1
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Occurrence of NDM-1 and VIM-2 Co-Producing Escherichia coli and OprD Alteration in Pseudomonas aeruginosa Isolated from Hospital Environment Samples in Northwestern Tunisia. Diagnostics (Basel) 2021; 11:diagnostics11091617. [PMID: 34573959 PMCID: PMC8467603 DOI: 10.3390/diagnostics11091617] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2021] [Revised: 08/12/2021] [Accepted: 08/23/2021] [Indexed: 12/03/2022] Open
Abstract
Hospital environments constitute the main reservoir of multidrug-resistant bacteria. In this study we aimed to investigate the presence of Gram-negative bacteria in one Northwestern Tunisian hospital environment, and characterize the genes involved in bacterial resistance. A total of 152 environmental isolates were collected from various surfaces and isolated using MacConkey medium supplemented with cefotaxime or imipenem, with 81 fermenter bacteria (27 Escherichia coli, and 54 Enterobacter spp., including 46 Enterobacter cloacae), and 71 non-fermenting bacteria (69 Pseudomonas spp., including 54 Pseudomonas aeruginosa, and 2 Stenotrophomonas maltophilia) being identified by the MALDI-TOF-MS method. Antibiotic susceptibility testing was performed by disk diffusion method and E-Test was used to determine MICs for imipenem. Several genes implicated in beta-lactams resistance were characterized by PCR and sequencing. Carbapenem resistance was detected among 12 isolates; nine E. coli (blaNDM-1 (n = 8); blaNDM-1 + blaVIM-2 (n = 1)) and three P. aeruginosa were carbapenem-resistant by loss of OprD porin. The whole-genome sequencing of P. aeruginosa 97H was determined using Illumina MiSeq sequencer, typed ST285, and harbored blaOXA-494. Other genes were also detected, notably blaTEM (n = 23), blaCTX-M-1 (n = 10) and blaCTX-M-9 (n = 6). These new epidemiological data imposed new surveillance strategies and strict hygiene rules to decrease the spread of multidrug-resistant bacteria in this area.
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2
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Sleiman A, Fayad AGA, Banna H, Matar GM. Prevalence and molecular epidemiology of carbapenem-resistant Gram-negative bacilli and their resistance determinants in the Eastern Mediterranean Region over the last decade. J Glob Antimicrob Resist 2021; 25:209-221. [PMID: 33812049 DOI: 10.1016/j.jgar.2021.02.033] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 01/05/2021] [Accepted: 02/28/2021] [Indexed: 12/14/2022] Open
Abstract
Carbapenem resistance in Enterobacteriaceae, Acinetobacter baumannii and Pseudomonas aeruginosa is increasing worldwide, which has led the World Health Organization (WHO) to list these bacteria in the critical priority pathogens group. Infections by such pathogens pose a serious threat to hospitalised patients and are associated with clinical and economic consequences. What worsens the case is the weak pipeline of available antimicrobial agents to treat such infections and the absence of new drugs. The aim of this review was to shed light on all studies tackling carbapenem resistance in Enterobacteriaceae, A. baumannii and P. aeruginosa in the Eastern Mediterranean region, with indication for each country, description of studies timeline, prevalence of carbapenem resistance, and carbapenem resistance-encoding genes detected in these countries.
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Affiliation(s)
- Ahmad Sleiman
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon; Center for Infectious Diseases Research, American University of Beirut, Beirut, Lebanon; World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut, Lebanon
| | - Antoine G Abou Fayad
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon; Center for Infectious Diseases Research, American University of Beirut, Beirut, Lebanon; World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut, Lebanon.
| | - Hanin Banna
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon; Center for Infectious Diseases Research, American University of Beirut, Beirut, Lebanon; World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut, Lebanon
| | - Ghassan M Matar
- Department of Experimental Pathology, Immunology and Microbiology, Faculty of Medicine, American University of Beirut, Beirut, Lebanon; Center for Infectious Diseases Research, American University of Beirut, Beirut, Lebanon; World Health Organization (WHO) Collaborating Center for Reference and Research on Bacterial Pathogens, Beirut, Lebanon.
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3
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Dziri O, Dziri R, Ali El Salabi A, Chouchani C. Carbapenemase Producing Gram-Negative Bacteria in Tunisia: History of Thirteen Years of Challenge. Infect Drug Resist 2020; 13:4177-4191. [PMID: 33262613 PMCID: PMC7699306 DOI: 10.2147/idr.s259562] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 06/11/2020] [Indexed: 11/23/2022] Open
Abstract
The wide spread of multidrug-resistant bacteria, particularly carbapenem-resistant Gram-negative bacteria (CR-GNB), constitutes a major public health threat worldwide, owing to the limited therapeutic options. This review will describe and uncover the Tunisian experience in the challenge against carbapenem resistance. Indeed, we illuminate on the dissemination of CR-GNB in different hospitals, animals, and other natural environments in this country. We resumed the different carbapenemase variants detected from various bacterial species and mapped their regional distribution, basing on Tunisian published data during a period extended from 2006, the date of its first description in Tunisia, to February 2019. We also resumed the different mobile genetic elements implicated in their dissemination. This review shows that the majority of the research reports focused in the north and the coastal cities in spite of the fact that KPC and IMP carbapenemases were uncommonly detected in our country. However, VIM, NDM-1, and OXA-48 enzymes were usually reported with the predominance of OXA-48 among Enterobacteriaceae. Furthermore, OXA-23, OXA-51, and OXA-58 carbapenemases constituted the main mechanism conferring carbapenem resistance among Acinetobacter baumannii in Tunisia. Collaborative efforts and raising awareness of the threat of antibiotic resistance are required in order to minimize the spread of multidrug-resistant bacteria.
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Affiliation(s)
- Olfa Dziri
- Laboratory of Microorganisms and Active Biomolecules, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia.,Laboratory of Research in Sciences and Technology of Environment, High Institute of Science and Technology of Environment, University of Carthage, Hammam-Lif, Tunisia
| | - Raoudha Dziri
- Laboratory of Microorganisms and Active Biomolecules, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Allaaeddin Ali El Salabi
- Department of Environmental Health, Faculty of Public Health, University of Benghazi, Benghazi, Libya.,Infection Control and Patient Safety Office, New Marwa Hospital, Benghazi, Libya
| | - Chedly Chouchani
- Laboratory of Microorganisms and Active Biomolecules, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia.,Laboratory of Research in Sciences and Technology of Environment, High Institute of Science and Technology of Environment, University of Carthage, Hammam-Lif, Tunisia
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4
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Iovene MR, Pota V, Galdiero M, Corvino G, Lella FMD, Stelitano D, Passavanti MB, Pace MC, Alfieri A, Franco SD, Aurilio C, Sansone P, Niyas VKM, Fiore M. First Italian outbreak of VIM-producing Serratia marcescensin an adult polyvalent intensive care unit, August-October 2018: A case report and literature review. World J Clin Cases 2019. [DOI: 10.12998/wjcc.v7.i21.3518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
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5
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Iovene MR, Pota V, Galdiero M, Corvino G, Di Lella FM, Stelitano D, Passavanti MB, Pace MC, Alfieri A, Di Franco S, Aurilio C, Sansone P, Niyas VKM, Fiore M. First Italian outbreak of VIM-producing Serratia marcescens in an adult polyvalent intensive care unit, August-October 2018: A case report and literature review. World J Clin Cases 2019; 7:3535-3548. [PMID: 31750335 PMCID: PMC6854422 DOI: 10.12998/wjcc.v7.i21.3535] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 05/14/2019] [Accepted: 07/27/2019] [Indexed: 02/05/2023] Open
Abstract
BACKGROUND Carbapenem-resistant Enterobacteriaceae has become a significant public health concern as hospital outbreaks are now being frequently reported and these organisms are becoming difficult to treat with the available antibiotics.
CASE SUMMARY An outbreak of VIM-producing Serratia marcescens occurred over a period of 11 wk (August, 1 to October, 18) in patients admitted to the adult polyvalent intensive care unit of the University of Campania “Luigi Vanvitelli” located in Naples. Four episodes occurred in three patients (two patients infected, and one patient colonized). All the strains revealed the production of VIM.
CONCLUSION After three decades of carbapenem antibiotics use, the emergence of carbapenem-resistance in Enterobacteriaceae has become a significant concern and a stricter control to preserve its clinical application is mandatory. This is, to our knowledge, the first outbreak of VIM-producing Serratia marcescens in Europe. Surveillance policies must be implemented to avoid future outbreaks.
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Affiliation(s)
- Maria Rosaria Iovene
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Vincenzo Pota
- Department of Women, Child and General and Specialized Surgery, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Massimiliano Galdiero
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Giusy Corvino
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Federica Maria Di Lella
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Debora Stelitano
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Maria Beatrice Passavanti
- Department of Women, Child and General and Specialized Surgery, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Maria Caterina Pace
- Department of Women, Child and General and Specialized Surgery, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Aniello Alfieri
- Department of Women, Child and General and Specialized Surgery, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Sveva Di Franco
- Department of Women, Child and General and Specialized Surgery, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Caterina Aurilio
- Department of Women, Child and General and Specialized Surgery, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | - Pasquale Sansone
- Department of Women, Child and General and Specialized Surgery, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
| | | | - Marco Fiore
- Department of Women, Child and General and Specialized Surgery, University of Campania "Luigi Vanvitelli", Naples 80138, Italy
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6
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Dziri R, Ayari I, Barguellil F, Ouzari HI, El Asli MS, Klibi N. First Report of NDM and VIM Coproducing Klebsiella pneumoniae in Tunisia and Emergence of Novel Clones. Microb Drug Resist 2019; 25:1282-1286. [DOI: 10.1089/mdr.2019.0115] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Affiliation(s)
- Raoudha Dziri
- Laboratory of Microorganisms and Active Biomolecules, Department of Biology, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Imen Ayari
- Laboratory of Microorganisms and Active Biomolecules, Department of Biology, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Farouk Barguellil
- Service of Microbiology, Military Hospital of Tunis HMPIT, Tunis, Tunisia
- Department of Microbiology, Faculty of Pharmacy, University of Monastir, Monastir, Tunisia
| | - Hadda-Imen Ouzari
- Laboratory of Microorganisms and Active Biomolecules, Department of Biology, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Mohamed Selim El Asli
- Service of Microbiology, Military Hospital of Tunis HMPIT, Tunis, Tunisia
- Department of Microbiology, Faculty of Pharmacy, University of Monastir, Monastir, Tunisia
| | - Naouel Klibi
- Laboratory of Microorganisms and Active Biomolecules, Department of Biology, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis, Tunisia
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7
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Bouattour H, Ghariani A, Essalah L, Mehiri E, Slim-Saidi L. Détection phénotypique et moléculaire des souches de Klebsiella pneumoniae productrices de carbapénémase. Med Mal Infect 2019; 49:225-226. [DOI: 10.1016/j.medmal.2018.10.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2018] [Revised: 09/01/2018] [Accepted: 10/18/2018] [Indexed: 11/16/2022]
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8
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DZIRI O, ALONSO CA, DZIRI R, GHARSA H, MARAOUB A, TORRES C, CHOUCHANI C. Metallo-β-lactamases and class D carbapenemases in south-east Tunisia: Implication of mobile genetic elements in their dissemination. Int J Antimicrob Agents 2018; 52:871-877. [DOI: 10.1016/j.ijantimicag.2018.06.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Revised: 05/14/2018] [Accepted: 06/02/2018] [Indexed: 10/28/2022]
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9
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Abstract
β-Lactamases, the major resistance determinant for β-lactam antibiotics in Gram-negative bacteria, are ancient enzymes whose origins can be traced back millions of years ago. These well-studied enzymes, currently numbering almost 2,800 unique proteins, initially emerged from environmental sources, most likely to protect a producing bacterium from attack by naturally occurring β-lactams. Their ancestors were presumably penicillin-binding proteins that share sequence homology with β-lactamases possessing an active-site serine. Metallo-β-lactamases also exist, with one or two catalytically functional zinc ions. Although penicillinases in Gram-positive bacteria were reported shortly after penicillin was introduced clinically, transmissible β-lactamases that could hydrolyze recently approved cephalosporins, monobactams, and carbapenems later became important in Gram-negative pathogens. Nomenclature is based on one of two major systems. Originally, functional classifications were used, based on substrate and inhibitor profiles. A later scheme classifies β-lactamases according to amino acid sequences, resulting in class A, B, C, and D enzymes. A more recent nomenclature combines the molecular and biochemical classifications into 17 functional groups that describe most β-lactamases. Some of the most problematic enzymes in the clinical community include extended-spectrum β-lactamases (ESBLs) and the serine and metallo-carbapenemases, all of which are at least partially addressed with new β-lactamase inhibitor combinations. New enzyme variants continue to be described, partly because of the ease of obtaining sequence data from whole-genome sequencing studies. Often, these new enzymes are devoid of any phenotypic descriptions, making it more difficult for clinicians and antibiotic researchers to address new challenges that may be posed by unusual β-lactamases.
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Affiliation(s)
- Karen Bush
- Department of Biology, Indiana University Bloomington, Bloomington, Indiana, USA
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10
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Bommer A, Böhler O, Johannsen E, Dobrindt U, Kuczius T. Effect of chlorine on cultivability of Shiga toxin producing Escherichia coli (STEC) and β-lactamase genes carrying E. coli and Pseudomonas aeruginosa. Int J Med Microbiol 2018; 308:1105-1112. [PMID: 30262431 DOI: 10.1016/j.ijmm.2018.09.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 08/02/2018] [Accepted: 09/13/2018] [Indexed: 11/15/2022] Open
Abstract
The worldwide spread of toxin-producing and multi-drug resistant bacteria in water, food and the environment is considered a major threat to human health. Drinking water quality is controlled by inspection of fecal indicators presence whereby viable contaminants will be efficiently reduced by chlorination which is a common process for disinfection. However, the all-out efficiency is arguable, because bacterial regrowth has been documented after disinfection. In this study, we investigated the stability of Shiga toxin producing Escherichia coli (STEC) and β-lactamase expressing E. coli and Pseudomonas aeruginosa isolates, both equipped with multiple or single β-lactamase resistance genes. The aim of the study was to analyze the efficiency of chlorine (Cl2) disinfection against shigatoxigenic or β-lactamase producing bacteria. Cl2 reacts with the bacterial cells after first contact. Counts of antibiotic resistant E. coli were lower after short than upon extended Cl2 treatment. P. aeruginosa counts decreased moderately upon 15-60 min treatment with 1.2 mg Cl2/l, while cells adapted to tap water were not cultivable anymore. We assume that the bacterial physiology changed to a temporary non-cultivatable state at first Cl2 contact followed by resuscitation of some cells at later stages. STEC viability went down continuously at low Cl2 concentrations and these toxigenic E. coli isolates exhibited slightly increased stability to Cl2 treatment compared with non-toxigenic E. coli. Controlling the efficiency of disinfection, realistic counts of cultivatable cells are achieved after extended Cl2 action.
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Affiliation(s)
- Anni Bommer
- Institute for Hygiene, Westfälische Wilhelms-University and University Hospital Münster, Robert Koch-Strasse 41, 48149 Münster, Germany
| | - Olga Böhler
- Institute for Hygiene, Westfälische Wilhelms-University and University Hospital Münster, Robert Koch-Strasse 41, 48149 Münster, Germany
| | - Eva Johannsen
- Institute for Hygiene, Westfälische Wilhelms-University and University Hospital Münster, Robert Koch-Strasse 41, 48149 Münster, Germany
| | - Ulrich Dobrindt
- Institute for Hygiene, Westfälische Wilhelms-University and University Hospital Münster, Robert Koch-Strasse 41, 48149 Münster, Germany
| | - Thorsten Kuczius
- Institute for Hygiene, Westfälische Wilhelms-University and University Hospital Münster, Robert Koch-Strasse 41, 48149 Münster, Germany.
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11
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Diab M, Hamze M, Bonnet R, Saras E, Madec JY, Haenni M. Extended-spectrum beta-lactamase (ESBL)- and carbapenemase-producing Enterobacteriaceae in water sources in Lebanon. Vet Microbiol 2018; 217:97-103. [PMID: 29615264 DOI: 10.1016/j.vetmic.2018.03.007] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 03/07/2018] [Accepted: 03/09/2018] [Indexed: 02/06/2023]
Abstract
Extended-spectrum beta-lactamases (ESBLs) have been recurrently reported in both human and veterinary medicine, and carbapenemases have also emerged in these two sectors. Such resistance phenotypes were increasingly reported in the environment, which both receives and further disseminates multidrug-resistant (MDR) bacteria. Here, we report the high contamination of water samples (68.2%; 15/22) collected in estuaries in Lebanon. From these 15 contaminated sites, a total of 21 ESBL-producing (mostly harbouring the blaCTX-M-15 gene) and four carbapenemase-producing (two blaOXA-48 and two blaOXA-244) Enterobacteriaceae were recovered. ESBL contamination was also identified in water samples collected from rural wells and spring water, although at a lower frequency. Indeed, 1.9% (3/155) and 6.1% (7/115) of the wells and springs were contaminated, respectively, and all identified isolates were CTX-M-15-producing E. coli. Interestingly, sequence types (STs) previously associated both with animal and human reservoirs were detected (ST38, ST10 and ST131), suggesting a complex source of contamination. This situation is alarming since water drawn from wells or springs is directly intended for human consumption in Lebanon without any further treatment. Moreover, even though water from estuaries is not intended for human consumption, it is used to water animals and irrigate crops. Consequently, water contamination by ESBLs and carbapenemases in Lebanon is potentially a major risk to public health. Part of this work was presented at the 7th Symposium on Antimicrobial Resistance in Animals and the Environment (ARAE).
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Affiliation(s)
- Mohamad Diab
- Laboratoire Microbiologie Santé et Environnement (LMSE), Ecole Doctorale en Sciences et Technologies, Faculté de Santé Publique, Université Libanaise, Tripoli, Lebanon; Unité Antibiorésistance et Virulence Bactériennes, Université de Lyon - Agence Nationale de Sécurité Sanitaire (ANSES), Lyon, France; Clermont Université, Université d'Auvergne, Inserm U1071, INRA USC2018, Clermont-Ferrand, France
| | - Monzer Hamze
- Laboratoire Microbiologie Santé et Environnement (LMSE), Ecole Doctorale en Sciences et Technologies, Faculté de Santé Publique, Université Libanaise, Tripoli, Lebanon
| | - Richard Bonnet
- Clermont Université, Université d'Auvergne, Inserm U1071, INRA USC2018, Clermont-Ferrand, France
| | - Estelle Saras
- Unité Antibiorésistance et Virulence Bactériennes, Université de Lyon - Agence Nationale de Sécurité Sanitaire (ANSES), Lyon, France
| | - Jean-Yves Madec
- Unité Antibiorésistance et Virulence Bactériennes, Université de Lyon - Agence Nationale de Sécurité Sanitaire (ANSES), Lyon, France
| | - Marisa Haenni
- Unité Antibiorésistance et Virulence Bactériennes, Université de Lyon - Agence Nationale de Sécurité Sanitaire (ANSES), Lyon, France.
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12
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Alonso C, Zarazaga M, Ben Sallem R, Jouini A, Ben Slama K, Torres C. Antibiotic resistance inEscherichia coliin husbandry animals: the African perspective. Lett Appl Microbiol 2017; 64:318-334. [DOI: 10.1111/lam.12724] [Citation(s) in RCA: 86] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Revised: 02/08/2017] [Accepted: 02/10/2017] [Indexed: 12/12/2022]
Affiliation(s)
- C.A. Alonso
- Área Bioquímica y Biología Molecular; Universidad de La Rioja; Logroño Spain
| | - M. Zarazaga
- Área Bioquímica y Biología Molecular; Universidad de La Rioja; Logroño Spain
| | - R. Ben Sallem
- Faculté des Sciences de Tunis; Laboratoire des Microorganismes et Biomolécules Actives; Université de Tunis El Manar; Tunis Tunisia
| | - A. Jouini
- Laboratoire d’Épidémiologie et Microbiologie Vétérinaire. Institut Pasteur de Tunis; Université de Tunis El Manar; Tunis Tunisia
| | - K. Ben Slama
- Faculté des Sciences de Tunis; Laboratoire des Microorganismes et Biomolécules Actives; Université de Tunis El Manar; Tunis Tunisia
| | - C. Torres
- Área Bioquímica y Biología Molecular; Universidad de La Rioja; Logroño Spain
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13
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Ben Tanfous F, Alonso CA, Achour W, Ruiz-Ripa L, Torres C, Ben Hassen A. First Description of KPC-2-ProducingEscherichia coliand ST15 OXA-48-PositiveKlebsiella pneumoniaein Tunisia. Microb Drug Resist 2017; 23:365-375. [DOI: 10.1089/mdr.2016.0090] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Farah Ben Tanfous
- Université de Carthage, Faculté des Sciences de Bizerte, 7021, Tunis, Tunisie
- Service des Laboratoires, Centre National de Greffe de Moelle Osseuse, Tunis, Tunisie
- Faculté de Médecine de Tunis, Université de Tunis El Manar, UR 12ES02, Tunis, Tunisie
| | - Carla Andrea Alonso
- Área de Bioquímica y Biología Molecular, Universidad de La Rioja, Logroño, Spain
| | - Wafa Achour
- Service des Laboratoires, Centre National de Greffe de Moelle Osseuse, Tunis, Tunisie
- Faculté de Médecine de Tunis, Université de Tunis El Manar, UR 12ES02, Tunis, Tunisie
| | - Laura Ruiz-Ripa
- Área de Bioquímica y Biología Molecular, Universidad de La Rioja, Logroño, Spain
| | - Carmen Torres
- Área de Bioquímica y Biología Molecular, Universidad de La Rioja, Logroño, Spain
| | - Assia Ben Hassen
- Service des Laboratoires, Centre National de Greffe de Moelle Osseuse, Tunis, Tunisie
- Faculté de Médecine de Tunis, Université de Tunis El Manar, UR 12ES02, Tunis, Tunisie
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14
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Dziri R, Klibi N, Alonso CA, Said LB, Bellaaj R, Slama KB, Boudabous A, Torres C. Characterization of extended-spectrum β-lactamase (ESBL)-producing Klebsiella, Enterobacter , and Citrobacter obtained in environmental samples of a Tunisian hospital. Diagn Microbiol Infect Dis 2016; 86:190-3. [DOI: 10.1016/j.diagmicrobio.2016.07.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 07/10/2016] [Accepted: 07/12/2016] [Indexed: 02/08/2023]
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15
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Mathlouthi N, Al-Bayssari C, Bakour S, Rolain JM, Chouchani C. RETRACTED ARTICLE: Prevalence and emergence of carbapenemases-producing Gram-negative bacteria in Mediterranean basin. Crit Rev Microbiol 2016; 43:43-61. [DOI: 10.3109/1040841x.2016.1160867] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Najla Mathlouthi
- Université Tunis El-Manar, Faculté des Sciences de Tunis, Laboratoire des Microorganismes et Biomolécules Actives, Campus Universitaire, El-Manar II, Tunisia
- Unité de recherche sur les maladies infectieuses et tropicales émergentes (URMITE), UM 63, CNRS 7278, IRD 198, INSERM 1095, IHU Méditerranée Infection, Faculté de Médecine et de Pharmacie, Aix-Marseille-Université, Marseille, France
- Université de Carthage, Institut Supérieur des Sciences et Technologies de l’Environnement de Borj-Cedria, Technopôle de Borj-Cedria, BP-1003, Hammam-Lif, Tunisia
| | - Charbel Al-Bayssari
- Unité de recherche sur les maladies infectieuses et tropicales émergentes (URMITE), UM 63, CNRS 7278, IRD 198, INSERM 1095, IHU Méditerranée Infection, Faculté de Médecine et de Pharmacie, Aix-Marseille-Université, Marseille, France
| | - Sofiane Bakour
- Unité de recherche sur les maladies infectieuses et tropicales émergentes (URMITE), UM 63, CNRS 7278, IRD 198, INSERM 1095, IHU Méditerranée Infection, Faculté de Médecine et de Pharmacie, Aix-Marseille-Université, Marseille, France
| | - Jean Marc Rolain
- Unité de recherche sur les maladies infectieuses et tropicales émergentes (URMITE), UM 63, CNRS 7278, IRD 198, INSERM 1095, IHU Méditerranée Infection, Faculté de Médecine et de Pharmacie, Aix-Marseille-Université, Marseille, France
| | - Chedly Chouchani
- Université Tunis El-Manar, Faculté des Sciences de Tunis, Laboratoire des Microorganismes et Biomolécules Actives, Campus Universitaire, El-Manar II, Tunisia
- Université de Carthage, Institut Supérieur des Sciences et Technologies de l’Environnement de Borj-Cedria, Technopôle de Borj-Cedria, BP-1003, Hammam-Lif, Tunisia
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16
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Ouertani R, Limelette A, Guillard T, Brasme L, Jridi Y, Barguellil F, El Salabi A, de Champs C, Chouchani C. First report of nosocomial infection caused by Klebsiella pneumoniae ST147 producing OXA-48 and VEB-8 β-lactamases in Tunisia. J Glob Antimicrob Resist 2016; 4:53-56. [DOI: 10.1016/j.jgar.2015.10.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2015] [Revised: 09/26/2015] [Accepted: 10/07/2015] [Indexed: 10/22/2022] Open
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Mathlouthi N, Areig Z, Al Bayssari C, Bakour S, Ali El Salabi A, Ben Gwierif S, Zorgani AA, Ben Slama K, Chouchani C, Rolain JM. Emergence of Carbapenem-Resistant Pseudomonas aeruginosa and Acinetobacter baumannii Clinical Isolates Collected from Some Libyan Hospitals. Microb Drug Resist 2015; 21:335-41. [DOI: 10.1089/mdr.2014.0235] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- Najla Mathlouthi
- Unité de recherche sur les maladies infectieuses et tropicales émergentes (URMITE), UM 63, CNRS 7278, IRD 198, INSERM 1095, IHU Méditerranée Infection, Faculté de Médecine et de Pharmacie, Aix-Marseille-Université, Marseille, France
- Laboratoire des Microorganismes et Biomolécules Actives, Faculté des Sciences de Tunis, Campus Universitaire, Université de Tunis El-Manar, El-Manar, Tunisie
| | - Zaynab Areig
- Infection Control Office, Benghazi Medical Centre, Benghazi, Libya
- Department of Microbiology, The Libyan Academy, Benghazi, Libya
| | - Charbel Al Bayssari
- Unité de recherche sur les maladies infectieuses et tropicales émergentes (URMITE), UM 63, CNRS 7278, IRD 198, INSERM 1095, IHU Méditerranée Infection, Faculté de Médecine et de Pharmacie, Aix-Marseille-Université, Marseille, France
| | - Sofiane Bakour
- Unité de recherche sur les maladies infectieuses et tropicales émergentes (URMITE), UM 63, CNRS 7278, IRD 198, INSERM 1095, IHU Méditerranée Infection, Faculté de Médecine et de Pharmacie, Aix-Marseille-Université, Marseille, France
| | - Allaaeddin Ali El Salabi
- Infection Control Office, Benghazi Medical Centre, Benghazi, Libya
- Department of Environmental Health, Faculty of Public Health, University of Benghazi, Benghazi, Libya
| | - Salha Ben Gwierif
- Department of Microbiology, The Libyan Academy, Benghazi, Libya
- Department of Botany, University of Benghazi, Benghazi, Libya
| | - Abdulaziz A. Zorgani
- Department of Medical Microbiology and Immunology, Faculty of Medicine, University of Tripoli, Libya
| | - Karim Ben Slama
- Laboratoire des Microorganismes et Biomolécules Actives, Faculté des Sciences de Tunis, Campus Universitaire, Université de Tunis El-Manar, El-Manar, Tunisie
| | - Chedly Chouchani
- Laboratoire des Microorganismes et Biomolécules Actives, Faculté des Sciences de Tunis, Campus Universitaire, Université de Tunis El-Manar, El-Manar, Tunisie
- Université de Carthage, Institut Supérieur des Sciences et Technologies de l'Environnement de Borj-Cedria, Hammam-Lif, Tunisie
| | - Jean-Marc Rolain
- Unité de recherche sur les maladies infectieuses et tropicales émergentes (URMITE), UM 63, CNRS 7278, IRD 198, INSERM 1095, IHU Méditerranée Infection, Faculté de Médecine et de Pharmacie, Aix-Marseille-Université, Marseille, France
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18
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Manenzhe RI, Zar HJ, Nicol MP, Kaba M. The spread of carbapenemase-producing bacteria in Africa: a systematic review. J Antimicrob Chemother 2014; 70:23-40. [PMID: 25261423 DOI: 10.1093/jac/dku356] [Citation(s) in RCA: 108] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Carbapenems are the last line of defence against ever more prevalent MDR Gram-negative bacteria, but their efficacy is threatened worldwide by bacteria that produce carbapenemase enzymes. The epidemiology of bacteria producing carbapenemases has been described in considerable detail in Europe, North America and Asia; however, little is known about their spread and clinical relevance in Africa. METHODS We systematically searched in PubMed, EBSCOhost, Web of Science, Scopus, Elsevier Masson Consulte and African Journals Online, international conference proceedings, published theses and dissertations for studies reporting on carbapenemase-producing bacteria in Africa. We included articles published in English or French up to 28 February 2014. We calculated the prevalence of carbapenemase producers only including studies where the total number of isolates tested was at least 30. RESULTS Eighty-three studies were included and analysed. Most studies were conducted in North Africa (74%, 61/83), followed by Southern Africa (12%, 10/83), especially South Africa (90%, 9/10), West Africa (8%, 7/83) and East Africa (6%, 6/83). Carbapenemase-producing bacteria were isolated from humans, the hospital environment and community environmental water samples, but not from animals. The prevalence of carbapenemase-producing isolates in hospital settings ranged from 2.3% to 67.7% in North Africa and from 9% to 60% in sub-Saharan Africa. CONCLUSIONS Carbapenemase-producing bacteria have been described in many African countries; however, their prevalence is poorly defined and has not been systematically studied. Antibiotic stewardship and surveillance systems, including molecular detection and genotyping of resistant isolates, should be implemented to monitor and reduce the spread of carbapenemase-producing bacteria.
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Affiliation(s)
- Rendani I Manenzhe
- Division of Medical Microbiology, Department of Clinical Laboratory Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
| | - Heather J Zar
- Department of Paediatrics and Child Health, University of Cape Town, Cape Town, South Africa Red Cross War Memorial Children's Hospital, Cape Town, South Africa
| | - Mark P Nicol
- Division of Medical Microbiology, Department of Clinical Laboratory Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa Institute for Infectious Diseases and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa National Health Laboratory Service, Groote Schuur Hospital, Cape Town, South Africa
| | - Mamadou Kaba
- Division of Medical Microbiology, Department of Clinical Laboratory Sciences, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa Institute for Infectious Diseases and Molecular Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa
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Abstract
AIMS To characterise carbapenemase-producing Enterobacteriaceae (CRE) isolated in Singapore. METHODS Carbapenemase genes and their flanking regions were amplified and sequenced by PCR. Isolates were typed by pulsed-field gel electrophoresis and multi-locus sequence typing. Plasmids bearing carbapenemase genes were sized by S1 nuclease digestion, Southern blotting, and DNA hybridisation with appropriate probes. Transfer of these plasmids was attempted by conjugation and transformation. Successfully transferred plasmids were characterised by polymerase chain reaction (PCR) replicon typing and restriction digestion. RESULTS Isolates of Klebsiella pneumoniae, Escherichia coli, Enterobacter cloacae and Citrobacter species carried a variety of carbapenemase genes including blaIMP-1, blaIMP-4, blaNDM-1, blaNDM-7, blaOXA-181, blaOXA-48 and blaKPC-2. Apart from K. pneumoniae with blaOXA-181, and some K. pneumoniae with blaNDM-1, the other isolates were not clonal. However there appears to be some spread of plasmids with blaIMP-1, blaNDM-1,blaKPC-2, and blaOXA-48. CONCLUSIONS The number of isolates of CRE has increased in Singapore, especially since 2010. There is a diversity of carbapenemase types that reflects the geographical proximity of other countries with CRE.
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Chouchani C, Marrakchi R, Henriques I, Correia A. Occurrence of IMP-8, IMP-10, and IMP-13 metallo-β-lactamases located on class 1 integrons and other extended-spectrum β-lactamases in bacterial isolates from Tunisian rivers. ACTA ACUST UNITED AC 2012; 45:95-103. [PMID: 22992193 DOI: 10.3109/00365548.2012.717712] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Antibiotic-resistant bacteria have been surveyed widely in water bodies, but few studies have determined the diversity of antibiotic-resistant bacteria in river waters. This study was undertaken to investigate the origin of resistance among polluted river bacterial isolates in Tunisia. METHODS In this study 128 isolates resistant to β-lactam antibiotics were obtained from 2 polluted rivers in the north of Tunisia. Isolates were identified using Phoenix phenotyping criteria. The occurrence of bla(TEM), bla(SHV), bla(CTX-M), bla(CMY), bla(VIM), and bla(IMP) was studied by polymerase chain reaction (PCR) amplification and sequencing, and the genetic relatedness of the 16 IMP-producing Klebsiella pneumoniae isolates was analyzed by comparison of XbaI pulsed-field gel electrophoresis (PFGE) profiles. RESULTS Using Phoenix phenotyping criteria, diverse genera of bacteria were identified with different rates of prevalence and with different minimum inhibitory concentrations against different antibiotics. The occurrence of bla(TEM), bla(SHV), bla(CTXM), bla(CMY), bla(VIM), and bla(IMP) genes was confirmed. The DNA sequences upstream and downstream of bla(IMP) genes were determined, revealing that all IMP-encoding genes constituted the first cassette of class 1 integrons, followed by aacA gene cassettes encoding aminoglycoside resistance. Comparison of PFGE profiles showed that only 2 of the isolates were clonal, the other 14 displaying unique profiles. The bla(CTX-M) gene was the most dominant of the extended-spectrum β-lactamase (ESBL) genes, while the bla(TEM) gene was the second-most dominant. CONCLUSION The discovery of highly diverse ESBL-producing bacteria and metallo-β-lactamases, particularly bla(IMP), in polluted river water raises alarms with regard to the potential dissemination of antibiotic-resistant bacteria in communities through river environments.
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Affiliation(s)
- Chedly Chouchani
- Université de Carthage, Institut Supérieur des Sciences et Technologies de l'Environnement de Borj-Cedria, Technopôle de Borj-Cedria, Hammam-Lif, Tunisia.
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Detection and characterization of VIM-31, a new variant of VIM-2 with Tyr224His and His252Arg mutations, in a clinical isolate of Enterobacter cloacae. Antimicrob Agents Chemother 2012; 56:3283-7. [PMID: 22391550 DOI: 10.1128/aac.06249-11] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
We report the first description of the metallo-β-lactamase VIM-31, a new variant of VIM-2 with Tyr224His and His252Arg mutations, in Enterobacter cloacae 11236, which was isolated from blood specimens of a patient with colonic adenocarcinoma in Belgium. bla(VIM-31) was found on a class 1 integron located on a self-transferable but not typeable 42-kb plasmid. Compared to values published elsewhere for VIM-2, the purified VIM-31 enzyme showed weaker catalytic efficiency against all the tested beta-lactam agents (except for ertapenem), resulting from lower k(cat) (except for ertapenem) and higher K(m) values for VIM-31.
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Chouchani C, Salabi A, Marrakchi R, Ferchichi L, Walsh TR. Characterization of IncA/C conjugative plasmid harboring bla TEM-52 and bla CTX-M-15 extended-spectrum β-lactamases in clinical isolates of Escherichia coli in Tunisia. Eur J Clin Microbiol Infect Dis 2011; 31:1081-7. [DOI: 10.1007/s10096-011-1410-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2011] [Accepted: 08/27/2011] [Indexed: 11/24/2022]
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