ArticleFrontiers in microbiology2026
Spatiotemporal characteristics of environmental microbial communities and resistomes in intensive care units of a tertiary hospital in northwest China.
Article in Frontiers in microbiology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Background: Intensive care units (ICUs) are high-risk settings for healthcare-acquired infections (HAIs). It is essential to characterize the microorganisms and antimicrobial resistance genes (ARGs) in ICU environments for prevention and control of HAIs. Methods: Totally, 206 environmental and patient samples were collected from general ICU (GICU), emergency ICU (EICU), pediatric ICU (PICU), and neonatal ICU (NICU). Longitudinal sampling was conducted in PICU at four time points from May 2024 to March 2025. All samples were subjected to metagenomic sequencing. The differences of microbial and ARG profiles were further analyzed across different ICU types as well as sampling areas and times. Results: Alpha diversity did not differ among ICU types. In contrast, microbial community composition varied across ICUs (PERMANOVA, Conclusions: These findings demonstrate obvious spatial and temporal variability in microbial and ARG profiles across ICU environments, supporting the development of targeted infection control strategies.
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