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October 2, 2025Environmental Science & Technology

Antarctic Environmental Resistomes Closely Associated with Human and Animal Waste Releases

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Authors

DWDong WuMGMarc W. Van GoethemDGDavid W. Graham

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Overview

Metagenomic sequencing reveals higher ARG levels near waste sites in Antarctica, suggesting waste management is crucial.

Key Points

  • Antarctic samples show a 10-fold increase in antibiotic resistance genes near waste-impacted areas, indicating a strong link.
  • Metagenomic sequencing of 85 samples revealed plasmids have more association with ARGs than phages, highlighting their role in resistance.
  • Pseudomonas, Staphylococcus, Bacillus, and Mycobacterium dominate the microbial community, significantly influencing ARG prevalence.
  • Effective management of human and animal waste is essential to protect the pristine Antarctic environment from expanding resistomes.

Cite This Study

Wu et al. (2025) studied this question.

synapsesocial.com/papers/68de8eaeaa6cec72c69ea7dchttps://doi.org/10.1021/acs.est.5c06023
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