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Ahlstrom CA, Woksepp H, Sandegren L, Ramey AM, Bonnedahl J. Exchange of Carbapenem-Resistant Escherichia coli Sequence Type 38 Intercontinentally and among Wild Bird, Human, and Environmental Niches. Appl Environ Microbiol 2023; 89:e0031923. [PMID: 37195171 PMCID: PMC10304903 DOI: 10.1128/aem.00319-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 05/03/2023] [Indexed: 05/18/2023] Open
Abstract
Carbapenem-resistant Enterobacteriaceae (CRE) are a global threat to human health and are increasingly being isolated from nonclinical settings. OXA-48-producing Escherichia coli sequence type 38 (ST38) is the most frequently reported CRE type in wild birds and has been detected in gulls or storks in North America, Europe, Asia, and Africa. The epidemiology and evolution of CRE in wildlife and human niches, however, remains unclear. We compared wild bird origin E. coli ST38 genome sequences generated by our research group and publicly available genomic data derived from other hosts and environments to (i) understand the frequency of intercontinental dispersal of E. coli ST38 clones isolated from wild birds, (ii) more thoroughly measure the genomic relatedness of carbapenem-resistant isolates from gulls sampled in Turkey and Alaska, USA, using long-read whole-genome sequencing and assess the spatial dissemination of this clone among different hosts, and (iii) determine whether ST38 isolates from humans, environmental water, and wild birds have different core or accessory genomes (e.g., antimicrobial resistance genes, virulence genes, plasmids) which might elucidate bacterial or gene exchange among niches. Our results suggest that E. coli ST38 strains, including those resistant to carbapenems, are exchanged between humans and wild birds, rather than separately maintained populations within each niche. Furthermore, despite close genetic similarity among OXA-48-producing E. coli ST38 clones from gulls in Alaska and Turkey, intercontinental dispersal of ST38 clones among wild birds is uncommon. Interventions to mitigate the dissemination of antimicrobial resistance throughout the environment (e.g., as exemplified by the acquisition of carbapenem resistance by birds) may be warranted. IMPORTANCE Carbapenem-resistant bacteria are a threat to public health globally and have been found in the environment as well as the clinic. Some bacterial clones are associated with carbapenem resistance genes, such as Escherichia coli sequence type 38 (ST38) and the carbapenemase gene blaOXA-48. This is the most frequently reported carbapenem-resistant clone in wild birds, though it was unclear if it circulated within wild bird populations or was exchanged among other niches. The results from this study suggest that E. coli ST38 strains, including those resistant to carbapenems, are frequently exchanged among wild birds, humans, and the environment. Carbapenem-resistant E. coli ST38 clones in wild birds are likely acquired from the local environment and do not constitute an independent dissemination pathway within wild bird populations. Management actions aimed at preventing the environmental dissemination and acquisition of antimicrobial resistance by wild birds may be warranted.
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Affiliation(s)
| | - Hanna Woksepp
- Department of Research, Kalmar County Region, Kalmar, Sweden
- Department of Chemistry and Biomedical Sciences, Linnaeus University, Kalmar, Sweden
| | - Linus Sandegren
- Department of Medical Biochemistry and Microbiology, Infection Biology, Antimicrobial Resistance and Immunology, Uppsala University, Uppsala, Sweden
| | - Andrew M. Ramey
- Alaska Science Center, U.S. Geological Survey, Anchorage, Alaska, USA
| | - Jonas Bonnedahl
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
- Department of Infectious Diseases, Kalmar County Region, Kalmar, Sweden
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Ren H, Lu Z, Sun R, Wang X, Zhong J, Su T, He Q, Liao X, Liu Y, Lian X, Sun J. Functional metagenomics reveals wildlife as natural reservoirs of novel β-lactamases. Sci Total Environ 2023; 868:161505. [PMID: 36626997 DOI: 10.1016/j.scitotenv.2023.161505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 12/21/2022] [Accepted: 01/05/2023] [Indexed: 06/17/2023]
Abstract
The antibiotic resistances in bacteria are believed to rapidly evolve over time in the anthropogenic environments which enriched with selection pressures. However, the knowledge regarding the development of antibiotic resistance in wildlife and their habitats is scarce. It is, therefore, of great interest and significance to unveil the yet-unknown antibiotic resistances in wildlife in accordance with One Health concept. To this end, we analyzed the samples taken from wildlife and surrounding environments using a functional metagenomics approach. By functional screening in combination with Illumina sequencing, a total of 32 candidate genes which encoding putative novel β-lactamase were identified. These putative β-lactamase were taxonomically assigned into bacteria of 23 genera from 7 phyla, where Proteobacteria, Actinobacteria and Firmicutes were dominant. The following functional assessment demonstrated that 4 novel β-lactamases, namely blaSSA, blaSSB1, blaSSB2 and blaSSD, were functionally active to confer the phenotypical resistance to bacteria by increasing MICs up to 128-fold. Further analysis indicated that the novel β-lactamases identified in the current study were able to hydrolyze a broad spectrum of β-lactams including cephalosporins, and they were genetically unique comparing with known β-lactamases. The plausible transmission of some novel β-lactamase genes was supported by our results as the same gene was detected in different samples from different sites. This study shed the light on the active role of wildlife and associated environments as natural reservoirs of novel β-lactamases, implying that the antibiotic resistances might evolve in absence of selection pressure and threaten public health once spread into clinically important pathogens.
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Affiliation(s)
- Hao Ren
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China
| | - Zhaoxiang Lu
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China
| | - Ruanyang Sun
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China
| | - Xiran Wang
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China
| | - Jiahao Zhong
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China
| | - Tiantian Su
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China
| | - Qian He
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China
| | - Xiaoping Liao
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Yahong Liu
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Xinlei Lian
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China
| | - Jian Sun
- Guangdong Laboratory for Lingnan Modern Agriculture, National Risk Assessment Laboratory for Antimicrobial Resistance of Animal Original Bacteria, College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Veterinary Pharmaceutics, Development and Safety Evaluation, South China Agricultural University, Guangzhou 510642, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Disease and Zoonoses, Yangzhou University, Yangzhou 225009, China.
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Di Francesco A, Salvatore D, Bertelloni F, Ebani VV. Tetracycline Resistance Genes in Wild Birds from a Wildlife Recovery Centre in Central Italy. Animals (Basel) 2022; 13:ani13010076. [PMID: 36611686 PMCID: PMC9817859 DOI: 10.3390/ani13010076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 12/03/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
Wild animals are less likely to be exposed directly to clinical antimicrobial agents than domestic animals or humans, but they can acquire antimicrobial-resistant bacteria through contact with humans, animals, and the environment. In the present study, 254 dead free-living birds belonging to 23 bird species were examined by PCR for the presence of tetracycline resistance (tet) genes. A fragment of the spleen was collected from each bird carcass. A portion of the intestine was also taken from 73 of the 254 carcasses. Extracted DNA was subjected to PCR amplification targeting the tet(L), tet(M), and tet(X) genes. In total, 114 (45%) of the 254 birds sampled belonging to 17 (74%) of the 23 bird species tested were positive for one or more tet genes. The tet(M) gene showed a higher frequency than the other tested genes, both in the spleen and in the intestine samples. These results confirm the potential role of wild birds as reservoirs, dispersers, or bioindicators of antimicrobial resistance in the environment.
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Affiliation(s)
- Antonietta Di Francesco
- Department of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano dell’Emilia, Italy
- Correspondence:
| | - Daniela Salvatore
- Department of Veterinary Medical Sciences, University of Bologna, 40064 Ozzano dell’Emilia, Italy
| | - Fabrizio Bertelloni
- Department of Veterinary Sciences, University of Pisa, Viale delle Piagge 2, 56124 Pisa, Italy
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Devnath P, Karah N, Graham JP, Rose ES, Asaduzzaman M. Evidence of Antimicrobial Resistance in Bats and Its Planetary Health Impact for Surveillance of Zoonotic Spillover Events: A Scoping Review. Int J Environ Res Public Health 2022; 20:243. [PMID: 36612565 PMCID: PMC9819402 DOI: 10.3390/ijerph20010243] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Revised: 12/15/2022] [Accepted: 12/16/2022] [Indexed: 06/16/2023]
Abstract
As a result of the COVID-19 pandemic, as well as other outbreaks, such as SARS and Ebola, bats are recognized as a critical species for mediating zoonotic infectious disease spillover events. While there is a growing concern of increased antimicrobial resistance (AMR) globally during this pandemic, knowledge of AMR circulating between bats and humans is limited. In this paper, we have reviewed the evidence of AMR in bats and discussed the planetary health aspect of AMR to elucidate how this is associated with the emergence, spread, and persistence of AMR at the human-animal interface. The presence of clinically significant resistant bacteria in bats and wildlife has important implications for zoonotic pandemic surveillance, disease transmission, and treatment modalities. We searched MEDLINE through PubMed and Google Scholar to retrieve relevant studies (n = 38) that provided data on resistant bacteria in bats prior to 30 September 2022. There is substantial variability in the results from studies measuring the prevalence of AMR based on geographic location, bat types, and time. We found all major groups of Gram-positive and Gram-negative bacteria in bats, which are resistant to commonly used antibiotics. The most alarming issue is that recent studies have increasingly identified clinically significant multi-drug resistant bacteria such as Methicillin Resistant Staphylococcus aureus (MRSA), ESBL producing, and Colistin resistant Enterobacterales in samples from bats. This evidence of superbugs abundant in both humans and wild mammals, such as bats, could facilitate a greater understanding of which specific pathways of exposure should be targeted. We believe that these data will also facilitate future pandemic preparedness as well as global AMR containment during pandemic events and beyond.
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Affiliation(s)
- Popy Devnath
- College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
- Department of Microbiology, Noakhali Science and Technology University, Noakhali 3814, Bangladesh
| | - Nabil Karah
- Department of Molecular Biology and Umeå Centre for Microbial Research, Umeå University, SE-901 87 Umeå, Sweden
| | - Jay P. Graham
- School of Public Health, University of California, Berkeley, CA 94720, USA
| | - Elizabeth S. Rose
- Vanderbilt Institute for Global Health, Vanderbilt University Medical Center, Nashville, TN 37203, USA
| | - Muhammad Asaduzzaman
- Department of Community Medicine and Global Health, Institute of Health and Society, Faculty of Medicine, University of Oslo, 450 Oslo, Norway
- Planetary Health Alliance, Boston, MA 02115, USA
- Planetary Health Working Group, Be-Cause Health, Institute of Tropical Medicine, Nationalestraat 155, 2000 Antwerp, Belgium
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Fulham M, Webster B, Power M, Gray R. Implications of Escherichia coli community diversity in free-ranging Australian pinniped pups. Infect Genet Evol 2022; 104:105351. [PMID: 35985441 DOI: 10.1016/j.meegid.2022.105351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 08/10/2022] [Accepted: 08/12/2022] [Indexed: 06/15/2023]
Abstract
Escherichia coli is a widely studied bacterium, commonly used as an indicator of faecal contamination. Investigations into the structure and diversity of E. coli in free-ranging wildlife species has been limited. The objective of this study was to characterise intra-individual and inter-species E. coli phylotype and B2 sub-type diversity in free-ranging Australian pinniped pups, to determine whether a single E. coli colony is representative of the phylotype and B2 sub-type diversity in these hosts. Faecal samples were collected from free-ranging Australian fur seal (Arctocephalus pusillus doriferus), Australian sea lion (Neophoca cinerea) and long-nosed fur seal (Arctocephalus forsteri) pups from three breeding colonies between 2018 and 2021. Faecal swabs from thirty randomly selected pups (n = 10 from each species) were cultured and ten E. coli colonies were selected from each culture based on morphology and separation between colonies on agar plates. Molecular screening techniques were utilised to assign isolates to phylotypes and B2 sub-types. There was no significant difference (p > 0.05) in either intra-individual or inter-species E. coli phylotype and B2 sub-type diversity. The B2 phylotype was the most dominant, with 78% of isolates (n = 234) assigned to this phylotype. Host factors (species, weight [kg] and standard length [cm]) did not significantly affect phylotype diversity. The absence of intra-individual and inter-species differences in E. coli diversity at a phylotype level suggests that a single E. coli colony could be used as an indicator of overall diversity of E. coli at a phylotype level in A. p. doriferus, N. cinerea and A. forsteri pups. These findings can be used to simplify and improve the efficiency of sampling protocols for ongoing monitoring of human-associated E. coli phylotypes in free-ranging pinniped populations.
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Affiliation(s)
- Mariel Fulham
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Camperdown, NSW, Australia.
| | - Bridget Webster
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Camperdown, NSW, Australia
| | - Michelle Power
- Department of Biological Sciences, Macquarie University, North Ryde, NSW, Australia.
| | - Rachael Gray
- Sydney School of Veterinary Science, Faculty of Science, The University of Sydney, Camperdown, NSW, Australia.
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Hobson CA, Pierrat G, Tenaillon O, Bonacorsi S, Bercot B, Jaouen E, Jacquier H, Birgy A. Klebsiella pneumoniae Carbapenemase Variants Resistant to Ceftazidime-Avibactam: an Evolutionary Overview. Antimicrob Agents Chemother 2022; 66:e0044722. [PMID: 35980232 DOI: 10.1128/aac.00447-22] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
First variants of the Klebsiella pneumoniae carbapenemase (KPC), KPC-2 and KPC-3, have encountered a worldwide success, particularly in K. pneumoniae isolates. These beta-lactamases conferred resistance to most beta-lactams including carbapenems but remained susceptible to new beta-lactam/beta-lactamase inhibitors, such as ceftazidime-avibactam. After the marketing of ceftazidime-avibactam, numerous variants of KPC resistant to this association have been described among isolates recovered from clinical samples or derived from experimental studies. In KPC variants resistant to ceftazidime-avibactam, point mutations, insertions and/or deletions have been described in various hot spots. Deciphering the impact of these mutations is crucial, not only from a therapeutic point of view, but also to follow the evolution in time and space of KPC variants resistant to ceftazidime-avibactam. In this review, we describe the mutational landscape of the KPC beta-lactamase toward ceftazidime-avibactam resistance based on a multidisciplinary approach including epidemiology, microbiology, enzymology, and thermodynamics. We show that resistance is associated with three hot spots, with a high representation of insertions and deletions compared with other class A beta-lactamases. Moreover, extension of resistance to ceftazidime-avibactam is associated with a trade-off in the resistance to other beta-lactams and a decrease in enzyme stability. Nevertheless, the high natural stability of KPC could underlay the propensity of this enzyme to acquire in vivo mutations conferring resistance to ceftazidime-avibactam (CAZavi), particularly via insertions and deletions.
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Ahlstrom CA, Woksepp H, Sandegren L, Mohsin M, Hasan B, Muzyka D, Hernandez J, Aguirre F, Tok A, Söderman J, Olsen B, Ramey AM, Bonnedahl J. Genomically diverse carbapenem resistant Enterobacteriaceae from wild birds provide insight into global patterns of spatiotemporal dissemination. Sci Total Environ 2022; 824:153632. [PMID: 35124031 DOI: 10.1016/j.scitotenv.2022.153632] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 01/25/2022] [Accepted: 01/29/2022] [Indexed: 06/14/2023]
Abstract
Carbapenem resistant Enterobacteriaceae (CRE) are a threat to public health globally, yet the role of the environment in the epidemiology of CRE remains elusive. Given that wild birds can acquire CRE, likely from foraging in anthropogenically impacted areas, and may aid in the maintenance and dissemination of CRE in the environment, a spatiotemporal comparison of isolates from different regions and timepoints may be useful for elucidating epidemiological information. Thus, we characterized the genomic diversity of CRE from fecal samples opportunistically collected from gulls (Larus spp.) inhabiting Alaska (USA), Chile, Spain, Turkey, and Ukraine and from black kites (Milvus migrans) sampled in Pakistan and assessed evidence for spatiotemporal patterns of dissemination. Within and among sampling locations, a high diversity of carbapenemases was found, including Klebsiella pneumoniae carbapenemase (KPC), New Delhi metallo-beta-lactamase (NDM), oxacillinase (OXA), and Verona integron Metallo beta-lactamase (VIM). Although the majority of genomic comparisons among samples did not provide evidence for spatial dissemination, we did find strong evidence for dissemination among Alaska, Spain, and Turkey. We also found strong evidence for temporal dissemination among samples collected in Alaska and Pakistan, though the majority of CRE clones were transitory and were not repeatedly detected among locations where samples were collected longitudinally. Carbapenemase-producing hypervirulent K. pneumoniae was isolated from gulls in Spain and Ukraine and some isolates harbored antimicrobial resistance genes conferring resistance to up to 10 different antibiotic classes, including colistin. Our results are consistent with local acquisition of CRE by wild birds with spatial dissemination influenced by intermediary transmission routes, likely involving humans. Furthermore, our results support the premise that anthropogenically-associated wild birds may be good sentinels for understanding the burden of clinically-relevant antimicrobial resistance in the local human population.
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Affiliation(s)
- Christina A Ahlstrom
- Alaska Science Center, U.S. Geological Survey, 4210 University Drive, Anchorage, AK 99508, USA
| | - Hanna Woksepp
- Department of Development and Public Health, Kalmar County Hospital, Kalmar 391 85, Sweden; Department of Medicine and Optometry, Linnaeus University, Kalmar 391 85, Sweden
| | - Linus Sandegren
- Department of Medical Biochemistry and Microbiology, Infection biology, antimicrobial resistance and immunology, Uppsala University, Uppsala SE-75185, Sweden
| | - Mashkoor Mohsin
- Institute of Microbiology, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
| | - Badrul Hasan
- Department of Medical Biochemistry and Microbiology, Infection biology, antimicrobial resistance and immunology, Uppsala University, Uppsala SE-75185, Sweden; Animal Bacteriology Section, Microbial Sciences, Pests and Diseases, Agriculture Victoria Research, Bundoora, Victoria 3083, Australia
| | - Denys Muzyka
- National Scientific Center, Institute of Experimental and Clinical Veterinary Medicine, Kharkiv 61023, Ukraine
| | - Jorge Hernandez
- Department of Clinical Microbiology, Kalmar County Hospital, Kalmar SE-39185, Sweden
| | - Filip Aguirre
- Department of Clinical Microbiology, Kalmar County Hospital, Kalmar SE-39185, Sweden
| | - Atalay Tok
- Zoonosis Science Center, Department of Medical Sciences, Uppsala University, Uppsala SE-75185, Sweden
| | - Jan Söderman
- Laboratory Medicine, Jönköping, Region Jönköping County, Department of Clinical and Experimental Medicine, Linköping University, Sweden
| | - Bjorn Olsen
- Zoonosis Science Center, Department of Medical Sciences, Uppsala University, Uppsala SE-75185, Sweden
| | - Andrew M Ramey
- Alaska Science Center, U.S. Geological Survey, 4210 University Drive, Anchorage, AK 99508, USA
| | - Jonas Bonnedahl
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping 581 83, Sweden; Department of Infectious Diseases, Region Kalmar County, Kalmar 391 85, Sweden.
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Teixeira P, Tacão M, Henriques I. Occurrence and distribution of Carbapenem-resistant Enterobacterales and carbapenemase genes along a highly polluted hydrographic basin. Environ Pollut 2022; 300:118958. [PMID: 35131334 DOI: 10.1016/j.envpol.2022.118958] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 06/14/2023]
Abstract
We determined the distribution and temporal variation of Carbapenem Resistant Enterobacterales (CRE), carbapenemase-encoding genes and other antibiotic resistance genes (ARGs) in a highly polluted river (Lis River; Portugal), also assessing the potential influence of water quality to this distribution. Water samples were collected in two sampling campaigns performed one year apart (2018/2019) from fifteen sites and water quality was analyzed. CRE were isolated and characterized. The abundance of four ARGs (blaNDM, blaKPC, tetA, blaCTX-M), two Microbial Source Tracking (MST) indicators (HF183 and Pig-2-Bac) and the class 1 integrase gene (IntI1) was measured by qPCR. RESULTS: confirmed the poor quality of the Lis River water, particularly in sites near pig farms. A collection of 23 CRE was obtained: Klebsiella (n = 19), Enterobacter (n = 2) and Raoultella (n = 2). PFGE analysis revealed a clonal relationship between isolates obtained in different sampling years and sites. All CRE isolates exhibited multidrug resistance profiles. Klebsiella and Raoultella isolates carried blaKPC while Enterobacter harbored blaNDM. Conjugation experiments were successful for only four Klebsiella isolates. All ARGs were detected by qPCR on both sampling campaigns. An increase in ARGs and IntI1 abundances was detected in sites located downstream of wastewater treatment plants. Strong correlations were observed between blaCTX-M, IntI1 and the human-pollution marker HF183, and also between tetA and the pig-pollution marker Pig-2-bac, suggesting that both human- and animal-derived pollution in the Lis River are a potential source of ARGs. Plus, water quality parameters related to eutrophication and land use were significantly correlated with ARGs abundances. Our findings demonstrated that the Lis River encloses high levels of antibiotic resistant bacteria and ARGs, including CRE and carbapenemase-encoding genes. Overall, this study provides a better understanding on the impacts of water pollution resulting from human and animal activities on the resistome of natural aquatic systems.
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Affiliation(s)
- Pedro Teixeira
- Biology Department and CESAM (Centre for Marine and Environmental Studies), University of Aveiro, Aveiro, Portugal, University of Aveiro, Aveiro, Portugal
| | - Marta Tacão
- Biology Department and CESAM (Centre for Marine and Environmental Studies), University of Aveiro, Aveiro, Portugal, University of Aveiro, Aveiro, Portugal.
| | - Isabel Henriques
- University of Coimbra, Centre for Functional Ecology and Department of Life Sciences, Faculty of Science and Technology, Coimbra, Portugal
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Ramey AM. Antimicrobial resistance: Wildlife as indicators of anthropogenic environmental contamination across space and through time. Curr Biol 2021; 31:R1385-R1387. [PMID: 34699802 DOI: 10.1016/j.cub.2021.08.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Prior assessments support wildlife as indicators of anthropogenically influenced antimicrobial resistance across the landscape. A ground-breaking new study suggests that wildlife may also provide information on antimicrobial resistance in the environment through time.
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Affiliation(s)
- Andrew M Ramey
- US Geological Survey Alaska Science Center, Anchorage, AK 99508, USA.
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Zeballos-Gross D, Rojas-Sereno Z, Salgado-Caxito M, Poeta P, Torres C, Benavides JA. The Role of Gulls as Reservoirs of Antibiotic Resistance in Aquatic Environments: A Scoping Review. Front Microbiol 2021; 12:703886. [PMID: 34367104 PMCID: PMC8343230 DOI: 10.3389/fmicb.2021.703886] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 06/21/2021] [Indexed: 12/04/2022] Open
Abstract
The role of wildlife with long-range dispersal such as gulls in the global dissemination of antimicrobial resistance (AMR) across natural and anthropogenic aquatic environments remains poorly understood. Antibiotic-resistant bacteria have been detected in resident and migratory gulls worldwide for more than a decade, suggesting gulls as either sentinels of AMR pollution from anthropogenic sources or independent reservoirs that could maintain and disperse AMR across aquatic environments. However, confirming either of these roles remains challenging and incomplete. In this review, we present current knowledge on the geographic regions where AMR has been detected in gulls, the molecular characterization of resistance genes, and the evidence supporting the capacity of gulls to disperse AMR across regions or countries. We identify several limitations of current research to assess the role of gulls in the spread of AMR including most studies not identifying the source of AMR, few studies comparing bacteria isolated in gulls with other wild or domestic species, and almost no study performing longitudinal sampling over a large period of time to assess the maintenance and dispersion of AMR by gulls within and across regions. We suggest future research required to confirm the role of gulls in the global dispersion of AMR including the standardization of sampling protocols, longitudinal sampling using advanced satellite tracking, and whole-genome sequencing typing. Finally, we discuss the public health implications of the spread of AMR by gulls and potential solutions to limit its spread in aquatic environments.
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Affiliation(s)
- Danae Zeballos-Gross
- Departamento de Ecología y Biodiversidad, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile
| | - Zulma Rojas-Sereno
- Departamento de Ecología y Biodiversidad, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile.,Facultad de Ciencias de la Vida, Centro de Investigación para la Sustentabilidad, Universidad Andrés Bello, Santiago, Chile
| | - Marília Salgado-Caxito
- Millennium Initiative for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago, Chile.,Escuela de Medicina Veterinaria, Facultad de Agronomía e Ingeniería Forestal, Facultad de Ciencias Biológicas y Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile.,Department of Animal Production and Preventive Veterinary Medicine, School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, Brazil
| | - Patricia Poeta
- Microbiology and Antibiotic Resistance Team (MicroART), Department of Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.,Associated Laboratory for Green Chemistry (LAQV-REQUIMTE), University NOVA of Lisbon, Lisbon, Portugal.,Veterinary and Animal Research Centre, Associate Laboratory for Animal and Veterinary Science (AL4AnimalS), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Carmen Torres
- Área Bioquímica y Biología Molecular, Universidad de La Rioja, Logroño, Spain
| | - Julio A Benavides
- Departamento de Ecología y Biodiversidad, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile.,Facultad de Ciencias de la Vida, Centro de Investigación para la Sustentabilidad, Universidad Andrés Bello, Santiago, Chile.,Millennium Initiative for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago, Chile
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11
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Suárez-Pérez A, Corbera JA, González-Martín M, Tejedor-Junco MT. Multidrug-Resistant Phenotypes of Escherichia coli Isolates in Wild Canarian Egyptian Vultures ( Neophron percnopterus majorensis). Animals (Basel) 2021; 11:ani11061692. [PMID: 34204084 PMCID: PMC8229213 DOI: 10.3390/ani11061692] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/01/2021] [Accepted: 06/04/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Increasing antimicrobial resistance is a global problem for both human and animal health. Escherichia coli is frequently used as a “sentinel” for antimicrobial resistance and as an indicator of faecal contamination of the environment. This study is a characterisation of the antimicrobial resistance phenotypes of E. coli isolates obtained from cloacal samples of Canarian Egyptian vultures. A total of 65 chickens and 38 adult and immature birds were studied. Antimicrobial susceptibility to 16 antibiotics of 12 different categories was determined in 103 E. coli isolates. We found a 39.8% prevalence of multidrug-resistant (MDR) E. coli. Almost all MDR phenotypes found included resistance to tetracycline, an antibiotic widely used in veterinary medicine. Resistance has also been found to chloramphenicol (13 MDR phenotypes), imipenem (5 MDR phenotypes) and others. Wild birds can act as reservoirs and disseminators of MDR E. coli, transferring them via faeces to the environment, feed or water. Our results highlight the need to minimise exposure of wild birds to antimicrobials from human activities to avoid the spread of antimicrobial resistance. Abstract The presence of multidrug-resistant (MDR) Escherichia coli in cloacal samples from Canarian Egyptian vultures was investigated. Samples were obtained from chicks (n = 65) and from adults and immature birds (n = 38). Antimicrobial susceptibility to 16 antibiotics included in 12 different categories was determined for 103 E. coli isolates. MDR was defined as acquired non-susceptibility to at least one agent in three or more antimicrobial categories. Forty-seven different resistance phenotypes were detected: 31 MDR (41 isolates) and 16 non-MDR (62 isolates). One isolate was resistant to all 12 antimicrobial categories and 2 phenotypes included resistance to 9 antimicrobial categories. Imipenem resistance was included in five MDR phenotypes, corresponding to five different isolates. Statistically significant differences in prevalence of MDR-phenotypes were found between chicks in nests and the rest of the animals, probably due to the shorter exposure time of chicks to antimicrobials. The main risk derived from MDR bacteria in scavengers is that it threatens the treatment of wild animals in rescue centres and could be transferred to other animals in the facilities. In addition to this, it could pose a health risk to veterinarians or other staff involved in wildlife protection programmes.
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Affiliation(s)
- Alejandro Suárez-Pérez
- Wildlife Animal Rescue Centre, Cabildo de Tenerife, 38291 La Laguna, Spain;
- Department of Animal Pathology, Animal Production and Food Hygiene and Technology, University of Las Palmas de Gran Canaria (ULPGC), 35413 Arucas, Spain
| | - Juan Alberto Corbera
- Department of Animal Pathology, Animal Production and Food Hygiene and Technology, University of Las Palmas de Gran Canaria (ULPGC), 35413 Arucas, Spain
- Research Institute of Biomedical and Health Sciences, ULPGC, 35016 Las Palmas, Spain; (M.G.-M.); (M.T.T.-J.)
- Correspondence:
| | - Margarita González-Martín
- Research Institute of Biomedical and Health Sciences, ULPGC, 35016 Las Palmas, Spain; (M.G.-M.); (M.T.T.-J.)
- Department of Clinical Sciences, University of Las Palmas de Gran Canaria (ULPGC), 35413 Arucas, Spain
| | - María Teresa Tejedor-Junco
- Research Institute of Biomedical and Health Sciences, ULPGC, 35016 Las Palmas, Spain; (M.G.-M.); (M.T.T.-J.)
- Department of Clinical Sciences, University of Las Palmas de Gran Canaria (ULPGC), 35413 Arucas, Spain
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12
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Ahlstrom CA, van Toor ML, Woksepp H, Chandler JC, Reed JA, Reeves AB, Waldenström J, Franklin AB, Douglas DC, Bonnedahl J, Ramey AM. Evidence for continental-scale dispersal of antimicrobial resistant bacteria by landfill-foraging gulls. Sci Total Environ 2021; 764:144551. [PMID: 33385653 DOI: 10.1016/j.scitotenv.2020.144551] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 12/14/2020] [Accepted: 12/14/2020] [Indexed: 06/12/2023]
Abstract
Anthropogenic inputs into the environment may serve as sources of antimicrobial resistant bacteria and alter the ecology and population dynamics of synanthropic wild animals by providing supplemental forage. In this study, we used a combination of phenotypic and genomic approaches to characterize antimicrobial resistant indicator bacteria, animal telemetry to describe host movement patterns, and a novel modeling approach to combine information from these diverse data streams to investigate the acquisition and long-distance dispersal of antimicrobial resistant bacteria by landfill-foraging gulls. Our results provide evidence that gulls acquire antimicrobial resistant bacteria from anthropogenic sources, which they may subsequently disperse across and between continents via migratory movements. Furthermore, we introduce a flexible modeling framework to estimate the relative dispersal risk of antimicrobial resistant bacteria in western North America and adjacent areas within East Asia, which may be adapted to provide information on the risk of dissemination of other organisms and pathogens maintained by wildlife through space and time.
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Affiliation(s)
- Christina A Ahlstrom
- Alaska Science Center, U.S. Geological Survey, 4210 University Drive, Anchorage, AK 99508, USA.
| | - Mariëlle L van Toor
- Centre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, Stuvaregatan 2, Kalmar 392 31, Sweden.
| | - Hanna Woksepp
- Department of Development and Public Health, Kalmar County Hospital, Kalmar 391 85, Sweden.
| | - Jeffrey C Chandler
- USDA/APHIS/WS, National Wildlife Research Center, 4101 Laporte Ave, Fort Collins, CO 80521, USA.
| | - John A Reed
- Alaska Science Center, U.S. Geological Survey, 4210 University Drive, Anchorage, AK 99508, USA.
| | - Andrew B Reeves
- Alaska Science Center, U.S. Geological Survey, 4210 University Drive, Anchorage, AK 99508, USA.
| | - Jonas Waldenström
- Centre for Ecology and Evolution in Microbial Model Systems, Linnaeus University, Stuvaregatan 2, Kalmar 392 31, Sweden.
| | - Alan B Franklin
- USDA/APHIS/WS, National Wildlife Research Center, 4101 Laporte Ave, Fort Collins, CO 80521, USA.
| | - David C Douglas
- Alaska Science Center, U.S. Geological Survey, 250 Egan Drive, Juneau, AK 99801, USA.
| | - Jonas Bonnedahl
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping 581 83, Sweden; Department of Infectious Diseases, Region Kalmar County, Kalmar 391 85, Sweden.
| | - Andrew M Ramey
- Alaska Science Center, U.S. Geological Survey, 4210 University Drive, Anchorage, AK 99508, USA.
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13
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Ahlstrom CA, Frick A, Pongratz C, Spink K, Xavier C, Bonnedahl J, Ramey AM. Genomic comparison of carbapenem-resistant Enterobacteriaceae from humans and gulls in Alaska. J Glob Antimicrob Resist 2021; 25:23-25. [PMID: 33667702 DOI: 10.1016/j.jgar.2021.02.028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 10/28/2020] [Accepted: 02/20/2021] [Indexed: 10/22/2022] Open
Abstract
OBJECTIVES Wildlife may harbour clinically important antimicrobial-resistant bacteria, but the role of wildlife in the epidemiology of antimicrobial-resistant bacterial infections in humans is largely unknown. In this study, we aimed to assess dissemination of the blaKPC carbapenemase gene among humans and gulls in Alaska. METHODS We performed whole-genome sequencing to determine the genetic context of blaKPC in bacterial isolates from all four human carbapenemase-producing Enterobacteriaceae (CPE) infections reported in Alaska between 2013-2018 and to compare the sequences with seven previously reported CPE isolates from gull faeces within the same region and time period. RESULTS Genomic analysis of CPE isolates suggested independent acquisition events among humans with no evidence for direct transmission of blaKPC between people and gulls. However, some isolates shared conserved genetic elements surrounding blaKPC, suggesting possible exchange between species. CONCLUSION Our results highlight the genomic plasticity associated with blaKPC and demonstrate that sampling of wildlife may be useful for identifying clinically relevant antimicrobial resistance not observed through local passive surveillance in humans.
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Affiliation(s)
- Christina A Ahlstrom
- US Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, USA.
| | - Anna Frick
- State of Alaska Department of Health and Social Services, Anchorage, AK, USA
| | - Catherine Pongratz
- State of Alaska Department of Health and Social Services, Anchorage, AK, USA
| | - Kimberly Spink
- State of Alaska Department of Health and Social Services, Anchorage, AK, USA
| | - Catherine Xavier
- State of Alaska Department of Health and Social Services, Anchorage, AK, USA
| | - Jonas Bonnedahl
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden; Department of Infectious Diseases, Kalmar County Council, Kalmar, Sweden
| | - Andrew M Ramey
- US Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, USA
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14
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Hansen GT. Continuous Evolution: Perspective on the Epidemiology of Carbapenemase Resistance Among Enterobacterales and Other Gram-Negative Bacteria. Infect Dis Ther 2021; 10:75-92. [PMID: 33492641 PMCID: PMC7954928 DOI: 10.1007/s40121-020-00395-2] [Citation(s) in RCA: 77] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Accepted: 12/22/2020] [Indexed: 12/20/2022] Open
Abstract
The global emergence of carbapenemase-producing bacteria capable of hydrolyzing the once effective carbapenem antibiotics is considered a contemporary public health concern. Carbapenemase enzymes, once constrained to isolates of Klebsiella pneumoniae, are now routinely reported in different bacteria within the Enterobacterales order of bacteria, creating the acronym CRE which now defines Carbapenem-Resistant Enterobacterales. CRE harboring different types of enzymes, including the most prevalent types KPC, VIM, IMP, NDM, and OXA-48, are now routinely reported and more importantly, are now frequently present in many infections world-wide. Defining and updating the contemporary epidemiology of both the US and global burden of carbapenem-resistant infections is now more important than ever. This review describes the global distribution and continued evolution of carbapenemases which continue to spread at alarming rates. Informed understanding of the current epidemiology of CRE, coupled with advances in antibiotic options, and the use rapid diagnostics offers the potential for rapid identification and management of carbapenem-resistant infections.
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Affiliation(s)
- Glen T Hansen
- Department of Pathology and Laboratory Medicine, Hennepin County Medical Center, Minneapolis, MN, USA.
- Department of Pathology and Laboratory Medicine, University of Minnesota, School of Medicine, Minneapolis, MN, USA.
- Department of Medicine, Infectious Disease, University of Minnesota, School of Medicine, Minneapolis, MN, USA.
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15
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Silva GGDC, Campana EH, Vasconcelos PC, Silva NMVD, Santos Filho L, Leite EL, Givisiez PEN, Gebreyes WA, Oliveira CJB. Occurrence of KPC-Producing Escherichia coli in Psittaciformes Rescued from Trafficking in Paraíba, Brazil. Int J Environ Res Public Health 2020; 18:E95. [PMID: 33375538 DOI: 10.3390/ijerph18010095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 11/10/2020] [Accepted: 11/11/2020] [Indexed: 11/29/2022]
Abstract
The emergence and spread of antimicrobial resistance pose a threat to public health globally. Antibiotic-resistant bacteria and genes can disseminate among environments, animals and humans. Therefore, investigation into potential reservoirs of multidrug-resistant bacteria is of great importance to the understanding of putative transmission routes of resistant bacteria and resistance genes. This study aimed to report the occurrence of Escherichia coli harboring the Klebsiella pneumoniae carbapenemase-producing gene (blaKPC) in Psittaciformes rescued from wildlife trafficking in Paraíba State, Brazil. Cloacal swabs were collected from thirty birds and cultured by conventional microbiology using MacConkey and serum tryptone glucose glycerol (STGG) media supplemented with selective antimicrobials. E. coli isolates (n = 43) were identified by phenotypic tests and confirmed by MALDI-TOF. Antimicrobial susceptibility profiles were determined by means of Kirby–Bauer test. All isolates were further screened for extended-spectrum beta-lactamase (ESBL) production, and putative genes encoding ESBL were investigated by PCR. Additionally, blaKPC-harboring strains were genotyped by REP-PCR. A total of 43 E. coli phenotypically resistant isolates were recovered. The highest resistance rate was observed against ciprofloxacin. Among the resistance genes, only blaKPC was found in seven different birds from three species. According to the genotyping, these seven isolates belonged to four different strains. To date, this is the first report on the occurrence of KPC-E. coli in Psittaciformes rescued from trafficking in Northeastern Brazil. Due to the high clinical importance of KPC-E. coli, our findings suggest that wild animals in captivity at wildlife rescue centers can play a role as reservoirs of bacteria that are resistance to Critically Important antimicrobials in human medicine.
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16
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Zhao H, Sun R, Yu P, Alvarez PJJ. High levels of antibiotic resistance genes and opportunistic pathogenic bacteria indicators in urban wild bird feces. Environ Pollut 2020; 266:115200. [PMID: 32663725 DOI: 10.1016/j.envpol.2020.115200] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 07/03/2020] [Accepted: 07/05/2020] [Indexed: 06/11/2023]
Abstract
This study analyzed fresh feces from three common bird species that live in urban environments and interact with human communities. Antibiotic resistance genes (ARGs) encoding resistance to three major classes of antibiotics (i.e., tetracyclines, β-lactams, and sulfonamides) and the mobile genetic element integrase gene (intI1) were abundant (up to 109, 108, 109, and 1010 copies/g dry feces for tetW, blaTEM, sul1, and intI1, respectively), with relative concentrations surprisingly comparable to that in poultry and livestock that are occasionally fed antibiotics. Biomarkers for opportunistic pathogens were also abundant (up to 107 copies/g dry feces) and the dominant isolates (i.e., Enterococcus spp. and Pseudomonas aeruginosa) harbored both ARGs and virulence genes. ARGs in bird feces followed first-order attenuation with half-lives ranging from 1.3 to 11.1 days in impacted soil. Although residual antibiotics were detected in the feces, no significant correlation was observed between fecal antibiotic concentrations and ARG relative abundance. Thus, other unaccounted factors likely contributed selective pressure for ARG maintenance. These findings highlight the contribution of wild urban bird feces to the maintenance and dissemination of ARGs, and the associated health risks.
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Affiliation(s)
- Huiru Zhao
- College of Environmental Science and Engineering, Nankai University, Tianjin, 300350, China
| | - Ruonan Sun
- Department of Civil and Environmental Engineering, Rice University, Houston, TX, 77005, USA
| | - Pingfeng Yu
- Department of Civil and Environmental Engineering, Rice University, Houston, TX, 77005, USA.
| | - Pedro J J Alvarez
- Department of Civil and Environmental Engineering, Rice University, Houston, TX, 77005, USA
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17
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Aires-de-Sousa M, Fournier C, Lopes E, de Lencastre H, Nordmann P, Poirel L. High Colonization Rate and Heterogeneity of ESBL- and Carbapenemase-Producing Enterobacteriaceae Isolated from Gull Feces in Lisbon, Portugal. Microorganisms 2020; 8:microorganisms8101487. [PMID: 32998209 PMCID: PMC7601013 DOI: 10.3390/microorganisms8101487] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 09/23/2020] [Accepted: 09/26/2020] [Indexed: 12/27/2022] Open
Abstract
In order to evaluate whether seagulls living on the Lisbon coastline, Portugal, might be colonized and consequently represent potential spreaders of multidrug-resistant bacteria, a total of 88 gull fecal samples were screened for detection of extended-spectrum β-lactamase (ESBL)- or carbapenemase-producing Enterobacteriaceae for methicillin-resistant Staphylococcus aureus (MRSA) and for vancomycin-resistant Enterococci (VRE). A large proportion of samples yielded carbapenemase- or ESBL-producing Enterobacteriaceae (16% and 55%, respectively), while only two MRSA and two VRE were detected. Mating-out assays followed by PCR and whole-plasmid sequencing allowed to identify carbapenemase and ESBL encoding genes. Among 24 carbapenemase-producing isolates, there were mainly Klebsiella pneumoniae (50%) and Escherichia coli (33%). OXA-181 was the most common carbapenemase identified (54%), followed by OXA-48 (25%) and KPC-2 (17%). Ten different ESBLs were found among 62 ESBL-producing isolates, mainly being CTX-M-type enzymes (87%). Co-occurrence in single samples of multiple ESBL- and carbapenemase producers belonging to different bacterial species was observed in some cases. Seagulls constitute an important source for spreading multidrug-resistant bacteria in the environment and their gut microbiota a formidable microenvironment for transfer of resistance genes within bacterial species.
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Affiliation(s)
- Marta Aires-de-Sousa
- Emerging Antibiotic Resistance Unit, Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, CH-1700 Fribourg, Switzerland; (M.A.-d.-S.); (C.F.); (P.N.)
- Escola Superior de Saúde da Cruz Vermelha Portuguesa, 1300 Lisbon, Portugal
- Laboratory of Molecular Genetics, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, 2780 Oeiras, Portugal; (E.L.); (H.d.L.)
| | - Claudine Fournier
- Emerging Antibiotic Resistance Unit, Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, CH-1700 Fribourg, Switzerland; (M.A.-d.-S.); (C.F.); (P.N.)
| | - Elizeth Lopes
- Laboratory of Molecular Genetics, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, 2780 Oeiras, Portugal; (E.L.); (H.d.L.)
| | - Hermínia de Lencastre
- Laboratory of Molecular Genetics, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, 2780 Oeiras, Portugal; (E.L.); (H.d.L.)
- Laboratory of Microbiology and Infectious Diseases, The Rockefeller University, New York, NY 10065, USA
| | - Patrice Nordmann
- Emerging Antibiotic Resistance Unit, Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, CH-1700 Fribourg, Switzerland; (M.A.-d.-S.); (C.F.); (P.N.)
- Swiss National Reference Center for Emerging Antibiotic Resistance (NARA), CH-1700 Fribourg, Switzerland
| | - Laurent Poirel
- Emerging Antibiotic Resistance Unit, Medical and Molecular Microbiology, Faculty of Science and Medicine, University of Fribourg, CH-1700 Fribourg, Switzerland; (M.A.-d.-S.); (C.F.); (P.N.)
- Swiss National Reference Center for Emerging Antibiotic Resistance (NARA), CH-1700 Fribourg, Switzerland
- Correspondence:
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18
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Chandler JC, Anders JE, Blouin NA, Carlson JC, LeJeune JT, Goodridge LD, Wang B, Day LA, Mangan AM, Reid DA, Coleman SM, Hopken MW, Bisha B. The Role of European Starlings (Sturnus vulgaris) in the Dissemination of Multidrug-Resistant Escherichia coli among Concentrated Animal Feeding Operations. Sci Rep 2020; 10:8093. [PMID: 32415136 PMCID: PMC7229194 DOI: 10.1038/s41598-020-64544-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Accepted: 04/16/2020] [Indexed: 12/29/2022] Open
Abstract
Antimicrobial use in livestock production is a driver for the development and proliferation of antimicrobial resistance (AMR). Wildlife interactions with livestock, acquiring associated AMR bacteria and genes, and wildlife's subsequent dispersal across the landscape are hypothesized to play an important role in the ecology of AMR. Here, we examined priority AMR phenotypes and genotypes of Escherichia coli isolated from the gastrointestinal tracts of European starlings (Sturnus vulgaris) found on concentrated animal feeding operations (CAFOs). European starlings may be present in high numbers on CAFOs (>100,000 birds), interact with urban environments, and can migrate distances exceeding 1,500 km in North America. In this study, 1,477 European starlings from 31 feedlots in five U.S. states were sampled for E. coli resistant to third generation cephalosporins (3G-C) and fluoroquinolones. The prevalence of 3G-C and fluoroquinolone-resistant E. coli was 4% and 10%, respectively. Multidrug resistance in the E. coli isolates collected (n = 236) was common, with the majority of isolates displaying resistance to six or more classes of antibiotics. Genetic analyses of a subset of these isolates identified 94 genes putatively contributing to AMR, including seven class A and C β-lactamases as well as mutations in gyrA and parC recognized to confer resistance to quinolones. Phylogenetic and subtyping assessments showed that highly similar isolates (≥99.4% shared core genome, ≥99.6% shared coding sequence) with priority AMR were found in birds on feedlots separated by distances exceeding 150 km, suggesting that European starlings could be involved in the interstate dissemination of priority AMR bacteria.
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Affiliation(s)
- Jeffrey C Chandler
- U.S. Department of Agriculture, National Wildlife Research Center, Fort Collins, CO, USA
| | - Jennifer E Anders
- University of Wyoming, Department of Animal Science, Laramie, WY, USA
| | - Nicolas A Blouin
- University of Wyoming, Department of Molecular Biology, Laramie, WY, USA
| | - James C Carlson
- U.S. Department of Agriculture, National Wildlife Research Center, Fort Collins, CO, USA
| | - Jeffrey T LeJeune
- Food and Agriculture Organization of the United Nations, Rome, Italy
| | | | - Baolin Wang
- University of Wyoming, Department of Animal Science, Laramie, WY, USA
| | - Leslie A Day
- University of Wyoming, Department of Animal Science, Laramie, WY, USA
| | - Anna M Mangan
- U.S. Department of Agriculture, National Wildlife Research Center, Fort Collins, CO, USA
| | - Dustin A Reid
- U.S. Department of Agriculture, National Wildlife Research Center, Fort Collins, CO, USA
| | - Shannon M Coleman
- Iowa State University, Department of Food Science and Human Nutrition, Ames, IA, USA
| | - Matthew W Hopken
- Colorado State University, Department of Microbiology, Immunology, and Pathology, Fort Collins, CO, USA
| | - Bledar Bisha
- University of Wyoming, Department of Animal Science, Laramie, WY, USA.
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Ramey AM, Ahlstrom CA. ANTIBIOTIC RESISTANT BACTERIA IN WILDLIFE: PERSPECTIVES ON TRENDS, ACQUISITION AND DISSEMINATION, DATA GAPS, AND FUTURE DIRECTIONS. J Wildl Dis 2020; 56:1. [DOI: 10.7589/2019-04-099] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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20
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Zhou Z, Alikhan NF, Mohamed K, Fan Y, Achtman M. The EnteroBase user's guide, with case studies on Salmonella transmissions, Yersinia pestis phylogeny, and Escherichia core genomic diversity. Genome Res 2020; 30:138-152. [PMID: 31809257 PMCID: PMC6961584 DOI: 10.1101/gr.251678.119] [Citation(s) in RCA: 458] [Impact Index Per Article: 114.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Accepted: 12/03/2019] [Indexed: 01/08/2023]
Abstract
EnteroBase is an integrated software environment that supports the identification of global population structures within several bacterial genera that include pathogens. Here, we provide an overview of how EnteroBase works, what it can do, and its future prospects. EnteroBase has currently assembled more than 300,000 genomes from Illumina short reads from Salmonella, Escherichia, Yersinia, Clostridioides, Helicobacter, Vibrio, and Moraxella and genotyped those assemblies by core genome multilocus sequence typing (cgMLST). Hierarchical clustering of cgMLST sequence types allows mapping a new bacterial strain to predefined population structures at multiple levels of resolution within a few hours after uploading its short reads. Case Study 1 illustrates this process for local transmissions of Salmonella enterica serovar Agama between neighboring social groups of badgers and humans. EnteroBase also supports single nucleotide polymorphism (SNP) calls from both genomic assemblies and after extraction from metagenomic sequences, as illustrated by Case Study 2 which summarizes the microevolution of Yersinia pestis over the last 5000 years of pandemic plague. EnteroBase can also provide a global overview of the genomic diversity within an entire genus, as illustrated by Case Study 3, which presents a novel, global overview of the population structure of all of the species, subspecies, and clades within Escherichia.
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21
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Dolejska M, Literak I. Wildlife Is Overlooked in the Epidemiology of Medically Important Antibiotic-Resistant Bacteria. Antimicrob Agents Chemother 2019; 63:e01167-19. [PMID: 31209001 DOI: 10.1128/AAC.01167-19] [Citation(s) in RCA: 96] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Wild animals foraging in the human-influenced environment are colonized by bacteria with clinically important antibiotic resistance. The occurrence of such bacteria in wildlife is influenced by various biological, ecological, and geographical factors which have not yet been fully understood. More research focusing on the human-animal-environmental interface and using novel approaches is required to understand the role of wild animals in the transmission of antibiotic resistance and to assess potential risks for the public health.
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