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Garofalo C, Cesaro C, Milanović V, Belleggia L, Matricardi T, Osimani A, Aquilanti L, Cardinali F, Rampanti G, Simoni S, Vignaroli C, Brenciani A, Pasquini M, Trombetta MF. Search for carbapenem-resistant bacteria and carbapenem resistance genes along swine food chains in Central Italy. PLoS One 2024; 19:e0296098. [PMID: 38181018 PMCID: PMC10769077 DOI: 10.1371/journal.pone.0296098] [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: 08/03/2023] [Accepted: 12/05/2023] [Indexed: 01/07/2024] Open
Abstract
The presence of carbapenem-resistant bacteria and carbapenem resistance genes (CRGs) in livestock is increasing. To evaluate the presence of carbapenemase-producing Enterobacteriaceae (CPE) and the main CRGs along swine food chains of the Marche Region (Central Italy), samples of faeces, feed, and animal-food derived products were collected from seven small/medium, medium, and large-scale pig farms. A total of 191 samples were analysed using a culture-dependent method, with the aim of isolating CPE. Isolates were analysed for their resistance to carbapenems using a modified Hodge test and the microdilution method for the minimum inhibitory concentration (MIC) determination. Moreover, the extraction of microbial DNA from each sample was performed to directly detect selected CRGs via qPCR. Among the 164 presumptive resistant isolates, only one strain from a liver sample, identified as Aeromonas veronii, had an ertapenem MIC of 256 μg/mL and carried a carbapenemase- (cphA) and a β-lactamase- (blaOXA-12) encoding genes. A low incidence of CRGs was found; only nine and four faecal samples tested positive for blaNDM-1 and blaOXA-48, respectively. Overall, the importance of monitoring CPE and CRGs in livestock and their food chains should be stressed to control all potential non-human CPE and CRGs reservoirs and to determine safety levels for human health.
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Affiliation(s)
- Cristiana Garofalo
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
| | - Cristiana Cesaro
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
| | - Vesna Milanović
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
| | - Luca Belleggia
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
| | - Tullia Matricardi
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
| | - Andrea Osimani
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
| | - Lucia Aquilanti
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
| | - Federica Cardinali
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
| | - Giorgia Rampanti
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
| | - Serena Simoni
- Dipartimento di Scienze della Vita e dell’Ambiente (DiSVA), Università Politecnica delle Marche, Ancona, Italy
| | - Carla Vignaroli
- Dipartimento di Scienze della Vita e dell’Ambiente (DiSVA), Università Politecnica delle Marche, Ancona, Italy
| | - Andrea Brenciani
- Dipartimento di Scienze Biomediche e Sanità Pubblica (DSBSP), Università Politecnica delle Marche, Ancona, Italy
| | - Marina Pasquini
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
| | - Maria Federica Trombetta
- Dipartimento di Scienze Agrarie, Alimentari ed Ambientali (D3A), Università Politecnica delle Marche, Ancona, Italy
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Song H, Zou S, Huang Y, Jian C, Liu W, Tian L, Gong L, Chen Z, Sun Z, Wang Y. Salmonella Typhimurium with Eight Tandem Copies of blaNDM-1 on a HI2 Plasmid. Microorganisms 2023; 12:20. [PMID: 38257847 PMCID: PMC10819877 DOI: 10.3390/microorganisms12010020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/09/2023] [Accepted: 12/15/2023] [Indexed: 01/24/2024] Open
Abstract
Carbapenem-resistant Salmonella has recently aroused increasing attention. In this study, a total of four sequence type 36 Salmonella enterica subsp. enterica serovar Typhimurium (S. Typhimurium) isolates were consecutively isolated from an 11-month-old female patient with a gastrointestinal infection, of which one was sensitive to carbapenems and three were resistant to carbapenems. Via antibiotic susceptibility testing, a carbapenemases screening test, plasmid conjugation experiments, Illumina short-reads, and PacBio HiFi sequencing, we found that all four S. Typhimurium isolates contained a blaCTX-M-14-positive IncI1 plasmid. One carbapenem-sensitive S. Typhimurium isolate then obtained an IncHI2 plasmid carrying blaNDM-1 and an IncP plasmid without any resistance genes during the disease progression. The blaNDM-1 gene was located on a new 30 kb multiple drug resistance region, which is flanked by IS26 and TnAs2, respectively. In addition, the ST_F0903R isolate contained eight tandem copies of the ISCR1 unit (ISCR1-dsbD-trpF-ble-blaNDM-1-ISAba125Δ1), but an increase in MICs to carbapenems was not observed. Our work further provided evidence of the rapid spread and amplification of blaNDM-1 through plasmid. Prompting the recognition of carbapenem-resistant Enterobacterales and the initiation of appropriate infection control measures are essential to avoid the spread of these organisms.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Ziyong Sun
- Department of Laboratory Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China; (H.S.); (S.Z.); (Y.H.); (C.J.); (W.L.); (L.T.); (L.G.); (Z.C.); (Y.W.)
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Piccirilli A, Di Marcantonio S, Costantino V, Simonetti O, Busetti M, Luzzati R, Principe L, Di Domenico M, Rinaldi A, Cammà C, Perilli M. Identification of IncA Plasmid, Harboring blaVIM-1 Gene, in S. enterica Goldcoast ST358 and C. freundii ST62 Isolated in a Hospitalized Patient. Antibiotics (Basel) 2023; 12:1659. [PMID: 38136693 PMCID: PMC10741216 DOI: 10.3390/antibiotics12121659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 11/21/2023] [Accepted: 11/23/2023] [Indexed: 12/24/2023] Open
Abstract
In the present study, we analyzed the genome of two S. enterica strains TS1 and TS2 from stool and blood cultures, respectively, and one strain of C. freundii TS3, isolated from a single hospitalized patient with acute myeloid leukemia. The S. enterica Goldcoast ST358 (O:8 (C2-C3) serogroup), sequenced by the MiSeq Illumina system, showed the presence of β-lactamase genes (blaVIM-1, blaSHV-12 and blaOXA-10), aadA1, ant(2″)-Ia, aac(6')-Iaa, aac(6')-Ib3, aac(6')-Ib-cr, qnrVC6, parC(T57S), and several incompatibility plasmids. A wide variety of insertion sequences (ISs) and transposon elements were identified. In C. freundii TS3, these were the blaVIM-1, blaCMY-150, and blaSHV-12, aadA1, aac(6')-Ib3, aac(6')-Ib-cr, mph(A), sul1, dfrA14, ARR-2, qnrVC6, and qnrB38. IncA plasmid isolated from E.coli/K12 transconjugant and C. freundii exhibited a sequence identity >99.9%. The transfer of IncA plasmid was evaluated by conjugation experiments.
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Affiliation(s)
- Alessandra Piccirilli
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.D.M.); (M.P.)
| | - Sascia Di Marcantonio
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.D.M.); (M.P.)
| | - Venera Costantino
- Microbiology Unit, Trieste University Hospital (ASUGI), 34125 Trieste, Italy; (V.C.); (M.B.)
| | - Omar Simonetti
- Infectious Diseases Unit, Trieste University Hospital (ASUGI), 34125 Trieste, Italy; (O.S.); (R.L.)
| | - Marina Busetti
- Microbiology Unit, Trieste University Hospital (ASUGI), 34125 Trieste, Italy; (V.C.); (M.B.)
| | - Roberto Luzzati
- Infectious Diseases Unit, Trieste University Hospital (ASUGI), 34125 Trieste, Italy; (O.S.); (R.L.)
| | - Luigi Principe
- Clinical Pathology and Microbiology Unit, “S. Giovanni di Dio” Hospital, 88900 Crotone, Italy;
| | - Marco Di Domenico
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise, Campo Boario, 64100 Teramo, Italy; (M.D.D.); (A.R.); (C.C.)
| | - Antonio Rinaldi
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise, Campo Boario, 64100 Teramo, Italy; (M.D.D.); (A.R.); (C.C.)
| | - Cesare Cammà
- Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise, Campo Boario, 64100 Teramo, Italy; (M.D.D.); (A.R.); (C.C.)
| | - Mariagrazia Perilli
- Department of Biotechnological and Applied Clinical Sciences, University of L’Aquila, 67100 L’Aquila, Italy; (S.D.M.); (M.P.)
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Ramkisson T, Rip D. Carbapenem resistance in Enterobacterales from agricultural, environmental and clinical origins: South Africa in a global context. AIMS Microbiol 2023; 9:668-691. [PMID: 38173973 PMCID: PMC10758576 DOI: 10.3934/microbiol.2023034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Revised: 09/05/2023] [Accepted: 09/15/2023] [Indexed: 01/05/2024] Open
Abstract
Carbapenem agents are regarded as last-resort antibiotics, however, bacterial resistance towards carbapenems has been reported in both clinical and agricultural settings worldwide. Carbapenem resistance, defined as the resistance of a bacteria towards one or more carbapenem drugs, can be mediated in either of, or a combination of, three mechanisms-although, the mechanism mediated through the production of carbapenemases (β-lactamases that are able to enzymatically degrade carbapenems) is of most significance. Of particular concern is the occurrence of carbapenemase producing Enterobacterales (CPE), with literature describing a dramatic increase in resistance globally. In South Africa, increases of carbapenemase activity occurring in Enterobacter species, Klebsiella pneumoniae, Acinetobacter baumannii and Pseudomonas aeruginosa have recently been reported. CPE can also be found in agricultural environments, as global studies have documented numerous instances of CPE presence in various animals such as pigs, cattle, seafood, horses and dogs. However, most reports of CPE occurrence in agricultural settings come from Northern America, Europe and some parts of Asia, where more extensive research has been conducted to understand the CPE phenomenon. In comparison to clinical data, there are limited studies investigating the spread of CPE in agricultural settings in Africa, highlighting the importance of monitoring CPE in livestock environments and the food chain. Further research is necessary to uncover the true extent of CPE dissemination in South Africa. This review will discuss the phenomenon of bacterial antibiotic resistance (ABR), the applications of the carbapenem drug and the occurrence of carbapenem resistance globally.
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Affiliation(s)
- Taish Ramkisson
- Department of Food Science, Stellenbosch University, Stellenbosch, 7600, South Africa
| | - Diane Rip
- Department of Food Science, Stellenbosch University, Stellenbosch, 7600, South Africa
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Hendriksen RS, Cavaco LM, Guerra B, Bortolaia V, Agersø Y, Svendsen CA, Nielsen HN, Kjeldgaard JS, Pedersen SK, Fertner M, Hasman H. Evaluation and validation of laboratory procedures for the surveillance of ESBL-, AmpC-, and carbapenemase-producing Escherichia coli from fresh meat and caecal samples. Front Microbiol 2023; 14:1229542. [PMID: 37621395 PMCID: PMC10445139 DOI: 10.3389/fmicb.2023.1229542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 07/12/2023] [Indexed: 08/26/2023] Open
Abstract
Introduction Extended-spectrum β-lactamase- (ESBL) and AmpC- β-lactamase-producing Enterobacterales are widely distributed and emerging in both human and animal reservoirs worldwide. A growing concern has emerged in Europe following the appearance of carbapenemase-producing Escherichia coli (E. coli) in the primary production of food animals. In 2013, the European Commission (EC) issued the Implementing Decision on the monitoring and reporting of antimicrobial resistance in zoonotic and commensal bacteria. The European Union Reference Laboratory for Antimicrobial Resistance (EURL-AR) was tasked with providing two laboratory protocols for samples derived from meat and caecal content, respectively, for the isolation of ESBL- and AmpC-producing E. coli (part 1) and carbapenemase-producing (CP) E. coli (part 2). In this study, we describe the current protocols, including the preparatory work for the development. Methods Up to nine laboratory procedures were tested using minced meat as the matrix from beef, pork, and chicken as well as six procedures for the caecal content of cattle, pigs, and chicken. Variables included sample volume, pre-enrichment volume, pre-enrichment broth with and without antimicrobial supplementation, and incubation time/temperature. The procedures were evaluated against up to nine E. coli strains harboring different AMR genes and belonging to the three β-lactamase groups. Results and discussion The laboratory procedures tested revealed that the most sensitive and specific methodologies were based on a Buffered Peptone Water pre-enrichment of 225 ml to 25 g or 9 ml to 1 g for minced meat and caecal content, respectively, incubated at 37°C overnight, followed by inoculation onto MacConkey agar supplemented with 1 mg/L cefotaxime for detecting ESBL- and AmpC-producing E. coli and Chrom ID SMART (Chrom ID CARBA and OXA) for CP E. coli, incubated overnight at 37 and 44°C, respectively. We provided two isolation protocols for the EU-specific monitoring of ESBL- and AmpC- producing E. coli (part 1) and CP E. coli (part 2) from fresh meat (protocol 1) and caecal (protocol 2) samples, which have been successfully implemented by all EU Member States for the monitoring period 2014-2027 (EU 2020/1729).
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Affiliation(s)
- Rene S. Hendriksen
- National Food Institute, Technical University of Denmark (DTU Food), European Union Reference Laboratory for Antimicrobial Resistance, Research Group for Global Capacity Building, Kgs. Lyngby, Denmark
| | - Lina M. Cavaco
- Department for Bacteria, Parasites and Fungi, Statens Serum Institut, Reference Laboratory for Antimicrobial Resistance, Copenhagen, Denmark
| | | | - Valeria Bortolaia
- Department for Bacteria, Parasites and Fungi, Statens Serum Institut, Reference Laboratory for Antimicrobial Resistance, Copenhagen, Denmark
| | - Yvonne Agersø
- Department of Veterinary and Animal Sciences, University of Copenhagen University, Copenhagen, Denmark
| | - Christina Aaby Svendsen
- National Food Institute, Technical University of Denmark (DTU Food), European Union Reference Laboratory for Antimicrobial Resistance, Research Group for Global Capacity Building, Kgs. Lyngby, Denmark
| | - Hanne Nørgaard Nielsen
- National Food Institute, Technical University of Denmark (DTU Food), European Union Reference Laboratory for Antimicrobial Resistance, Research Group for Global Capacity Building, Kgs. Lyngby, Denmark
| | - Jette Sejer Kjeldgaard
- National Food Institute, Technical University of Denmark (DTU Food), European Union Reference Laboratory for Antimicrobial Resistance, Research Group for Global Capacity Building, Kgs. Lyngby, Denmark
| | - Susanne Karlsmose Pedersen
- National Food Institute, Technical University of Denmark (DTU Food), European Union Reference Laboratory for Antimicrobial Resistance, Research Group for Global Capacity Building, Kgs. Lyngby, Denmark
| | - Mette Fertner
- National Food Institute, Technical University of Denmark (DTU Food), European Union Reference Laboratory for Antimicrobial Resistance, Research Group for Global Capacity Building, Kgs. Lyngby, Denmark
| | - Henrik Hasman
- Department for Bacteria, Parasites and Fungi, Statens Serum Institut, Reference Laboratory for Antimicrobial Resistance, Copenhagen, Denmark
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Harding-Crooks R, Smith D, Fanning S, Fox EM. Dissemination of carbapenemase-producing Enterobacteriaceae and associated resistance determinants through global food systems. Compr Rev Food Sci Food Saf 2023; 22:2706-2727. [PMID: 37083194 DOI: 10.1111/1541-4337.13159] [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: 11/29/2022] [Revised: 03/27/2023] [Accepted: 04/01/2023] [Indexed: 04/22/2023]
Abstract
Antimicrobial agents are a critical component of modern healthcare systems, fulfilling a core function in patient care and improving individual patient outcomes and consequently overall public health. However, the efficacy of antimicrobial interventions is being consistently eroded by the emergence and dissemination of various antimicrobial resistance (AMR) mechanisms. One highly valued class of antimicrobial compounds is carbapenems, which retain efficacy in treating most multidrug-resistant infections and are considered "last line" agents. Therefore, recent trends in proliferation of carbapenem resistance (CR) via dissemination of carbapenemase-encoding genes among members of the Enterobacteriaceae family pose a significant threat to public health. While much of the focus relating to this has been on nosocomial environments, community-acquired carbapenemase-producing Enterobacteriaceae (CPE) infections and their associated transmission routes are less well studied. Among these community-associated vectors, the role of food chains and contaminated foods is important, since Enterobacteriaceae occupy niches within these settings. This review examines foodborne CPE transmission by exploring how interactions within and between food, the food chain, and agriculture not only promote and disseminate CPE, but also create reservoirs of mobile genetic elements that may lead to further carbapenemase gene proliferation both within and between microbial communities. Additionally, recent developments regarding the global occurrence and molecular epidemiology of CPEs in food chains will be reviewed.
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Affiliation(s)
| | - Darren Smith
- Department of Applied Sciences, Northumbria University, Newcastle upon Tyne, UK
| | - Séamus Fanning
- UCD-Centre for Food Safety, School of Public Health, Physiotherapy and Sports Science, University College Dublin, Dublin, Ireland
- Institute for Global Food Security, Queen's University Belfast, Belfast, UK
| | - Edward M Fox
- Department of Applied Sciences, Northumbria University, Newcastle upon Tyne, UK
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Ramírez-Castillo FY, Guerrero-Barrera AL, Avelar-González FJ. An overview of carbapenem-resistant organisms from food-producing animals, seafood, aquaculture, companion animals, and wildlife. Front Vet Sci 2023; 10:1158588. [PMID: 37397005 PMCID: PMC10311504 DOI: 10.3389/fvets.2023.1158588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Accepted: 05/23/2023] [Indexed: 07/04/2023] Open
Abstract
Carbapenem resistance (CR) is a major global health concern. CR is a growing challenge in clinical settings due to its rapid dissemination and low treatment options. The characterization of its molecular mechanisms and epidemiology are highly studied. Nevertheless, little is known about the spread of CR in food-producing animals, seafood, aquaculture, wildlife, their environment, or the health risks associated with CR in humans. In this review, we discuss the detection of carbapenem-resistant organisms and their mechanisms of action in pigs, cattle, poultry, seafood products, companion animals, and wildlife. We also pointed out the One Health approach as a strategy to attempt the emergency and dispersion of carbapenem-resistance in this sector and to determine the role of carbapenem-producing bacteria in animals among human public health risk. A higher occurrence of carbapenem enzymes in poultry and swine has been previously reported. Studies related to poultry have highlighted P. mirabilis, E. coli, and K. pneumoniae as NDM-5- and NDM-1-producing bacteria, which lead to carbapenem resistance. OXA-181, IMP-27, and VIM-1 have also been detected in pigs. Carbapenem resistance is rare in cattle. However, OXA- and NDM-producing bacteria, mainly E. coli and A. baumannii, are cattle's leading causes of carbapenem resistance. A high prevalence of carbapenem enzymes has been reported in wildlife and companion animals, suggesting their role in the cross-species transmission of carbapenem-resistant genes. Antibiotic-resistant organisms in aquatic environments should be considered because they may act as reservoirs for carbapenem-resistant genes. It is urgent to implement the One Health approach worldwide to make an effort to contain the dissemination of carbapenem resistance.
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Affiliation(s)
- Flor Y. Ramírez-Castillo
- Laboratorio de Biología Celular y Tisular, Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Ags, Mexico
| | - Alma L. Guerrero-Barrera
- Laboratorio de Biología Celular y Tisular, Departamento de Morfología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Ags, Mexico
| | - Francisco J. Avelar-González
- Laboratorio de Estudios Ambientales, Departamento de Fisiología y Farmacología, Centro de Ciencias Básicas, Universidad Autónoma de Aguascalientes, Aguascalientes, Ags, Mexico
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Caliskan-Aydogan O, Alocilja EC. A Review of Carbapenem Resistance in Enterobacterales and Its Detection Techniques. Microorganisms 2023; 11:1491. [PMID: 37374993 DOI: 10.3390/microorganisms11061491] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/29/2023] Open
Abstract
Infectious disease outbreaks have caused thousands of deaths and hospitalizations, along with severe negative global economic impacts. Among these, infections caused by antimicrobial-resistant microorganisms are a major growing concern. The misuse and overuse of antimicrobials have resulted in the emergence of antimicrobial resistance (AMR) worldwide. Carbapenem-resistant Enterobacterales (CRE) are among the bacteria that need urgent attention globally. The emergence and spread of carbapenem-resistant bacteria are mainly due to the rapid dissemination of genes that encode carbapenemases through horizontal gene transfer (HGT). The rapid dissemination enables the development of host colonization and infection cases in humans who do not use the antibiotic (carbapenem) or those who are hospitalized but interacting with environments and hosts colonized with carbapenemase-producing (CP) bacteria. There are continuing efforts to characterize and differentiate carbapenem-resistant bacteria from susceptible bacteria to allow for the appropriate diagnosis, treatment, prevention, and control of infections. This review presents an overview of the factors that cause the emergence of AMR, particularly CRE, where they have been reported, and then, it outlines carbapenemases and how they are disseminated through humans, the environment, and food systems. Then, current and emerging techniques for the detection and surveillance of AMR, primarily CRE, and gaps in detection technologies are presented. This review can assist in developing prevention and control measures to minimize the spread of carbapenem resistance in the human ecosystem, including hospitals, food supply chains, and water treatment facilities. Furthermore, the development of rapid and affordable detection techniques is helpful in controlling the negative impact of infections caused by AMR/CRE. Since delays in diagnostics and appropriate antibiotic treatment for such infections lead to increased mortality rates and hospital costs, it is, therefore, imperative that rapid tests be a priority.
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Affiliation(s)
- Oznur Caliskan-Aydogan
- Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI 48824, USA
- Global Alliance for Rapid Diagnostics, Michigan State University, East Lansing, MI 48824, USA
| | - Evangelyn C Alocilja
- Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI 48824, USA
- Global Alliance for Rapid Diagnostics, Michigan State University, East Lansing, MI 48824, USA
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Nordhoff K, Scharlach M, Effelsberg N, Knorr C, Rocker D, Claussen K, Egelkamp R, Mellmann AC, Moss A, Müller I, Roth SA, Werckenthin C, Wöhlke A, Ehlers J, Köck R. Epidemiology and zoonotic transmission of mcr-positive and carbapenemase-producing Enterobacterales on German turkey farms. Front Microbiol 2023; 14:1183984. [PMID: 37346748 PMCID: PMC10280733 DOI: 10.3389/fmicb.2023.1183984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 04/26/2023] [Indexed: 06/23/2023] Open
Abstract
Introduction The emergence of carbapenem-resistant bacteria causing serious infections may lead to more frequent use of previously abandoned antibiotics like colistin. However, mobile colistin resistance genes (mcr) can jeopardise its effectiveness in both human and veterinary medicine. In Germany, turkeys have been identified as the food-producing animal most likely to harbour mcr-positive colistin-resistant Enterobacterales (mcr-Col-E). Therefore, the aim of the present study was to assess the prevalence of both mcr-Col-E and carbapenemase-producing Enterobacterales (CPE) in German turkey herds and humans in contact with these herds. Methods In 2018 and 2019, 175 environmental (boot swabs of turkey faeces) and 46 human stool samples were analysed using a combination of enrichment-based culture, PCR, core genome multilocus sequence typing (cgMLST) and plasmid typing. Results mcr-Col-E were detected in 123 of the 175 turkey farms in this study (70.3%). mcr-Col-E isolates were Escherichia coli (98.4%) and Klebsiella spp. (1.6%). Herds that had been treated with colistin were more likely to harbour mcr-Col-E, with 82.2% compared to 66.2% in untreated herds (p = 0.0298). Prevalence also depended on husbandry, with 7.1% mcr-Col-E in organic farms compared to 74.5% in conventional ones (p < 0.001). In addition, four of the 46 (8.7%) human participants were colonised with mcr-Col-E. mcr-Col-E isolates from stables had minimum inhibitory concentrations (MICs) from 4 to ≥ 32 mg/l, human isolates ranged from 4 to 8 mg/l. cgMLST showed no clonal transmission of isolates. For one farm, plasmid typing revealed great similarities between plasmids from an environmental and a human sample. No CPE were found in turkey herds or humans. Discussion These findings confirm that mcr-Col-E-prevalence is high in turkey farms, but no evidence of direct zoonotic transmission of clonal mcr-Col-E strains was found. However, the results indicate that plasmids may be transmitted between E. coli isolates from animals and humans.
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Affiliation(s)
- Katja Nordhoff
- Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Oldenburg, Germany
- Perioperative Inflammation and Infection, Department of Human Medicine, Carl von Ossietzky University of Oldenburg, Oldenburg, Germany
| | | | | | - Carolin Knorr
- Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Oldenburg, Germany
| | - Dagmar Rocker
- Public Health Agency of Lower Saxony (NLGA), Hanover, Germany
| | - Katja Claussen
- Public Health Agency of Lower Saxony (NLGA), Hanover, Germany
| | | | | | - Andreas Moss
- Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Oldenburg, Germany
| | - Ilona Müller
- Public Health Agency of Lower Saxony (NLGA), Hanover, Germany
| | | | - Christiane Werckenthin
- Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Oldenburg, Germany
| | - Anne Wöhlke
- Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Oldenburg, Germany
| | - Joachim Ehlers
- Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Oldenburg, Germany
| | - Robin Köck
- Institute of Hygiene, University Hospital Münster, Münster, Germany
- Hygiene and Environmental Medicine, University Medicine Essen, Essen, Germany
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Berman TS, Barnett-Itzhaki Z, Berman T, Marom E. Antimicrobial resistance in food-producing animals: towards implementing a one health based national action plan in Israel. Isr J Health Policy Res 2023; 12:18. [PMID: 37101188 PMCID: PMC10132406 DOI: 10.1186/s13584-023-00562-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 04/01/2023] [Indexed: 04/28/2023] Open
Abstract
BACKGROUND Development of antimicrobial resistance poses a major threat to human and animal health worldwide. Antimicrobials are frequently used in animal husbandry, making food-producing animals a widespread and important source of antimicrobial resistance. Indeed, recent evidence demonstrates that antimicrobial resistance in food-producing animals poses a threat to the health of humans, animals and the environment. To address this threat, national action plans have been implemented based on a 'One Health' approach, which integrates actions across human and animal health sectors to combat antimicrobial resistance. Although under development, Israel has yet to publish a national action plan against antimicrobial resistance, despite alarming findings of resistant bacteria in food-producing animals in the country. Here we review several national action plans against antimicrobial resistance around the world in order to suggest approaches to develop a national action plan in Israel. MAIN BODY We investigated worldwide national action plans against antimicrobial resistance based on a 'One Health' approach. We also conducted interviews with representatives of relevant Israeli ministries to understand antimicrobial resistance policy and regulatory frameworks in Israel. Finally, we present recommendations for Israel towards implementing a 'One Health' national action plan against antimicrobial resistance. Many countries have developed such plans, however, only a few are currently funded. Furthermore, many countries, especially in Europe, have taken action to reduce the use of antimicrobials and the spread of antimicrobial resistance in food-producing animals by banning the use of antimicrobials to promote growth, reporting data on the use and sales of antimicrobials in food-producing animals, operating centralized antimicrobial resistance surveillance systems and preventing the use of antimicrobials important to human medicine to treat food-producing animals. CONCLUSIONS Without a comprehensive and funded national action plan, the risks of antimicrobial resistance to the public health in Israel will escalate. Thus, several actions should be considered: (1) Reporting data on the use of antimicrobials in humans and animals. (2) Operating a centralized surveillance system for antimicrobial resistance in humans, animals and the environment. (3) Improving awareness regarding antimicrobial resistance in the general public and in health practitioners from both human and animal sectors. (4) Composing a list of critically important antimicrobials to human medicine that's use should be avoided in food-producing animals. (5) Enforcing best practices of antimicrobial use at the farm-level. (6) Reducing incidence of infection through farm biosecurity. (7) Supporting research and development of new antimicrobial treatments, vaccines and diagnostic tools.
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Affiliation(s)
- Tali Sarah Berman
- Mimshak, The Israel Society of Ecology and Environmental Sciences, 19 Kehilat New York St, Tel Aviv, Israel.
- Public Health Services, Ministry of Health, 39 Yirmiyahu St, Jerusalem, Israel.
- Department of Entomology, Newe Ya'ar Research Center, ARO, Ramat Yishai, Israel.
| | - Zohar Barnett-Itzhaki
- Ruppin Research Group in Environmental and Social Sustainability, Ruppin Academic Center, 4025000, Emek Hefer, Israel
| | - Tamar Berman
- Public Health Services, Ministry of Health, 39 Yirmiyahu St, Jerusalem, Israel
| | - Eli Marom
- Public Health Services, Ministry of Health, 39 Yirmiyahu St, Jerusalem, Israel
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11
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Carelli M, Griggio F, Mingoia M, Garofalo C, Milanović V, Pozzato N, Leoni F, Veschetti L, Malerba G, Sandri A, Patuzzo C, Simoni S, Lleo MM, Vignaroli C. Detecting Carbapenemases in Animal and Food Samples by Droplet Digital PCR. Antibiotics (Basel) 2022; 11:antibiotics11121696. [PMID: 36551353 PMCID: PMC9774140 DOI: 10.3390/antibiotics11121696] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/26/2022] Open
Abstract
BACKGROUND The presence of carbapenemase-producing bacteria (CPB) in animal hosts and along the food chain may result in the development of reservoirs for human infections. Several CPB strains isolated from animals have been reported, suggesting that transmission and dissemination of the corresponding genes between humans and animals may occur. Animal and food samples have complex backgrounds that hinder the detection of CPB present in low concentrations by standard detection procedures. METHODS We evaluated the possibility of detecting blaKPC, blaVIM, and blaOXA-48-like carbapenemases in 286 animal and food samples (faeces from farm and companion animals, raw meat, bivalve molluscs) by culture-based and standard molecular methods and by ddPCR. RESULTS The proposed ddPCR managed to detect the target genes, also in samples resulting negative to standard methods. While the presence of blaKPC and blaVIM was detected in few samples (~3%), one third of the samples (n = 94/283) carried different variants of blaOXA-48-like genes. CONCLUSION A specific and sensitive method such as ddPCR could be suitable to evaluate the current veterinarian and environmental situation and to assess the dynamic transmission and persistence of CPB between animals and humans and vice versa.
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Affiliation(s)
- Maria Carelli
- Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
| | - Francesca Griggio
- Centro Piattaforme Tecnologiche, University of Verona, 37134 Verona, Italy
| | - Marina Mingoia
- Department of Biomedical Sciences and Public Health, Polytechnic University of Marche, 60121 Ancona, Italy
| | - Cristiana Garofalo
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, 60121 Ancona, Italy
| | - Vesna Milanović
- Department of Agricultural, Food and Environmental Sciences, Polytechnic University of Marche, 60121 Ancona, Italy
| | - Nicola Pozzato
- Laboratorio di Diagnostica Clinica e Sierologia di Piano, Istituto Zooprofilattico Sperimentale delle Venezie, 37060 Buttapietra, Italy
| | - Francesca Leoni
- Laboratorio Nazionale di Riferimento (LNR) per il Controllo delle Contaminazioni Batteriche dei Molluschi Bivalvi, Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche “Togo Rosati”, 60121 Ancona, Italy
| | - Laura Veschetti
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy
| | - Giovanni Malerba
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy
| | - Angela Sandri
- Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
| | - Cristina Patuzzo
- Department of Neurosciences, Biomedicine and Movement Sciences, University of Verona, 37134 Verona, Italy
| | - Serena Simoni
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60121 Ancona, Italy
| | - Maria M. Lleo
- Department of Diagnostics and Public Health, University of Verona, 37134 Verona, Italy
- Correspondence:
| | - Carla Vignaroli
- Department of Life and Environmental Sciences, Polytechnic University of Marche, 60121 Ancona, Italy
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12
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Zhao M, Xie R, Wang S, Huang X, Yang H, Wu W, Lin L, Chen H, Fan J, Hua L, Liang W, Zhang J, Wang X, Chen H, Peng Z, Wu B. Identification of a broad-spectrum lytic Myoviridae bacteriophage using multidrug resistant Salmonella isolates from pig slaughterhouses as the indicator and its application in combating Salmonella infections. BMC Vet Res 2022; 18:270. [PMID: 35821025 PMCID: PMC9277904 DOI: 10.1186/s12917-022-03372-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 07/04/2022] [Indexed: 11/30/2022] Open
Abstract
Background Salmonella is a leading foodborne and zoonotic pathogen, and is widely distributed in different nodes of the pork supply chain. In recent years, the increasing prevalence of antimicrobial resistant Salmonella poses a threat to global public health. The purpose of this study is to the prevalence of antimicrobial resistant Salmonella in pig slaughterhouses in Hubei Province in China, and explore the effect of using lytic bacteriophages fighting against antimicrobial resistant Salmonella. Results We collected a total of 1289 samples including anal swabs of pigs (862/1289), environmental swabs (204/1289), carcass surface swabs (36/1289) and environmental agar plates (187/1289) from eleven slaughterhouses in seven cities in Hubei Province and recovered 106 Salmonella isolates. Antimicrobial susceptibility testing revealed that these isolates showed a high rate of antimicrobial resistance; over 99.06% (105/106) of them were multidrug resistant. To combat these drug resistant Salmonella, we isolated 37 lytic phages using 106 isolates as indicator bacteria. One of them, designated ph 2–2, which belonged to the Myoviridae family, displayed good capacity to kill Salmonella under different adverse conditions (exposure to different temperatures, pHs, UV, and/or 75% ethanol) and had a wide lytic spectrum. Evaluation in mouse models showed that ph 2–2 was safe and saved 80% (administrated by gavage) and 100% (administrated through intraperitoneal injection) mice from infections caused by Salmonella Typhimurium. Conclusions The data presented herein demonstrated that Salmonella contamination remains a problem in some pig slaughter houses in China and Salmonella isolates recovered in slaughter houses displayed a high rate of antimicrobial resistance. In addition, broad-spectrum lytic bacteriophages may represent a good candidate for the development of anti-antimicrobial resistant Salmonella agents. Supplementary Information The online version contains supplementary material available at 10.1186/s12917-022-03372-8.
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Affiliation(s)
- Mengfei Zhao
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Rui Xie
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Shuang Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xi Huang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Hao Yang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Wenqing Wu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Lin Lin
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Hongjian Chen
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jie Fan
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Lin Hua
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Wan Liang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China.,Present address: Hubei Jin Xu Agricultural Development Limited by Share Ltd., Wuhan, China
| | - Jianmin Zhang
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Xiangru Wang
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Huanchun Chen
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China.,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China
| | - Zhong Peng
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China. .,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China. .,Hubei Hongshan Laboratory, Wuhan, China.
| | - Bin Wu
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, China. .,Key Laboratory of Preventive Veterinary Medicine in Hubei Province, The Cooperative Innovation Centre for Sustainable Pig Production, Huazhong Agricultural University, Wuhan, 430070, China.
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13
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Survey on Carbapenem-Resistant Bacteria in Pigs at Slaughter and Comparison with Human Clinical Isolates in Italy. Antibiotics (Basel) 2022; 11:antibiotics11060777. [PMID: 35740183 PMCID: PMC9219774 DOI: 10.3390/antibiotics11060777] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 05/30/2022] [Accepted: 06/06/2022] [Indexed: 11/17/2022] Open
Abstract
This study is focused on resistance to carbapenems and third-generation cephalosporins in Gram-negative microorganisms isolated from swine, whose transmission to humans via pork consumption cannot be excluded. In addition, the common carriage of carbapenem-resistant (CR) bacteria between humans and pigs was evaluated. Sampling involved 300 faecal samples collected from slaughtered pigs and 300 urine samples collected from 187 hospitalised patients in Parma Province (Italy). In swine, MIC testing confirmed resistance to meropenem for isolates of Pseudomonas aeruginosa and Pseudomonas oryzihabitans and resistance to cefotaxime and ceftazidime for Escherichia coli, Ewingella americana, Enterobacter agglomerans, and Citrobacter freundii. For Acinetobacter lwoffii, Aeromonas hydrofila, Burkolderia cepacia, Corynebacterium indologenes, Flavobacterium odoratum, and Stenotrophomonas maltophilia, no EUCAST MIC breakpoints were available. However, ESBL genes (blaCTXM-1, blaCTX-M-2, blaTEM-1, and blaSHV) and AmpC genes (blaCIT, blaACC, and blaEBC) were found in 38 and 16 isolates, respectively. P. aeruginosa was the only CR species shared by pigs (4/300 pigs; 1.3%) and patients (2/187; 1.1%). P. aeruginosa ST938 carrying blaPAO and blaOXA396 was detected in one pig as well as an 83-year-old patient. Although no direct epidemiological link was demonstrable, SNP calling and cgMLST showed a genetic relationship of the isolates (86 SNPs and 661 allele difference), thus suggesting possible circulation of CR bacteria between swine and humans.
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14
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Uyanik T, Çadirci Ö, Gücükoğlu A, Can C. Investigation of major carbapenemase genes in ESBL-producing Escherichia coli and Klebsiella pneumoniae strains isolated from raw milk in Black Sea region of Turkey. Int Dairy J 2022. [DOI: 10.1016/j.idairyj.2021.105315] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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15
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Jesumirhewe C, Springer B, Allerberger F, Ruppitsch W. Genetic Characterization of Antibiotic Resistant Enterobacteriaceae Isolates From Bovine Animals and the Environment in Nigeria. Front Microbiol 2022; 13:793541. [PMID: 35283848 PMCID: PMC8916115 DOI: 10.3389/fmicb.2022.793541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Accepted: 01/10/2022] [Indexed: 11/30/2022] Open
Abstract
There is a link between antibiotic resistance in humans, livestock and the environment. This study was carried out to characterize antibiotic resistant bovine and environmental Enterobacteriaceae isolates from Edo state, Nigeria. A total of 109 consecutive isolates of Enterobacteriaceae were isolated from March–May 2015 from 150 fecal samples of healthy bovine animals from three farms at slaughter in Edo state Nigeria. Similarly, 43 Enterobacteriaceae isolates were also obtained from a total of 100 environmental samples from different sources. Isolates were recovered and identified from samples using standard microbiological techniques. Recovered isolates were pre-identified by the Microbact Gram-Negative identification system and confirmed with Matrix-assisted laser desorption ionization-time of flight (MALDI-TOF) mass spectrometry and ribosomal multilocus sequence typing (rMLST). Antibiotic susceptibility testing was carried out by Kirby-Bauer method for 14 antibiotics. Whole genome sequencing (WGS) was carried out for isolate characterization and identification of resistance determinants. Out of 109 animal and 43 environmental Enterobacteriaceae isolates, 18 (17%) and 8 (19%) isolates based on selection criteria showed antibiotic resistance and were further investigated by whole genome sequencing (WGS). Resistance genes were detected in all (100%) of the resistant bovine and environmental Enterobacteriaceae isolates. The resistance determinants included β-lactamase genes, aminoglycoside modifying enzymes, qnr genes, sulfonamide, tetracycline and trimethoprim resistance genes, respectively. Out of the 18 and 8 resistant animal and environmental isolates 3 (17%) and 2 (25%) were multidrug resistant (MDR) and had resistance determinants which included efflux genes, regulatory systems modulating antibiotic efflux and antibiotic target alteration genes. Our study shows the dissemination of antibiotic resistance especially MDR strains among Nigerian bovine and environmental Enterobacteriaceae isolates. The presence of these resistant strains in animals and the environment constitute a serious health concern indicated by the difficult treatment options of the infections caused by these organisms. To the best of our knowledge we report the first detailed genomic characterization of antibiotic resistance in bovine and environmental Enterobacteriaceae isolates for Nigeria.
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Affiliation(s)
- Christiana Jesumirhewe
- Department of Pharmaceutical Microbiology, Prof Dora Akunyili College of Pharmacy, Igbinedion University, Okada, Nigeria
- *Correspondence: Christiana Jesumirhewe,
| | - Burkhard Springer
- Institute of Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety, Vienna, Austria
| | - Franz Allerberger
- Institute of Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety, Vienna, Austria
| | - Werner Ruppitsch
- Institute of Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety, Vienna, Austria
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16
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Dankittipong N, Fischer EAJ, Swanenburg M, Wagenaar JA, Stegeman AJ, de Vos CJ. Quantitative Risk Assessment for the Introduction of Carbapenem-Resistant Enterobacteriaceae (CPE) into Dutch Livestock Farms. Antibiotics (Basel) 2022; 11:antibiotics11020281. [PMID: 35203883 PMCID: PMC8868399 DOI: 10.3390/antibiotics11020281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/09/2022] [Accepted: 02/15/2022] [Indexed: 12/10/2022] Open
Abstract
Early detection of emerging carbapenem-resistant Enterobacteriaceae (CPE) in food-producing animals is essential to control the spread of CPE. We assessed the risk of CPE introduction from imported livestock, livestock feed, companion animals, hospital patients, and returning travelers into livestock farms in The Netherlands, including (1) broiler, (2) broiler breeder, (3) fattening pig, (4) breeding pig, (5) farrow-to-finish pig, and (6) veal calf farms. The expected annual number of introductions was calculated from the number of farms exposed to each CPE source and the probability that at least one animal in an exposed farm is colonized. The total number of farms with CPE colonization was estimated to be the highest for fattening pig farms, whereas the probability of introduction for an individual farm was the highest for broiler farms. Livestock feed and imported livestock are the most likely sources of CPE introduction into Dutch livestock farms. Sensitivity analysis indicated that the number of fattening pig farms determined the number of high introductions in fattening pigs from feed, and that uncertainty on CPE prevalence impacted the absolute risk estimate for all farm types. The results of this study can be used to inform risk-based surveillance for CPE in livestock farms.
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Affiliation(s)
- Natcha Dankittipong
- Department Population Health Sciences, Farm Animal Health, Utrecht University, Martinus G. de Bruingebouw, Yalelaan 7, 3584 CL Utrecht, The Netherlands; (E.A.J.F.); (A.J.S.)
- Correspondence:
| | - Egil A. J. Fischer
- Department Population Health Sciences, Farm Animal Health, Utrecht University, Martinus G. de Bruingebouw, Yalelaan 7, 3584 CL Utrecht, The Netherlands; (E.A.J.F.); (A.J.S.)
| | - Manon Swanenburg
- Wageningen Bioveterinary Research, Wageningen University & Research, Houtribweg 39, 8221 RA Lelystad, The Netherlands; (M.S.); (C.J.d.V.)
| | - Jaap A. Wagenaar
- Department Biomolecular Health Science, Infectious Diseases & Immunology, Utrecht University, Androclusgebouw, Yalelaan 1, 3584 CL Utrecht, The Netherlands;
| | - Arjan J. Stegeman
- Department Population Health Sciences, Farm Animal Health, Utrecht University, Martinus G. de Bruingebouw, Yalelaan 7, 3584 CL Utrecht, The Netherlands; (E.A.J.F.); (A.J.S.)
| | - Clazien J. de Vos
- Wageningen Bioveterinary Research, Wageningen University & Research, Houtribweg 39, 8221 RA Lelystad, The Netherlands; (M.S.); (C.J.d.V.)
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17
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Dierikx C, Börjesson S, Perrin-Guyomard A, Haenni M, Norström M, Divon HH, Ilag HK, Granier SA, Hammerum A, Kjeldgaard JS, Pauly N, Randall L, Anjum MF, Smialowska A, Franco A, Veldman K, Slettemeås JS. A European multicenter evaluation study to investigate the performance on commercially available selective agar plates for the detection of carbapenemase producing Enterobacteriaceae. J Microbiol Methods 2022; 193:106418. [PMID: 35041877 DOI: 10.1016/j.mimet.2022.106418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 01/12/2022] [Accepted: 01/12/2022] [Indexed: 12/27/2022]
Abstract
The European Food Safety Authority (EFSA) advised to prioritize monitoring carbapenemase producing Enterobacteriaceae (CPE) in food producing animals. Therefore, this study evaluated the performance of different commercially available selective agars for the detection of CPE using spiked pig caecal and turkey meat samples and the proposed EFSA cultivation protocol. Eleven laboratories from nine countries received eight samples (four caecal and four meat samples). For each matrix, three samples contained approximately 100 CFU/g CPE, and one sample lacked CPE. After overnight enrichment in buffered peptone water, broths were spread upon Brilliance™ CRE Agar (1), CHROMID® CARBA (2), CHROMagar™ mSuperCARBA™ (3), Chromatic™ CRE (4), CHROMID® OXA-48 (5) and Chromatic™ OXA-48 (6). From plates with suspected growth, one to three colonies were selected for species identification, confirmation of carbapenem resistance and detection of carbapenemase encoding genes, by methods available at participating laboratories. Of the eleven participating laboratories, seven reported species identification, susceptibility tests and genotyping on isolates from all selective agar plates. Agars 2, 4 and 5 performed best, with 100% sensitivity. For agar 3, a sensitivity of 96% was recorded, while agar 1 and 6 performed with 75% and 43% sensitivity, respectively. More background flora was noticed for turkey meat samples than pig caecal samples. Based on this limited set of samples, most commercially available agars performed adequately. The results indicate, however, that OXA-48-like and non-OXA-48-like producers perform very differently, and one should consider which CPE strains are of interest to culture when choosing agar type.
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Affiliation(s)
- Cindy Dierikx
- National Institute for Public Health and the Environment, Antonie van Leeuwenhoeklaan 9, 3721, MA, Bilthoven, the Netherlands
| | - Stefan Börjesson
- National Veterinary Institute, SE-751 89 Uppsala, Sweden; Public Health Agency of Sweden, SE-171 82 Solna, Sweden
| | - Agnès Perrin-Guyomard
- French Agency for Food, Environmental and Occupational Health & Safety, Fougères Laboratory, 10B rue Claude Bourgelat, Javené CS 40608 35306 Fougères Cedex, France
| | - Marisa Haenni
- French Agency for Food, Environmental and Occupational Health & Safety - Lyon University, Lyon Laboratory, 31, avenue Tony Garnier 69394 Lyon Cedex 07, France
| | | | - Hege H Divon
- Norwegian Veterinary Institute, P.O. Box 64, 1431 Ås, Norway
| | | | - Sophie A Granier
- French Agency for Food, Environmental and Occupational Health & Safety, Fougères Laboratory, 10B rue Claude Bourgelat, Javené CS 40608 35306 Fougères Cedex, France
| | - Annette Hammerum
- Statens Serums Institut, Artillerivej 5, DK-2300 Copenhagen S, Denmark
| | - Jette Sejer Kjeldgaard
- Technical University of Denmark, DTU Fødevareinstituttet, Kemitorvet, Bygning 202, DK-2800 Kgs Lyngby, Denmark
| | - Natalie Pauly
- German Federal Institute for Risk Assessment, Max-Dohrn-Str. 8-10, 10589 Berlin, Germany
| | - Luke Randall
- Animal and Plant Health Agency, Woodham Ln, Addlestone KT15 3NB, United Kingdom
| | - Muna F Anjum
- Animal and Plant Health Agency, Woodham Ln, Addlestone KT15 3NB, United Kingdom
| | - Aleksandra Smialowska
- National Veterinary Research Institute, 57 Partyzantów Avenue, 24-100 PUŁAWY, Poland
| | - Alessia Franco
- Istituto Zooprofilattico Sperimentale del Lazio e della Toscana "M. Aleandri", via Appia Nuova, 1411 - 00178 Roma, Italy
| | - Kees Veldman
- Wageningen Bioveterinary Research, P.O. Box 65, 8200 AB Lelystad, the Netherlands
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18
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Prevalence and zoonotic transmission of colistin-resistant and carbapenemase-producing Enterobacterales on German pig farms. One Health 2021; 13:100354. [PMID: 34934795 PMCID: PMC8654966 DOI: 10.1016/j.onehlt.2021.100354] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 11/24/2021] [Accepted: 11/25/2021] [Indexed: 11/22/2022] Open
Abstract
The treatment of infections due to colistin-resistant (Col-E) and carbapenemase-producing (CPE) Enterobacterales challenges clinicians both in human and veterinary medicine. Preventing zoonotic transmission of these multidrug-resistant bacteria is a Public Health priority. This study investigates the prevalence of Col-E and CPE on 81 pig farms in North-West Germany as well as among 138 directly exposed humans working on these farms. Between March 2018 and September 2020, 318 samples of porcine feces were taken using boot swabs. Farm workers provided a stool sample. Both a selective culture-based approach and a molecular detection of colistin (mcr-1 to mcr-5) and carbapenem resistance determinants (bla OXA-48/bla VIM/bla KPC/bla NDM) was used to screen all samples. Isolates from farm workers and farms were compared using core genome multilocus-sequence typing (cgMLST) and plasmid-typing. CPE were cultured neither from porcine feces nor from human stool samples. In one stool sample, bla OXA-48 was detected, but no respective CPE isolate was found. Col-E were found in 18/318 porcine (5.7%) samples from 10/81 (12.3%) farms and 2/138 (1.4%) farmers, respectively. All Col-E isolates were Escherichia coli harboring mcr-1. Both farm workers colonized with Col-E worked on farms where no Col-E were detected in porcine samples. In conclusion, CPE were absent on German pig farms. This supports findings of culture-based national monitoring systems and provides evidence that even when improving the diagnostic sensitivity by using molecular detection techniques in addition to culture, CPE are not prevalent. Col-E were prevalent in porcine feces despite a recent decrease in colistin usage among German livestock and absence of colistin treatments on the sampled farms. Farmers carried Col-E, but zoonotic transmission was not confirmed.
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Exploring the Global Spread of Klebsiella grimontii Isolates Possessing blaVIM-1 and mcr-9. Antimicrob Agents Chemother 2021; 65:e0072421. [PMID: 34181480 DOI: 10.1128/aac.00724-21] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
The spread of plasmid-mediated carbapenemases within Klebsiella oxytoca is well-documented. In contrast, data concerning the closely related species Klebsiella grimontii are scarce. In fact, despite the recent report of the first blaKPC-2-producing K. grimontii, nothing is known about its clonality and antibiotic resistance patterns. In a retrospective search in our collection, we identified 2 blaVIM-positive K. oxytoca strains. Whole-genome sequencing with both Illumina and Nanopore indicated that our strains actually belonged to K. grimontii and were of sequence type 172 (ST172) and ST189. Moreover, the two strains were associated with 297-kb IncHI2/HI2A-pST1 and 90.6-kb IncFII(Yp) plasmids carrying blaVIM-1 together with mcr-9 and blaVIM-1, respectively. In the IncHI2/HI2A plasmid, blaVIM-1 was located in a class 1 integron (In110), while mcr-9 was associated with the qseC-qseB-like regulatory elements. Overall, this plasmid was shown to be very similar to those carried by other Enterobacterales isolated from food and animal sources (e.g., Salmonella and Enterobacter spp. detected in Germany and Egypt). The IncFII(Yp) plasmid was unique, and its blaVIM-1 region was associated with a rare integron (In1373). Mapping of In1373 indicated a possible origin in Austria from an Enterobacter hormaechei carrying a highly similar plasmid. Core-genome phylogenies indicated that the ST172 K. grimontii belonged to a clone of identical Swedish and Swiss strains (≤15 single nucleotide variants [SNVs] to each other), whereas the ST189 strain was sporadic. Surveillance of carbapenemase-producing K. oxytoca strains should be reinforced to detect and prevent the dissemination of new species belonging to the Klebsiella genus.
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Köck R, Herr C, Kreienbrock L, Schwarz S, Tenhagen BA, Walther B. Multiresistant Gram-Negative Pathogens—A Zoonotic Problem. DEUTSCHES ARZTEBLATT INTERNATIONAL 2021; 118:579-589. [PMID: 33814041 DOI: 10.3238/arztebl.m2021.0184] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 11/25/2020] [Accepted: 03/07/2021] [Indexed: 11/27/2022]
Abstract
BACKGROUND Extended-spectrum-β-lactamase-producing, carbapenemase-producing, and colistin-resistant Enterobacteriaceae (ESBL-E, CPE, and Col-E) are multiresistant pathogens that are increasingly being encountered in both human and veterinary medicine. In this review, we discuss the frequency, sources, and significance of the zoonotic transmission of these pathogens between animals and human beings. METHODS This review is based on pertinent publications retrieved by a selective literature search. Findings for Germany are presented in the global context. RESULTS ESBL-E are common in Germany in both animals and human beings, with a 6-10% colonization rate in the general human population. A major source of ESBL-E is human-tohuman transmission, partly through travel. Some colonizations are of zoonotic origin (i.e., brought about by contact with animals or animal-derived food products); in the Netherlands, more than 20% of cases are thought to be of this type. CPE infections, on the other hand, are rare in Germany in both animals and human beings. Their main source in human beings is nosocomial transmission. Col-E, which bear mcr resistance genes, have been described in Germany mainly in food-producing animals and their meat. No representative data are available on Col-E in human beings in Germany; in Europe, the prevalence of colonization is less than 2%, with long-distance travel as a risk factor. The relevance of animals as a source of Col-E for human beings is not yet entirely clear. CONCLUSION Livestock farming and animal contact affect human colonization with the multiresistant Gram-negative pathogens CPE, ESBL-E and Col-E to differing extents. Improved prevention will require the joint efforts of human and veterinary medicine.
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Ewers C, de Jong A, Prenger-Berninghoff E, El Garch F, Leidner U, Tiwari SK, Semmler T. Genomic Diversity and Virulence Potential of ESBL- and AmpC-β-Lactamase-Producing Escherichia coli Strains From Healthy Food Animals Across Europe. Front Microbiol 2021; 12:626774. [PMID: 33868190 PMCID: PMC8047082 DOI: 10.3389/fmicb.2021.626774] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 03/02/2021] [Indexed: 01/07/2023] Open
Abstract
The role of livestock animals as a putative source of ESBL/pAmpC E. coli for humans is a central issue of research. In a large-scale pan-European surveillance, 2,993 commensal Escherichia spp. isolates were recovered from randomly collected fecal samples of healthy cattle, pigs and chickens in various abattoirs. One-hundred Escherichia spp. isolates (0.5% from cattle, 1.3% pigs, 8.0% chickens) fulfilled the criteria for cefotaxime and ceftazidime non-wildtype (EUCAST). In silico screening of WGS data of 99 isolates (98 E. coli and 1 E. fergusonii) revealed blaSHV–12 (32.3%), blaCTX–M–1 (24.2%), and blaCMY–2 (22.2%) as predominant ESBL/pAmpC types. Other types were blaSHV–2 (1.0%), blaCTX–M–2/–14/–15 (1.0/6.1/1.0%), and blaTEM–52 (5.1%). Six isolates revealed AmpC-promoter mutations (position −42 (C > T) and one carried mcr-1. The majority (91.3%) of ESBL/pAmpC genes were located on plasmids. SHV-12 was mainly (50%) encoded on IncI1α plasmids (pST-3/-26/-95), followed by IncX3 (12.5%) and IncK2 (3.1%). The blaTEM–52 genes were located on IncI1α-pST-36 (60%) and IncX1 plasmids (20%). The dominant plasmid lineage among CTX-M-1 isolates was IncI1α (pST-3/-295/-317) (87.5%), followed by IncN-pST-1 (8.3%). CMY-2 was mostly identified on IncI1α (pST-12/-2) (54.5%) and IncK2 (31.8%) plasmids. Several plasmids revealed high similarity to published plasmids from human and animal Enterobacteriaceae. The isolates were assigned to phylogroups A/C (34.7/7.1%), B1 (27.6%), B2 (3.1%), D/F (9.2/10.2%), E (5.1%), and to E. clades (3.0%). With 51 known and 2 novel MLST types, a wide variety of STs was found, including STs previously observed in human isolates (ST10/38/117/131/648). ESBL/AmpC types or STs were rarely correlated with the geographic origin of the isolates or animal species. Virulence gene typing identified extraintestinal pathogenic E. coli (ExPEC; 2.0%), avian pathogenic E. coli (APEC; 51.5%), and atypical enteropathogenic E. coli (EPEC; 6.1%). In conclusion, the high diversity of STs and phylogenetic groups provides hardly any hint for clonal spread of single lineages but hints toward the dissemination of cephalosporin resistance genes in livestock via distinct, globally successful plasmid lineages. Even though a number of isolates could not be assigned to a distinct pathotype, our finding of combined multidrug-resistance and virulence in this facultative pathogen should be considered an additional threat to public health.
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Affiliation(s)
- Christa Ewers
- Department of Veterinary Medicine, Institute of Hygiene and Infectious Diseases of Animals, Justus Liebig University Giessen, Giessen, Germany
| | - Anno de Jong
- European Antimicrobial Susceptibility Surveillance in Animals (EASSA) Study Group, Executive Animal Health Study Center (CEESA), Brussels, Belgium
| | - Ellen Prenger-Berninghoff
- Department of Veterinary Medicine, Institute of Hygiene and Infectious Diseases of Animals, Justus Liebig University Giessen, Giessen, Germany
| | - Farid El Garch
- European Antimicrobial Susceptibility Surveillance in Animals (EASSA) Study Group, Executive Animal Health Study Center (CEESA), Brussels, Belgium
| | - Ursula Leidner
- Department of Veterinary Medicine, Institute of Hygiene and Infectious Diseases of Animals, Justus Liebig University Giessen, Giessen, Germany
| | - Sumeet K Tiwari
- NG1 Microbial Genomics, Robert Koch Institute, Berlin, Germany
| | - Torsten Semmler
- NG1 Microbial Genomics, Robert Koch Institute, Berlin, Germany
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Identification of a blaVIM-1-Carrying IncA/C 2 Multiresistance Plasmid in an Escherichia coli Isolate Recovered from the German Food Chain. Microorganisms 2020; 9:microorganisms9010029. [PMID: 33374123 PMCID: PMC7824508 DOI: 10.3390/microorganisms9010029] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/13/2020] [Accepted: 12/21/2020] [Indexed: 11/17/2022] Open
Abstract
Within the German national monitoring of zoonotic agents, antimicrobial resistance determination also targets carbapenemase-producing (CP) Escherichia coli by selective isolation from food and livestock. In this monitoring in 2019, the CP E. coli 19-AB01133 was recovered from pork shoulder. The isolate was assigned to the phylogenetic group B1 and exhibited the multi-locus sequence-type ST5869. Molecular investigations, including whole genome sequencing, of 19-AB01133 revealed that the isolate carried the resistance genes blaVIM-1, blaSHV-5 and blaCMY-13 on a self-transmissible IncA/C2 plasmid. The plasmid was closely related to the previously described VIM-1-encoding plasmid S15FP06257_p from E. coli of pork origin in Belgium. Our results indicate an occasional spread of the blaVIM-1 gene in Enterobacteriaceae of the European pig population. Moreover, the blaVIM-1 located on an IncA/C2 plasmid supports the presumption of a new, probably human source of carbapenemase-producing Enterobacteriaceae (CPE) entering the livestock and food chain sector.
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Ogunrinu OJ, Norman KN, Vinasco J, Levent G, Lawhon SD, Fajt VR, Volkova VV, Gaire T, Poole TL, Genovese KJ, Wittum TE, Scott HM. Can the use of older-generation beta-lactam antibiotics in livestock production over-select for beta-lactamases of greatest consequence for human medicine? An in vitro experimental model. PLoS One 2020; 15:e0242195. [PMID: 33196662 PMCID: PMC7668573 DOI: 10.1371/journal.pone.0242195] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 10/29/2020] [Indexed: 12/16/2022] Open
Abstract
Though carbapenems are not licensed for use in food animals in the U.S., carbapenem resistance among Enterobacteriaceae has been identified in farm animals and their environments. The objective of our study was to determine the extent to which older-generation β-lactam antibiotics approved for use in food animals in the U.S. might differentially select for resistance to antibiotics of critical importance to human health, such as carbapenems. Escherichia coli (E. coli) strains from humans, food animals, or the environment bearing a single β-lactamase gene (n = 20 each) for blaTEM-1, blaCMY-2, and blaCTX-M-* or else blaKPC/IMP/NDM (due to limited availability, often in combination with other bla genes), were identified, along with 20 E. coli strains lacking any known beta-lactamase genes. Baseline estimates of intrinsic bacterial fitness were derived from the population growth curves. Effects of ampicillin (32 μg/mL), ceftriaxone (4 μg/mL) and meropenem (4 μg/mL) on each strain and resistance-group also were assessed. Further, in vitro batch cultures were prepared by mixing equal concentrations of 10 representative E. coli strains (two from each resistance gene group), and each mixture was incubated at 37°C for 24 hours in non-antibiotic cation-adjusted Mueller-Hinton II (CAMH-2) broth, ampicillin + CAMH-2 broth (at 2, 4, 8, 16, and 32 μg/mL) and ceftiofur + CAMH-2 broth (at 0.5, 1, 2, 4, and 8μg/mL). Relative and absolute abundance of resistance-groups were estimated phenotypically. Line plots of the raw data were generated, and non-linear Gompertz models and multilevel mixed-effect linear regression models were fitted to the data. The observed strain growth rate distributions were significantly different across the groups. AmpC strains (i.e., blaCMY-2) had distinctly less robust (p < 0.05) growth in ceftriaxone (4 μg/mL) compared to extended-spectrum beta-lactamase (ESBL) producers harboring blaCTX-M-*variants. With increasing beta-lactam antibiotic concentrations, relative proportions of ESBLs and CREs were over-represented in the mixed bacterial communities; importantly, this was more pronounced with ceftiofur than with ampicillin. These results indicate that aminopenicillins and extended-spectrum cephalosporins would be expected to propagate carbapenemase-producing Enterobacteriaceae in food animals if and when Enterobacteriaceae from human health care settings enter the food animal environment.
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Affiliation(s)
- Olanrewaju J. Ogunrinu
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Keri N. Norman
- Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, Texas, United States of America
| | - Javier Vinasco
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Gizem Levent
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Sara D. Lawhon
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
| | - Virginia R. Fajt
- Department of Veterinary Physiology & Pharmacology, Texas A&M University, College Station, Texas, United States of America
| | - Victoria V. Volkova
- Department of Diagnostic Medicine/Pathobiology, Kansas State University, Manhattan, Kansas, United States of America
| | - Tara Gaire
- Department of Diagnostic Medicine/Pathobiology, Kansas State University, Manhattan, Kansas, United States of America
| | - Toni L. Poole
- Southern Plains Agricultural Research Center, United States Department of Agriculture, College Station, Texas, United States of America
| | - Kenneth J. Genovese
- Southern Plains Agricultural Research Center, United States Department of Agriculture, College Station, Texas, United States of America
| | - Thomas E. Wittum
- Department of Veterinary Preventive Medicine, The Ohio State University, Columbus, Ohio, United States of America
| | - H. Morgan Scott
- Department of Veterinary Pathobiology, Texas A&M University, College Station, Texas, United States of America
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Taggar G, Attiq Rheman M, Boerlin P, Diarra MS. Molecular Epidemiology of Carbapenemases in Enterobacteriales from Humans, Animals, Food and the Environment. Antibiotics (Basel) 2020; 9:antibiotics9100693. [PMID: 33066205 PMCID: PMC7602032 DOI: 10.3390/antibiotics9100693] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 10/02/2020] [Accepted: 10/07/2020] [Indexed: 12/31/2022] Open
Abstract
The Enterobacteriales order consists of seven families including Enterobacteriaceae, Erwiniaceae, Pectobacteriaceae, Yersiniaceae, Hafniaceae, Morganellaceae, and Budviciaceae and 60 genera encompassing over 250 species. The Enterobacteriaceae is currently considered as the most taxonomically diverse among all seven recognized families. The emergence of carbapenem resistance (CR) in Enterobacteriaceae caused by hydrolytic enzymes called carbapenemases has become a major concern worldwide. Carbapenem-resistant Enterobacteriaceae (CRE) isolates have been reported not only in nosocomial and community-acquired pathogens but also in food-producing animals, companion animals, and the environment. The reported carbapenemases in Enterobacteriaceae from different sources belong to the Ambler class A (blaKPC), class B (blaIMP, blaVIM, blaNDM), and class D (blaOXA-48) β-lactamases. The carbapenem encoding genes are often located on plasmids or associated with various mobile genetic elements (MGEs) like transposons and integrons, which contribute significantly to their spread. These genes are most of the time associated with other antimicrobial resistance genes such as other β-lactamases, as well as aminoglycosides and fluoroquinolones resistance genes leading to multidrug resistance phenotypes. Control strategies to prevent infections due to CRE and their dissemination in human, animal and food have become necessary. Several factors involved in the emergence of CRE have been described. This review mainly focuses on the molecular epidemiology of carbapenemases in members of Enterobacteriaceae family from humans, animals, food and the environment.
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Affiliation(s)
- Gurleen Taggar
- Guelph Research and Development Center, Agriculture and Agri-Food Canada (AAFC), 93, Stone Road West, Guelph, ON N1G 5C6, Canada; (G.T.); (M.A.R.)
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Muhammad Attiq Rheman
- Guelph Research and Development Center, Agriculture and Agri-Food Canada (AAFC), 93, Stone Road West, Guelph, ON N1G 5C6, Canada; (G.T.); (M.A.R.)
| | - Patrick Boerlin
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada;
| | - Moussa Sory Diarra
- Guelph Research and Development Center, Agriculture and Agri-Food Canada (AAFC), 93, Stone Road West, Guelph, ON N1G 5C6, Canada; (G.T.); (M.A.R.)
- Correspondence:
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Pauly N, Hammerl JA, Grobbel M, Tenhagen BA, Käsbohrer A, Bisenius S, Fuchs J, Horlacher S, Lingstädt H, Mauermann U, Mitro S, Müller M, Rohrmann S, Schiffmann AP, Stührenberg B, Zimmermann P, Schwarz S, Meemken D, Irrgang A. ChromID ® CARBA Agar Fails to Detect Carbapenem-Resistant Enterobacteriaceae With Slightly Reduced Susceptibility to Carbapenems. Front Microbiol 2020; 11:1678. [PMID: 32849351 PMCID: PMC7432429 DOI: 10.3389/fmicb.2020.01678] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 06/26/2020] [Indexed: 02/02/2023] Open
Abstract
After first detections of carbapenemase-producing Enterobacteriaceae (CPE) in animals, the European Union Reference Laboratory for Antimicrobial Resistance has provided a protocol for the isolation of carbapenemase-producing Escherichia (E.) coli from cecum content and meat. Up to now, only few isolates were recovered using this procedure. In our experience, the choice of the selective agar is important for the efficacy of the method. Currently, the use of the prevailing method fails to detect CPE that exhibit a low resistance against carbapenems. Thus, this study aims to evaluate the suitability of selective media with antibiotic supplements and commercial ChromID® CARBA agar for a reliable CPE detection. For comparative investigations, detection of freeze-dried carbapenemase-resistant bacteria was studied on different batches of the ChromID® CARBA agar as well as on MacConkey agar supplemented with 1 mg/L cefotaxime and 0.125 mg/L meropenem (McC+CTX+MEM). The suitability of the different media was assessed within a time of 25 weeks, starting at least six weeks before expiration of the media. Carbapenem-resistant isolates exhibiting a serine-based hydrolytic resistance mechanism (e.g., bla KPC genes) were consistently detected over 25 weeks on the different media. In contrast, carbapenemase producers with only slightly reduced susceptibility and exhibiting a zinc-catalyzed activity (e.g., bla VIM, bla NDM, and bla IMP) could only be cultivated on long-time expired ChromID® CARBA, but within the whole test period on McC+CTX+MEM. Thus, ChromID® CARBA agar appears to be not suitable for the detection of CPE with slightly increased minimum inhibitory concentrations (MIC) against carbapenems, which have been detected in German livestock and thus, are of main interest in the national monitoring programs. Our data are in concordance with the results of eleven state laboratories that had participated in this study with their ChromID® CARBA batches routinely used for the German CPE monitoring. Based on the determined CPE detection rate, we recommend the use of McC+CTX+MEM for monitoring purposes. This study indicates that the use of ChromID® CARBA agar might lead to an underestimation of the current CPE occurrence in food and livestock samples.
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Affiliation(s)
- Natalie Pauly
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Jens A Hammerl
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Mirjam Grobbel
- German Federal Institute for Risk Assessment, Berlin, Germany
| | | | - Annemarie Käsbohrer
- German Federal Institute for Risk Assessment, Berlin, Germany.,Unit for Veterinary Public Health and Epidemiology, University of Veterinary Medicine, Vienna, Austria
| | - Sandra Bisenius
- Institute for Fish and Fishery Products (LAVES), Cuxhaven, Germany
| | - Jannika Fuchs
- Chemical and Veterinary Investigation Office, Karlsruhe, Germany
| | | | - Holger Lingstädt
- State Office for Consumer Protection Saxony-Anhalt, Stendal, Germany
| | | | - Silke Mitro
- State Investigation Institute for Health and Veterinary Services, Chemnitz, Germany
| | - Margit Müller
- Chemical and Veterinary Investigation Office Rhein-Ruhr-Wupper, Krefeld, Germany
| | - Stefan Rohrmann
- Chemical and Veterinary Investigation Office, Arnsberg, Germany
| | | | | | - Pia Zimmermann
- Bavarian Health and Food Safety Authority, Oberschleißheim, Germany
| | - Stefan Schwarz
- Institute of Microbiology and Epizootics, Freie Universität Berlin, Berlin, Germany
| | - Diana Meemken
- Institute of Food Safety and Food Hygiene, Freie Universität Berlin, Berlin, Germany
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Gao Y, Wen J, Wang S, Xu X, Zhan Z, Chen Z, Bai J, Qu X, Zhang H, Zhang J, Liao M. Plasmid-Encoded blaNDM-5 Gene That Confers High-Level Carbapenem Resistance in Salmonella Typhimurium of Pork Origin. Infect Drug Resist 2020; 13:1485-1490. [PMID: 32547117 PMCID: PMC7250698 DOI: 10.2147/idr.s249357] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 04/28/2020] [Indexed: 01/18/2023] Open
Abstract
PURPOSE Carbapenem resistance is rarely reported in Salmonella Typhimurium, especially from a food origin. Here, we report a plasmid-mediated mobile carbapenem-resistant blaNDM-5 gene in Salmonella Typhimurium isolated from pork in Shanghai, China in 2016. PATIENTS AND METHODS In July 2016, the S. Typhimurium SH160 strain was recovered from minced pork meat purchased from a supermarket in Yangpu District, Shanghai, China. Antimicrobial susceptibility testing, multi-locus sequence typing, conjugation, S1-PFGE, southern hybridization, whole-genome sequencing and data analysis were performed. RESULTS This isolate was found to be a ST34 strain and resistant to carbapenems, cephalosporins, and most other commonly used antibiotics. The blaNDM-5 gene was harbored by a 46161-bp IncX3 plasmid which was found to be transferable. The IncX3 plasmid contains a composite cassette, consisting of ISSwil-IS3000-ΔISAba125-IS5-blaNDM-5-bleMBL-trpF-dsbC-IS26-ctuA1-ΔumuD. In addition, this strain was found to harbor an additional 161706-bp IncHI2 plasmid which carries nine resistant genes, such as aadA1, aadA3, aph(3')-la, sul1, sul2, sul3, floR, cmlA and dfrA12. CONCLUSION We reported the S. Typhimurium with transferable IncX3 plasmid harboring blaNDM-5 gene from minced pork. We characterized the complete genetic features of the plasmid, which demonstrated the potential for spreading in different bacterial pathogens. Therefore, extensive surveillance and monitoring for carbapenem-resistant bacterium in the food chain and public health are urgently required.
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Affiliation(s)
- Yuan Gao
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Animal Vaccine Development, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, People’s Republic of China
| | - Junping Wen
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Animal Vaccine Development, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, People’s Republic of China
| | - Shaojun Wang
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Animal Vaccine Development, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, People’s Republic of China
| | - Xuebin Xu
- Department of Microbiology, Shanghai Municipal Centre for Disease Control and Prevention, Shanghai, People’s Republic of China
| | - Zeqiang Zhan
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Animal Vaccine Development, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, People’s Republic of China
| | - Zhengquan Chen
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Animal Vaccine Development, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, People’s Republic of China
| | - Jie Bai
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Animal Vaccine Development, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, People’s Republic of China
| | - Xiaoyun Qu
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Animal Vaccine Development, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, People’s Republic of China
| | - Hongxia Zhang
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Animal Vaccine Development, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, People’s Republic of China
| | - Jianmin Zhang
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Animal Vaccine Development, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, People’s Republic of China
| | - Ming Liao
- National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, Guangdong Laboratory for Lingnan Modern Agriculture, Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Animal Vaccine Development, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, Guangdong, People’s Republic of China
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Lopez NV, Farsar CJ, Harmon DE, Ruiz C. Urban and agricultural soils in Southern California are a reservoir of carbapenem-resistant bacteria. Microbiologyopen 2020; 9:1247-1263. [PMID: 32246583 PMCID: PMC7294306 DOI: 10.1002/mbo3.1034] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 03/04/2020] [Accepted: 03/06/2020] [Indexed: 01/01/2023] Open
Abstract
Carbapenems are last‐resort β‐lactam antibiotics used in healthcare facilities to treat multidrug‐resistant infections. Thus, most studies on identifying and characterizing carbapenem‐resistant bacteria (CRB) have focused on clinical settings. Relatively, little is still known about the distribution and characteristics of CRBs in the environment, and the role of soil as a potential reservoir of CRB in the United States remains unknown. Here, we have surveyed 11 soil samples from 9 different urban or agricultural locations in the Los Angeles–Southern California area to determine the prevalence and characteristics of CRB in these soils. All samples tested contained CRB with a frequency of <10 to 1.3 × 104 cfu per gram of soil, with most agricultural soil samples having a much higher relative frequency of CRB than urban soil samples. Identification and characterization of 40 CRB from these soil samples revealed that most of them were members of the genera Cupriavidus, Pseudomonas, and Stenotrophomonas. Other less prevalent genera identified among our isolated CRB, especially from agricultural soils, included the genera Enterococcus, Bradyrhizobium, Achromobacter, and Planomicrobium. Interestingly, all of these carbapenem‐resistant isolates were also intermediate or resistant to at least 1 noncarbapenem antibiotic. Further characterization of our isolated CRB revealed that 11 Stenotrophomonas, 3 Pseudomonas, 1 Enterococcus, and 1 Bradyrhizobium isolates were carbapenemase producers. Our findings show for the first time that both urban and agricultural soils in Southern California are an underappreciated reservoir of bacteria resistant to carbapenems and other antibiotics, including carbapenemase‐producing CRB.
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Affiliation(s)
- Nicolas V. Lopez
- Department of BiologyCalifornia State University NorthridgeNorthridgeCAUSA
| | - Cameron J. Farsar
- Department of BiologyCalifornia State University NorthridgeNorthridgeCAUSA
| | - Dana E. Harmon
- Department of BiologyCalifornia State University NorthridgeNorthridgeCAUSA
| | - Cristian Ruiz
- Department of BiologyCalifornia State University NorthridgeNorthridgeCAUSA
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Garcia-Graells C, Berbers B, Verhaegen B, Vanneste K, Marchal K, Roosens NHC, Botteldoorn N, De Keersmaecker SCJ. First detection of a plasmid located carbapenem resistant bla VIM-1 gene in E. coli isolated from meat products at retail in Belgium in 2015. Int J Food Microbiol 2020; 324:108624. [PMID: 32302878 DOI: 10.1016/j.ijfoodmicro.2020.108624] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 02/25/2020] [Accepted: 03/29/2020] [Indexed: 11/24/2022]
Abstract
Carbapenemase-producing Enterobacteriaceae (CPE) confer resistance to antibiotics that are of critical importance to human medicine. There have only been a few reported cases of CPEs in the European food chain. We report the first detection of a carbapenemase-producing Escherichia coli (ST 5869) in the Belgian food chain. Our aim was to characterize the origin of the carbapenem resistance in the E. coli isolate. The isolate was detected during the screening of 178 minced pork samples and was shown to contain the carbapenemase gene blaVIM-1 by PCR and Sanger sequencing. Whole genome short and long read sequencing (MiSeq and MinION) was performed to characterize the isolate. With a hybrid assembly we reconstructed a 190,205 bp IncA/C2 plasmid containing blaVIM-1 (S15FP06257_p), in addition to other critically important resistance genes. This plasmid showed only low similarity to plasmids containing blaVIM-1 previously reported in Germany. Moreover, no sequences existed in the NCBI nucleotide database that completely covered S15FP06257_p. Analysis of the blaVIM-1 gene cassette demonstrated that it likely originated from an integron of a Klebsiella plasmid reported previously in a clinical isolate in Europe, suggesting that the meat could have been contaminated by human handling in one of the steps of the food chain. This study shows the relevance of fully reconstructing plasmids to characterize their genetic content and to allow source attribution. This is especially important in view of the potential risk of antimicrobial resistance gene transmission through mobile elements as was reported here for the of public health concern blaVIM-1.
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Affiliation(s)
| | - Bas Berbers
- Transversal activities in Applied Genomics, Sciensano, Brussels, Belgium; Department of Information Technology, IDLab, Ghent University, IMEC, Ghent, Belgium
| | | | - Kevin Vanneste
- Transversal activities in Applied Genomics, Sciensano, Brussels, Belgium
| | - Kathleen Marchal
- Department of Information Technology, IDLab, Ghent University, IMEC, Ghent, Belgium; Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
| | - Nancy H C Roosens
- Transversal activities in Applied Genomics, Sciensano, Brussels, Belgium
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29
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Gou JJ, Liu N, Guo LH, Xu H, Lv T, Yu X, Chen YB, Guo XB, Rao YT, Zheng BW. Carbapenem-Resistant Enterobacter hormaechei ST1103 with IMP-26 Carbapenemase and ESBL Gene bla SHV-178. Infect Drug Resist 2020; 13:597-605. [PMID: 32110070 PMCID: PMC7039083 DOI: 10.2147/idr.s232514] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 01/30/2020] [Indexed: 12/14/2022] Open
Abstract
Purpose To investigate the occurrence and genetic characteristics of the blaIMP-26-positive plasmid from a multidrug-resistant clinical isolate, Enterobacter hormaechei L51. Methods Species identification was determined by MALDI-TOF MS and Sanger sequencing. Antimicrobial susceptibility testing was performed by the agar dilution and broth microdilution. Whole-genome sequencing was conducted using Illumina HiSeq 4000-PE150 and PacBio Sequel platforms, and the genome was annotated by the RAST annotation server. The ANI analysis of genomes was performed using OAT. Phylogenetic reconstruction and analyses were performed using the Harvest suite based on the core-genome SNPs of 61 publicly available E. hormaechei genomes. Results The E. hormaechei L51 genome consists of a 5,018,729 bp circular chromosome and a 343,918 bp conjugative IncHI2/2A plasmid pEHZJ1 encoding blaIMP-26 which surrounding genetic context was intI1-blaIMP-26-ltrA-qacE∆1-sul1. A new sequence type (ST1103) was assigned for the isolate L51 which was resistant to cephalosporins, carbapenems, but sensitive to piperacillin-tazobactam, amikacin, tigecycline, trimethoprim-sulfamethoxazole and colistin. Phylogenetic analysis demonstrated that E. hormaechei L51 belonged to the same subspecies as the reference strain E. hormaechei SCEH020042, however 18,248 divergent SNP were identified. Resistance genes in pEHZJ1 including aac(3)-IIc, aac(6ʹ)-IIc, blaSHV-178, blaDHA-1, blaTEM-1, blaIMP-26, ereA2, catII, fosA5, qnrB4, tet(D), sul1 and dfrA19. Conclusion In our study, we identified a conjugative IncHI2/2A plasmid carrying blaIMP-26 and blaSHV-178 in E. hormaechei ST1103, a novel multidrug-resistant strain isolated from China, and describe the underlying resistance mechanisms of the strain and detailed genetic context of mega plasmid pEHZJ1.
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Affiliation(s)
- Jian-Jun Gou
- Department of Laboratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Na Liu
- Department of Laboratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, People's Republic of China
| | - Li-Hua Guo
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, People's Republic of China
| | - Hao Xu
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, People's Republic of China
| | - Tao Lv
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, People's Republic of China
| | - Xiao Yu
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, People's Republic of China
| | - Yun-Bo Chen
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, People's Republic of China
| | - Xiao-Bing Guo
- Department of Laboratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Yu-Ting Rao
- Department of Laboratory Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, People's Republic of China
| | - Bei-Wen Zheng
- Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, People's Republic of China
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30
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Tamta S, Kumar ORV, Singh SV, Pruthvishree BS, Karthikeyan R, Rupner R, Sinha DK, Singh BR. Antimicrobial resistance pattern of extended-spectrum β-lactamase-producing Escherichia coli isolated from fecal samples of piglets and pig farm workers of selected organized farms of India. Vet World 2020; 13:360-363. [PMID: 32255980 PMCID: PMC7096294 DOI: 10.14202/vetworld.2020.360-363] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 01/13/2020] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND AND AIM Extended-spectrum β-lactamase (ESBL)-producing Escherichia coli are gradually increasing worldwide and carry a serious public threat. This study aimed to determine the antimicrobial resistance pattern of ESBL-producing E. coli isolated from fecal samples of piglets and pig farm workers. MATERIALS AND METHODS Fecal samples from <3-month-old piglets (n=156) and farm workers (n=21) were processed for the isolation of ESBL-producing E. coli in MacConkey agar added with 1 µg/mL of cefotaxime. E. coli (piglets=124; farm workers=21) were tested for ESBL production by combined disk method and ESBL E-strip test. Each of the ESBL-positive isolate was subjected to antibiotic susceptibility testing. The ESBL-producing E. coli were further processed for genotypic confirmation to CTX-M gene. RESULTS A total of 55 (44.4%, 55/124) and nine (42.9%, 9/21) ESBL-producing E. coli were isolated from piglets and farm workers, respectively. Antibiotic susceptibility testing of the ESBL-positive E. coli isolates from piglets and farm workers showed 100% resistance to ceftazidime, cefotaxime, cefotaxime/clavulanic acid, ceftazidime/clavulanic acid, and cefpodoxime. A proportion of 100% (55/55) and 88.9% (8/9) ESBL-positive E. coli were multidrug resistance (MDR) in piglets and farm workers, respectively. On genotypic screening of the ESBL E. coli isolated from piglets (n=55), 15 were positive for the bla CTX-M gene and of the nine ESBL E. coli from farm workers, none were positive for the bla CTX-M gene. CONCLUSION Although there was no significant difference in isolation of ESBL-producing E. coli between piglets and farm workers, the ESBL-positive E. coli from piglets showed relatively higher MDR than farm workers.
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Affiliation(s)
- Shikha Tamta
- Division of Epidemiology, ICAR-Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India
| | | | - Shiv Varan Singh
- Division of Bacteriology and Mycology, ICAR-Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India
| | | | - Ravichandran Karthikeyan
- Division of Epidemiology, ICAR-Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India
| | - Ramkumar Rupner
- Division of Epidemiology, ICAR-Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India
| | - Dharmendra Kumar Sinha
- Division of Epidemiology, ICAR-Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India
| | - Bhoj Raj Singh
- Division of Epidemiology, ICAR-Indian Veterinary Research Institute, Bareilly, Uttar Pradesh, India
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31
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Irrgang A, Tenhagen BA, Pauly N, Schmoger S, Kaesbohrer A, Hammerl JA. Characterization of VIM-1-Producing E. coli Isolated From a German Fattening Pig Farm by an Improved Isolation Procedure. Front Microbiol 2019; 10:2256. [PMID: 31632372 PMCID: PMC6779854 DOI: 10.3389/fmicb.2019.02256] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 09/17/2019] [Indexed: 01/08/2023] Open
Abstract
A few reports indicate that livestock might represent a new reservoir for carbapenemase-producing Enterobacteriaceae (CPE). In 2015, VIM-1-producing Escherichia coli were detected at slaughter in colon contents of animals from a German fattening pig farm within the national monitoring on ESBL-producing E. coli. In this study, pooled faces samples from pigs, as well as samples from the barn surrounding environment of this fattening farm were taken, to evaluate the dissemination of CPEs. Several modifications of the culture-dependent detection procedure were investigated for their potential to improve the sensitivity of the CPE isolation method. The current reference procedure was adapted by adding a real-time PCR pre-screening and additional enrichment steps. It was possible to isolate 32 VIM-1-producing E. coli from four fecal samples of three different barns using two serial enrichment steps in combination with real-time PCR and selective agar plates. By genetic typing, we confirmed the presence of two E. coli clonal lineages circulating on this particular farm: one was harboring the blaVIM–1 on an IncHI2 plasmid while the second lineage carried the gene on the chromosome. Despite its different locations, the blaVIM–1 gene was harbored on a class 1 integron in both clonal lineages. Whole-genome sequencing revealed that the VIM-1-carrying plasmids exhibited only slight variability in its compositions and sizes. We assume that the prevalence of CPEs in animal production in Germany and other European countries might be underestimated and there is a concern of further spread of VIM-1-producing bacteria in German livestock and food.
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Affiliation(s)
- A Irrgang
- Unit of Epidemiology, Zoonoses and Antimicrobial Resistance, Department of Biological Safety, German Federal Institute for Risk Assessment (Bundesinstitut für Risikobewertung, BfR), Berlin, Germany
| | - B-A Tenhagen
- Unit of Epidemiology, Zoonoses and Antimicrobial Resistance, Department of Biological Safety, German Federal Institute for Risk Assessment (Bundesinstitut für Risikobewertung, BfR), Berlin, Germany
| | - N Pauly
- Unit of Epidemiology, Zoonoses and Antimicrobial Resistance, Department of Biological Safety, German Federal Institute for Risk Assessment (Bundesinstitut für Risikobewertung, BfR), Berlin, Germany
| | - S Schmoger
- Unit of Epidemiology, Zoonoses and Antimicrobial Resistance, Department of Biological Safety, German Federal Institute for Risk Assessment (Bundesinstitut für Risikobewertung, BfR), Berlin, Germany
| | - Annemarie Kaesbohrer
- Unit of Epidemiology, Zoonoses and Antimicrobial Resistance, Department of Biological Safety, German Federal Institute for Risk Assessment (Bundesinstitut für Risikobewertung, BfR), Berlin, Germany.,Institute for Veterinary Public Health, University of Veterinary Medicine Vienna, Vienna, Austria
| | - J A Hammerl
- Unit of Epidemiology, Zoonoses and Antimicrobial Resistance, Department of Biological Safety, German Federal Institute for Risk Assessment (Bundesinstitut für Risikobewertung, BfR), Berlin, Germany
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Isolation and characterisation of carbapenem-resistant Xanthomonas citri pv. mangiferaeindicae-like strain gir from the faecal material of giraffes. Antonie van Leeuwenhoek 2019; 113:137-145. [PMID: 31485840 DOI: 10.1007/s10482-019-01323-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 08/20/2019] [Indexed: 10/26/2022]
Abstract
The purpose of this study was to determine if giraffes (Giraffa camelopardalis) living in captivity at the Jacksonville Zoo and Gardens, Jacksonville, FL were colonised with carbapenem-resistant bacteria and, if found, to identify underlying genetic mechanisms contributing to a carbapenem-resistant phenotype. Faecal samples from seven giraffes were examined for carbapenem-resistant bacteria. Only one isolate (a Xanthomondaceae) was found to be carbapenem-resistant by antibiotic susceptibility testing. This isolate was selected for additional characterization, including whole genome sequencing (WGS). Based on average nucleotide identity, the bacterium was identified as Xanthomonas citri pv. mangiferaeindicae-like strain gir. Phenotypic carbapenemase tests and PCR for the most common carbapenemase genes produced negative results, suggesting that carbapenem resistance was mediated by another mechanism. Resistance gene profile analysis of WGS results confirmed these results. Among identified resistance genes, a chromosomal class A beta-lactamase with 71% identity to the penP beta-lactamase gene from Xanthomonas citri ssp. citri was identified, which could contribute to a carbapenem-resistant phenotype.
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Roschanski N, Hadziabdic S, Borowiak M, Malorny B, Tenhagen BA, Projahn M, Kaesbohrer A, Guenther S, Szabo I, Roesler U, Fischer J. Detection of VIM-1-Producing Enterobacter cloacae and Salmonella enterica Serovars Infantis and Goldcoast at a Breeding Pig Farm in Germany in 2017 and Their Molecular Relationship to Former VIM-1-Producing S. Infantis Isolates in German Livestock Production. mSphere 2019; 4:e00089-19. [PMID: 31189558 PMCID: PMC6563352 DOI: 10.1128/msphere.00089-19] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2019] [Accepted: 05/23/2019] [Indexed: 01/30/2023] Open
Abstract
In 2011, VIM-1-producing Salmonella enterica serovar Infantis and Escherichia coli were isolated for the first time in four German livestock farms. In 2015/2016, highly related isolates were identified in German pig production. This raised the issue of potential reservoirs for these isolates, the relation of their mobile genetic elements, and potential links between the different affected farms/facilities. In a piglet-producing farm suspicious for being linked to some blaVIM-1 findings in Germany, fecal and environmental samples were examined for the presence of carbapenemase-producing Enterobacteriaceae and Salmonella spp. Newly discovered isolates were subjected to Illumina whole-genome sequencing (WGS) and S1 pulsed-field gel electrophoresis (PFGE) hybridization experiments. WGS data of these isolates were compared with those for the previously isolated VIM-1-producing Salmonella Infantis isolates from pigs and poultry. Among 103 samples, one Salmonella Goldcoast isolate, one Salmonella Infantis isolate, and one Enterobacter cloacae isolate carrying the blaVIM-1 gene were detected. Comparative WGS analysis revealed that the blaVIM-1 gene was part of a particular Tn21-like transposable element in all isolates. It was located on IncHI2 (ST1) plasmids of ∼290 to 300 kb with a backbone highly similar (98 to 100%) to that of reference pSE15-SA01028. SNP analysis revealed a close relationship of all VIM-1-positive S Infantis isolates described since 2011. The findings of this study demonstrate that the occurrence of the blaVIM-1 gene in German livestock is restricted neither to a certain bacterial species nor to a certain Salmonella serovar but is linked to a particular Tn21-like transposable element located on transferable pSE15-SA01028-like IncHI2 (ST1) plasmids, being present in all of the investigated isolates from 2011 to 2017.IMPORTANCE Carbapenems are considered one of few remaining treatment options against multidrug-resistant Gram-negative pathogens in human clinical settings. The occurrence of carbapenemase-producing Enterobacteriaceae in livestock and food is a major public health concern. Particularly the occurrence of VIM-1-producing Salmonella Infantis in livestock farms is worrisome, as this zoonotic pathogen is one of the main causes for human salmonellosis in Europe. Investigations on the epidemiology of those carbapenemase-producing isolates and associated mobile genetic elements through an in-depth molecular characterization are indispensable to understand the transmission of carbapenemase-producing Enterobacteriaceae along the food chain and between different populations to develop strategies to prevent their further spread.
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Affiliation(s)
- Nicole Roschanski
- Institute for Animal Hygiene and Environmental Health, Freie Universitaet Berlin, Berlin, Germany
| | - Sead Hadziabdic
- Department of Biological Safety, German Federal Institute for Risk Assessment, BfR, Berlin, Germany
| | - Maria Borowiak
- Department of Biological Safety, German Federal Institute for Risk Assessment, BfR, Berlin, Germany
| | - Burkhard Malorny
- Department of Biological Safety, German Federal Institute for Risk Assessment, BfR, Berlin, Germany
| | - Bernd-Alois Tenhagen
- Department of Biological Safety, German Federal Institute for Risk Assessment, BfR, Berlin, Germany
| | - Michaela Projahn
- Institute for Animal Hygiene and Environmental Health, Freie Universitaet Berlin, Berlin, Germany
| | - Annemarie Kaesbohrer
- Department of Biological Safety, German Federal Institute for Risk Assessment, BfR, Berlin, Germany
- Institute of Veterinary Public Health, University of Veterinary Medicine, Vienna, Austria
| | - Sebastian Guenther
- Institute for Animal Hygiene and Environmental Health, Freie Universitaet Berlin, Berlin, Germany
| | - Istvan Szabo
- Department of Biological Safety, German Federal Institute for Risk Assessment, BfR, Berlin, Germany
| | - Uwe Roesler
- Institute for Animal Hygiene and Environmental Health, Freie Universitaet Berlin, Berlin, Germany
| | - Jennie Fischer
- Department of Biological Safety, German Federal Institute for Risk Assessment, BfR, Berlin, Germany
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Bonardi S, Pitino R. Carbapenemase-producing bacteria in food-producing animals, wildlife and environment: A challenge for human health. Ital J Food Saf 2019; 8:7956. [PMID: 31316921 PMCID: PMC6603432 DOI: 10.4081/ijfs.2019.7956] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 05/09/2019] [Indexed: 01/11/2023] Open
Abstract
Antimicrobial resistance is an increasing global health problem and one of the major concerns for economic impacts worldwide. Recently, resistance against carbapenems (doripenem, ertapenem, imipenem, meropenem), which are critically important antimicrobials for human cares, poses a great risk all over the world. Carbapenemases are β-lactamases belonging to different Ambler classes (A, B, D) and encoded by both chromosomal and plasmidic genes. They hydrolyze a broad variety of β-lactams, including carbapenems, cephalosporins, penicillins and aztreonam. Despite several studies in human patients and hospital settings have been performed in European countries, the role of livestock animals, wild animals and the terrestrial and aquatic environment in the maintenance and transmission of carbapenemase- producing bacteria has been poorly investigated. The present review focuses on the carbapenemase-producing bacteria detected in pigs, cattle, poultry, fish, mollusks, wild birds and wild mammals in Europe as well as in non-European countries, investigating the genetic mechanisms for their transmission among food-producing animals and wildlife. To shed light on the important role of the environment in the maintenance and genetic exchange of resistance determinants between environmental and pathogenic bacteria, studies on aquatic sources (rivers, lakes, as well as wastewater treatment plants) are described.
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Affiliation(s)
- Silvia Bonardi
- Department of Veterinary Science, University of Parma, Italy
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35
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Davies R, Wales A. Antimicrobial Resistance on Farms: A Review Including Biosecurity and the Potential Role of Disinfectants in Resistance Selection. Compr Rev Food Sci Food Saf 2019; 18:753-774. [PMID: 33336931 DOI: 10.1111/1541-4337.12438] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 02/04/2019] [Accepted: 02/05/2019] [Indexed: 12/11/2022]
Abstract
Resistance to therapeutic antimicrobial agents is recognized as a growing problem for both human and veterinary medicine, and the need to address the issue in both of these linked domains is a current priority in public policy. Efforts to limit antimicrobial resistance (AMR) on farms have so far focused on control of the supply and use of antimicrobial drugs, plus husbandry measures to reduce infectious disease. In the United Kingdom and some other countries, substantial progress has been made recently against targets on agricultural antimicrobial drug use. However, evidence suggests that resistant pathogenic and commensal bacteria can persist and spread within and between premises despite declining or zero antimicrobial drug use. Reasons for this are likely complex and varied but may include: bacterial adaptations to ameliorate fitness costs associated with maintenance and replication of resistance genes and associated proteins, horizontal transmission of genetic resistance determinants between bacteria, physical transfer of bacteria via movement (of animals, workers, and equipment), ineffective cleaning and disinfection, and co-selection of resistance to certain drugs by use of other antimicrobials, heavy metals, or biocides. Areas of particular concern for public health include extended-spectrum cephalosporinases and fluoroquinolone resistance among Enterobacteriaceae, livestock-associated methicillin-resistant Staphylococcus aureus, and the emergence of transmissible colistin resistance. Aspects of biosecurity have repeatedly been identified as risk factors for the presence of AMR on farm premises, but there are large gaps in our understanding of the most important risk factors and the most effective interventions. The present review aims to summarize the present state of knowledge in this area, from a European perspective.
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Affiliation(s)
- Robert Davies
- Bacteriology and Food Safety Dept., Animal and Plant Health Agency (APHA - Weybridge), Woodham Lane, New Haw, Addlestone, KT15 3NB, UK
| | - Andrew Wales
- Pathology and Infectious Diseases Dept., School of Veterinary Medicine, Faculty of Health and Medical Sciences, Vet School Main Building, Daphne Jackson Rd., Univ. of Surrey, Guildford, GU2 7AL, UK
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Monte DF, Lincopan N, Fedorka-Cray PJ, Landgraf M. Current insights on high priority antibiotic-resistant Salmonella enterica in food and foodstuffs: a review. Curr Opin Food Sci 2019. [DOI: 10.1016/j.cofs.2019.03.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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37
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Koutsoumanis K, Allende A, Alvarez-Ordóñez A, Bolton D, Bover-Cid S, Chemaly M, De Cesare A, Herman L, Hilbert F, Lindqvist R, Nauta M, Peixe L, Ru G, Simmons M, Skandamis P, Suffredini E, Dewulf J, Hald T, Michel V, Niskanen T, Ricci A, Snary E, Boelaert F, Messens W, Davies R. Salmonella control in poultry flocks and its public health impact. EFSA J 2019; 17:e05596. [PMID: 32626222 PMCID: PMC7009056 DOI: 10.2903/j.efsa.2019.5596] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
An increase in confirmed human salmonellosis cases in the EU after 2014 triggered investigation of contributory factors and control options in poultry production. Reconsideration of the five current target serovars for breeding hens showed that there is justification for retaining Salmonella Enteritidis, Salmonella Typhimurium (including monophasic variants) and Salmonella Infantis, while Salmonella Virchow and Salmonella Hadar could be replaced by Salmonella Kentucky and either Salmonella Heidelberg, Salmonella Thompson or a variable serovar in national prevalence targets. However, a target that incorporates all serovars is expected to be more effective as the most relevant serovars in breeding flocks vary between Member State (MS) and over time. Achievement of a 1% target for the current target serovars in laying hen flocks is estimated to be reduced by 254,400 CrI95[98,540; 602,700] compared to the situation in 2016. This translates to a reduction of 53.4% CrI95[39.1; 65.7] considering the layer-associated human salmonellosis true cases and 6.2% considering the overall human salmonellosis true cases in the 23 MSs included in attribution modelling. A review of risk factors for Salmonella in laying hens revealed that overall evidence points to a lower occurrence in non-cage compared to cage systems. A conclusion on the effect of outdoor access or impact of the shift from conventional to enriched cages could not be reached. A similar review for broiler chickens concluded that the evidence that outdoor access affects the occurrence of Salmonella is inconclusive. There is conclusive evidence that an increased stocking density, larger farms and stress result in increased occurrence, persistence and spread of Salmonella in laying hen flocks. Based on scientific evidence, an impact of Salmonella control programmes, apart from general hygiene procedures, on the prevalence of Campylobacter in broiler flocks at the holding and on broiler meat at the end of the slaughter process is not expected.
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Campos J, Mourão J, Peixe L, Antunes P. Non-typhoidal Salmonella in the Pig Production Chain: A Comprehensive Analysis of Its Impact on Human Health. Pathogens 2019; 8:E19. [PMID: 30700039 PMCID: PMC6470815 DOI: 10.3390/pathogens8010019] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2018] [Revised: 01/21/2019] [Accepted: 01/24/2019] [Indexed: 11/17/2022] Open
Abstract
Salmonellosis remains one of the most frequent foodborne zoonosis, constituting a worldwide major public health concern. The most frequent sources of human infections are food products of animal origin, being pork meat one of the most relevant. Currently, particular pig food production well-adapted and persistent Salmonella enterica serotypes (e.g., Salmonella Typhimurium, Salmonella 1,4,[5],12:i:-, Salmonella Derby and Salmonella Rissen) are frequently reported associated with human infections in diverse industrialized countries. The dissemination of those clinically-relevant Salmonella serotypes/clones has been related to the intensification of pig production chain and to an increase in the international trade of pigs and pork meat. Those changes that occurred over the years along the food chain may act as food chain drivers leading to new problems and challenges, compromising the successful control of Salmonella. Among those, the emergence of antibiotic resistance in non-typhoidal Salmonella associated with antimicrobials use in the pig production chain is of special concern for public health. The transmission of pig-related multidrug-resistant Salmonella serotypes, clones and/or genetic elements carrying clinically-relevant antibiotic resistance genes, frequently associated with metal tolerance genes, from pigs and pork meat to humans, has been reported and highlights the contribution of different drivers to the antibiotic resistance burden. Gathered data strengthen the need for global mandatory interventions and strategies for effective Salmonella control and surveillance across the pig production chain. The purpose of this review was to provide an overview of the role of pig and pork meat in human salmonellosis at a global scale, highlighting the main factors contributing to the persistence and dissemination of clinically-relevant pig-related Salmonella serotypes and clones.
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Affiliation(s)
- Joana Campos
- UCIBIO@REQUIMTE, Laboratório de Microbiologia, Faculdade de Farmácia, Universidade do Porto, Portugal; Rua de Jorge Viterbo Ferreira nº 228, 4050-313 Porto, Portugal.
| | - Joana Mourão
- UCIBIO@REQUIMTE, Laboratório de Microbiologia, Faculdade de Farmácia, Universidade do Porto, Portugal; Rua de Jorge Viterbo Ferreira nº 228, 4050-313 Porto, Portugal.
| | - Luísa Peixe
- UCIBIO@REQUIMTE, Laboratório de Microbiologia, Faculdade de Farmácia, Universidade do Porto, Portugal; Rua de Jorge Viterbo Ferreira nº 228, 4050-313 Porto, Portugal.
| | - Patrícia Antunes
- UCIBIO@REQUIMTE, Laboratório de Microbiologia, Faculdade de Farmácia, Universidade do Porto, Portugal; Rua de Jorge Viterbo Ferreira nº 228, 4050-313 Porto, Portugal.
- Faculdade de Ciências da Nutrição e Alimentação, Universidade do Porto, Portugal; Rua Dr. Roberto Frias, 4200 Porto, Portugal.
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Folgori L, Bielicki J. Future Challenges in Pediatric and Neonatal Sepsis: Emerging Pathogens and Antimicrobial Resistance. J Pediatr Intensive Care 2019; 8:17-24. [PMID: 31073504 DOI: 10.1055/s-0038-1677535] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Accepted: 12/12/2018] [Indexed: 12/24/2022] Open
Abstract
The incidence of severe infections caused by multidrug-resistant (MDR) pathogens is currently rising worldwide, and increasing numbers of neonates and children with serious bloodstream infections due to resistant bacteria are being reported. Severe sepsis and septic shock due to gram-negative bacteria represent a significant cause of morbidity and mortality, and contribute to high health care costs. Antimicrobial resistance among Enterobacteriaceae represents a major problem in both health care-associated and community-acquired infections, with extended-spectrum β-lactamases (ESBLs) and carbapenem-resistant Enterobacteriaceae (CRE) now presenting the main threat. These infections in adult populations have been associated with poor clinical outcomes, but very limited data have been published so far about risk factors and clinical outcome of ESBL-associated and CRE sepsis in the pediatric population. The treatment of these infections in neonates and children is particularly challenging due to the limited number of available effective antimicrobials. Evidence-based use of new and older antibiotics based on both strategic and regulatory clinical trials is paramount to improve management of these severe infections in neonates and children.
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Affiliation(s)
- Laura Folgori
- Paediatric Infectious Disease Research Group, Institute for Infection and Immunity, St George's, University of London, London, United Kingdom
| | - Julia Bielicki
- Paediatric Infectious Disease Research Group, Institute for Infection and Immunity, St George's, University of London, London, United Kingdom.,Department of Paediatric Pharmacology, University Children's Hospital Basel, Basel, Switzerland
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Borowiak M, Szabo I, Baumann B, Junker E, Hammerl JA, Kaesbohrer A, Malorny B, Fischer J. VIM-1-producing Salmonella Infantis isolated from swine and minced pork meat in Germany. J Antimicrob Chemother 2018; 72:2131-2133. [PMID: 28369508 DOI: 10.1093/jac/dkx101] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Maria Borowiak
- Department for Biological Safety, German Federal Institute for Risk Assessment, BfR, Max-Dohrn Strasse 8-10, D-10589 Berlin, Germany
| | - Istvan Szabo
- Department for Biological Safety, German Federal Institute for Risk Assessment, BfR, Max-Dohrn Strasse 8-10, D-10589 Berlin, Germany
| | - Beatrice Baumann
- Department for Biological Safety, German Federal Institute for Risk Assessment, BfR, Max-Dohrn Strasse 8-10, D-10589 Berlin, Germany
| | - Ernst Junker
- Department for Biological Safety, German Federal Institute for Risk Assessment, BfR, Max-Dohrn Strasse 8-10, D-10589 Berlin, Germany
| | - Jens A Hammerl
- Department for Biological Safety, German Federal Institute for Risk Assessment, BfR, Max-Dohrn Strasse 8-10, D-10589 Berlin, Germany
| | - Annemarie Kaesbohrer
- Department for Biological Safety, German Federal Institute for Risk Assessment, BfR, Max-Dohrn Strasse 8-10, D-10589 Berlin, Germany
| | - Burkhard Malorny
- Department for Biological Safety, German Federal Institute for Risk Assessment, BfR, Max-Dohrn Strasse 8-10, D-10589 Berlin, Germany
| | - Jennie Fischer
- Department for Biological Safety, German Federal Institute for Risk Assessment, BfR, Max-Dohrn Strasse 8-10, D-10589 Berlin, Germany
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Köck R, Cuny C. [Multidrug-resistant bacteria in animals and humans]. Med Klin Intensivmed Notfmed 2018; 115:189-197. [PMID: 30276566 DOI: 10.1007/s00063-018-0487-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Revised: 07/27/2018] [Accepted: 08/13/2018] [Indexed: 11/29/2022]
Abstract
BACKGROUND The increasing burden of antimicrobial-resistant bacteria causes morbidity and mortality, especially among patients affected by healthcare-associated infections. Limited treatment options challenge clinicians in both human and veterinary medicine. OBJECTIVES To summarize current evidence for the occurrence of antimicrobial-resistant bacteria and their zoonotic transmission between humans and animals with a focus on data from Germany. MATERIALS AND METHODS Review of scientific literature and publications from German national public health institutions. RESULTS AND CONCLUSIONS Methicillin-resistant Staphylococcus aureus (MRSA) and extended-spectrum β‑lactamase (ESBL) producing Enterobacteriaceae are frequently transmitted between animals and humans. The rates of asymptomatic carriage are increased among persons with livestock contact compared with the general population. The occurrence of carbapenemase-producing Enterobacteriaceae has been documented on German pig and chicken farms, but investigations into their prevalence and zoonotic importance are pending. Colistin is frequently used in veterinary medicine to treat diarrhoea and causes selection pressure for colistin-resistant Gram-negative bacteria harbouring mcr genes. Vancomycin-resistant enterococci (VRE), oxazolidinone-resistant Gram-positive bacteria and multiresistant staphylococci are further antimicrobial-resistant microorganisms, which might have a zoonotic potential. Besides human healthcare and livestock, the problem of antimicrobial-resistant bacteria also affects companion animals (e. g. dogs, cats and horses), wildlife and the environment, which underlines the need to prevent antimicrobial resistance in a One Health approach.
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Affiliation(s)
- R Köck
- Institut für Hygiene und Institut für Medizinische Mikrobiologie, Westfälische Wilhelms-Universität Münster, Münster, Deutschland. .,Institut für Hygiene, DRK Kliniken Berlin, Spandauer Damm 130, 14050, Berlin, Deutschland.
| | - C Cuny
- Bereich Wernigerode, Fachgebiet: nosokomiale Infektionserreger und Antibiotikaresistenzen, Robert Koch-Institut, Wernigerode, Deutschland
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Madec JY, Haenni M. Antimicrobial resistance plasmid reservoir in food and food-producing animals. Plasmid 2018; 99:72-81. [PMID: 30194944 DOI: 10.1016/j.plasmid.2018.09.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/24/2018] [Accepted: 09/03/2018] [Indexed: 02/07/2023]
Abstract
Antimicrobial resistance (AMR) plasmids have been recognized as important vectors for efficient spread of AMR phenotypes. The food reservoir includes both food-producing animals and food products, and a huge diversity of AMR plasmids have been reported in this sector. Based on molecular typing methods and/or whole genome sequencing approaches, certain AMR genes/plasmids combinations were found more frequently in food compared to other settings. However, the food source of a definite AMR plasmid is highly complex to confirm due to cross-sectorial transfers and international spread of AMR plasmids. For risk assessment purposes related to human health, AMR plasmids found in food and bearing genes conferring resistances to critically important antibiotics in human medicine - such as to extended-spectrum cephalosporins, carbapenems or colistin - have been under specific scrutiny these last years. Those plasmids are often multidrug resistant and their dissemination can be driven by the selective pressure exerted by any of the antibiotics concerned. Also, AMR plasmids carry numerous other genes conferring vital properties to the bacterial cell and are recurrently subjected to evolutionary steps such as hybrid plasmids, making the epidemiology of AMR plasmids in food a moving picture.
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Affiliation(s)
- Jean-Yves Madec
- Unité Antibiorésistance et Virulence Bactériennes, Anses Laboratoire de Lyon - Université de Lyon, Lyon, France
| | - Marisa Haenni
- Unité Antibiorésistance et Virulence Bactériennes, Anses Laboratoire de Lyon - Université de Lyon, Lyon, France.
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Zhou K, Yu W, Cao X, Shen P, Lu H, Luo Q, Rossen JWA, Xiao Y. Characterization of the population structure, drug resistance mechanisms and plasmids of the community-associated Enterobacter cloacae complex in China. J Antimicrob Chemother 2018; 73:66-76. [PMID: 29088362 DOI: 10.1093/jac/dkx361] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Accepted: 08/31/2017] [Indexed: 01/06/2023] Open
Abstract
Objectives To investigate the population structure, drug resistance mechanisms and plasmids of community-associated Enterobacter cloacae complex (CA-ECC) isolates in China. Methods Sixty-two CA-ECC isolates collected from 31 hospitals across China were typed by hsp60 typing and MLST. ESBL and AmpC-overexpression phenotype was determined by double-disc synergy test. Replicon typing and conjugation were performed for plasmid analysis. All ESBL-positive isolates and representative conjugants were subjected to detailed characterization by WGS. Results Enterobacter hormaechei and Enterobacter kobei were predominant in our collections. MLST distinguished 46 STs with a polyclonal structure. ST591 was the most prevalent clone detected in northern China. Twenty-two isolates (35.5%) were ESBL positive and half of them were E. kobei. ESBL positivity was related to ESBL production (15/22) and to AmpC overexpression (18/22). Core-genome phylogenetic analysis identified intra- and inter-regional dissemination of ESBL-producing E. kobei clones. ESBL producers were exclusively classified as E. hormaechei and E. kobei, and blaCTX-M-3 was the most prevalent ESBL genotype (10/15) detected in four different environments. In the ESBL-positive population, the ESBL producers encoded more drug resistance genes (8-24 genes) by carrying more plasmids (1-3 plasmids) than the non-ESBL-producing isolates, resulting in an inter-group difference in drug susceptibilities. IncHI-type plasmids were prevalent in the ESBL producers (12/15). All IncHI2-type plasmids (n = 11) carried ESBL genes and shared a similar backbone to p09-036813-1A_261 recovered from Salmonella enterica in Canada. Conclusions The species-specific distribution, species-dependent ESBL mechanism and endemic plasmids identified in our study highlight the necessity for tailored surveillance of CA-ECC in the future.
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Affiliation(s)
- Kai Zhou
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of Medicine School, Zhejiang University, Hangzhou, China
| | - Wei Yu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of Medicine School, Zhejiang University, Hangzhou, China
| | - Xiaoli Cao
- Department of Laboratory Medicine, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, Nanjing, Jiangsu, China
| | - Ping Shen
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of Medicine School, Zhejiang University, Hangzhou, China
| | - Haifeng Lu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of Medicine School, Zhejiang University, Hangzhou, China
| | - Qixia Luo
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of Medicine School, Zhejiang University, Hangzhou, China
| | - John W A Rossen
- Department of Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - Yonghong Xiao
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital of Medicine School, Zhejiang University, Hangzhou, China
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Vikram A, Schmidt JW. FunctionalblaKPC-2Sequences Are Present in U.S. Beef Cattle Feces Regardless of Antibiotic Use. Foodborne Pathog Dis 2018; 15:444-448. [DOI: 10.1089/fpd.2017.2406] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Amit Vikram
- Roman L. Hruska U.S. Meat Animal Research Center, Agricultural Research Service, United States Department of Agriculture, Clay Center, Nebraska
| | - John W. Schmidt
- Roman L. Hruska U.S. Meat Animal Research Center, Agricultural Research Service, United States Department of Agriculture, Clay Center, Nebraska
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Hadziabdic S, Borowiak M, Bloch A, Malorny B, Szabo I, Guerra B, Kaesbohrer A, Fischer J. Complete Genome Sequence of an Avian Native NDM-1-Producing Salmonella enterica subsp. enterica Serovar Corvallis Strain. GENOME ANNOUNCEMENTS 2018; 6:e00593-18. [PMID: 29954902 PMCID: PMC6025930 DOI: 10.1128/genomea.00593-18] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 05/30/2018] [Indexed: 11/20/2022]
Abstract
Carbapenems are an important class of β-lactams and one of the last options for treating severe human infections. We present here the complete genome sequence of avian native carbapenemase-producing Salmonella enterica subsp. enterica serovar Corvallis strain 12-01738, harboring a blaNDM-1-carrying IncA/C2 plasmid, isolated in 2012 from a wild bird (Milvus migrans) in Germany.
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Affiliation(s)
- Sead Hadziabdic
- Department for Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Maria Borowiak
- Department for Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Angelina Bloch
- Department for Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Burkhard Malorny
- Department for Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Istvan Szabo
- Department for Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | | | - Annemarie Kaesbohrer
- Department for Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Jennie Fischer
- Department for Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
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46
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Chabou S, Leulmi H, Davoust B, Aouadi A, Rolain JM. Prevalence of extended-spectrum β-lactamase- and carbapenemase-encoding genes in poultry faeces from Algeria and Marseille, France. J Glob Antimicrob Resist 2018; 13:28-32. [DOI: 10.1016/j.jgar.2017.11.002] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Revised: 09/28/2017] [Accepted: 11/04/2017] [Indexed: 01/15/2023] Open
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Complete Genome Sequence of a VIM-1-Producing Salmonella enterica subsp. enterica Serovar Infantis Isolate Derived from Minced Pork Meat. GENOME ANNOUNCEMENTS 2018; 6:6/17/e00327-18. [PMID: 29700156 PMCID: PMC5920186 DOI: 10.1128/genomea.00327-18] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Carbapenems are considered last-resort antibiotics used to treat human infections caused by multidrug-resistant bacteria. In 2011, VIM-1 carbapenemase-producing Salmonella enterica subsp. enterica serovar Infantis strains were isolated from livestock for the first time in Germany. Here, we announce the complete genome sequence of the first German blaVIM-1-harboring Salmonella Infantis isolate (15-SA01028) originating from food.
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Köck R, Daniels-Haardt I, Becker K, Mellmann A, Friedrich AW, Mevius D, Schwarz S, Jurke A. Carbapenem-resistant Enterobacteriaceae in wildlife, food-producing, and companion animals: a systematic review. Clin Microbiol Infect 2018; 24:1241-1250. [PMID: 29654871 DOI: 10.1016/j.cmi.2018.04.004] [Citation(s) in RCA: 191] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2017] [Revised: 03/30/2018] [Accepted: 04/04/2018] [Indexed: 01/05/2023]
Abstract
OBJECTIVES The spread of carbapenem-resistant Enterobacteriaceae (CRE) in healthcare settings challenges clinicians worldwide. However, little is known about dissemination of CRE in livestock, food, and companion animals and potential transmission to humans. METHODS We performed a systematic review of all studies published in the PubMed database between 1980 and 2017 and included those reporting the occurrence of CRE in samples from food-producing and companion animals, wildlife, and exposed humans. The primary outcome was the occurrence of CRE in samples from these animals; secondary outcomes included the prevalence of CRE, carbapenemase types, CRE genotypes, and antimicrobial susceptibilities. RESULTS We identified 68 articles describing CRE among pigs, poultry, cattle, seafood, dogs, cats, horses, pet birds, swallows, wild boars, wild stork, gulls, and black kites in Africa, America, Asia, Australia, and Europe. The following carbapenemases have been detected (predominantly affecting the genera Escherichia and Klebsiella): VIM, KPC, NDM, OXA, and IMP. Two studies found that 33-67% of exposed humans on poultry farms carried carbapenemase-producing CRE closely related to isolates from the farm environment. Twenty-seven studies selectively screened samples for CRE and found a prevalence of <1% among livestock and companion animals in Europe, 2-26% in Africa, and 1-15% in Asia. Wildlife (gulls) in Australia and Europe carried CRE in 16-19%. CONCLUSIONS The occurrence of CRE in livestock, seafood, wildlife, pets, and directly exposed humans poses a risk for public health. Prospective prevalence studies using molecular and cultural microbiological methods are needed to better define the scope and transmission of CRE.
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Affiliation(s)
- R Köck
- University Hospital Münster, University of Münster, Institute of Medical Microbiology, Münster, Germany; University Hospital Münster, University of Münster, Institute for Hygiene, Münster, Germany; Institute of Hospital Hygiene Oldenburg, Oldenburg, Germany.
| | - I Daniels-Haardt
- NRW Centre for Health, Section Infectious Disease Epidemiology, Bochum, Germany
| | - K Becker
- University Hospital Münster, University of Münster, Institute of Medical Microbiology, Münster, Germany
| | - A Mellmann
- University Hospital Münster, University of Münster, Institute for Hygiene, Münster, Germany
| | - A W Friedrich
- Department for Medical Microbiology, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands
| | - D Mevius
- Wageningen Bioveterinary Research, Department of Bacteriology and Epidemiology, Lelystad, The Netherlands; Faculty of Veterinary Medicine, Department of Infectious Diseases & Immunology, Utrecht University, Utrecht, The Netherlands
| | - S Schwarz
- Freie Universität Berlin, Institute of Microbiology and Epizootics, Berlin, Germany
| | - A Jurke
- NRW Centre for Health, Section Infectious Disease Epidemiology, Bochum, Germany
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Fernández J, Guerra B, Rodicio MR. Resistance to Carbapenems in Non-Typhoidal Salmonella enterica Serovars from Humans, Animals and Food. Vet Sci 2018; 5:E40. [PMID: 29642473 PMCID: PMC6024723 DOI: 10.3390/vetsci5020040] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/03/2018] [Accepted: 04/04/2018] [Indexed: 12/12/2022] Open
Abstract
Non-typhoidal serovars of Salmonella enterica (NTS) are a leading cause of food-borne disease in animals and humans worldwide. Like other zoonotic bacteria, NTS have the potential to act as reservoirs and vehicles for the transmission of antimicrobial drug resistance in different settings. Of particular concern is the resistance to critical "last resort" antimicrobials, such as carbapenems. In contrast to other Enterobacteriaceae (e.g., Klebsiella pneumoniae, Escherichia coli, and Enterobacter, which are major nosocomial pathogens affecting debilitated and immunocompromised patients), carbapenem resistance is still very rare in NTS. Nevertheless, it has already been detected in isolates recovered from humans, companion animals, livestock, wild animals, and food. Five carbapenemases with major clinical importance-namely KPC (Klebsiella pneumoniae carbapenemase) (class A), IMP (imipenemase), NDM (New Delhi metallo-β-lactamase), VIM (Verona integron-encoded metallo-β-lactamase) (class B), and OXA-48 (oxacillinase, class D)-have been reported in NTS. Carbapenem resistance due to the production of extended spectrum- or AmpC β-lactamases combined with porin loss has also been detected in NTS. Horizontal gene transfer of carbapenemase-encoding genes (which are frequently located on self-transferable plasmids), together with co- and cross-selective adaptations, could have been involved in the development of carbapenem resistance by NTS. Once acquired by a zoonotic bacterium, resistance can be transmitted from humans to animals and from animals to humans through the food chain. Continuous surveillance of resistance to these "last resort" antibiotics is required to establish possible links between reservoirs and to limit the bidirectional transfer of the encoding genes between S. enterica and other commensal or pathogenic bacteria.
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Affiliation(s)
- Javier Fernández
- Servicio de Microbiología, Hospital Universitario Central de Asturias, Oviedo 33011, Spain.
- Instituto de Investigación del Principado de Asturias (ISPA), Oviedo 33011, Spain.
| | | | - M Rosario Rodicio
- Instituto de Investigación del Principado de Asturias (ISPA), Oviedo 33011, Spain.
- Departamento de Biología Funcional, Área de Microbiología, Universidad de Oviedo, Oviedo 33006, Spain.
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Roschanski N, Guenther S, Vu TTT, Fischer J, Semmler T, Huehn S, Alter T, Roesler U. VIM-1 carbapenemase-producing Escherichia coli isolated from retail seafood, Germany 2016. ACTA ACUST UNITED AC 2018; 22. [PMID: 29090680 PMCID: PMC5718389 DOI: 10.2807/1560-7917.es.2017.22.43.17-00032] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Carbapenems belong to the group of last resort antibiotics in human medicine. Therefore, the emergence of growing numbers of carbapenemase-producing bacteria in food-producing animals or the environment is worrying and an important concern for the public health sector. In the present study, a set of 45 Enterobacteriaceae isolated from German retail seafood (clams and shrimps), sampled in 2016, were investigated by real-time PCR for the presence of carbapenemase-producing bacteria. One Escherichia coli (ST10), isolated from a Venus clam (Ruditapes philippinarum) harvested in the Mediterranean Sea (Italy), contained the carbapenemase gene blaVIM-1 as part of the variable region of a class I integron. Whole-genome sequencing indicated that the integron was embedded in a Tn3-like transposon that also contained the fluoroquinolone resistance gene qnrS1. Additional resistance genes such as the extended-spectrum beta-lactamase blaSHV-12 and the AmpC gene blaACC-1 were also present in this isolate. Except blaACC-1, all resistance genes were located on an IncY plasmid. These results confirm previous observations that carbapenemase-producing bacteria have reached the food chain and are of increasing concern for public health.
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Affiliation(s)
- Nicole Roschanski
- Freie Universitaet Berlin, Institute for Animal Hygiene and Environmental Health, Berlin, Germany
| | - Sebastian Guenther
- Freie Universitaet Berlin, Institute for Animal Hygiene and Environmental Health, Berlin, Germany
| | - Thi Thu Tra Vu
- Freie Universitaet Berlin, Institute of Food Safety and Food Hygiene, Berlin, Germany
| | - Jennie Fischer
- Federal Institute for Risk Assessment, Department Biological Safety, Berlin, Germany
| | | | - Stephan Huehn
- Beuth University of Applied Sciences, Life Science and Technology, Berlin, Germany.,Freie Universitaet Berlin, Institute of Food Safety and Food Hygiene, Berlin, Germany
| | - Thomas Alter
- Freie Universitaet Berlin, Institute of Food Safety and Food Hygiene, Berlin, Germany
| | - Uwe Roesler
- Freie Universitaet Berlin, Institute for Animal Hygiene and Environmental Health, Berlin, Germany
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