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Uea-Anuwong T, Biggel M, Cernela N, Hung WW, Lugsomya K, Kiu LH, Gröhn YT, Boss S, Stephan R, Nüesch-Inderbinen M, Magouras I. Antimicrobial resistance and phylogenetic relatedness of extended-spectrum ß-lactamase (ESBL)-producing Escherichia coli in peridomestic rats (Rattus norvegicus and Rattus tanezumi) linked to city areas and animal farms in Hong Kong. ENVIRONMENTAL RESEARCH 2024; 251:118623. [PMID: 38462086 DOI: 10.1016/j.envres.2024.118623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 03/01/2024] [Accepted: 03/02/2024] [Indexed: 03/12/2024]
Abstract
Extended-spectrum β-lactamase-producing Escherichia (E.) coli (ESBL-EC) in the clinical setting have emerged as a major threat to public and animal health. Wildlife, including Rattus spp. may serve as reservoirs and spreaders of ESBL-EC in the environment. Peridomestic rats are well adapted to living in proximity to humans and animals in a variety of urban and agricultural environments and may serve as sentinels to identify variations of ESBL-EC within their different habitats. In this study, a set of 221 rats (Rattus norvegicus, R. tanezumi, R. andamanensis, and Niviventer huang) consisting of 104 rats from city areas, 44 from chicken farms, 52 from pig farms, and 21 from stables of horse-riding schools were screened for ESBL-EC. Overall, a total of 134 ESBL-EC were isolated from the caecal samples of 130 (59%) rats. The predominant blaESBL genes were blaCTX-M-14, blaCTX-M-15, blaCTX-M-55, and blaCTX-M-65. Phylogenetic analysis revealed a total of 62 sequence types (STs) and 17 SNP clusters. E. coli ST10 and ST155 were common to ESBL-EC from city areas and chicken farms, and ST44 were found among ESBL-EC from city areas and pig farms. Extra-intestinal pathogenic E. coli (ExPEC) ST69, ST131 and ST1193 were found exclusively among rats from city areas, and avian pathogenic E. coli (APEC) ST177 was restricted to ESBL-EC originating from chicken farms. Phylogenetic analysis showed that the populations of rodent ESBL-EC from city areas, chicken farms and pig farms were genetically different, suggesting a certain degree of partitioning between the human and animal locations. This study contributes to current understanding of ESBL-EC occurring in rats in ecologically diverse locations.
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Affiliation(s)
- Theethawat Uea-Anuwong
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
| | - Michael Biggel
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
| | - Nicole Cernela
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | - Wu Wai Hung
- Centre for Applied One Health Research and Policy Advice, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
| | - Kittitat Lugsomya
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
| | - Lam Hoi Kiu
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
| | - Yrjö Tapio Gröhn
- Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - Sara Boss
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | - Roger Stephan
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, 8057, Zurich, Switzerland
| | | | - Ioannis Magouras
- Department of Infectious Diseases and Public Health, Jockey Club College of Veterinary Medicine, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China; Centre for Applied One Health Research and Policy Advice, City University of Hong Kong, Kowloon Tong, Hong Kong Special Administrative Region, China
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Devanathan N, Mukhopadhyay HK, Sihag KK, Terence Nathan A, Chakkaravarthi A, Srinivasan L, Srinivas MV, Vasu J, Shanmugam VP, Rahi M, Devaraju P. Synanthropic rodents and shrews are reservoirs of zoonotic bacterial pathogens and act as sentinels for antimicrobial resistance spillover in the environment: A study from Puducherry, India. One Health 2024; 18:100759. [PMID: 38784598 PMCID: PMC11111835 DOI: 10.1016/j.onehlt.2024.100759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024] Open
Abstract
Antimicrobial resistance (AMR) is a global public health concern and needs to be monitored for control. In this study, synanthropic rodents trapped from humans and animal habitats in Puducherry, India, were screened as sentinels for bacterial pathogens of public health importance and antimicrobial resistance spillover. From the trapped rodents and shrews (n = 100) pathogens viz., Staphylococcus sp, E. coli and Salmonella sp were isolated from oropharyngeal and rectal swabs on Mannitol salt, Mac Conkey and Xylose lysine deoxycholate media respectively. The AMR genes in these isolates were screened by PCR. A total of 76, S. aureus and 19, Staphylococcus non aureus were isolated. E. coli was isolated in 89 samples and among the Salmonella sp (n = 59), 16, were S. enteritidis and 29, were S. typhimurium. A total of 46 MRSA isolates with mec A (n = 40) and mec C (n = 6) were detected. Also, 36.84% and 5.3% Staphylococcus non aureus isolates were tested to have mec A and mec C genes. AMR genes encoding ESBL [blaTEM in 21, blaSHV in 45 and blaCTX-M in 11] was tested positive in 77 E. coli isolates. Among, Salmonella isolates 44/45 were screened to have AMR genes [tet in 13, sul3 & sul4 in 20 and qnrA in 11]. Antibiotic sensitivity test confirmed the antimicrobial resistance. Isolation of pathogens of public health importance and demonstration of genetic elements conferring antimicrobial resistance in the synanthropic rodents confirms that they act as reservoirs and appropriate sentinels to monitor AMR spillover in the environment.
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Affiliation(s)
- Nivedha Devanathan
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research (RIVER), Kurumbapet, Puducherry 605009, India
| | - Hirak Kumar Mukhopadhyay
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research (RIVER), Kurumbapet, Puducherry 605009, India
| | - Krishan Kumar Sihag
- Unit of One Health, ICMR- Vector Control Research Centre (ICMR-VCRC), Indira Nagar, Puducherry 605006, India
| | - A. Terence Nathan
- Unit of One Health, ICMR- Vector Control Research Centre (ICMR-VCRC), Indira Nagar, Puducherry 605006, India
| | - Aravindasamy Chakkaravarthi
- Unit of One Health, ICMR- Vector Control Research Centre (ICMR-VCRC), Indira Nagar, Puducherry 605006, India
| | - Lakshmy Srinivasan
- Unit of One Health, ICMR- Vector Control Research Centre (ICMR-VCRC), Indira Nagar, Puducherry 605006, India
| | - Mouttou Vivek Srinivas
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research (RIVER), Kurumbapet, Puducherry 605009, India
| | - Jayalakshmi Vasu
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research (RIVER), Kurumbapet, Puducherry 605009, India
| | - Venkatesa Perumal Shanmugam
- Department of Veterinary Biochemistry, Rajiv Gandhi Institute of Veterinary Education and Research (RIVER), Kurumbapet, Puducherry 605009, India
| | - Manju Rahi
- The Director, ICMR- Vector Control Research Centre (ICMR-VCRC), Indira Nagar, Puducherry 605006, India
| | - Panneer Devaraju
- Unit of One Health, ICMR- Vector Control Research Centre (ICMR-VCRC), Indira Nagar, Puducherry 605006, India
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Antimicrobial resistance in bacteria isolated from peridomestic Rattus species: A scoping literature review. One Health 2023. [DOI: 10.1016/j.onehlt.2023.100522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/07/2023] Open
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Oyaba Yinda LED, Onanga R, Mbehang Nguema PP, Akomo-Okoue EF, Nsi Akoue G, Longo Pendy NM, Otsaghe Ekore D, Lendamba RW, Mabika-Mabika A, Mbeang JCO, Poungou N, Ibrahim, Mavoungou JF, Godreuil S. Phylogenetic Groups, Pathotypes and Antimicrobial Resistance of Escherichia coli Isolated from Western Lowland Gorilla Faeces ( Gorilla gorilla gorilla) of Moukalaba-Doudou National Park (MDNP). Pathogens 2022; 11:1082. [PMID: 36297139 PMCID: PMC9607589 DOI: 10.3390/pathogens11101082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 07/27/2022] [Accepted: 07/28/2022] [Indexed: 11/23/2022] Open
Abstract
(1) Background: Terrestrial mammals in protected areas have been identified as a potential source of antimicrobial-resistant bacteria. Studies on antimicrobial resistance in gorillas have already been conducted. Thus, this study aimed to describe the phylogroups, pathotypes and prevalence of antimicrobial resistance of Escherichia coli isolated from western lowland gorilla's faeces living in MDNP. (2) Materials and Methods: Ninety-six faecal samples were collected from western lowland gorillas (Gorilla gorilla gorilla) during daily monitoring in the MDNP. Sixty-four E. coli isolates were obtained and screened for phylogenetic and pathotype group genes by polymerase chain reaction (PCR) after DNA extraction. In addition, antimicrobial susceptibility was determined by the disk diffusion method on Mueller Hinton agar. (3) Results: Sixty-four (64%) isolates of E. coli were obtained from samples. A high level of resistance to the beta-lactam family, a moderate rate for fluoroquinolone and a low rate for aminoglycoside was obtained. All E. coli isolates were positive in phylogroup PCR with a predominance of A (69% ± 11.36%), followed by B2 (20% ± 19.89%) and B1 (10% ± 8.90%) and low prevalence for D (1% ± 3.04%). In addition, twenty E. coli isolates (31%) were positive for pathotype PCR, such as EPEC (85% ± 10.82%) and EPEC/EHEC (15% ± 5.18%) that were obtained in this study. The majority of these MDR E. coli (DECs) belonged to phylogenetic group A, followed by MDR E. coli (DECs) belonging to group B2. (4) Conclusion: This study is the first description of MDR E. coli (DECs) assigned to phylogroup A in western lowland gorillas from the MDNP in Gabon. Thus, wild gorillas in MDNP could be considered as asymptomatic carriers of potential pathogenic MDR E. coli (DECs) that may present a potential risk to human health.
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Affiliation(s)
| | - Richard Onanga
- Laboratory of Bacteriology, Interdisciplinary Medical Research Center of Franceville, Franceville P.O. Box 769, Gabon
| | | | | | | | - Neil Michel Longo Pendy
- Laboratory of Vector Ecology, Interdisciplinary Medical Research Center of Franceville, Franceville P.O. Box 769, Gabon
| | - Desire Otsaghe Ekore
- Laboratory of Bacteriology, Interdisciplinary Medical Research Center of Franceville, Franceville P.O. Box 769, Gabon
| | - Roméo Wenceslas Lendamba
- Laboratory of Bacteriology, Interdisciplinary Medical Research Center of Franceville, Franceville P.O. Box 769, Gabon
| | - Arsène Mabika-Mabika
- Laboratory of Bacteriology, Interdisciplinary Medical Research Center of Franceville, Franceville P.O. Box 769, Gabon
| | | | - Natacha Poungou
- Microbiology Laboratory, Research Institute for Tropical Ecology, Libreville P.O. Box 13354, Gabon
| | - Ibrahim
- Laboratory of Biology, University of Science and Technology of Masuku, Franceville P.O. Box 913, Gabon
| | | | - Sylvain Godreuil
- Laboratoire de Bactériologie, CHU de Montpellier, UMR MIVEGEC (IRD, CNRS, Université de Montpellier), 34295 Montpellier, France
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Desire OE, Larson B, Richard O, Rolande MM, Serge KB. Investigating antibiotic resistance in enterococci in Gabonese livestock. Vet World 2022; 15:714-721. [PMID: 35497974 PMCID: PMC9047121 DOI: 10.14202/vetworld.2022.714-721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 02/10/2022] [Indexed: 01/14/2023] Open
Abstract
Background and Aim: The emergence of antibiotic resistance is a major problem worldwide. Antibiotics are often used to prevent or treat infections in livestock. This study aimed to investigate antibiotic resistance in enterococci in Gabonese livestock. Materials and Methods: We collected 174 animal samples (46 laying hens, 24 swine, 62 cattle, and 42 sheep) from farms in four provinces of Gabon. Bacterial strains belonging to the genus Enterococcus were obtained using selective media and polymerase chain reaction targeting the tuf gene. Antibiotic susceptibility was determined by the disk diffusion method on Mueller-Hinton agar. Results: Enterococci were present in 160 of the samples (97%), distributed as follows: laying hens (100%, 41/41), swine (100%, 22/22), small ruminants (88%, 37/42), and cattle (100%, 60/60). Resistance to cephalothin/cephalexin, streptomycin, and rifampicin (RIF) was high, and resistance to vancomycin (VAN), erythromycin, and tetracycline was moderate. A high diversity of resistance was found in Haut-Ogooué and Estuaire provinces. Laying hens and swine showed moderate levels of resistance to ciprofloxacin and penicillin, while sheep and cattle had high levels of resistance to RIF. All species showed a high level of resistance to VAN. We found various patterns of multiple resistances in the isolates, and the multiple resistance indexes ranged from 0.2 to 0.8. Conclusion: This study shows that livestock in Gabon can be considered potential reservoirs of resistance.
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Affiliation(s)
- Otsaghe Ekore Desire
- Centre International de Recherche Médicales de Franceville, BP: 769, Franceville, Gabon; Ecole Doctorale Régional d'Afrique Central, BP: 876, Franceville, Gabon
| | - Boundenga Larson
- Centre International de Recherche Médicales de Franceville, BP: 769, Franceville, Gabon; Department of Anthropology, Durham University, South Road, Durham, DH1 3LE, UK
| | - Onanga Richard
- Centre International de Recherche Médicales de Franceville, BP: 769, Franceville, Gabon
| | - Mabika Mabika Rolande
- Centre International de Recherche Médicales de Franceville, BP: 769, Franceville, Gabon
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