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Rodriguez C, Ramlaoui D, Gasca B, Azis A, Leal C, Lopez C, Merzcord V, McManus KS, Jo J, Cazorla SI, Subils T, Tuttobene MR, Salzameda NT, Bonomo RA, Actis LA, Raya R, Ramirez MS. Lacticaseibacillus rhamnosus CRL 2244 secreted metabolites display killing and antibiotic synergistic activity against multi-drug resistant pathogens. PLoS One 2024; 19:e0306273. [PMID: 38941324 PMCID: PMC11213291 DOI: 10.1371/journal.pone.0306273] [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: 12/27/2023] [Accepted: 06/13/2024] [Indexed: 06/30/2024] Open
Abstract
A growing increase in the number of serious infections caused by multidrug resistant bacteria (MDR) is challenging our society. Despite efforts to discover novel therapeutic options, few antibiotics targeting MDR have been approved by the Food and Drug Administration (FDA). Lactic acid bacteria have emerged as a promising therapeutic alternative due to their demonstrated ability to combat MDR pathogens in vitro. Our previous co-culture studies showed Lacticaseibacillus rhamnosus CRL 2244 as having a potent killing effect against carbapenem-resistant Acinetobacter baumannii (CRAB) strains. Here we report that cell-free conditioned media (CFCM) samples obtained from Lcb. rhamnosus CRL 2244 cultures incubated at different times display antimicrobial activity against 43 different pathogens, including CRAB, methicillin-resistant Staphylococcus aureus (MRSA) and carbapenemase Klebsiella pneumoniae (KPC)-positive strains. Furthermore, transwell and ultrafiltration analyses together with physical and chemical/biochemical tests showed that Lcb. rhamnosus CRL 2244 secretes a <3 kDa metabolite(s) whose antimicrobial activity is not significantly impaired by mild changes in pH, temperature and various enzymatic treatments. Furthermore, sensitivity and time-kill assays showed that the bactericidal activity of the Lcb. rhamnosus CRL 2244 metabolite(s) enhances the activity of some current FDA approved antibiotics. We hypothesize that this observation could be due to the effects of Lcb. rhamnosus CRL 2244 metabolite(s) on cell morphology and the enhanced transcriptional expression of genes coding for the phenylacetate (PAA) and histidine catabolic Hut pathways, metal acquisition and biofilm formation, all of which are associated with bacterial virulence. Interestingly, the extracellular presence of Lcb. rhamnosus CRL 2244 induced the transcription of the gene coding for the CidA/LgrA protein, which is involved in programmed cell death in some bacteria. Overall, the findings presented in this report underscore the promising potential of the compound(s) released by Lcb. rhamnosus CRL2244 as an alternative and/or complementary option to treat infections caused by A. baumannii as well as other MDR bacterial pathogens.
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Affiliation(s)
- Cecilia Rodriguez
- Centro de Referencia para Lactobacilos (CERELA), CONICET, Tucumán, Argentina
| | - Dema Ramlaoui
- Center for Applied Biotechnology Studies, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton (CSUF) Fullerton, CA, United States of America
| | - Briea Gasca
- Center for Applied Biotechnology Studies, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton (CSUF) Fullerton, CA, United States of America
| | - Adiba Azis
- Center for Applied Biotechnology Studies, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton (CSUF) Fullerton, CA, United States of America
| | - Camila Leal
- Centro de Referencia para Lactobacilos (CERELA), CONICET, Tucumán, Argentina
| | - Christina Lopez
- Center for Applied Biotechnology Studies, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton (CSUF) Fullerton, CA, United States of America
| | - Vyanka Merzcord
- Center for Applied Biotechnology Studies, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton (CSUF) Fullerton, CA, United States of America
| | - Kirsten S. McManus
- Department of Chemistry and Biochemistry, College of Natural Science and Mathematics, CSUF, Fullerton, CA, United States of America
| | - Jasmin Jo
- Department of Chemistry and Biochemistry, College of Natural Science and Mathematics, CSUF, Fullerton, CA, United States of America
| | - Silvia I. Cazorla
- Centro de Referencia para Lactobacilos (CERELA), CONICET, Tucumán, Argentina
| | - Tomás Subils
- Instituto de Procesos Biotecnológicos y Químicos de Rosario (IPROBYQ, CONICET-UNR), Rosario, Argentina
| | - Marisel R. Tuttobene
- Instituto de Biología Molecular y Celular de Rosario (IBR, CONICET-UNR), Rosario, Argentina
| | - Nicholas T. Salzameda
- Department of Chemistry and Biochemistry, College of Natural Science and Mathematics, CSUF, Fullerton, CA, United States of America
| | - Robert A. Bonomo
- Research Service and GRECC, Louis Stokes Cleveland Department of Veterans Affairs Medical Center, Cleveland, OH, United States of America
- Departments of Medicine, Pharmacology, Molecular Biology and Microbiology, Biochemistry, Proteomics and Bioinformatics, Case Western Reserve University School of Medicine, Cleveland, OH, United States of America
- CWRU-Cleveland VAMC Center for Antimicrobial Resistance and Epidemiology (Case VA CARES), Cleveland, OH, United States of America
| | - Luis A. Actis
- Department of Microbiology, Miami University, Oxford, OH, United States of America
| | - Raúl Raya
- Centro de Referencia para Lactobacilos (CERELA), CONICET, Tucumán, Argentina
| | - María Soledad Ramirez
- Center for Applied Biotechnology Studies, Department of Biological Science, College of Natural Sciences and Mathematics, California State University Fullerton (CSUF) Fullerton, CA, United States of America
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Witteveen S, Hans JB, Izdebski R, Hasman H, Samuelsen Ø, Dortet L, Pfeifer Y, Delappe N, Oteo-Iglesias J, Żabicka D, Cormican M, Sandfort M, Reichert F, Pöntinen AK, Fischer MA, Verkaik N, Pérez-Vazquez M, Pfennigwerth N, Hammerum AM, Hallstrøm S, Biedrzycka M, Räisänen K, Wielders CC, Urbanowicz P, de Haan A, Westmo K, Landman F, van der Heide HG, Lansu S, Zwittink RD, Notermans DW, Guzek A, Kondratiuk V, Salmanov A, Haller S, Linkevicius M, Gatermann S, Kohlenberg A, Gniadkowski M, Werner G, Hendrickx AP. Dissemination of extensively drug-resistant NDM-producing Providencia stuartii in Europe linked to patients transferred from Ukraine, March 2022 to March 2023. Euro Surveill 2024; 29:2300616. [PMID: 38847120 PMCID: PMC11158010 DOI: 10.2807/1560-7917.es.2024.29.23.2300616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Accepted: 03/20/2024] [Indexed: 06/09/2024] Open
Abstract
BackgroundThe war in Ukraine led to migration of Ukrainian people. Early 2022, several European national surveillance systems detected multidrug-resistant (MDR) bacteria related to Ukrainian patients.AimTo investigate the genomic epidemiology of New Delhi metallo-β-lactamase (NDM)-producing Providencia stuartii from Ukrainian patients among European countries.MethodsWhole-genome sequencing of 66 isolates sampled in 2022-2023 in 10 European countries enabled whole-genome multilocus sequence typing (wgMLST), identification of resistance genes, replicons, and plasmid reconstructions. Five bla NDM-1-carrying-P. stuartii isolates underwent antimicrobial susceptibility testing (AST). Transferability to Escherichia coli of a bla NDM-1-carrying plasmid from a patient strain was assessed. Epidemiological characteristics of patients with NDM-producing P. stuartii were gathered by questionnaire.ResultswgMLST of the 66 isolates revealed two genetic clusters unrelated to Ukraine and three linked to Ukrainian patients. Of these three, two comprised bla NDM-1-carrying-P. stuartii and the third bla NDM-5-carrying-P. stuartii. The bla NDM-1 clusters (PstCluster-001, n = 22 isolates; PstCluster-002, n = 8 isolates) comprised strains from seven and four countries, respectively. The bla NDM-5 cluster (PstCluster-003) included 13 isolates from six countries. PstCluster-001 and PstCluster-002 isolates carried an MDR plasmid harbouring bla NDM-1, bla OXA-10, bla CMY-16, rmtC and armA, which was transferrable in vitro and, for some Ukrainian patients, shared by other Enterobacterales. AST revealed PstCluster-001 isolates to be extensively drug-resistant (XDR), but susceptible to cefiderocol and aztreonam-avibactam. Patients with data on age (n = 41) were 19-74 years old; of 49 with information on sex, 38 were male.ConclusionXDR P. stuartii were introduced into European countries, requiring increased awareness and precautions when treating patients from conflict-affected areas.
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Affiliation(s)
- Sandra Witteveen
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Jörg B Hans
- German National Reference Centre for Multidrug-Resistant Gram-Negative Bacteria, Department of Medical Microbiology, Ruhr-University Bochum, Bochum, Germany
- Department for Infectious Disease Epidemiology, Robert Koch Institute, Berlin, Germany
| | - Radosław Izdebski
- Departement of Molecular Microbiology, National Medicines Institute, Warsaw, Poland
| | - Henrik Hasman
- National Reference Laboratory for Antimicrobial Resistance, Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Ørjan Samuelsen
- Norwegian National Advisory Unit on Detection of Antimicrobial Resistance, Department of Microbiology and Infection Control, University Hospital of North Norway, Tromsø, Norway
- Department of Pharmacy, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway
| | - Laurent Dortet
- French National Reference Center for Antimicrobial Resistance, INSERM UMR 1184, Paris-Saclay University, Bicêtre Hospital, Assistance Publique des Hôpitaux de Paris, Paris, France
| | - Yvonne Pfeifer
- Division of Nosocomial Pathogens and Antibiotic Resistances, Department of Infectious Diseases, Robert Koch Institute, Wernigerode Branch, Wernigerode, Germany
| | | | - Jesús Oteo-Iglesias
- Reference and Research Laboratory on Antibiotic Resistance of the National Center for Microbiology and CIBERINFEC, Instituto de Salud Carlos III, Madrid, Spain
| | - Dorota Żabicka
- Departement of Epidemiology and Clinical Microbiology, National Medicines Institute, Warsaw, Poland
| | | | - Mirco Sandfort
- Department for Infectious Disease Epidemiology, Robert Koch Institute, Berlin, Germany
| | - Felix Reichert
- Department for Infectious Disease Epidemiology, Robert Koch Institute, Berlin, Germany
| | - Anna K Pöntinen
- Department of Biostatistics, Faculty of Medicine, University of Oslo, Oslo, Norway
- Norwegian National Advisory Unit on Detection of Antimicrobial Resistance, Department of Microbiology and Infection Control, University Hospital of North Norway, Tromsø, Norway
| | - Martin A Fischer
- Division of Nosocomial Pathogens and Antibiotic Resistances, Department of Infectious Diseases, Robert Koch Institute, Wernigerode Branch, Wernigerode, Germany
| | - Nelianne Verkaik
- Department of Medical Microbiology and Infectious Diseases, Erasmus University Medical Center, Rotterdam, the Netherlands
| | - María Pérez-Vazquez
- Reference and Research Laboratory on Antibiotic Resistance of the National Center for Microbiology and CIBERINFEC, Instituto de Salud Carlos III, Madrid, Spain
| | - Niels Pfennigwerth
- German National Reference Centre for Multidrug-Resistant Gram-Negative Bacteria, Department of Medical Microbiology, Ruhr-University Bochum, Bochum, Germany
| | - Anette M Hammerum
- National Reference Laboratory for Antimicrobial Resistance, Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Søren Hallstrøm
- National Reference Laboratory for Antimicrobial Resistance, Department of Bacteria, Parasites and Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Marta Biedrzycka
- Departement of Molecular Microbiology, National Medicines Institute, Warsaw, Poland
| | - Kati Räisänen
- Department of Health Security, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Cornelia Ch Wielders
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Paweł Urbanowicz
- Departement of Molecular Microbiology, National Medicines Institute, Warsaw, Poland
| | - Angela de Haan
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Karin Westmo
- Department of Microbiology, Public Health Agency of Sweden, Solna, Sweden
| | - Fabian Landman
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Han Gj van der Heide
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Simon Lansu
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Romy D Zwittink
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Daan W Notermans
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - Aneta Guzek
- Department of Laboratory Diagnostics, Section of Microbiology, Military Institute of Medicine - National Research Institute, Warsaw, Poland
| | | | - Aidyn Salmanov
- Shupyk National Healthcare University of Ukraine, Kyiv, Ukraine
| | - Sebastian Haller
- Department for Infectious Disease Epidemiology, Robert Koch Institute, Berlin, Germany
| | - Marius Linkevicius
- European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden
| | - Sören Gatermann
- German National Reference Centre for Multidrug-Resistant Gram-Negative Bacteria, Department of Medical Microbiology, Ruhr-University Bochum, Bochum, Germany
| | - Anke Kohlenberg
- European Centre for Disease Prevention and Control (ECDC), Stockholm, Sweden
| | - Marek Gniadkowski
- Departement of Molecular Microbiology, National Medicines Institute, Warsaw, Poland
| | - Guido Werner
- Division of Nosocomial Pathogens and Antibiotic Resistances, Department of Infectious Diseases, Robert Koch Institute, Wernigerode Branch, Wernigerode, Germany
| | - Antoni Pa Hendrickx
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
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Bocanegra-Ibarias P, Duran-Bedolla J, Silva-Sánchez J, Garza-Ramos U, Sánchez-Pérez A, Garza-Gonzáles E, Morfín-Otero R, Barrios-Camacho H. Identification of Providencia spp. clinical isolates co-producing carbapenemases IMP-27, OXA-24, and OXA-58 in Mexico. Diagn Microbiol Infect Dis 2024; 109:116246. [PMID: 38452556 DOI: 10.1016/j.diagmicrobio.2024.116246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 01/20/2024] [Accepted: 03/04/2024] [Indexed: 03/09/2024]
Abstract
Providencia rettgeri, belonging to the genus Providencia, had gained significant interest due to its increasing prevalence as a common pathogen responsible for healthcare-associated infections in hospitals. P. rettgeri isolates producing carbapenemases have been reported to reduce the efficiency of carbapenems in clinical antimicrobial therapy. However, coexistence with other resistance determinants is rarely reported. The goal of this study was the molecular characterization of carbapenemase-producing Providencia spp. clinical isolates. Among 23 Providencia spp. resistant to imipenem, 21 were positive to blaNDM-1; one positive to blaNDM-1 and blaOXA-58 like; and one isolate co-producing blaIMP-27, blaOXA-24/40 like, and blaOXA-58 like were identified. We observed a low clonal relationship, and the incompatibility groups Col3M and ColRNAI were identified in the plasmid harboring blaNDM-1. We report for the first time a P. rettgeri strain co-producing blaIMP-27, blaOXA-24-like, and blaOXA-58 like. The analysis of these resistance mechanisms in carbapenemase co-producing clinical isolates reflects the increased resistance.
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Affiliation(s)
- Paola Bocanegra-Ibarias
- Facultad de Medicina/Hospital Universitario "Dr. José Eleuterio González", Servicio de Infectología, Universidad Autónoma de Nuevo León, Monterrey, México
| | - Josefina Duran-Bedolla
- Departamento de Diagnóstico Epidemiológico, Instituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Av. Universidad # 655, Col. Sta. Ma. Ahuacatitlán. C.P. 62100, Morelos, Cuernavaca, México
| | - Jesús Silva-Sánchez
- Departamento de Diagnóstico Epidemiológico, Instituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Av. Universidad # 655, Col. Sta. Ma. Ahuacatitlán. C.P. 62100, Morelos, Cuernavaca, México
| | - Ulises Garza-Ramos
- Departamento de Diagnóstico Epidemiológico, Instituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Av. Universidad # 655, Col. Sta. Ma. Ahuacatitlán. C.P. 62100, Morelos, Cuernavaca, México
| | - Alejandro Sánchez-Pérez
- Departamento de Diagnóstico Epidemiológico, Instituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Av. Universidad # 655, Col. Sta. Ma. Ahuacatitlán. C.P. 62100, Morelos, Cuernavaca, México
| | - Elvira Garza-Gonzáles
- Facultad de Medicina/Hospital Universitario "Dr. José Eleuterio González", Laboratorio de Microbiología Molecular, Departamento de Bioquímica y Medicina Molecular, Universidad Autónoma de Nuevo León, Monterrey, México
| | - Rayo Morfín-Otero
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud, Hospital Civil de Guadalajara "Fray Antonio Alcalde" e Instituto de Patología Infecciosa y Experimental, Guadalajara, México
| | - Humberto Barrios-Camacho
- Departamento de Diagnóstico Epidemiológico, Instituto Nacional de Salud Pública (INSP), Centro de Investigación Sobre Enfermedades Infecciosas (CISEI), Av. Universidad # 655, Col. Sta. Ma. Ahuacatitlán. C.P. 62100, Morelos, Cuernavaca, México.
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Wang P, Li C, Yin Z, Jiang X, Li X, Mu X, Wu N, Chen F, Zhou D. Genomic epidemiology and heterogeneity of Providencia and their blaNDM-1-carrying plasmids. Emerg Microbes Infect 2023; 12:2275596. [PMID: 37874004 PMCID: PMC10796120 DOI: 10.1080/22221751.2023.2275596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 10/19/2023] [Indexed: 10/25/2023]
Abstract
Providencia as an opportunistic pathogen can cause serious infection, and moreover the emergence of multi-drug-resistant Providencia strains poses a potentially life-threatening risk to public health. However, a comprehensive genomic study to reveal the population structure and dissemination of Providencia is still lacking. In this study, we conducted a genomic epidemiology analysis on the 580 global sequenced Providencia isolates, including 257 ones sequenced in this study (42 ones were fully sequenced). We established a genome sequence-based species classification scheme for Providencia, redefining the conventional 11 Providencia species into seven genocomplexes that were further divided into 18 genospecies, providing an extensively updated reference for Providencia species discrimination based on the largest Providencia genome dataset to date. We then dissected the profile of antimicrobial resistance genes and the prevalence of multi-drug-resistant Providencia strains among these genocomplexes/genospecies, disclosing the presence of diverse and abundant antimicrobial resistance genes and high resistance ratios against multiple classes of drugs in Providencia. We further dissected the genetic basis for the spread of blaNDM-1 in Providencia. blaNDM-1 genes were mainly carried by five incompatible (Inc) groups of plasmids: IncC, IncW, IncpPROV114-NR, IncpCHS4.1-3, and IncpPrY2001, and the last three were newly designated in this study. By tracking the spread of blaNDM-1-carrying plasmids, IncC, IncpPROV114-NR, IncpCHS4.1-3, and IncpPrY2001 plasmids were found to be highly involved in parallel horizontal transfer or vertical clonal expansion of blaNDM-1 among Providencia. Overall, our study provided a comprehensive genomic view of species differentiation, antimicrobial resistance prevalence, and plasmid-mediated blaNDM-1 dissemination in Providencia.
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Affiliation(s)
- Peng Wang
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
| | - Cuidan Li
- CAS Key Laboratory of Genome Sciences & Information, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, People’s Republic of China
| | - Zhe Yin
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
| | - Xiaoyuan Jiang
- CAS Key Laboratory of Genome Sciences & Information, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, People’s Republic of China
| | - Xinyue Li
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
| | - Xiaofei Mu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
| | - Nier Wu
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
| | - Fei Chen
- CAS Key Laboratory of Genome Sciences & Information, Beijing Institute of Genomics, Chinese Academy of Sciences and China National Center for Bioinformation, Beijing, People’s Republic of China
- University of Chinese Academy of Sciences, Beijing, People’s Republic of China
- State Key Laboratory of Pathogenesis, Prevention and Treatment of High Incidence Diseases in Central Asia, Urumqi, Xinjiang, People’s Republic of China
| | - Dongsheng Zhou
- State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, People’s Republic of China
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5
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Guan J, Zhou W, Guo J, Zheng L, Lu G, Hua F, Liu M, Ji X, Sun Y, Zhu L, Guo X. A Wohlfahrtiimonas chitiniclastica with a novel type of blaVEB-1-carrying plasmid isolated from a zebra in China. Front Microbiol 2023; 14:1276314. [PMID: 38029080 PMCID: PMC10656743 DOI: 10.3389/fmicb.2023.1276314] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
Background Wohlfahrtiimonas chitiniclastica is an emerging fly-borne zoonotic pathogen, which causes infections in immunocompromised patients and some animals. Herein, we reported a W. chitiniclastica BM-Y from a dead zebra in China. Methods The complete genome sequencing of BM-Y showed that this isolate carried one chromosome and one novel type of blaVEB-1-carrying plasmid. Detailed genetic dissection was applied to this plasmid to display the genetic environment of blaVEB-1. Results Three novel insertion sequence (IS) elements, namely ISWoch1, ISWoch2, and ISWoch3, were found in this plasmid. aadB, aacA1, and gcuG were located downstream of blaVEB-1, composing a gene cassette array blaVEB-1-aadB-aacA1-gcuG bracketed by an intact ISWoch1 and a truncated one, which was named the blaVEB-1 region. The 5'-RACE experiments revealed that the transcription start site of the blaVEB-1 region was located in the intact ISWoch1 and this IS provided a strong promoter for the blaVEB-1 region. Conclusion The spread of the blaVEB-1-carrying plasmid might enhance the ability of W. chitiniclastica to survive under drug selection pressure and aggravate the difficulty in treating infections caused by blaVEB-1-carrying W. chitiniclastica. To the best of our knowledge, this is the first report of the genetic characterization of a novel blaVEB-1-carrying plasmid with new ISs from W. chitiniclastica.
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Affiliation(s)
- Jiayao Guan
- College of Veterinary Medicine, Jilin Agricultural University, Changchun, China
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Wei Zhou
- Center for Animal Disease Control and Prevention of Ordos, Ordos, China
| | - Jingyi Guo
- The Second Hospital of Jilin University, Jilin University, Changchun, China
| | - Lin Zheng
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Gejin Lu
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Fuyou Hua
- Shenzhen Safari Park, Shenzhen, China
| | - Mingwei Liu
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Xue Ji
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Yang Sun
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Lingwei Zhu
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
| | - Xuejun Guo
- Key Laboratory of Jilin Province for Zoonosis Prevention and Control, Changchun Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Changchun, China
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Guidone GHM, Cardozo JG, Silva LC, Sanches MS, Galhardi LCF, Kobayashi RKT, Vespero EC, Rocha SPD. Epidemiology and characterization of Providencia stuartii isolated from hospitalized patients in southern Brazil: a possible emerging pathogen. Access Microbiol 2023; 5:000652.v4. [PMID: 37970084 PMCID: PMC10634494 DOI: 10.1099/acmi.0.000652.v4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 10/08/2023] [Indexed: 11/17/2023] Open
Abstract
This study aimed to characterize the virulence factors and antimicrobial resistance of Providencia stuartii , an opportunistic pathogen that causes human infections. We examined 45 isolates of P. stuartii both genotypically and phenotypically by studying their adherence to HeLa cells, biofilm formation, cytotoxicity and antimicrobial resistance, and analysed their genomes for putative virulence and resistance genes. This study found that most isolates possessed multiple virulence genes, including fimA, mrkA, fptA, iutA, ireA and hlyA, and were cytotoxic to Vero cells. All the isolates were resistant to amoxicillin plus clavulanic acid, levofloxacin and sulfamethoxazole plus trimethoprim, and most were resistant to ceftriaxone and cefepime. All isolates harboured extended-spectrum beta-lactamase coding genes such as bla CTX-M-2 and 23/45(51.11 %) of them also harboured bla CTX-M-9. The gene KPC-2 (carbapenemase) was detected in 8/45(17.77 %) isolates. This study also found clonality among the isolates, indicating the possible spread of the pathogen among patients at the hospital. These results have significant clinical and epidemiological implications and emphasize the importance of a continued understanding of the virulence and antimicrobial resistance of this pathogen for the prevention and treatment of future infections.
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Affiliation(s)
| | - Jennifer Germiniani Cardozo
- Laboratory of Basic and Applied Bacteriology, Department of Microbiology, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
| | - Luana Carvalho Silva
- Laboratory of Bacteriology, Department of Microbiology, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
| | - Matheus Silva Sanches
- Laboratory of Bacteriology, Department of Microbiology, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
| | - Ligia Carla Faccin Galhardi
- Virology Laboratory, Department of Microbiology, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
| | - Renata Katsuko Takayama Kobayashi
- Laboratory of Basic and Applied Bacteriology, Department of Microbiology, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
| | - Eliana Carolina Vespero
- Department of Pathology, Clinical and Toxicological Analysis, Health Sciences Center, University Hospital of Londrina, State University of Londrina, Paraná, Brazil
| | - Sergio Paulo Dejato Rocha
- Laboratory of Bacteriology, Department of Microbiology, Center of Biological Sciences, State University of Londrina, Londrina, Brazil
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7
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Silva SMDA, Ramos BA, Sá RAQCDE, Silva MVDA, Correia MTS, Oliveira MBMDE. Investigation of factors related to biofilm formation in Providencia stuartii. AN ACAD BRAS CIENC 2022; 94:e20210765. [PMID: 36074405 DOI: 10.1590/0001-3765202220210765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 11/18/2021] [Indexed: 11/22/2022] Open
Abstract
Providencia stuartii is one of the Enterobacteriaceae species of medical importance commonly associated with urinary infections, which can also cause other ones, including uncommon ones, such as liver abscess and septic vasculitis. This bacterium stands out in the expression of intrinsic and acquired resistance to antimicrobials. Besides, it uses mechanisms such as biofilm for its persistence in biotic and abiotic environments. This study investigated the cellular hydrophobicity profile of clinical isolates of P. stuartii. It also analyzed genes related to the fimbrial adhesin in this species comparing with other reports described for other bacteria from Enterobacteriaceae family. The investigated isolates to form biofilm and had a practically hydrophilic cell surface profile. However, fimH and mrkD genes were not found in P. stuartii, unlike observed in other species of Enterobacteriaceae. These results show that P. stuartii has specificities regarding its potential for biofilm formation, which makes it difficult to destabilize the infectious process and increases the permanence of this pathogen in hospital units.
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Affiliation(s)
- Sivoneide M DA Silva
- Universidade Federal de Pernambuco, Centro de Biociências, Departamento de Bioquímica, Av. Prof. Moraes Rego, 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | - Bárbara A Ramos
- Universidade Federal de Pernambuco, Centro de Biociências, Departamento de Bioquímica, Av. Prof. Moraes Rego, 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | - Rafael A Q C DE Sá
- Universidade Federal de Pernambuco, Centro de Biociências, Departamento de Bioquímica, Av. Prof. Moraes Rego, 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | - Márcia V DA Silva
- Universidade Federal de Pernambuco, Centro de Biociências, Departamento de Bioquímica, Av. Prof. Moraes Rego, 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | - Maria T S Correia
- Universidade Federal de Pernambuco, Centro de Biociências, Departamento de Bioquímica, Av. Prof. Moraes Rego, 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
| | - Maria B M DE Oliveira
- Universidade Federal de Pernambuco, Centro de Biociências, Departamento de Bioquímica, Av. Prof. Moraes Rego, 1235, Cidade Universitária, 50670-901 Recife, PE, Brazil
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8
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Feng C, Gao M, Jiang W, Shi W, Li A, Liu S, Zhang L, Zhang X, Li Q, Lin H, Lu J, Li K, Zhang H, Hu Y, Bao Q, Lin X. Identification of a novel aminoglycoside O-nucleotidyltransferase AadA33 in Providencia vermicola. Front Microbiol 2022; 13:990739. [PMID: 36177473 PMCID: PMC9513248 DOI: 10.3389/fmicb.2022.990739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Accepted: 08/19/2022] [Indexed: 11/25/2022] Open
Abstract
A novel chromosome-encoded aminoglycoside O-nucleotidyltransferase AadA33 was identified in Providencia vermicola strain P13. The AadA33 shares the highest amino acid identity of 51.28% with the function characterized AadA31. Antibiotic susceptibility testing and enzyme kinetics analysis revealed that the function of AadA33 is to mediate spectinomycin and streptomycin resistance. The recombinant strain harboring aadA33 (pUCP20-aadA33/Escherichia coli DH5α) displayed >256- and 128-fold increases in the minimum inhibitory concentration levels to spectinomycin and streptomycin, respectively, compared with the control strains pUCP20/DH5α. Enzyme kinetic parameters manifested the substrate of AadA33 including spectinomycin and streptomycin, with kcat/Km of 3.28 × 104 (M−1 s−1) and 3.37 × 104 (M−1 s−1), respectively. Bioinformatics analysis revealed its structural mechanism of antimicrobial resistance, genetic context, and phylogenetic relationship with other aminoglycoside O-nucleotidyltransferases. This study of AadA33 contributed to understanding the function and resistance mechanism of aminoglycoside O-nucleotidyltransferase.
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Affiliation(s)
- Chunlin Feng
- The Second Affiliated Hospital and Yuying Children’s Hospital, Wenzhou Medical University, Wenzhou, China
- Key Laboratory of Medical Genetics of Zhejiang Province, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Mengdi Gao
- Key Laboratory of Medical Genetics of Zhejiang Province, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Weiyan Jiang
- The Second Affiliated Hospital and Yuying Children’s Hospital, Wenzhou Medical University, Wenzhou, China
| | - Weina Shi
- Key Laboratory of Medical Genetics of Zhejiang Province, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Anqi Li
- Key Laboratory of Medical Genetics of Zhejiang Province, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Shuang Liu
- Key Laboratory of Medical Genetics of Zhejiang Province, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Lei Zhang
- Key Laboratory of Medical Genetics of Zhejiang Province, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Xueya Zhang
- The Second Affiliated Hospital and Yuying Children’s Hospital, Wenzhou Medical University, Wenzhou, China
| | - Qiaoling Li
- The Second Affiliated Hospital and Yuying Children’s Hospital, Wenzhou Medical University, Wenzhou, China
| | - Hailong Lin
- The Second Affiliated Hospital and Yuying Children’s Hospital, Wenzhou Medical University, Wenzhou, China
| | - Junwan Lu
- Key Laboratory of Medical Genetics of Zhejiang Province, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
- Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, Jinhua, China
| | - Kewei Li
- Key Laboratory of Medical Genetics of Zhejiang Province, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
| | - Hailin Zhang
- The Second Affiliated Hospital and Yuying Children’s Hospital, Wenzhou Medical University, Wenzhou, China
| | - Yunliang Hu
- The Second Affiliated Hospital and Yuying Children’s Hospital, Wenzhou Medical University, Wenzhou, China
| | - Qiyu Bao
- The Second Affiliated Hospital and Yuying Children’s Hospital, Wenzhou Medical University, Wenzhou, China
- Key Laboratory of Medical Genetics of Zhejiang Province, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
- Medical Molecular Biology Laboratory, School of Medicine, Jinhua Polytechnic, Jinhua, China
- *Correspondence: Qiyu Bao,
| | - Xi Lin
- The Second Affiliated Hospital and Yuying Children’s Hospital, Wenzhou Medical University, Wenzhou, China
- Key Laboratory of Medical Genetics of Zhejiang Province, Key Laboratory of Laboratory Medicine, Ministry of Education, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China
- Xi Lin,
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Alneama RT, Al-Massody AJ, Mahmud BM, Ghasemian A. The existence and expression of aminoglycoside resistance genes among multidrug-resistant Escherichia coli isolates in intensive care unit centers. GENE REPORTS 2021. [DOI: 10.1016/j.genrep.2021.101315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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10
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Identification of Carbapenemase within Class 1 Integron Structure in Intrinsically Colistin-resistant Enterobacteriaceae. JOURNAL OF MEDICAL MICROBIOLOGY AND INFECTIOUS DISEASES 2021. [DOI: 10.52547/jommid.9.4.203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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11
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Abstract
Abstract
Introduction: Resistance to first-line antibiotics of the Proteeae strains within the difficult-to-treat (DTR) phenotype is a cause of limitation of therapeutic options. The study aimed to characterize these strains, to identify the factors that influence their acquisition and the predictive factors for the patient’s evolution.
Material and methods: Between July 2017 and January 2019, 400 of Proteeae strains were isolated from samples of patients admitted to intensive care units (ICUs) and surgical wards of a university hospital in Romania. The identification and testing of antibiotic sensitivity was performed using the Vitek 2 Compact system. The DTR phenotype was defined as the resistance (or intermediate resistance) to all categories of β-lactams, carbapenems and fluoroquinolones.
Results: Out of 400 Proteeae strains, 21% were of the DTR type, most of them from the species Providencia stuartii and Proteus mirabilis, identified predominantly on the ICUs. The excess fatality in the DTR subsample compared to the non-DTR subsample was 16.37%. The multivariate analysis identified as independent risk factors: the number of antibiotics administered, the number of days of urinary catheterization, the presence of tracheostomy, nasogastric nutrition, respectively belonging to the species P. stuartii. The probabilities of survival were reduced by the presence of the central venous catheter (CVC), tracheostomy, by the increase of the number of hospitalization days respectively of the number of antibiotics administered.
Conclusion: The DTR phenotype in the case of Proteeae strains has been associated especially with the species P. stuartii, with invasive exogenous factors and with an increased fatality.
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Rus M, Licker M, Musuroi C, Seclaman E, Muntean D, Cirlea N, Tamas A, Vulpie S, Horhat FG, Baditoiu L. Distribution of NDM1 Carbapenemase-Producing Proteeae Strains on High-Risk Hospital Wards. Infect Drug Resist 2020; 13:4751-4761. [PMID: 33408490 PMCID: PMC7781034 DOI: 10.2147/idr.s280977] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 11/11/2020] [Indexed: 12/31/2022] Open
Abstract
Background Carbapenem-resistant Proteeae (CRP) is a group of multidrug-resistant (MDR) microorganisms that raise special treatment problems due to their intrinsic resistance to colistin. In this study, our aim is to provide a phenotypic and molecular characterization of the carbapenemases secreted by CRP strains isolated from inpatients from an intensive care unit (ICU) and surgical wards, as well as the identification of the risk factors involved in their acquisition. Methods An observational, cross-sectional study was performed which included all Proteeae strains isolated in samples from inpatients on high-risk wards of the largest university hospital in Western Romania, from July 2017 to April 2019. Meropenem-resistant strains (N=65) with MIC ≥16 µg/mL were subjected to a singleplex PCR assay for the detection of blaNDM, blaVIM and blaCTX-M genes. The analysis of risk factors was performed by logistic regression. Results Out of 8317 samples that were processed, 400 Proteeae strains were isolated: 64% belonging to the genus Proteus, 26.75% to the genus Providencia and 9.25% to the genus Morganella. Most CRP strains (N=56) were of MBL type, and 55 had the blaNDM gene as the prevalent gene substrate. P. stuartii was the main species that provided the circulating MDR strains. Most CRP strains came from patients admitted to ICU, being isolated mainly from bronchial aspirates and blood cultures. Multivariate analysis revealed 3 independent risk factors – mechanical ventilation>96h (HR: 40.51 [13.65–120.25], p <0.001), tracheostomy (HR: 2.65 [1.14–6.17], p = 0.024) and prolonged antibiotic therapy (HR: 1.01 [1.00–1.02], p = 0.03). Conclusion There is a significant increase in the incidence of CR P. stuartii strains, the MBL-blaNDM type being predominant. These strains presented various other resistance mechanisms, being often extremely difficult to treat and led to an excess of lethality of 27.16%.
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Affiliation(s)
- Maria Rus
- Department of Microbiology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.,"Pius Brinzeu" County Clinical Emergency Hospital, Timisoara, Romania
| | - Monica Licker
- Department of Microbiology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.,"Pius Brinzeu" County Clinical Emergency Hospital, Timisoara, Romania.,Multidisciplinary Research Center on Antimicrobial Resistance, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Corina Musuroi
- "Pius Brinzeu" County Clinical Emergency Hospital, Timisoara, Romania
| | - Edward Seclaman
- Department of Biochemistry, "Victor Babeş" University of Medicine and Pharmacy, Timişoara, Romania
| | - Delia Muntean
- Department of Microbiology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.,"Pius Brinzeu" County Clinical Emergency Hospital, Timisoara, Romania.,Multidisciplinary Research Center on Antimicrobial Resistance, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Natalia Cirlea
- "Pius Brinzeu" County Clinical Emergency Hospital, Timisoara, Romania
| | - Alina Tamas
- "Pius Brinzeu" County Clinical Emergency Hospital, Timisoara, Romania
| | - Silvana Vulpie
- "Pius Brinzeu" County Clinical Emergency Hospital, Timisoara, Romania
| | - Florin George Horhat
- Department of Microbiology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.,Multidisciplinary Research Center on Antimicrobial Resistance, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Luminita Baditoiu
- Multidisciplinary Research Center on Antimicrobial Resistance, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania.,Department of Epidemiology, "Victor Babeş" University of Medicine and Pharmacy, Timişoara, Romania
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13
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Liu J, Wang R, Fang M. Clinical and drug resistance characteristics of Providencia stuartii infections in 76 patients. J Int Med Res 2020; 48:300060520962296. [PMID: 33081537 PMCID: PMC7588764 DOI: 10.1177/0300060520962296] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
OBJECTIVES To investigate the clinical and drug resistance characteristics of Providencia stuartii infections in the Huainan region of Anhui and provide a reference for the clinical selection of antimicrobial agents. METHODS This single-center retrospective analysis included 76 patients with P. stuartii infection in Huainan during the period from October 2018 to March 2020. The hospital department in which the patients were treated and the drug susceptibility characteristics of the P. stuartii isolates were recorded. RESULTS Among the 76 patients, the lung was the most common site of infection, and intensive care unit was the main hospital department. Extended spectrum beta-lactamase screening revealed expression by all 76 isolates of P. stuartii. Of the 76 isolates, 92.1% exhibited multiple drug resistance or extensive drug resistance. P. stuartii isolates were sensitive to cefepime and imipenem, but not to other beta-lactam antibiotics. Twenty isolates were resistant to all 21 types of antibiotics. Of the 20 patients infected with extensively drug-resistant isolates, nine (45%) died. CONCLUSIONS Drug resistance is increasing in P. stuartii. The antimicrobial agent imipenem may be effective for treatment of P. stuartii infections. Fluoroquinolones, aminoglycosides, and fourth-generation cephalosporins are suitable options for antibiotic therapy.
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Affiliation(s)
- Jiachang Liu
- Department of Respiratory Medicine, First Affiliated Hospital of Anhui University of Science & Technology, Huainan, China
| | - Ruikai Wang
- Department of Respiratory Medicine, First Affiliated Hospital of Anhui University of Science & Technology, Huainan, China
| | - Ming Fang
- Department of Respiratory Medicine, First Affiliated Hospital of Anhui University of Science & Technology, Huainan, China
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14
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Hoard A, Montaña S, Moriano A, Fernandez JS, Traglia GM, Quiroga C, Franchi A, Cohen E, Corigliano C, Almuzara M, Ramirez MS. Genomic Analysis of two NDM-1 Providencia stuartii Strains Recovered from a Single Patient. Curr Microbiol 2020; 77:4029-4036. [PMID: 33048176 DOI: 10.1007/s00284-020-02242-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Accepted: 10/01/2020] [Indexed: 12/18/2022]
Abstract
In the last years, an increasing number of untreatable infections caused by drug-resistant microbes have impacted the health care system. Worldwide, infections caused by carbapenem-resistant (CR) Gram-negative bacilli have dramatically increased. Among the CR-Gram-negative bacilli, those producing carbapenemases, such as NDM-1, are the main concern. Different Enterobacterales harboring NDM-1 have been reported lately. Providencia stuartii, a member of the Morganellaceae family, is ubiquitous in the environment, but is also known to cause nosocomial infections. Here we describe the genomic analysis of two NDM-1- producing P. stuartii strains recovered from the same patient as well as other carbapenem resistant strains recovered from the same hospital. As a result of the genomic analysis thirteen resistance genes, including three to β-lactams (blaOXA-1, blaTEM-1, blaNDM-1), four to aminoglycosides (aphA6, aac(3)-IId, aac(2')-Ia, aac(6')-Ib-cr5), one to sulfonamides (sul1), two to chloramphenicol (catB3, catA3), one to rifampicin, one to bleomycin (ble), and one to tetracycline (tet(B)) were found. Moreover, a variety of mobile genetic elements, such as insertion sequences, plasmids and phage- related sequences, were found within P. stuartii genomes. The spread of carbapenem-resistant isolates remains a significant clinical and public health concern. Therefore, we considered that the detection of CR isolates is an essential step in addressing this problem.
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Affiliation(s)
- Amparo Hoard
- Center for Applied Biotechnology Studies, Department of Biological Science, California State University Fullerton, Fullerton, CA, USA
| | - Sabrina Montaña
- Laboratorio de Bacteriología Clínica, Departamento de Bioquímica Clínica, Facultad de Farmacia Y Bioquímica, Hospital de Clínicas José de San Martín, Buenos Aires, Argentina
| | - Alessandro Moriano
- Center for Applied Biotechnology Studies, Department of Biological Science, California State University Fullerton, Fullerton, CA, USA
| | - Jennifer S Fernandez
- Center for Applied Biotechnology Studies, Department of Biological Science, California State University Fullerton, Fullerton, CA, USA
| | - German M Traglia
- Laboratorio de Bacteriología Clínica, Departamento de Bioquímica Clínica, Facultad de Farmacia Y Bioquímica, Hospital de Clínicas José de San Martín, Buenos Aires, Argentina
| | - Cecilia Quiroga
- Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas Y Tecnológicas, Instituto de Investigaciones en Microbiología Y Parasitología Médica (IMPAM), Facultad de Medicina, Paraguay 2155- C1121ABG, Buenos Aires, Argentina
| | - Agustina Franchi
- Laboratorio de Bacteriologia, Hospital Interzonal de Agudos Eva Perón, Provincia de Buenos Aires, San Martín, Argentina
| | - Emilia Cohen
- Laboratorio de Bacteriologia, Hospital Interzonal de Agudos Eva Perón, Provincia de Buenos Aires, San Martín, Argentina
| | - Cecilia Corigliano
- Laboratorio de Bacteriologia, Hospital Interzonal de Agudos Eva Perón, Provincia de Buenos Aires, San Martín, Argentina
| | - Marisa Almuzara
- Laboratorio de Bacteriologia, Hospital Interzonal de Agudos Eva Perón, Provincia de Buenos Aires, San Martín, Argentina
| | - Maria Soledad Ramirez
- Center for Applied Biotechnology Studies, Department of Biological Science, California State University Fullerton, Fullerton, CA, USA.
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15
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Draft Genome Sequence of a New Delhi Metallo-β-Lactamase (NDM-1)-Producing Providencia stuartii Strain Isolated in Lima, Peru. Microbiol Resour Announc 2020; 9:9/39/e00788-20. [PMID: 32972938 PMCID: PMC7516149 DOI: 10.1128/mra.00788-20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Providencia stuartii is an opportunistic pathogen of the Enterobacteriales order. Here, we report the 4,594,658-bp draft genome sequence of a New Delhi metallo-β-lactamase (NDM-1)-producing Providencia stuartii strain that was isolated from an emergency patient in a private clinic in Lima, Peru. Providencia stuartii is an opportunistic pathogen of the Enterobacteriales order. Here, we report the 4,594,658-bp draft genome sequence of a New Delhi metallo-β-lactamase (NDM-1)-producing Providencia stuartii strain that was isolated from an emergency patient in a private clinic in Lima, Peru.
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16
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Nafplioti K, Souli M, Adamou P, Moraitou E, Giannopoulou P, Chra P, Damala M, Vogiatzakis E, Trikka-Graphakos E, Baka V, Prifti E, Antoniadou A, Galani I. Characterization of 16S rRNA methylase genes in Enterobacterales and Pseudomonas aeruginosa in Athens Metropolitan area, 2015-2016. Eur J Clin Microbiol Infect Dis 2020; 40:111-121. [PMID: 32794063 DOI: 10.1007/s10096-020-04006-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 07/31/2020] [Indexed: 10/23/2022]
Abstract
The aim of this study was to characterize the 16S rRNA methylase (RMT) genes in aminoglycoside-resistant Enterobacterales and Pseudomonas aeruginosa isolates in 2015-2016 in hospitals in Athens, Greece. Single-patient, Gram-negative clinical isolates resistant to both amikacin and gentamicin (n = 292) were consecutively collected during a two-year period (2015-2016) in five tertiary care hospitals in Athens. RMT genes were detected by PCR. In all RMT-producing isolates, ESBL and carbapenemase production was confirmed by PCR, and the clonal relatedness and the plasmid contents were also characterized. None of the 138 P. aeruginosa isolates harbored any of the RMT genes surveyed although some were highly resistant to aminoglycosides (MICs > = 512 mg/L). Among 154 Enterobacterales, 31 Providencia stuartii (93.9%), 42 Klebsiella pneumoniae (37.8%), six Proteus mirabilis (75%), and two Escherichia coli (100%) isolates were confirmed as highly resistant to amikacin, gentamicin, and tobramycin with MICs ≥ 512 mg/L, harboring mainly the rmtB (98.8%). All were carbapenemase producers. P. stuartii, P. mirabilis, and E. coli produced VIM-type carbapenemases. K. pneumoniae produced KPC- (n = 34, 81.0%), OXA-48 (n = 4, 9.5%), KPC- and VIM- (n = 3, 7.1%), or only VIM-type (n = 1, 2.4%) enzymes. Two groups of similar IncC plasmids were detected one harboring rmtB1, blaVEB-1, blaOXA-10, and blaTEM-1, and the other additionally blaVIM-1 and blaSHV-5. Among RMT-producing Enterobacterales, rmtB1 predominated and was associated with carbapenemase-encoding gene(s). Similar IncC plasmids carrying a multiresistant region, including ESBL genes, and in the case of VIM-producing isolates, the blaVIM-1, were responsible for this dissemination. The co-dissemination of these genes poses a public health threat.
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Affiliation(s)
- Konstantina Nafplioti
- 4th Department of Internal Medicine, Infectious Diseases Laboratory, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Maria Souli
- 4th Department of Internal Medicine, Infectious Diseases Laboratory, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Panagiota Adamou
- 4th Department of Internal Medicine, Infectious Diseases Laboratory, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Eleni Moraitou
- Department of Clinical Microbiology, Sotiria General Hospital of Chest Diseases, Athens, Greece
| | | | - Paraskevi Chra
- Microbiology Department, Korgialenio Benakio Hellenic Red Cross Hospital, Athens, Greece
| | - Maria Damala
- Microbiology Department, "Alexandra" General Hospital of Athens, Athens, Greece
| | - Evangelos Vogiatzakis
- Department of Clinical Microbiology, Sotiria General Hospital of Chest Diseases, Athens, Greece
| | | | - Vasiliki Baka
- Microbiology Department, Korgialenio Benakio Hellenic Red Cross Hospital, Athens, Greece
| | - Eleni Prifti
- Microbiology Department, "Alexandra" General Hospital of Athens, Athens, Greece
| | - Anastasia Antoniadou
- 4th Department of Internal Medicine, Infectious Diseases Laboratory, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece
| | - Irene Galani
- 4th Department of Internal Medicine, Infectious Diseases Laboratory, National and Kapodistrian University of Athens, School of Medicine, Athens, Greece. .,University General Hospital "ATTIKON", Rimini 1, 124 62, Chaidari, Greece.
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17
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Rowan-Nash AD, Araos R, D'Agata EMC, Belenky P. Antimicrobial Resistance Gene Prevalence in a Population of Patients with Advanced Dementia Is Related to Specific Pathobionts. iScience 2020; 23:100905. [PMID: 32106056 PMCID: PMC7044522 DOI: 10.1016/j.isci.2020.100905] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 01/10/2020] [Accepted: 02/06/2020] [Indexed: 12/12/2022] Open
Abstract
Long-term care facilities are significant reservoirs of antimicrobial-resistant organisms, and patients with advanced dementia are particularly vulnerable to multidrug-resistant organism (MDRO) acquisition and antimicrobial overuse. In this study, we longitudinally examined a group of patients with advanced dementia using metagenomic sequencing. We found significant inter- and intra-subject heterogeneity in microbiota composition, suggesting temporal instability. We also observed a link between the antimicrobial resistance gene density in a sample and the relative abundances of several pathobionts, particularly Escherichia coli, Proteus mirabilis, and Enterococcus faecalis, and used this relationship to predict resistance gene density in samples from additional subjects. Furthermore, we used metagenomic assembly to demonstrate that these pathobionts had higher resistance gene content than many gut commensals. Given the frequency and abundances at which these pathobionts were found in this population and the underlying vulnerability to MDRO of patients with advanced dementia, attention to microbial blooms of these species may be warranted.
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Affiliation(s)
- Aislinn D Rowan-Nash
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02912, USA
| | - Rafael Araos
- Instituto de Ciencias e Innovación en Medicina (ICIM), Facultad de Medicina Clinica Alemana Universidad del Desarrollo, Santiago, Chile; Millenium Nucleus for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago, Chile; Advanced Center for Chronic Diseases (ACCDiS), Facultad de Medicina Clinica Alemana Universidad del Desarrollo, Santiago, Chile
| | - Erika M C D'Agata
- Infectious Diseases Division, Rhode Island Hospital, Warren Alpert Medical School of Brown University, Providence, RI 02903, USA
| | - Peter Belenky
- Department of Molecular Microbiology and Immunology, Brown University, Providence, RI 02912, USA.
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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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19
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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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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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21
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Abdallah M, Alhababi R, Alqudah N, Aldyyat B, Alharthy A. First report of carbapenem-resistant Providencia stuartii in Saudi Arabia. New Microbes New Infect 2018; 26:107-109. [PMID: 30364596 PMCID: PMC6197148 DOI: 10.1016/j.nmni.2018.09.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 09/10/2018] [Accepted: 09/13/2018] [Indexed: 11/02/2022] Open
Abstract
We present the case of 31-year-old man who developed hospital-acquired pneumonia in the intensive care unit. Pathogens were identified to be carbapenem-resistant isolates of Providencia stuartii and Klebsiella pneumoniae. The patient was treated with an extended infusion of double-dose meropenem (targeting the carbapenem-resistant P. stuartii) and colistin (targeting the carbapenem-resistant K. pneumoniae) for 2 weeks. The patient's disease responded well to the prescribed regimen; his chest X-ray became normal, and all other signs of infection subsided. To our knowledge, this is the first description of the emergence of carbapenem-resistant P. stuartii due to AmpC hyperproduction in Saudi Arabia.
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Affiliation(s)
- M Abdallah
- Pharmaceutical Care Services, King Saud Medical City, Riyadh, Saudi Arabia
| | - R Alhababi
- Microbiology Department, King Saud Medical City, Riyadh, Saudi Arabia
| | - N Alqudah
- Prevention and Control of Infection Administration, King Saud Medical City, Riyadh, Saudi Arabia
| | - B Aldyyat
- Pharmacy Department, Dr. Sulaiman Al Habib Hospital (As-Suwaidi), Riyadh, Saudi Arabia
| | - A Alharthy
- Intensive Care Unit, King Saud Medical City, Riyadh, Saudi Arabia
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22
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Abdallah M, Balshi A. First literature review of carbapenem-resistant Providencia. New Microbes New Infect 2018; 25:16-23. [PMID: 29983987 PMCID: PMC6031241 DOI: 10.1016/j.nmni.2018.05.009] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/22/2018] [Accepted: 05/29/2018] [Indexed: 01/22/2023] Open
Abstract
Providencia species are Gram-negative bacteria that belong to the Enterobacteriaceae family. They have intrinsic resistance to colistin and tigecycline, which makes treatment of the multidrug-resistant strains of Providencia challenging. Carbapenem-resistant Providencia species are increasingly reported. In this review, patients' characteristics, resistance mechanisms, treatment and infection control measures of carbapenem-resistant Providencia species in the literature are described.
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Affiliation(s)
- M Abdallah
- Pharmaceutical Care Services, Riyadh, Saudi Arabia
| | - A Balshi
- Intensive Care Unit, King Saud Medical City, Riyadh, Saudi Arabia
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Draft Genome Sequence of Providencia stuartii PS71, a Multidrug-Resistant Strain Associated with Nosocomial Infections in Greece. GENOME ANNOUNCEMENTS 2017; 5:5/12/e00056-17. [PMID: 28336597 PMCID: PMC5364222 DOI: 10.1128/genomea.00056-17] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Providencia stuartii is frequently associated with nosocomial outbreaks and displays intrinsic resistance to many commonly used antimicrobials. We report here the draft genome sequence of a P. stuartii strain carrying acquired resistance genes conferring panresistance to cephalosporins (blaSHV-5 and blaVEB-1), carbapenems (blaVIM-1), and aminoglycosides (rmtB) involved in an outbreak in Greek hospitals.
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Rapid Detection of Carbapenemases in Enterobacteriaceae: Evaluation of the Resist-3 O.K.N. (OXA-48, KPC, NDM) Lateral Flow Multiplexed Assay. J Clin Microbiol 2017; 55:1223-1225. [PMID: 28151407 DOI: 10.1128/jcm.02471-16] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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25
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Liakopoulos A, Mevius D, Ceccarelli D. A Review of SHV Extended-Spectrum β-Lactamases: Neglected Yet Ubiquitous. Front Microbiol 2016; 7:1374. [PMID: 27656166 PMCID: PMC5011133 DOI: 10.3389/fmicb.2016.01374] [Citation(s) in RCA: 119] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2016] [Accepted: 08/19/2016] [Indexed: 12/29/2022] Open
Abstract
β-lactamases are the primary cause of resistance to β-lactams among members of the family Enterobacteriaceae. SHV enzymes have emerged in Enterobacteriaceae causing infections in health care in the last decades of the Twentieth century, and they are now observed in isolates in different epidemiological settings both in human, animal and the environment. Likely originated from a chromosomal penicillinase of Klebsiella pneumoniae, SHV β-lactamases currently encompass a large number of allelic variants including extended-spectrum β-lactamases (ESBL), non-ESBL and several not classified variants. SHV enzymes have evolved from a narrow- to an extended-spectrum of hydrolyzing activity, including monobactams and carbapenems, as a result of amino acid changes that altered the configuration around the active site of the β -lactamases. SHV-ESBLs are usually encoded by self-transmissible plasmids that frequently carry resistance genes to other drug classes and have become widespread throughout the world in several Enterobacteriaceae, emphasizing their clinical significance.
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Affiliation(s)
- Apostolos Liakopoulos
- Department of Bacteriology and Epidemiology, Central Veterinary Institute of Wageningen UR Lelystad, Netherlands
| | - Dik Mevius
- Department of Bacteriology and Epidemiology, Central Veterinary Institute of Wageningen URLelystad, Netherlands; Faculty of Veterinary Medicine, Utrecht UniversityUtrecht, Netherlands
| | - Daniela Ceccarelli
- Department of Bacteriology and Epidemiology, Central Veterinary Institute of Wageningen UR Lelystad, Netherlands
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