Metagenomic Analysis Reveals Houseflies As Indicators for Monitoring Environmental Antibiotic Resistance Genes

Overview

Journal Environ Microbiol Rep

Date 2024 Nov 19

PMID 39562308

Authors

Yuhan Yang

Ping Xu

Wei He

Fei Tao

Affiliations

Soon will be listed here.

Abstract

Given the threat to public health posed by antibiotic resistance transmission, environmental monitoring is essential for tracking antibiotic resistance genes (ARGs). Houseflies, being ubiquitous organisms capable of carrying and disseminating ARGs, serve as suitable indicators for environmental monitoring. In this study, we employ metagenomic approaches to investigate housefly body surface samples from five typical sites associated with human activities. The investigation reveals microbiome diversity among the samples, along with variations in the occurrence and mobility potential of ARGs. Metagenomic analysis indicates that the composition of ARGs on housefly body surfaces is influenced by environmental ARGs, which may be enriched on the housefly body surface. The resistance genes related to multidrug, β-lactam, bacitracin, and tetracycline were the predominant ARGs detected, with multidrug-related ARGs consistently exhibiting dominance. Furthermore, the abundance of ARGs in the different housefly body surface samples was found to correlate with the population density and mobility of the sampling site. Natural environments exhibited the lowest ARG abundance, while areas with higher population density and limited population mobility displayed higher ARG abundance. This study emphasizes the effectiveness of houseflies as monitors for environmental ARGs and underscores their potential for assessing and controlling antibiotic resistance risks in urban environments.

Citing Articles

Metagenomic analysis reveals houseflies as indicators for monitoring environmental antibiotic resistance genes.

Yang Y, Xu P, He W, Tao F Environ Microbiol Rep. 2024; 16(6):e70032.

PMID: 39562308 PMC: 11576324. DOI: 10.1111/1758-2229.70032.

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