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Wilson GJL, Perez-Zabaleta M, Owusu-Agyeman I, Kumar A, Ghosh A, Polya DA, Gooddy DC, Cetecioglu Z, Richards LA. Discovery of sulfonamide resistance genes in deep groundwater below Patna, India. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 356:124205. [PMID: 38797351 DOI: 10.1016/j.envpol.2024.124205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 04/26/2024] [Accepted: 05/21/2024] [Indexed: 05/29/2024]
Abstract
Global usage of pharmaceuticals has led to the proliferation of bacteria that are resistant to antimicrobial treatments, creating a substantial public health challenge. Here, we investigate the emergence of sulfonamide resistance genes in groundwater and surface water in Patna, a rapidly developing city in Bihar, India. We report the first quantification of three sulfonamide resistance genes (sulI, sulII and sulIII) in groundwater (12-107 m in depth) in India. The mean relative abundance of gene copies was found to be sulI (2.4 × 10-2 copies/16S rRNA gene) > sulII (5.4 × 10-3 copies/16S rRNA gene) > sulIII (2.4 × 10-3 copies/16S rRNA gene) in groundwater (n = 15) and surface water (n = 3). A comparison between antimicrobial resistance (AMR) genes and wastewater indicators, particularly tryptophan:fulvic-like fluorescence, suggests that wastewater was associated with AMR gene prevalence. Urban drainage channels, containing hospital and domestic wastes, are likely a substantial source of antimicrobial resistance in groundwater and surface water, including the Ganges (Ganga) River. This study is a reference point for decision-makers in the fight against antimicrobial resistance because it quantifies and determines potential sources of AMR genes in Indian groundwater.
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Affiliation(s)
- George J L Wilson
- Department of Earth and Environmental Sciences and Williamson Research Centre for Molecular Environmental Science, The University of Manchester, Williamson Building, Oxford Road, Manchester, M13 9PL, United Kingdom
| | - Mariel Perez-Zabaleta
- Department of Industrial Biotechnology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, AlbaNova University Center, SE-106 91, Stockholm, Sweden
| | - Isaac Owusu-Agyeman
- Department of Industrial Biotechnology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, AlbaNova University Center, SE-106 91, Stockholm, Sweden
| | - Arun Kumar
- Mahavir Cancer Sansthan and Research Center, Phulwarisharif, Patna, 801505, Bihar, India
| | - Ashok Ghosh
- Mahavir Cancer Sansthan and Research Center, Phulwarisharif, Patna, 801505, Bihar, India
| | - David A Polya
- Department of Earth and Environmental Sciences and Williamson Research Centre for Molecular Environmental Science, The University of Manchester, Williamson Building, Oxford Road, Manchester, M13 9PL, United Kingdom
| | - Daren C Gooddy
- British Geological Survey, Maclean Building, Wallingford, Oxfordshire, OX10 8BB, United Kingdom
| | - Zeynep Cetecioglu
- Department of Industrial Biotechnology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, AlbaNova University Center, SE-106 91, Stockholm, Sweden
| | - Laura A Richards
- Department of Earth and Environmental Sciences and Williamson Research Centre for Molecular Environmental Science, The University of Manchester, Williamson Building, Oxford Road, Manchester, M13 9PL, United Kingdom.
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Depenbrock S, Schlesener C, Aly S, Williams D, ElAshmawy W, McArthur G, Clothier K, Wenz J, Fritz H, Chigerwe M, Weimer B. Antimicrobial Resistance Genes in Respiratory Bacteria from Weaned Dairy Heifers. Pathogens 2024; 13:300. [PMID: 38668255 PMCID: PMC11053459 DOI: 10.3390/pathogens13040300] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2024] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/29/2024] Open
Abstract
Bovine respiratory disease (BRD) is the leading cause of mortality and antimicrobial drug (AMD) use in weaned dairy heifers. Limited information is available regarding antimicrobial resistance (AMR) in respiratory bacteria in this population. This study determined AMR gene presence in 326 respiratory isolates (Pasteurella multocida, Mannheimia haemolytica, and Histophilus somni) from weaned dairy heifers using whole genome sequencing. Concordance between AMR genotype and phenotype was determined. Twenty-six AMR genes for 8 broad classes of AMD were identified. The most prevalent, medically important AMD classes used in calf rearing, to which these genes predict AMR among study isolates were tetracycline (95%), aminoglycoside (94%), sulfonamide (94%), beta-lactam (77%), phenicol (50%), and macrolide (44%). The co-occurrence of AMR genes within an isolate was common; the largest cluster of gene co-occurrence encodes AMR to phenicol, macrolide, elfamycin, β-lactam (cephalosporin, penam cephamycin), aminoglycoside, tetracycline, and sulfonamide class AMD. Concordance between genotype and phenotype varied (Matthew's Correlation Coefficient ranged from -0.57 to 1) by bacterial species, gene, and AMD tested, and was particularly poor for fluoroquinolones (no AMR genes detected) and ceftiofur (no phenotypic AMR classified while AMR genes present). These findings suggest a high genetic potential for AMR in weaned dairy heifers; preventing BRD and decreasing AMD reliance may be important in this population.
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Affiliation(s)
- Sarah Depenbrock
- Department of Veterinary Medicine and Epidemiology, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
| | - Cory Schlesener
- Department of Population Health and Reproduction, 100K Pathogen Genome Project, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA;
| | - Sharif Aly
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA
| | - Deniece Williams
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA
| | - Wagdy ElAshmawy
- Veterinary Medicine Teaching and Research Center, School of Veterinary Medicine, University of California Davis, Tulare, CA 93274, USA
- Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Cairo University, Giza 12613, Egypt
| | - Gary McArthur
- Swinging Udders Veterinarian Services, Galt, CA 95632, USA
| | - Kristin Clothier
- California Animal Health and Food Safety Laboratory, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
| | - John Wenz
- Field Disease Investigation Unit, Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, WA 99163, USA
| | - Heather Fritz
- California Animal Health and Food Safety Laboratory, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
| | - Munashe Chigerwe
- Department of Veterinary Medicine and Epidemiology, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA
| | - Bart Weimer
- Department of Population Health and Reproduction, 100K Pathogen Genome Project, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA;
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Wang L, Chai B. Fate of Antibiotic Resistance Genes and Changes in Bacterial Community With Increasing Breeding Scale of Layer Manure. Front Microbiol 2022; 13:857046. [PMID: 35356511 PMCID: PMC8959713 DOI: 10.3389/fmicb.2022.857046] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Accepted: 02/22/2022] [Indexed: 11/24/2022] Open
Abstract
The use of antimicrobials in intensive poultry production is becoming increasingly common because of its high throughput of meat and egg products. However, the profile of antibiotic resistance genes (ARGs) and the underlying mechanisms in different breeding scale farms were not fully explored. The study examined the profiles of ARGs in layer manure from three free-range and 12 intensive layer farms with different scales (N500, N5000, N10000, and N20000). A quantitative PCR (qPCR) array was used to quantify ARGs, and microbial community structure was analyzed by 16S rRNA gene sequencing. A total of 48 ARGs, belonging to seven major types, were identified in the layer manure samples, with sul2, tetM-01, and ermB being the predominant ones. The abundance, diversity, and mobility potential of ARGs in layer manure changed significantly with the increasing of the breeding scale. The abundances of total ARGs had significantly positive correlations with mobile genetic elements (MGEs), suggesting the mobility potential of ARGs in layer manure samples. Bacterial abundance did not show significant differences among the five group manure samples. However, bacterial diversity showed an increasing trend along the breeding scale. Pathogenic Bacteroidetes increased in the largest-scale layer manure samples and showed significant positive correlations with most ARGs. Network analysis revealed significant co-occurrence patterns between ARGs and microbial taxa, indicating ARGs had a wide range of bacterial hosts. Proteobacteria and Firmicutes were potential hosts for tetracycline and macrolide-lincosamide-streptogramin B (MLSB) resistant genes. Our results indicated that the expansion of the breeding scale of a farm promotes the abundance, diversity, and mobility potential of ARGs in layer manure.
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