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Ruef M, Emonet S, Merglen A, Dewez JE, Obama BM, Catho G, Andrey DO, Kowalski M, Harbarth S, Combescure C, Wagner N, Galetto-Lacour A. Carriage of third-generation cephalosporin-resistant and carbapenem-resistant Enterobacterales among children in sub-Saharan Africa: a systematic review and meta-analysis. EClinicalMedicine 2024; 70:102508. [PMID: 38500839 PMCID: PMC10945212 DOI: 10.1016/j.eclinm.2024.102508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 02/09/2024] [Accepted: 02/16/2024] [Indexed: 03/20/2024] Open
Abstract
Background The increasing resistance of Enterobacterales to third-generation cephalosporins and carbapenems in sub-Saharan Africa (SSA) is a major public health concern. We did a systematic review and meta-analysis of studies to estimate the carriage prevalence of Enterobacterales not susceptible to third-generation cephalosporins or carbapenems among paediatric populations in SSA. Methods We performed a systematic literature review and meta-analysis of cross-sectional and cohort studies to estimate the prevalence of childhood (0-18 years old) carriage of extended-spectrum cephalosporin-resistant Enterobacterales (ESCR-E) or carbapenem-resistant Enterobacterales (CRE) in SSA. Medline, EMBASE and the Cochrane Library were searched for studies published from 1 January 2005 to 1 June 2022. Studies with <10 occurrences per bacteria, case reports, and meta-analyses were excluded. Quality and risk of bias were assessed using the Newcastle-Ottawa scale. Meta-analyses of prevalences and odds ratios were calculated using generalised linear mixed-effects models. Heterogeneity was assessed using I2 statistics. The protocol is available on PROSPERO (CRD42021260157). Findings Of 1111 studies examined, 40 met our inclusion criteria, reporting on the carriage prevalence of Enterobacterales in 9408 children. The pooled carriage prevalence of ESCR-E was 32.2% (95% CI: 25.2%-40.2%). Between-study heterogeneity was high (I2 = 96%). The main sources of bias pertained to participant selection and the heterogeneity of the microbiological specimens. Carriage proportions were higher among sick children than healthy ones (35.7% vs 16.9%). The pooled proportion of nosocomial acquisition was 53.8% (95% CI: 32.1%-74.1%) among the 922 children without ESCR-E carriage at hospital admission. The pooled odds ratio of ESCR-E carriage after antibiotic treatment within the previous 3 months was 3.20 (95% CI: 2.10-4.88). The proportion of pooled carbapenem-resistant for Enterobacterales was 3.6% (95% CI: 0.7%-16.4%). Interpretation This study suggests that ESCR-E carriage among children in SSA is frequent. Microbiology capacity and infection control must be scaled-up to reduce the spread of those multidrug-resistant microorganisms. Funding There was no funding source for this study.
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Affiliation(s)
- Micaela Ruef
- Children’s Hospital, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Stephane Emonet
- Division of Infectious Diseases, Hospital of Valais, Sion, and Faculty of Medicine, Geneva, Switzerland
| | - Arnaud Merglen
- Division of General Paediatrics, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Juan Emmanuel Dewez
- Medical Department, Médecins Sans Frontières, Operational Centre Geneva, Geneva, Switzerland
| | - Basilice Minka Obama
- Paediatric Infectious Diseases Unit, Children’s Hospital, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
- Regional Hospital Centre for Ebolowa, Cameroon
| | - Gaud Catho
- Infectious Diseases Division, Central Institute, Hospital of Valais, Switzerland
- Infection Control Division, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Diego O. Andrey
- Division of Infectious Diseases, Department of Medicine and Division of Laboratory Medicine, Department of Diagnostics, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Morgane Kowalski
- Children’s Hospital, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Stephan Harbarth
- Infection Control Programme and World Health Organization Collaborating Centre on Infection Prevention and Control and Antimicrobial Resistance, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Christophe Combescure
- Centre for Clinical Research, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Noémie Wagner
- Medical Department, Médecins Sans Frontières, Operational Centre Geneva, Geneva, Switzerland
- Paediatric Infectious Diseases Unit, Children’s Hospital, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
| | - Annick Galetto-Lacour
- Division of Paediatric Emergency Medicine, Children’s Hospital, Geneva University Hospitals and Faculty of Medicine, Geneva, Switzerland
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Chelaru EC, Muntean AA, Hogea MO, Muntean MM, Popa MI, Popa GL. The Importance of Carbapenemase-Producing Enterobacterales in African Countries: Evolution and Current Burden. Antibiotics (Basel) 2024; 13:295. [PMID: 38666971 PMCID: PMC11047529 DOI: 10.3390/antibiotics13040295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/29/2024] Open
Abstract
Antimicrobial resistance (AMR) is a worldwide healthcare problem. Multidrug-resistant organisms (MDROs) can spread quickly owing to their resistance mechanisms. Although colonized individuals are crucial for MDRO dissemination, colonizing microbes can lead to symptomatic infections in carriers. Carbapenemase-producing Enterobacterales (CPE) are among the most important MDROs involved in colonizations and infections with severe outcomes. This review aimed to track down the first reports of CPE in Africa, describe their dissemination throughout African countries and summarize the current status of CRE and CPE data, highlighting current knowledge and limitations of reported data. Two database queries were undertaken using Medical Subject Headings (MeSH), employing relevant keywords to identify articles that had as their topics beta-lactamases, carbapenemases and carbapenem resistance pertaining to Africa or African regions and countries. The first information on CPE could be traced back to the mid-2000s, but data for many African countries were established after 2015-2018. Information is presented chronologically for each country. Although no clear conclusions could be drawn for some countries, it was observed that CPE infections and colonizations are present in most African countries and that carbapenem-resistance levels are rising. The most common CPE involved are Klebsiella pneumoniae and Escherichia coli, and the most prevalent carbapenemases are NDM-type and OXA-48-type enzymes. Prophylactic measures, such as screening, are required to combat this phenomenon.
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Affiliation(s)
- Edgar-Costin Chelaru
- Department of Microbiology II, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania; (E.-C.C.); (A.-A.M.); (M.-O.H.); (M.-M.M.)
| | - Andrei-Alexandru Muntean
- Department of Microbiology II, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania; (E.-C.C.); (A.-A.M.); (M.-O.H.); (M.-M.M.)
- Department of Microbiology, Cantacuzino National Military Medical Institute for Research and Development, 050096 Bucharest, Romania
| | - Mihai-Octav Hogea
- Department of Microbiology II, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania; (E.-C.C.); (A.-A.M.); (M.-O.H.); (M.-M.M.)
| | - Mădălina-Maria Muntean
- Department of Microbiology II, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania; (E.-C.C.); (A.-A.M.); (M.-O.H.); (M.-M.M.)
| | - Mircea-Ioan Popa
- Department of Microbiology II, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania; (E.-C.C.); (A.-A.M.); (M.-O.H.); (M.-M.M.)
- Department of Microbiology, Cantacuzino National Military Medical Institute for Research and Development, 050096 Bucharest, Romania
| | - Gabriela-Loredana Popa
- Department of Microbiology, Faculty of Dentistry, Carol Davila University of Medicine and Pharmacy, 020021 Bucharest, Romania;
- Parasitic Disease Department, Colentina Clinical Hospital, 020125 Bucharest, Romania
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Dikoumba AC, Onanga R, Mangouka LG, Boundenga L, Ngoungou EB, Godreuil S. Molecular epidemiology of antimicrobial resistance in central africa: A systematic review. Access Microbiol 2023; 5:acmi000556.v5. [PMID: 37691840 PMCID: PMC10484317 DOI: 10.1099/acmi.0.000556.v5] [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: 01/08/2023] [Accepted: 07/21/2023] [Indexed: 09/12/2023] Open
Abstract
Background In Central Africa, it is difficult to tackle antibiotic resistance, because of a lack of data and information on bacterial resistance, due to the low number of studies carried out in the field. To fill this gap, we carried out a systematic review of the various studies, and devised a molecular epidemiology of antimicrobial resistance from humans, animals and the environmental samples. Method A systematic search of all publications from 2005 to 2020 on bacterial resistance in Central Africa (Gabon, Cameroon, Democratic Republic of Congo, Central African Republic, Chad, Republic of Congo, Equatorial Guinea, São Tomé and Príncipe, Angola) was performed on Pubmed, Google scholar and African Journals Online (AJOL). All circulating resistance genes, prevalence and genetic carriers of these resistances were collected. The study area was limited to the nine countries of Central Africa. Results A total of 517 studies were identified through a literature search, and 60 studies carried out in eight countries were included. Among all articles included, 43 articles were from humans. Our study revealed not only the circulation of beta-lactamase and carbapenemase genes, but also several other types of resistance genes. To finish, we noticed that some studies reported mobile genetic elements such as integrons, transposons, and plasmids. Conclusion The scarcity of data poses difficulties in the implementation of effective strategies against antibiotic resistance, which requires a health policy in a 'One Health' approach.
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Affiliation(s)
- Annicet-Clotaire Dikoumba
- Département de biologie médicale, Hôpital d’Instruction des Armées Omar Bongo Ondimba, B.P 20404 Libreville, Gabon
- Unité de recherche et d’Analyses Médicales (URAM), Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), B.P. 679 Franceville, Gabon
| | - Richard Onanga
- Unité de recherche et d’Analyses Médicales (URAM), Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), B.P. 679 Franceville, Gabon
| | - Laurette G. Mangouka
- Département de Médecine, Hôpital d’Instruction des Armées Omar Bongo Ondimba, B.P 20404 Libreville, Gabon
| | - Larson Boundenga
- Groupe Evolution et Transmission Inter-espèces des Pathogènes, Département de Parasitologie du Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, Gabon
- Unité Maladies Émergentes Virales, Département de Virologie du Centre Interdisciplinaire de Recherches Médicales de Franceville (CIRMF), Franceville, Gabon
| | - Edgard-Brice Ngoungou
- Unité de Recherche en Epidémiologie des Maladies Chroniques et Santé Environnement (UREMCSE), Département d’Epidémiologie, Biostatistiques et Informatique Médicale (DEBIM), Faculté de Médecine, Université des Sciences de la Santé, BP 4009 Libreville, Gabon
| | - Sylvain Godreuil
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, 191 Avenue du Doyen Gaston Giraud, 34 295 Montpellier Cedex 5, France
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
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Venne DM, Hartley DM, Malchione MD, Koch M, Britto AY, Goodman JL. Review and analysis of the overlapping threats of carbapenem and polymyxin resistant E. coli and Klebsiella in Africa. Antimicrob Resist Infect Control 2023; 12:29. [PMID: 37013626 PMCID: PMC10071777 DOI: 10.1186/s13756-023-01220-4] [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: 11/10/2022] [Accepted: 02/18/2023] [Indexed: 04/05/2023] Open
Abstract
BACKGROUND Carbapenem-resistant Enterobacterales are among the most serious antimicrobial resistance (AMR) threats. Emerging resistance to polymyxins raises the specter of untreatable infections. These resistant organisms have spread globally but, as indicated in WHO reports, the surveillance needed to identify and track them is insufficient, particularly in less resourced countries. This study employs comprehensive search strategies with data extraction, meta-analysis and mapping to help address gaps in the understanding of the risks of carbapenem and polymyxin resistance in the nations of Africa. METHODS Three comprehensive Boolean searches were constructed and utilized to query scientific and medical databases as well as grey literature sources through the end of 2019. Search results were screened to exclude irrelevant results and remaining studies were examined for relevant information regarding carbapenem and/or polymyxin(s) susceptibility and/or resistance amongst E. coli and Klebsiella isolates from humans. Such data and study characteristics were extracted and coded, and the resulting data was analyzed and geographically mapped. RESULTS Our analysis yielded 1341 reports documenting carbapenem resistance in 40 of 54 nations. Resistance among E. coli was estimated as high (> 5%) in 3, moderate (1-5%) in 8 and low (< 1%) in 14 nations with at least 100 representative isolates from 2010 to 2019, while present in 9 others with insufficient isolates to support estimates. Carbapenem resistance was generally higher among Klebsiella: high in 10 nations, moderate in 6, low in 6, and present in 11 with insufficient isolates for estimates. While much less information was available concerning polymyxins, we found 341 reports from 33 of 54 nations, documenting resistance in 23. Resistance among E. coli was high in 2 nations, moderate in 1 and low in 6, while present in 10 with insufficient isolates for estimates. Among Klebsiella, resistance was low in 8 nations and present in 8 with insufficient isolates for estimates. The most widespread associated genotypes were, for carbapenems, blaOXA-48, blaNDM-1 and blaOXA-181 and, for polymyxins, mcr-1, mgrB, and phoPQ/pmrAB. Overlapping carbapenem and polymyxin resistance was documented in 23 nations. CONCLUSIONS While numerous data gaps remain, these data show that significant carbapenem resistance is widespread in Africa and polymyxin resistance is also widely distributed, indicating the need to support robust AMR surveillance, antimicrobial stewardship and infection control in a manner that also addresses broader animal and environmental health dimensions.
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Affiliation(s)
- Danielle M Venne
- Center on Medical Product Access, Safety and Stewardship, Georgetown University, 3900 Reservoir Road, Washington, DC, 20057, USA
| | - David M Hartley
- James M. Anderson Center for Health Systems Excellence, Cincinnati Children's Hospital, 3333 Burnet Avenue, Cincinnati, OH, 45229, USA
- Department of Pediatrics, College of Medicine, University of Cincinnati, Cincinnati, OH, 45229, USA
| | - Marissa D Malchione
- Center on Medical Product Access, Safety and Stewardship, Georgetown University, 3900 Reservoir Road, Washington, DC, 20057, USA
- Sabin Vaccine Institute, Influenza Vaccine Innovation, 2175 K St NW, Washington, DC, 20037, USA
| | - Michala Koch
- Center on Medical Product Access, Safety and Stewardship, Georgetown University, 3900 Reservoir Road, Washington, DC, 20057, USA
| | - Anjali Y Britto
- Center on Medical Product Access, Safety and Stewardship, Georgetown University, 3900 Reservoir Road, Washington, DC, 20057, USA
| | - Jesse L Goodman
- Center on Medical Product Access, Safety and Stewardship, Georgetown University, 3900 Reservoir Road, Washington, DC, 20057, USA.
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NDM-35-Producing ST167 Escherichia coli Highly Resistant to β-Lactams Including Cefiderocol. Antimicrob Agents Chemother 2022; 66:e0031122. [PMID: 35867524 PMCID: PMC9380521 DOI: 10.1128/aac.00311-22] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
A multidrug-resistant (carbapenems, aztreonam + avibactam, and cefiderocol) ST167 Escherichia coli clinical isolate recovered from a patient hospitalized in Switzerland produced NDM-35 showing ca. 10-fold increased hydrolytic activity toward cefiderocol compared to NDM-1. The isolate co-produced a CMY-type β-lactamase, exhibited a four amino-acid insertion in PBP3, and possessed a truncated iron transporter CirA protein. Our study identified an association of unrelated resistance mechanisms leading to resistance to virtually all β-lactams in a high-risk E. coli clone.
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Screening and Characterization of Multidrug-Resistant Enterobacterales among Hospitalized Patients in the African Archipelago of Cape Verde. Microorganisms 2022; 10:microorganisms10071426. [PMID: 35889144 PMCID: PMC9318797 DOI: 10.3390/microorganisms10071426] [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: 06/23/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 12/10/2022] Open
Abstract
This study aimed to investigate, for the first time, the occurrence and characteristics of extended-spectrum β-lactamase (ESBL)- and carbapenemase-producing Enterobacterales in Cape Verde. A total of 98 inpatients hospitalized at Hospital Universitário Agostinho Neto were screened for rectal colonization. All ESBL- and carbapenemase-producing isolates were tested for antimicrobial susceptibility and characterized by multilocus sequence typing. Mating-out assay followed by PCR-based replicon typing were performed to characterize the plasmids harboring carbapenemase encoding genes. A large proportion of patients carried ESBL- or carbapenemase-producing Enterobacterales (56% and 6%, respectively). Among 93 ESBL-producing isolates, there were mainly Klebsiella pneumoniae (58%) and Escherichia coli (37%). Five different ESBLs were detected, with CTX-M-15 being highly predominant (92%). Six carbapenemase-producing isolates (five E. coli and one K. pneumoniae) were recovered, and all of the OXA-48-like type (four OXA-181, one OXA-48, and one OXA-244). The blaOXA-48 gene was located on an IncFI-type plasmid, the blaOXA-181 gene on IncFI or IncX3 plasmids, and the blaOXA-244 gene was found to be chromosomally located. The five carbapenemase-producing E. coli isolates belonged to five distinct sequence types. This study overall showed a very high prevalence of ESBL-producing Enterobacterales, as well as the emergence of carbapenemase producers in this hospital.
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Ragheb SM, Govinden U, Osei Sekyere J. Genetic support of carbapenemases: a One Health systematic review and meta-analysis of current trends in Africa. Ann N Y Acad Sci 2021; 1509:50-73. [PMID: 34753206 DOI: 10.1111/nyas.14703] [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: 05/21/2020] [Revised: 09/06/2021] [Accepted: 09/26/2021] [Indexed: 11/28/2022]
Abstract
Antimicrobial resistance (AMR) is a public health threat globally. Carbapenems are β-lactam antibiotics used as last-resort agents for treating antibiotic-resistant infections. Mobile genetic elements (MGEs) play an important role in the dissemination and expression of antimicrobial resistance genes (ARGs), including the mobilization of ARGs within and between species. The presence of MGEs around carbapenem-hydrolyzing enzymes, called carbapenemases, in bacterial isolates in Africa is concerning. The association between MGEs and carbapenemases is described herein. Specific plasmid replicons, integrons, transposons, and insertion sequences were found flanking specific and different carbapenemases across the same and different clones and species isolated from humans, animals, and the environment. Notably, similar genetic contexts have been reported in non-African countries, supporting the importance of MGEs in driving the intra- and interclonal and species transmission of carbapenemases in Africa and globally. Technical and budgetary limitations remain challenges for epidemiological analysis of carbapenemases in Africa, as studies undertaken with whole-genome sequencing remained relatively few. Characterization of MGEs in antibiotic-resistant infections can deepen our understanding of carbapenemase epidemiology and facilitate the control of AMR in Africa. Investment in genomic epidemiology will facilitate faster clinical interventions and containment of outbreaks.
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Affiliation(s)
- Suzan Mohammed Ragheb
- Department of Microbiology and Immunology, Faculty of Pharmacy, Modern University for Technology and Information (MTI), Cairo, Egypt
| | - Usha Govinden
- Discipline of Pharmaceutical Sciences, College of Health Sciences, University of KwaZulu-Natal, KwaZulu-Natal, South Africa
| | - John Osei Sekyere
- Department of Microbiology & Immunology, Indiana University School of Medicine-Northwest, Gary, Indiana.,Department of Dermatology, School of Medicine, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa
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Santos Tufic-Garutti SD, de Araújo Longo LG, Fontana H, Garutti LHG, de Carvalho Girão VB, Fuga B, Lincopan N, de Pinho Rodrigues KM, Moreira BM. OXA-181 carbapenemase carried on an IncX3 plasmid in high-risk Escherichia coli ST167 isolated from a traveler returning from Sub-Saharan Africa to Brazil. Diagn Microbiol Infect Dis 2021; 102:115570. [PMID: 34739936 DOI: 10.1016/j.diagmicrobio.2021.115570] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 09/25/2021] [Accepted: 10/01/2021] [Indexed: 11/27/2022]
Abstract
This is the first detection and genomic analysis of an OXA-181-carbapenemase-producing E. coli in Brazil, from a traveler returning from Sub-Saharan Africa. The ST167 isolate carries blaOXA-181 inserted in an IncX3 plasmid. This report illustrates the potential role of travelers as silent vectors for dissemination of high-risk resistant clones.
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Affiliation(s)
| | | | - Herrison Fontana
- Departamento de Análises Clínicas, Faculdade de Farmácia, Universidade de São Paulo, Brazil
| | | | | | - Bruna Fuga
- Departamento de Análises Clínicas, Faculdade de Farmácia, Universidade de São Paulo, Brazil; Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, Brazil
| | - Nilton Lincopan
- Departamento de Análises Clínicas, Faculdade de Farmácia, Universidade de São Paulo, Brazil; Departamento de Microbiologia, Instituto de Ciências Biomédicas, Universidade de São Paulo, Brazil
| | - Káris Maria de Pinho Rodrigues
- Centro de Informação em Saúde para Viajantes, Faculdade de Medicina, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Beatriz Meurer Moreira
- Instituto de Microbiologia, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
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Nwabor OF, Terbtothakun P, Voravuthikunchai SP, Chusri S. A Bibliometric Meta-Analysis of Colistin Resistance in Klebsiella pneumoniae. Diseases 2021; 9:44. [PMID: 34202931 PMCID: PMC8293170 DOI: 10.3390/diseases9020044] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/15/2021] [Accepted: 06/15/2021] [Indexed: 11/16/2022] Open
Abstract
Colistin is a last resort antibiotic medication for the treatment of infections caused by carbapenem-resistant Klebsiella pneumoniae. In recent years, various mechanisms have been reported to mediate colistin resistance in K. pneumoniae. This study reports a bibliometric analysis of published articles retrieved from the Scopus database relating to colistin resistance in K. pneumoniae. The research trends in colistin resistance and mechanisms of resistance were considered. A total of 1819 research articles published between 1995 and 2019 were retrieved, and the results indicated that 50.19% of the documents were published within 2017-2019. The USA had the highest participation with 340 (14.31%) articles and 14087 (17.61%) citations. Classification based on the WHO global epidemiological regions showed that the European Region contributed 42% of the articles while the American Region contributed 21%. The result further indicated that 45 countries had published at least 10 documents with strong international collaborations amounting to 272 links and a total linkage strength of 735. A total of 2282 keywords were retrieved; however, 57 keywords had ≥15 occurrences with 764 links and a total linkage strength of 2388. Furthermore, mcr-1, colistin resistance, NDM, mgrB, ceftazidime-avibactam, MDR, combination therapy, and carbapenem-resistant Enterobacteriaceae were the trending keywords. Concerning funders, the USA National Institute of Health funded 9.1% of the total research articles, topping the list. The analysis indicated poor research output, collaboration, and funding from Africa and South-East Asia and demands for improvement in international research collaboration.
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Affiliation(s)
- Ozioma Forstinus Nwabor
- Division of Infectious Diseases, Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; (O.F.N.); (P.T.)
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand;
| | - Pawarisa Terbtothakun
- Division of Infectious Diseases, Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; (O.F.N.); (P.T.)
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand;
| | - Supayang P. Voravuthikunchai
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand;
| | - Sarunyou Chusri
- Division of Infectious Diseases, Department of Internal Medicine, Faculty of Medicine, Prince of Songkla University, Hat Yai, Songkhla 90112, Thailand; (O.F.N.); (P.T.)
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Genetic Environments of Plasmid-Mediated blaCTXM-15 Beta-Lactamase Gene in Enterobacteriaceae from Africa. MICROBIOLOGY RESEARCH 2021. [DOI: 10.3390/microbiolres12020026] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
The most widely distributed blaCTX-M gene on a global scale is blaCTX-M-15. The dissemination has been associated with clonal spread and different types of mobile genetic elements. The objective of this review was to describe the genetic environments of the blaCTX-M-15 gene detected from Enterobacteriaceae in published literature from Africa. A literature search for relevant articles was performed through PubMed, AJOL, and Google Scholar electronic databases; 43 articles from 17 African countries were included in the review based on the eligibility criteria. Insertion sequences were reported as part of the genetic environment of blaCTX-M-15 gene in 32 studies, integrons in 13 studies, and plasmids in 23 studies. In this review, five insertion sequences including ISEcp1, IS26, orf447, IS903, and IS3 have been detected which are associated with the genetic environment of blaCTX-M-15 in Africa. Seven different genetic patterns were seen in the blaCTX-M-15 genetic environment. Insertion sequence ISEcp1 was commonly located upstream of the end of the blaCTX-M-15 gene, while the insertion sequence orf477 was located downstream. In some studies, ISEcp1 was truncated upstream of blaCTX-M-15 by insertion sequences IS26 and IS3. The class 1 integron (Intl1) was most commonly reported to be associated with blaCTX-M-15 (13 studies), with Intl1/dfrA17–aadA5 being the most common gene cassette array. IncFIA-FIB-FII multi-replicons and IncHI2 replicon types were the most common plasmid replicon types that horizontally transferred the blaCTX-M-15 gene. Aminoglycoside-modifying enzymes, and plasmid-mediated quinolone resistance genes were commonly collocated with the blaCTX-M-15 gene on plasmids. This review revealed the predominant role of ISEcp1, Intl1 and IncF plasmids in the mobilization and continental dissemination of the blaCTX-M-15 gene in Africa.
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Singh NS, Singhal N, Kumar M, Virdi JS. High Prevalence of Drug Resistance and Class 1 Integrons in Escherichia coli Isolated From River Yamuna, India: A Serious Public Health Risk. Front Microbiol 2021; 12:621564. [PMID: 33633708 PMCID: PMC7899961 DOI: 10.3389/fmicb.2021.621564] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2020] [Accepted: 01/05/2021] [Indexed: 11/16/2022] Open
Abstract
Globally, urban water bodies have emerged as an environmental reservoir of antimicrobial resistance (AMR) genes because resistant bacteria residing here might easily disseminate these traits to other waterborne pathogens. In the present study, we have investigated the AMR phenotypes, prevalent plasmid-mediated AMR genes, and integrons in commensal strains of Escherichia coli, the predominant fecal indicator bacteria isolated from a major urban river of northern India Yamuna. The genetic environment of blaCTX–M–15 was also investigated. Our results indicated that 57.5% of the E. coli strains were resistant to at least two antibiotic classes and 20% strains were multidrug resistant, i.e., resistant to three or more antibiotic classes. The multiple antibiotic resistance index of about one-third of the E. coli strains was quite high (>0.2), reflecting high contamination of river Yamuna with antibiotics. With regard to plasmid-mediated AMR genes, blaTEM–1 was present in 95% of the strains, followed by qnrS1 and armA (17% each), blaCTX–M–15 (15%), strA-strB (12%), and tetA (7%). Contrary to the earlier reports where blaCTX–M–15 was mostly associated with pathogenic phylogroup B2, our study revealed that the CTX-M-15 type extended-spectrum β-lactamases (ESBLs) were present in the commensal phylogroups A and B1, also. The genetic organization of blaCTX–M–15 was similar to that reported for E. coli, isolated from other parts of the world; and ISEcp1 was present upstream of blaCTX–M–15. The integrons of classes 2 and 3 were absent, but class 1 integron gene intI1 was present in 75% of the isolates, denoting its high prevalence in E. coli of river Yamuna. These evidences indicate that due to high prevalence of plasmid-mediated AMR genes and intI1, commensal E. coli can become vehicles for widespread dissemination of AMR in the environment. Thus, regular surveillance and management of urban rivers is necessary to curtail the spread of AMR and associated health risks.
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Affiliation(s)
- Nambram Somendro Singh
- Department of Microbiology, University of Delhi South Campus, New Delhi, India.,Department of Biophysics, University of Delhi South Campus, New Delhi, India
| | - Neelja Singhal
- Department of Biophysics, University of Delhi South Campus, New Delhi, India
| | - Manish Kumar
- Department of Biophysics, University of Delhi South Campus, New Delhi, India
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Nasiri MJ, Mirsaeidi M, Mousavi SMJ, Arshadi M, Fardsanei F, Deihim B, Davoudabadi S, Zamani S, Hajikhani B, Goudarzi H, Goudarzi M, Seghatoleslami ZS, Dabiri H, Tabarsi P. Prevalence and Mechanisms of Carbapenem Resistance in Klebsiella pneumoniae and Escherichia coli: A Systematic Review and Meta-Analysis of Cross-Sectional Studies from Iran. Microb Drug Resist 2020; 26:1491-1502. [DOI: 10.1089/mdr.2019.0440] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
- Mohammad Javad Nasiri
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Mirsaeidi
- Division of Pulmonary, Critical Care, Sleep and Allergy, Department of Medicine, University of Miami, Miller School of Medicine, Miami, Florida, USA
| | | | - Mania Arshadi
- Infectious and Tropical Diseases Research Center, Health Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Fatemeh Fardsanei
- Division of Microbiology, Department of Pathobiology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Behnaz Deihim
- Department of Bacteriology and Virology, School of Medicine, Dezful University of Medical Sciences, Dezful, Iran
| | - Sara Davoudabadi
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Samin Zamani
- Infectious Diseases Research Center, Golestan University of Medical Sciences, Gorgan, Iran
| | - Bahareh Hajikhani
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hossein Goudarzi
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehdi Goudarzi
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Zahra Sadat Seghatoleslami
- Department of Infectious Diseases, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Hossein Dabiri
- Department of Microbiology, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Payam Tabarsi
- Clinical TB and Epidemiology Research Center, National Research Institute of Tuberculosis and Lung Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Kopotsa K, Mbelle NM, Osei Sekyere J. Epigenomics, genomics, resistome, mobilome, virulome and evolutionary phylogenomics of carbapenem-resistant Klebsiella pneumoniae clinical strains. Microb Genom 2020; 6:mgen000474. [PMID: 33170117 PMCID: PMC8116673 DOI: 10.1099/mgen.0.000474] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 10/28/2020] [Indexed: 12/12/2022] Open
Abstract
Carbapenem-resistant Klebsiella pneumoniae (CRKP) remains a major clinical pathogen and public health threat with few therapeutic options. The mobilome, resistome, methylome, virulome and phylogeography of CRKP in South Africa and globally were characterized. CRKP collected in 2018 were subjected to antimicrobial susceptibility testing, screening by multiplex PCR, genotyping by repetitive element palindromic (REP)-PCR, plasmid size, number, incompatibility and mobility analyses, and PacBio's SMRT sequencing (n=6). There were 56 multidrug-resistant CRKP, having blaOXA-48-like and blaNDM-1/7 carbapenemases on self-transmissible IncF, A/C, IncL/M and IncX3 plasmids endowed with prophages, traT, resistance islands, and type I and II restriction modification systems (RMS). Plasmids and clades detected in this study were respectively related to globally established/disseminated plasmids clades/clones, evincing transboundary horizontal and vertical dissemination. Reduced susceptibility to colistin occurred in 23 strains. Common clones included ST307, ST607, ST17, ST39 and ST3559. IncFIIk virulent plasmid replicon was present in 56 strains. Whole-genome sequencing of six strains revealed least 41 virulence genes, extensive ompK36 mutations, and four different K- and O-loci types: KL2, KL25, KL27, KL102, O1, O2, O4 and O5. Types I, II and III RMS, conferring m6A (GATC, GATGNNNNNNTTG, CAANNNNNNCATC motifs) and m4C (CCWGG) modifications on chromosomes and plasmids, were found. The nature of plasmid-mediated, clonal and multi-clonal dissemination of blaOXA-48-like and blaNDM-1 mirrors epidemiological trends observed for closely related plasmids and sequence types internationally. Worryingly, the presence of both blaOXA-48 and blaNDM-1 in the same isolates was observed. Plasmid-mediated transmission of RMS, virulome and prophages influence bacterial evolution, epidemiology, pathogenicity and resistance, threatening infection treatment. The influence of RMS on antimicrobial and bacteriophage therapy needs urgent investigation.
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Affiliation(s)
- Katlego Kopotsa
- Department of Medical Microbiology, School of Medicine, Faculty of Health Sciences, University of Pretoria, 0084 Pretoria, South Africa
| | - Nontombi M. Mbelle
- Department of Medical Microbiology, School of Medicine, Faculty of Health Sciences, University of Pretoria, 0084 Pretoria, South Africa
| | - John Osei Sekyere
- Department of Medical Microbiology, School of Medicine, Faculty of Health Sciences, University of Pretoria, 0084 Pretoria, South Africa
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Olowo-okere A, Yacouba A. Molecular mechanisms of colistin resistance in Africa: A systematic review of literature. Germs 2020; 10:367-379. [PMID: 33489952 PMCID: PMC7811859 DOI: 10.18683/germs.2020.1229] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/15/2020] [Accepted: 09/19/2020] [Indexed: 11/08/2022]
Abstract
INTRODUCTION Updated and comprehensive data on the mechanism underlying colistin resistance is lacking in Africa. LITERATURE SEARCH Herein, we aimed to review available literature on the molecular mechanisms of colistin resistance in Africa. PubMed, Google Scholar, and African Journal online databases were searched on the 15th of January 2020 for original research articles that reported mechanisms of colistin resistance in any of the 54 African countries. REVIEW Of the 1473 studies identified through initial database search, 36 met the inclusion criteria. Colistin resistance was mostly observed in Escherichia coli isolated from human clinical samples. Plasmid-mediated colistin resistance mechanism (26; 72.2%) was the most frequently reported resistance mechanism. About three-quarters (27; 75.0%) of the 36 studies were done in North Africa. In this zone, the mobilized colistin resistance (mcr) genes were mostly detected in E. coli harboring three plasmid types, IncHI2, IncI2, and IncX4, from animal samples (n=9; 42.8%). Of the six studies performed in Southern Africa, four reported mcr-1 mostly detected from human samples (n=2; 50.0%) in E. coli isolates carrying IncHI2, IncI2, and IncX4 with diverse range of STs. One hitherto unknown mutation, the mutation in the I527N gene was detected in colistin resistant isolates in this region, which was absent in colistin susceptible isolates. In West and Central Africa, two and one studies, respectively, reported mcr-1 gene exclusively in Escherichia coli isolates. CONCLUSIONS Transferable plasmid mediated colistin resistance is rapidly emerging in Africa with mcr-1 as the predominant genetic variant in human, animals, and environmental samples.
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Affiliation(s)
- Ahmed Olowo-okere
- PharmD, PhD, Usmanu Danfodiyo University, Faculty of Pharmaceutical Sciences, P.M.B. 2346, Sokoto, Nigeria
| | - Abdourahamane Yacouba
- MD, Université Abdou Moumouni, Faculté des Sciences de la Santé, P.M.B. 10896, Niamey, Niger
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Antibiotic Sensitivity Screening of Klebsiella spp. and Raoultella spp. Isolated from Marine Bivalve Molluscs Reveal Presence of CTX-M-Producing K. pneumoniae. Microorganisms 2020; 8:microorganisms8121909. [PMID: 33266320 PMCID: PMC7761178 DOI: 10.3390/microorganisms8121909] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/25/2020] [Accepted: 11/28/2020] [Indexed: 01/01/2023] Open
Abstract
Klebsiella spp. are a major cause of both nosocomial and community acquired infections, with K. pneumoniae being responsible for most human infections. Although Klebsiella spp. are present in a variety of environments, their distribution in the sea and the associated antibiotic resistance is largely unknown. In order to examine prevalence of K. pneumoniae and related species in the marine environment, we sampled 476 batches of marine bivalve molluscs collected along the Norwegian coast. From these samples, K. pneumoniae (n = 78), K. oxytoca (n = 41), K. variicola (n = 33), K. aerogenes (n = 1), Raoultella ornithinolytica (n = 38) and R. planticola (n = 13) were isolated. The number of positive samples increased with higher levels of faecal contamination. We found low prevalence of acquired resistance in all isolates, with seven K. pneumoniae isolates showing resistance to more than one antibiotic class. The complete genome sequence of cefotaxime-resistant K. pneumoniae sensu stricto isolate 2016-1400 was obtained using Oxford Nanopore and Illumina MiSeq based sequencing. The 2016-1400 genome had two contigs, one chromosome of 5,088,943 bp and one plasmid of 191,744 bp and belonged to ST1035. The β-lactamase genes blaCTX-M-3 and blaTEM-1, as well as the heavy metal resistance genes pco, ars and sil were carried on a plasmid highly similar to one found in K. pneumoniae strain C17KP0055 from South-Korea recovered from a blood stream infection. The present study demonstrates that K. pneumoniae are prevalent in the coastal marine environment and that bivalve molluscs may act as a potential reservoir of extended spectrum β-lactamase (ESBL)-producing K. pneumoniae that may be transmitted through the food chain.
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16
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Ouchar Mahamat O, Kempf M, Lounnas M, Tidjani A, Hide M, Benavides JA, Carrière C, Bañuls AL, Jean-Pierre H, Ouedraogo AS, Dumont Y, Godreuil S. Epidemiology and prevalence of extended-spectrum β-lactamase- and carbapenemase-producing Enterobacteriaceae in humans, animals and the environment in West and Central Africa. Int J Antimicrob Agents 2020; 57:106203. [PMID: 33075511 DOI: 10.1016/j.ijantimicag.2020.106203] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 09/29/2020] [Accepted: 10/11/2020] [Indexed: 12/17/2022]
Abstract
Extended-spectrum β-lactamase-producing Enterobacteriaceae (ESBL-E) and carbapenemase-producing Enterobacteriaceae (CPE) are widespread. Here we used the 'One Health' approach to determine knowledge gaps on ESBL-E and CPE in West and Central Africa. We searched all articles on ESBL-E and CPE in these African regions published in PubMed, African Journals Online and Google Scholar from 2000 onwards. Among the 1201 articles retrieved, we selected 165 studies (West Africa, 118; Central Africa, 47) with data from 22 of the 26 West and Central Africa countries. Regarding the settings, 136 articles focused only on humans (carriage and/or infection), 6 articles on humans and animals, 13 on animals, 1 on humans and the environment, 8 on the environment and 1 on humans, animals and environments. ESBL-E prevalence ranged from 11-72% in humans and 7-79% in aquatic environments (wastewater). In animals, ESBL-E prevalence hugely varied: 0% in cattle, 11-36% in chickens, 20% in rats, 21-71% in pigs and 32-75% in dogs. The blaCTX-M-15 gene was the predominant ESBL-encoding gene and was associated with plasmids of incompatibility groups F, H, K, Y, N, I1 and R. CPE were studied only in humans. Class B metallo-β-lactamases (NDM) and class D oxacillinases (OXA-48 and OXA-181) were the most common carbapenemases. Our results show major knowledge gaps, particularly on ESBL and CPE in animals and the environment, that might limit antimicrobial resistance management in these regions. The results also emphasise the urgent need to improve active surveillance programmes in each country and to support antimicrobial stewardship.
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Affiliation(s)
- Oumar Ouchar Mahamat
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France; MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France; Service de laboratoire, Hôpital de la Mère et de l'Enfant, N'Djaména, Chad.
| | - Marie Kempf
- CRCINA, INSERM, Université de Nantes, Université d'Angers, Angers, France, and Laboratoire de Bactériologie-Hygiène, Institut de Biologie en Santé - PBH, CHU Angers, Angers, France
| | - Manon Lounnas
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France; MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | | | - Mallorie Hide
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | - Julio A Benavides
- Departamento de Ecología y Biodiversidad, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile; Centro de Investigación para la Sustentabilidad, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile
| | - Christian Carrière
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France; MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | - Anne-Laure Bañuls
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France; MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France; Laboraoire Mixte International, DRISA, IRD, Montpellier, France
| | - Hélène Jean-Pierre
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France; MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | | | - Yann Dumont
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France; MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | - Sylvain Godreuil
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France; MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France; Laboraoire Mixte International, DRISA, IRD, Montpellier, France
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Aires-de-Sousa M, Ortiz de la Rosa JM, Gonçalves ML, Pereira AL, Nordmann P, Poirel L. Epidemiology of Carbapenemase-Producing Klebsiella pneumoniae in a Hospital, Portugal. Emerg Infect Dis 2020; 25:1632-1638. [PMID: 31441424 PMCID: PMC6711212 DOI: 10.3201/eid2509.190656] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
We aimed to provide updated epidemiologic data on carbapenem-resistant Klebsiella pneumoniae in Portugal by characterizing all isolates (N = 46) recovered during 2013–2018 in a 123-bed hospital in Lisbon. We identified blaKPC-3 (n = 36), blaOXA-181 (n = 9), and blaGES-5 (n = 8) carbapenemase genes and observed co-occurrence of blaKPC-3 and blaGES-5 in 7 isolates. A single GES-5–producing isolate co-produced the extended-spectrum β-lactamase BEL-1; both corresponding genes were co-located on the same ColE1-like plasmid. The blaOXA-181 gene was always located on an IncX3 plasmid, whereas blaKPC-3 was carried on IncN, IncFII, IncFIB, and IncFIIA plasmid types. The 46 isolates were distributed into 13 pulsotypes and 9 sequence types. All isolates remained susceptible to ceftazidime/avibactam, but some exhibited reduced antimicrobial susceptibility (MIC = 3 mg/L).
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Abstract
Surveillance studies have shown that OXA-48-like carbapenemases are the most common carbapenemases in Enterobacterales in certain regions of the world and are being introduced on a regular basis into regions of nonendemicity, where they are responsible for nosocomial outbreaks. OXA-48, OXA-181, OXA-232, OXA-204, OXA-162, and OXA-244, in that order, are the most common enzymes identified among the OXA-48-like carbapenemase group. OXA-48 is associated with different Tn1999 variants on IncL plasmids and is endemic in North Africa and the Middle East. OXA-162 and OXA-244 are derivatives of OXA-48 and are present in Europe. OXA-181 and OXA-232 are associated with ISEcp1, Tn2013 on ColE2, and IncX3 types of plasmids and are endemic in the Indian subcontinent (e.g., India, Bangladesh, Pakistan, and Sri Lanka) and certain sub-Saharan African countries. Overall, clonal dissemination plays a minor role in the spread of OXA-48-like carbapenemases, but certain high-risk clones (e.g., Klebsiella pneumoniae sequence type 147 [ST147], ST307, ST15, and ST14 and Escherichia coli ST38 and ST410) have been associated with the global dispersion of OXA-48, OXA-181, OXA-232, and OXA-204. Chromosomal integration of bla OXA-48 within Tn6237 occurred among E. coli ST38 isolates, especially in the United Kingdom. The detection of Enterobacterales with OXA-48-like enzymes using phenotypic methods has improved recently but remains challenging for clinical laboratories in regions of nonendemicity. Identification of the specific type of OXA-48-like enzyme requires sequencing of the corresponding genes. Bacteria (especially K. pneumoniae and E. coli) with bla OXA-48, bla OXA-181, and bla OXA-232 are emerging in different parts of the world and are most likely underreported due to problems with the laboratory detection of these enzymes. The medical community should be aware of the looming threat that is posed by bacteria with OXA-48-like carbapenemases.
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Peirano G, Matsumura Y, Nobrega D, Pitout JDD. A Cost-Effective Method for Identifying Enterobacterales with OXA-181. J Clin Microbiol 2019; 57:e01281-19. [PMID: 31462547 PMCID: PMC6813009 DOI: 10.1128/jcm.01281-19] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Accepted: 08/26/2019] [Indexed: 02/07/2023] Open
Abstract
OXA-181 is the second most common global OXA-48-like carbapenemase and is endemic in the Indian subcontinent. Molecular studies have shown that Enterobacterales with OXA-181 are often introduced into regions of nonendemicity. Distinguishing OXA-181 from other OXA-48-like enzymes often requires sequencing, which is rather expensive and time-consuming. A specific PCR (i.e., OXA181PCR) for the detection of blaOXA-181 was validated using a global collection (n = 315) of bacteria with well-characterized carbapenemases and showed 100% sensitivity and specificity (95% confidence interval [CI], 94.1 to 100 and 98.6 to 100, respectively) for detecting bacteria with OXA-181. The OXA181PCR subsequently gave positive results on 58/160 (36%) Enterobacterales with OXA-48-like carbapenemases from the 2015 INFORM surveillance program. The blaOXA-181-positive Enterobacterales were present in 9 countries spanning 5 continents, illustrating the global distribution of OXA-181. This methodology can easily be incorporated into molecular surveillance programs to provide accurate information about the prevalence of OXA-181. A loop-mediated isothermal amplification (LAMP)-OXA48 assay overall performed well for detecting OXA-48-like enzymes but showed poor specificity due to false-positive results with non-OXA carbapenemases.
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Affiliation(s)
- Gisele Peirano
- Division of Microbiology, Alberta Public Laboratories, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Pathology and Laboratory Medicine, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - Yasufumi Matsumura
- Department of Clinical Laboratory Medicine, Kyoto University Graduate School of Medicine, Kyoto, Japan
| | - Diego Nobrega
- Department of Production Animal Health, Faculty of Veterinary Medicine, University of Calgary, Alberta, Canada
| | - Johann D D Pitout
- Division of Microbiology, Alberta Public Laboratories, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Pathology and Laboratory Medicine, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Microbiology, Immunology, and Infectious Diseases, Cummings School of Medicine, University of Calgary, Calgary, Alberta, Canada
- Department of Medical Microbiology, University of Pretoria, Pretoria, South Africa
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Ouchar Mahamat O, Lounnas M, Hide M, Tidjani A, Benavides J, Diack A, Somasse C, Gamougam K, Carrière C, Decré D, Bañuls AL, Jean-Pierre H, Dumont Y, Compain F, Godreuil S. Spread of NDM-5 and OXA-181 Carbapenemase-Producing Escherichia coli in Chad. Antimicrob Agents Chemother 2019; 63:e00646-19. [PMID: 31405861 PMCID: PMC6811454 DOI: 10.1128/aac.00646-19] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 07/19/2019] [Indexed: 01/03/2023] Open
Abstract
We detected for the first time blaNDM-5 and blaOXA-181 in Escherichia coli isolates from hospitalized patients and healthy volunteers in Chad. These resistance genes were located on IncX3 and IncF plasmids. Despite the large diversity of E. coli clones, the identified resistant intestinal isolates belonged mainly to the same sequence type.
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Affiliation(s)
- Oumar Ouchar Mahamat
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
- Service de laboratoire Hôpital de la Mère et de l'Enfant, N'Djamena, Chad
| | - Manon Lounnas
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | - Mallorie Hide
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | | | - Julio Benavides
- Departamento de Ecología y Biodiversidad, Facultad de Ciencias de la Vida, Universidad Andrés Bello, Santiago, Chile
| | - Abibatou Diack
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | - Calèbe Somasse
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | - Kadidja Gamougam
- Service de laboratoire, Hôpital Général des Références Nationale, N'Djamena, Chad
| | - Christian Carrière
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | - Dominique Decré
- Assistance Publique des Hôpitaux de Paris, Hôpitaux Universitaires Est Parisiens, Paris, France
- Université Pierre et Marie Curie, Sorbonne Université, Paris, France
| | - Anne-Laure Bañuls
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
- Laboraoire Mixte International, DRISA, IRD, Montpellier, France
| | - Hélène Jean-Pierre
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | - Yann Dumont
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
| | - Fabrice Compain
- Service de Microbiologie, Assistance Publique-Hôpitaux de Paris, Hôpital Européen Georges Pompidou, Paris, France
- Université Paris Descartes, Sorbonne Paris Cité, Paris, France
| | - Sylvain Godreuil
- Laboratoire de Bactériologie, Centre Hospitalier Universitaire de Montpellier, Montpellier, France
- MIVEGEC, IRD, CNRS, Université de Montpellier, Montpellier, France
- Laboraoire Mixte International, DRISA, IRD, Montpellier, France
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Soliman AM, Zarad HO, Nariya H, Shimamoto T, Shimamoto T. Genetic analysis of carbapenemase-producing Gram-negative bacteria isolated from a university teaching hospital in Egypt. INFECTION GENETICS AND EVOLUTION 2019; 77:104065. [PMID: 31634643 DOI: 10.1016/j.meegid.2019.104065] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/27/2019] [Accepted: 10/07/2019] [Indexed: 12/11/2022]
Abstract
A total of 65 non-replicate Gram-negative bacterial strains were recovered from clinical specimens between April and September 2014 at a University Hospital in Egypt. This collection was screened by PCR for carbapenemase-encoding genes, 16S rRNA methylases, and colistin resistance genes (mcr-1-mcr-8). Twenty-two strains (22/65, 33.8%) were positive for carbapenemase-encoding genes [13 NDM-1-producers (four Escherichia coli, two Klebsiella pneumoniae, and seven Providencia stuartii), two E. coli co-carrying NDM-5 and OXA-181, and seven Pseudomonas aeruginosa (three VIM-2, four VIM-24) strains]. The 16S rRNA methylase RmtC was detected in 12 NDM-1-producers for the first time in Egypt; no mcr genes were detected. A self-transmissible A/C plasmid was found to carry blaNDM-1 in all NDM-1-producing strains. NDM-5 and OXA-181 were located on an untypeable and IncX3 plasmid, respectively. Additionally, Enterobacterial repetitive intergenic consensus (ERIC)-PCR revealed five clonally related P. stuartii isolates collected over a 1.5-month period. Thirteen carbapenemase-producing strains were isolated from burn patients who are at a high risk of developing infections and require special medical care. To our knowledge, this is the first report of NDM-1-producing-P. stuartii strains in an African burn unit, NDM-1- and RmtC-positive non-lactose fermenting E. coli globally, VIM-24-producing P. aeruginosa in Africa, and 16S RMTase rmtC-NDM-1-producers in Egypt. This work highlights the detection of different carbapenemase-producing bacterial strains within an Egyptian teaching hospital compromising the effectiveness of carbapenems and urgently asking the Egyptian medical authorities for implementation of antimicrobial surveillance plans and infection control policies to early detect and to effectively halt the rapid spread of these superbugs.
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Affiliation(s)
- Ahmed M Soliman
- Laboratory of Food Microbiology and Hygiene, Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima 739-8528, Japan; Department of Microbiology and Immunology, Faculty of Pharmacy, Kafrelsheikh University, Kafr El-Sheikh 33516, Egypt
| | - Hoda O Zarad
- Laboratory of Food Microbiology and Hygiene, Graduate School of Biosphere Science, Hiroshima University, Higashi-Hiroshima 739-8528, Japan
| | - Hirofumi Nariya
- Laboratory of Food Microbiology and Hygiene, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima 739-8528, Japan
| | - Toshi Shimamoto
- Laboratory of Food Microbiology and Hygiene, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima 739-8528, Japan
| | - Tadashi Shimamoto
- Laboratory of Food Microbiology and Hygiene, Graduate School of Integrated Sciences for Life, Hiroshima University, Higashi-Hiroshima 739-8528, Japan.
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Kopotsa K, Osei Sekyere J, Mbelle NM. Plasmid evolution in carbapenemase-producing Enterobacteriaceae: a review. Ann N Y Acad Sci 2019; 1457:61-91. [PMID: 31469443 DOI: 10.1111/nyas.14223] [Citation(s) in RCA: 131] [Impact Index Per Article: 26.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 07/22/2019] [Accepted: 07/26/2019] [Indexed: 12/17/2022]
Abstract
Carbapenem-resistant Enterobacteriaceae (CRE) have been listed by the WHO as high-priority pathogens owing to their high association with mortalities and morbidities. Resistance to multiple β-lactams complicates effective clinical management of CRE infections. Using plasmid typing methods, a wide distribution of plasmid replicon groups has been reported in CREs around the world, including IncF, N, X, A/C, L/M, R, P, H, I, and W. We performed a literature search for English research papers, published between 2013 and 2018, reporting on plasmid-mediated carbapenem resistance. A rise in both carbapenemase types and associated plasmid replicon groups was seen, with China, Canada, and the United States recording a higher increase than other countries. blaKPC was the most prevalent, except in Angola and the Czech Republic, where OXA-181 (n = 50, 88%) and OXA-48-like (n = 24, 44%) carbapenemases were most prevalent, respectively; blaKPC-2/3 accounted for 70% (n = 956) of all reported carbapenemases. IncF plasmids were found to be responsible for disseminating different antibiotic resistance genes worldwide, accounting for almost 40% (n = 254) of plasmid-borne carbapenemases. blaCTX-M , blaTEM , blaSHV , blaOXA-1/9 , qnr, and aac-(6')-lb were mostly detected concurrently with carbapenemases. Most reported plasmids were conjugative but not present in multiple countries or species, suggesting limited interspecies and interboundary transmission of a common plasmid. A major limitation to effective characterization of plasmid evolution was the use of PCR-based instead of whole-plasmid sequencing-based plasmid typing.
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Affiliation(s)
- Katlego Kopotsa
- Department of Medical Microbiology, Faculty of Health Sciences, School of Medicine, University of Pretoria, Pretoria, Gauteng, South Africa
| | - John Osei Sekyere
- Department of Medical Microbiology, Faculty of Health Sciences, School of Medicine, University of Pretoria, Pretoria, Gauteng, South Africa
| | - Nontombi Marylucy Mbelle
- Department of Medical Microbiology, Faculty of Health Sciences, School of Medicine, University of Pretoria, Pretoria, Gauteng, South Africa.,National Health Laboratory Service, Tshwane Division, Department of Medical Microbiology, University of Pretoria, Pretoria, Gauteng, South Africa
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Mouftah SF, Pál T, Darwish D, Ghazawi A, Villa L, Carattoli A, Sonnevend Á. Epidemic IncX3 plasmids spreading carbapenemase genes in the United Arab Emirates and worldwide. Infect Drug Resist 2019; 12:1729-1742. [PMID: 31417290 PMCID: PMC6593741 DOI: 10.2147/idr.s210554] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Accepted: 05/27/2019] [Indexed: 12/31/2022] Open
Abstract
Purpose Plasmids of the incompatibility group X type 3 (IncX3) were described carrying various carbapenemase genes in carbapenemase-producing Enterobacteriaceae (CPE) worldwide and in the United Arab Emirates (UAE), as well. To understand the driving force behind the emergence of such plasmids in the UAE, the relationship between IncX3 plasmids encountered locally and globally was investigated. Methods CPE strains isolated in the UAE during 2009-2014 were screened by X3 PCR-based replicon typing. The clonal relationship of CPE carrying IncX3 plasmids was determined by multi-locus sequence typing (MLST) and pulsed-field gel electrophoresis (PFGE). Complete sequence of selected IncX3 plasmids was determined. Phylogenetic relationship between the carbapenemase carrying IncX3 plasmids from the UAE and of those reported worldwide was established by comparing the plasmid backbones. Results 10.2% of the 295 CPE tested were identified to carry IncX3 plasmids: 13 Escherichia coli, 13 Klebsiella pneumoniae, two Enterobacter cloacae, one Citrobacter freundii and one Morganella morganii isolate, respectively. Most of them were non-clonal; with small clusters of triplets and pairs of E. coli and K. pneumoniae, and a cluster of five K. pneumoniae ST11 exhibiting >90% similar PFGE patterns, respectively. The 30 isolates harbored either bla NDM-1, bla NDM-4, bla NDM-5, bla NDM-7, bla OXA-181 or bla KPC-2 carbapenemase genes on IncX3 plasmids. Phylogenetic analysis of the backbone region of IncX3 plasmids carrying various beta-lactamase genes from the UAE (n=23) and that of North-America, Europe, Asia and Australia (n=35) revealed three clusters based on the carbapenemase genes carried: plasmids harboring bla OXA-181 and bla NDM-5 formed two distinct groups, whereas backbones of plasmids with bla NDM-1, bla NDM-4 and bla NDM-7 clustered together. Each cluster contained plasmids of diverse geographical origin. Conclusion The findings suggest that different carbapenemase gene carrying IncX3 plasmids encountered in the UAE do not evolve locally, rather are subtypes of this epidemic plasmid emerging in this country due to international transfer.
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Affiliation(s)
- Shaimaa F Mouftah
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Tibor Pál
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Dania Darwish
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Akela Ghazawi
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Laura Villa
- Department of Infectious Diseases, Istituto Superiore di Sanitá, Rome, Italy
| | - Alessandra Carattoli
- Department of Molecular Microbiology, University of Rome La Sapienza, Rome, Italy
| | - Ágnes Sonnevend
- Department of Medical Microbiology and Immunology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain, United Arab Emirates.,Department of Medical Microbiology and Immunology, Medical School, University of Pécs, Pécs, Hungary
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Zhao D, Zuo Y, Wang Z, Li J. Characterize carbapenem-resistant Klebsiella pneumoniae isolates for nosocomial pneumonia and their Gram-negative bacteria neighbors in the respiratory tract. Mol Biol Rep 2019; 46:609-616. [PMID: 30603949 DOI: 10.1007/s11033-018-4515-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2018] [Accepted: 11/22/2018] [Indexed: 12/20/2022]
Abstract
This study was conducted to perform an epidemiological survey of carbapenem-resistant Klebsiella pneumoniae (CRKP) isolates for nosocomial pneumonia (NP) and visit their Gram-negative bacteria neighbors (GNNs) from the respiratory tracts. Pulsed-field gel electrophoresis and multi locus sequence typing were performed to evaluate the clonal relationships of these isolates. Statistical methods were then used to understand their possible relationship between CRKP and their GNNs. Among the 63 CRKP isolates, 84.1% produced a KPC-2 carbapenemase gene, followed by blaNDM-1 and blaIMP-38 like. 13 different STs and 29 clones were identified. Less heterogeneous clone backgrounds were observed in 53 KPC-2 K. pneumoniae isolates, and 6 STs have been found to contain KPC-2, of which the predominant ST11 harbored 47 KPC-2-producing K. pneumoniae isolates. Particularly, the two infrequent isolates co-possessing blaKPC-2 and blaIMP-38 like shared a different clonal relationship. 87 GNNs isolates of CRKP were established, the analysis present that different strains showed significant or no difference with CRKP upon antibiotics susceptibility. Conclusion, ST11 harboring KPC-2-producing K. pneumoniae isolates were dominant for NP, and both clonal spread and horizontal transfer contributed to the dissemination of CRKP. However, additional studies are needed to explore the biological relationship with their GNNs.
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Affiliation(s)
- Dongmei Zhao
- Department of Infectious Disease, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
| | - Yan Zuo
- Department of Clinical Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China
| | - Zhongxin Wang
- Department of Clinical Laboratory, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China.
| | - Jiabin Li
- Department of Infectious Disease, The First Affiliated Hospital of Anhui Medical University, Hefei, 230022, China.
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