencing for microbial community analysis.
  • Employed FAPROTAX for predicting microbial functions and identifying potential pathogens.

Main Results:

  • Microbial communities dominated by human-associated genera (e.g., Kocuria, Corynebacterium, Staphylococcus) with distinct spatial variations.
  • Identified 74 potential human pathogens, with Acinetobacter prevalent in air conditioning systems.
  • Floor surfaces emerged as microbial hotspots; temperature was a key environmental driver, while occupant characteristics had minimal impact.

Conclusions:

  • Indoor microbiome composition is significantly influenced by functional areas and environmental factors like temperature.
  • Floors play a crucial role in indoor microbial connectivity.
  • Stochastic processes, including dispersal limitation and ecological drift, dominate microbial and pathogen community assembly.