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Updated: Jun 23, 2025

Isolation and Identification of Waterborne Antibiotic-Resistant Bacteria and Molecular Characterization of their Antibiotic Resistance Genes
Published on: March 3, 2023
Research Note: The structure and diversity of antibiotic resistance genes in animal house environment
Zhuo Chen1, Xiaojie Wan1, Cheng Lou1
1Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, School of Life Science and Engineering, Foshan University, Foshan 528000, China.
Abstract:
In recent years, a series of public health issues caused by the spread of antibiotic resistance have been widely concerned. The indoor air of livestock and poultry houses is considered to be one of the main sources of environmental contamination of ARGs. This study characterized the micro-organisms and ARGs in the air particulate matter of chicken houses using metagenomics. The study successfully detected 761 different subtypes of resistance genes including aminoglycosides, tetracyclines, MLSB etc., 4 types of mobile genetic elements, and various pathogenic microorganisms from the aerosols in the chicken coop environment. The results showed that the abundance of ARGs in the air of the chicken coop was at a relatively high level, correlation network analysis showed that multiple types of ARGs could promote the emergence of antibiotic-resistant bacteria.
Insights
Antibiotic resistance genes (ARGs) are prevalent in chicken house air, posing a public health risk. Airborne ARGs in poultry environments can promote the spread of antibiotic-resistant bacteria.
Area of Science:
- Environmental Science
- Microbiology
- Public Health
Background:
- Antibiotic resistance is a growing global public health concern.
- Indoor air in livestock facilities is a potential source of antibiotic resistance genes (ARGs).
Purpose of the Study:
- To characterize microorganisms and ARGs in chicken house air particulate matter.
- To investigate the abundance and potential impact of ARGs in poultry environments.
Main Methods:
- Metagenomic analysis of air particulate matter from chicken houses.
- Detection and quantification of ARGs and mobile genetic elements.
- Correlation network analysis to understand ARG interactions.
Main Results:
- 761 ARGs subtypes (e.g., aminoglycosides, tetracyclines, MLSB) were detected.
- Four types of mobile genetic elements and pathogenic microorganisms were identified.
- High abundance of ARGs in chicken coop air was observed, with correlations suggesting promotion of antibiotic-resistant bacteria.
Conclusions:
- Chicken coop air harbors a significant diversity and abundance of ARGs.
- Airborne ARGs may contribute to the emergence and spread of antibiotic-resistant bacteria.
- Environmental monitoring of ARGs in livestock settings is crucial for public health protection.
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