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Abdullahi IN, Lozano C, Zarazaga M, Simón C, Höfle U, Sieber RN, Latorre-Fernández J, Stegger M, Torres C. Comparative genomics of Staphylococcus aureus strains from wild birds and pig farms elucidates levels of mobilomes, antibiotic pressure and host adaptation. J Glob Antimicrob Resist 2024; 36:142-150. [PMID: 38128728 DOI: 10.1016/j.jgar.2023.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 12/01/2023] [Accepted: 12/08/2023] [Indexed: 12/23/2023] Open
Abstract
OBJECTIVES This study characterized the resistome, mobilome and phylogenomic relatedness of Staphylococcus aureus strains previously obtained from healthy nestling storks (HNS), pigs (HP) and pig farmers (HPF) to analyse possible transmission pathways of S. aureus with implications for the spread of antimicrobial resistance. METHODS The genomic contents of 52 S. aureus strains obtained from the nasal cavity of HNS, HP and HPF in Spain were sequenced using the Illumina NextSeq platform to characterize their resistome, virulome and mobile genetic elements. The relatedness of strains was assessed by core-genome single nucleotide polymorphisms (SNPs). RESULTS The frequencies of multidrug-resistance phenotype and transposons were significantly lower in strains from HNS than in those from HP and HPF (P < 0.005). However, the presence of human immune evasion cluster genes in S. aureus strains from HNS was significantly higher than in those from HP and HPF (P < 0.005). Interestingly, the frequencies of plasmids and phages were not significantly associated with the host (P > 0.05). The phylogenetic analysis identified a cluster of all the MSSA-CC398 strains carrying φSa3 and ermT on rep13 separately from the two MRSA-CC398 strains (carrying ermT on repUS18). Highly related MRSA-CC398 strains were detected in some pigs and related farmers (<10 SNPs). CONCLUSION This study confirms high-level antibiotic selection in S. aureus in HP and HPF in comparison to HNS. Furthermore, our findings highlight the continuous transmission of MRSA-CC398 in the pig-to-human interface and MSSA-CC398 with human adaptation markers in HNS. Molecular surveillance of S. aureus using the One Health model is required to establish appropriate control strategies.
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Affiliation(s)
- Idris Nasir Abdullahi
- Area of Biochemistry and Molecular Biology, OneHealth-UR Research Group, University of La Rioja, Logroño, Spain
| | - Carmen Lozano
- Area of Biochemistry and Molecular Biology, OneHealth-UR Research Group, University of La Rioja, Logroño, Spain
| | - Myriam Zarazaga
- Area of Biochemistry and Molecular Biology, OneHealth-UR Research Group, University of La Rioja, Logroño, Spain
| | - Carmen Simón
- Faculty of Veterinary Medicine, University of Zaragoza, Zaragoza, Spain
| | - Ursula Höfle
- Spanish Wildlife Research Institute IREC (CSIC‑UCLM‑JCCM), SaBio (Health and Biotechnology) Research Group, Ciudad Real, Spain
| | - Raphael N Sieber
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Javier Latorre-Fernández
- Area of Biochemistry and Molecular Biology, OneHealth-UR Research Group, University of La Rioja, Logroño, Spain
| | - Marc Stegger
- Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark; Antimicrobial Resistance and Infectious Diseases Laboratory, Harry Butler Institute, Murdoch University, Murdoch, Western Australia, Australia
| | - Carmen Torres
- Area of Biochemistry and Molecular Biology, OneHealth-UR Research Group, University of La Rioja, Logroño, Spain.
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Adhikari A, Koju NP, Maharjan B, Khanal L, Upreti M, Kyes RC. Gastro-intestinal parasites of urban rhesus macaques ( Macaca mulatta) in the Kathmandu Valley, Nepal. Int J Parasitol Parasites Wildl 2023; 22:175-183. [PMID: 37915770 PMCID: PMC10615899 DOI: 10.1016/j.ijppaw.2023.10.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 10/10/2023] [Accepted: 10/10/2023] [Indexed: 11/03/2023]
Abstract
Intestinal parasitic infections such as amoebiasis, ascariasis, hookworm infection, and trichuriasis are the most common infections among non-human primates (NHPs). There are always the possibilities of transmission these parasites between humans and NHPs. Multiple groups of rhesus macaques (Macaca mulatta) live in the urban area of Kathmandu Valley near human settlements, however the gastrointestinal (GI) parasitic infections in those macaques are understudied. This study aimed to explore the GI parasites in free-ranging macaques from Pashupatinath, Swayambhunath, Tripureshwor, Nilbarahi temples and a group of captive rhesus macaques in the Central Zoo, Kathmandu. Fecal samples were collected from the macaques between October 2021 to September 2022 and assessed for parasites by the both wet mount method and concentration technique. There is high prevalence of GI parasite infection; out of 121 fecal samples examined, 87.6% of samples were positive. Six species of protozoans and eight species of helminths were identified from the fecal samples including the first report of Iodamoeba butschlii in monkeys of Nepal. Among the protozoan parasites, Entamoeba coli (54.71%) showed the highest prevalence followed by Balantioides coli (44.33%), E. histolytica (19.81%), and Iodamoeba butschlii (10%). Among the helminths, Trichuris spp. (31.13%) and Strongyloides spp. (31.13%) showed the highest prevalence followed by Hookworm (24.52%), and Strongyle spp. (23.58%). The likelihood ratio test suggested that the prevalence differed significantly with the seasons for Iodamoeba butschlii, Giardia spp., Strongyles spp., Hookworm, and Trichostrongylus spp. The prevalence of E. histolytica, E. coli, Iodamoeba. butschlii, Trichuris spp., Trichostrongylus spp., and Unknown spp.1 differed with sampling localities. The high prevalence of GI parasites found in the macaques living in the densely urbanized Kathmandu presents a potential threat to humans and warrants further study as well as increased education of the public and management of the human-macaque interface in the urban landscape of the Valley.
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Affiliation(s)
- Asmita Adhikari
- Goldengate International College, Tribhuvan University, Nepal
| | - Narayan Prasad Koju
- Center for Postgraduate Studies, Nepal Engineering College, Pokhara University, Nepal
- Department of Psychology, University of Washington. Guthrie Hall (GTH), 119A 98195-1525, Seattle, WA, 98105, USA
| | | | - Laxman Khanal
- Central Department of Zoology, Institute of Science and Technology, Tribhuvan University, Kathmandu, 44618, Nepal
| | - Milan Upreti
- Goldengate International College, Tribhuvan University, Nepal
| | - Randall C. Kyes
- Department of Psychology, University of Washington. Guthrie Hall (GTH), 119A 98195-1525, Seattle, WA, 98105, USA
- Departments of Global Health and Anthropology, Center for Global Field Study, Washington National Primate Research Center, University of Washington. 3018 Western Ave, Seattle, WA, 98121, USA
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Tseng AS, Roberts MC, Weissman SJ, Rabinowitz PM. Study of heavy metal resistance genes in Escherichia coli isolates from a marine ecosystem with a history of environmental pollution (arsenic, cadmium, copper, and mercury). PLoS One 2023; 18:e0294565. [PMID: 37972039 PMCID: PMC10653420 DOI: 10.1371/journal.pone.0294565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 11/04/2023] [Indexed: 11/19/2023] Open
Abstract
We analyzed whole genome sequences of 308 Escherichia coli isolates from a marine ecosystem to determine the prevalence and relationships of heavy metal resistance genes (HMRGs) and antibiotic resistance genes (ARGs), as well as the presence of plasmid sequences. We screened all genomes for presence of 18 functional HMRGs conferring resistance to arsenic, cadmium, copper, or cadmium/mercury. In subset analyses, we examined geographic variations of HMRG carriage patterns in 224 isolates from water sources, and sought genetic linkages between HMRGs and ARGs in 25 genomes of isolates resistant to antibiotics. We found high carriage rates of HMRGs in all genomes, with 100% carrying at least one copy of 11 out of 18 HMRGs. A total of 173 (56%) of the isolates carried both HMRGs and plasmid sequences. In the 25 genomes of antibiotic-resistant isolates, 80% (n = 20) carried HMRGs, ARGs, and plasmid sequences, while 40% (n = 10) had linked HMRGs and ARGs on their assembled genomes. We found no evidence of geographic variation in HMRG frequency, nor any association between locational proximity to Superfund sites and co-carriage of HMRGs and ARGs. Our study findings indicate that HMRGs are common among E. coli in marine ecosystems, suggesting widespread heavy metal presence in water sources of a region with history of environmental pollution. Further research is needed to determine the role HMRGs play in driving antimicrobial resistance in human pathogens through genetic linkage and the value their detection in environmental bacterial genomes may offer as an indicator of environmental heavy metal pollution.
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Affiliation(s)
- Ashley S. Tseng
- Department of Epidemiology, University of Washington, Seattle, Washington, United States of America
| | - Marilyn C. Roberts
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, Washington, United States of America
| | - Scott J. Weissman
- Division of Infectious Diseases, Seattle Children’s Hospital, Seattle, Washington, United States of America
| | - Peter M. Rabinowitz
- Department of Epidemiology, University of Washington, Seattle, Washington, United States of America
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, Washington, United States of America
- Center for One Health Research, Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, Washington, United States of America
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Pumipuntu N, Chamnandee T, Saengthong K, Pathomthanasarn S, Tanee T, Kyes P, Thamsenanupap P, Karaket A, Roberts MC, Kyes RC. Investigation of methicillin-resistant Staphylococcus aureus, methicillin-susceptible Staphylococcus aureus, and Staphylococcus argenteus from wild long-tailed macaques ( Macaca fascicularis) at Kosumpee Forest Park, Maha Sarakham, Thailand. Vet World 2022; 15:2693-2698. [PMID: 36590126 PMCID: PMC9798064 DOI: 10.14202/vetworld.2022.2693-2698] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 10/13/2022] [Indexed: 11/27/2022] Open
Abstract
Background and Aim In the past, the prevalence of methicillin-resistant Staphylococcus aureus (MRSA) infections in both humans and animals has increased across Thailand. Staphylococcus argenteus has been associated with infections among humans, exotic pets, and livestock. Both species have been identified in non-human primate species from geographically diverse locations but not from non-human primates in Thailand. This study aimed to determine the presence of MRSA/methicillin-susceptible S. aureus (MSSA) and S. argenteus isolates collected from buccal swab samples in Macaca fascicularis at Kosumpee Forest Park (KFP), Maha Sarakham, Northeast Thailand. Materials and Methods Aseptic buccal swab samples were collected from 30 free-ranging macaques in November 2018. All isolates were tested using multiple biochemical tests and S. aureus latex slide agglutination test. Presumptive S. aureus isolates were tested for the presence of the mecA gene using polymerase chain reaction (PCR) assays. The isolates were phenotypically determined to be resistant to a β-lactam antibiotic using the disk diffusion method with a 30 mg cefoxitin disk. The isolates were analyzed by PCR for the non-ribosomal peptide synthetase (NRPS) gene to distinguish S. argenteus from S. aureus. Results Fifteen macaques (50%) were colonized with S. aureus and 21 isolates were characterized. Three of the macaques carried both the MRSA and MSSA isolate. One animal carried both MRSA and S. argenteus isolate, and one animal carried only S. argenteus. The NRPS gene analysis confirmed that 2 isolates (9.52%) were S. argenteus and 19 isolates (90.48%) were S. aureus [five MSSA and 14 MRSA]. Conclusion This study is the first to identify MRSA/MSSA and S. argenteus in wild free-ranging M. fascicularis from Thailand at the KFP in Maha Sarakham. This study is also the first report on the occurrence of S. argenteus carriage in M. fascicularis from Thailand.
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Affiliation(s)
- Natapol Pumipuntu
- One Health Research Unit, Mahasarakham University, Maha Sarakham, Thailand,Veterinary Infectious Disease Research Unit, Mahasarakham University, Maha Sarakham, Thailand,Faculty of Veterinary Sciences, Mahasarakham University, Maha Sarakham, Thailand,Corresponding author: Natapol Pumipuntu, e-mail: Co-authors: TC: , KS: , SP: , TT: , PK: , PT: , AK: , MCR: , RCK:
| | - Thanyaphorn Chamnandee
- One Health Research Unit, Mahasarakham University, Maha Sarakham, Thailand,Faculty of Veterinary Sciences, Mahasarakham University, Maha Sarakham, Thailand
| | - Kittisak Saengthong
- One Health Research Unit, Mahasarakham University, Maha Sarakham, Thailand,Faculty of Veterinary Sciences, Mahasarakham University, Maha Sarakham, Thailand
| | - Suvit Pathomthanasarn
- One Health Research Unit, Mahasarakham University, Maha Sarakham, Thailand,Faculty of Veterinary Sciences, Mahasarakham University, Maha Sarakham, Thailand
| | - Tawatchai Tanee
- One Health Research Unit, Mahasarakham University, Maha Sarakham, Thailand,Faculty of Environment and Resource Studies, Mahasarakham University, Maha Sarakham, Thailand
| | - Pensri Kyes
- Department of Psychology, Center for Global Field Study, and Washington National Primate Research Center, University of Washington, Seattle, Washington, USA
| | - Penkhae Thamsenanupap
- One Health Research Unit, Mahasarakham University, Maha Sarakham, Thailand,Faculty of Environment and Resource Studies, Mahasarakham University, Maha Sarakham, Thailand
| | - Apichat Karaket
- Department of National Parks, Wildlife and Plant Conservation, Bangkok, Thailand
| | - Marilyn C. Roberts
- Department of Environmental and Occupational Health, University of Washington, Seattle, Washington, USA
| | - Randall C. Kyes
- Departments of Psychology, Global Health, and Anthropology, Center for Global Field Study, and Washington National Primate Research Center, University of Washington, Seattle, Washington, USA
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