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Slettemeås JS, Sekse C, Sunde M, Norström M, Wester AL, Naseer U, Simonsen GS, Ulstad CR, Urdahl AM, Lagesen K. Comparative genomics of quinolone-resistant Escherichia coli from broilers and humans in Norway. BMC Microbiol 2024; 24:248. [PMID: 38971718 PMCID: PMC11227169 DOI: 10.1186/s12866-024-03412-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 07/02/2024] [Indexed: 07/08/2024] Open
Abstract
BACKGROUND The usage of fluoroquinolones in Norwegian livestock production is very low, including in broiler production. Historically, quinolone-resistant Escherichia coli (QREC) isolated from Norwegian production animals rarely occur. However, with the introduction of a selective screening method for QREC in the Norwegian monitoring programme for antimicrobial resistance in the veterinary sector in 2014; 89.5% of broiler caecal samples and 70.7% of broiler meat samples were positive. This triggered the concern if there could be possible links between broiler and human reservoirs of QREC. We are addressing this by characterizing genomes of QREC from humans (healthy carriers and patients) and broiler isolates (meat and caecum). RESULTS The most frequent mechanism for quinolone resistance in both broiler and human E. coli isolates were mutations in the chromosomally located gyrA and parC genes, although plasmid mediated quinolone resistance (PMQR) was also identified. There was some relatedness of the isolates within human and broiler groups, but little between these two groups. Further, some overlap was seen for isolates with the same sequence type isolated from broiler and humans, but overall, the SNP distance was high. CONCLUSION Based on data from this study, QREC from broiler makes a limited contribution to the incidence of QREC in humans in Norway.
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Affiliation(s)
| | - Camilla Sekse
- Norwegian Veterinary Institute, P.O. box 64, Ås, 1431, Norway
| | - Marianne Sunde
- Norwegian Veterinary Institute, P.O. box 64, Ås, 1431, Norway
| | | | - Astrid Louise Wester
- Norwegian Institute of Public Health, P.O. box 4404, Nydalen, Oslo, 0403, Norway
- Department of Microbiology and Infection Control, Akershus University Hospital, Lørenskog, Norway
| | - Umaer Naseer
- Norwegian Institute of Public Health, P.O. box 4404, Nydalen, Oslo, 0403, Norway
| | - Gunnar Skov Simonsen
- University Hospital of North Norway, Breivika, Tromsø, 9038, Norway
- Faculty of Health Sciences, UiT - The Arctic University of Norway, Tromsø, Norway
| | | | | | - Karin Lagesen
- Norwegian Veterinary Institute, P.O. box 64, Ås, 1431, Norway
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Chen Y, Liu L, Guo Y, Chu J, Wang B, Sui Y, Wei H, Hao H, Huang L, Cheng G. Distribution and genetic characterization of fluoroquinolone resistance gene qnr among Salmonella strains from chicken in China. Microbiol Spectr 2024; 12:e0300023. [PMID: 38411972 PMCID: PMC10986518 DOI: 10.1128/spectrum.03000-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Accepted: 11/06/2023] [Indexed: 02/28/2024] Open
Abstract
The prevalence and dissemination of the plasmid-mediated fluoroquinolone (FQ) resistance gene qnr in Salmonella are considered serious public health concerns worldwide. So far, no comprehensive large-scale studies have focused on the prevalence and genetic characteristics of the qnr gene in Salmonella isolated from chickens. Herein, this study aimed to investigate the prevalence, antimicrobial resistance (AMR) patterns, and molecular characteristics of chicken-originated qnr-positive Salmonella strains from chicken farms, slaughterhouses, and markets in 12 provinces of China in 2020-2021. The overall prevalence of the qnr gene was 21.13% (56/265), with the highest prevalence in markets (36.11%, 26/72), followed in farms (17.95%, 21/117), and slaughterhouses (10.53%, 9/76). Only the qnrS and qnrB genes were detected, and the prevalence rate of the qnrS gene (19.25%, 51/265) was higher than that of the qnrB gene (1.89%, 5/265). Whole genome sequencing identified 37 distinct AMR genes and 15 plasmid replicons, and the most frequent mutation in quinolone resistance determining regions was parC (T57S; 91.49%, 43/47). Meanwhile, four different qnrS and two qnrB genetic environments were discovered among 47 qnr-positive Salmonella strains. In total, 21.28% (10/47) of the strains were capable of conjugative transfer, and all were qnrS1-positive strains, with the majority of transferable plasmids being IncHI2 types (n = 4). Overall, the prevalence of qnr-positive Salmonella strains from chickens in China and their carriage of multiple resistance and virulence genes and transferable plasmids is a major concern, which calls for continuous surveillance of qnr-positive Salmonella and the development of measures to control its prevalence and transmission.IMPORTANCESalmonella is a common foodborne pathogen responsible for 155,000 deaths annually worldwide. Fluoroquinolones (FQs) are used as first-line drugs for the treatment of Salmonella infections in several countries and regions. However, the emergence and increasing prevalence of the FQ-resistant gene qnr in Salmonella isolated from chickens have been widely reported. Gaining insight into the genetic mechanisms of AMR genes in chicken could lead to the development of preventive measures to control and reduce the risk of drug resistance. In this study, we identified qnr-positive Salmonellae isolated from chickens in different regions of China and their AMR patterns and genome-wide characteristics, providing a theoretical basis for further control of their prevalence and transmission.
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Affiliation(s)
- Yang Chen
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Lihui Liu
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Yali Guo
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Jinhua Chu
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Bangjuan Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Yuxin Sui
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Hanqi Wei
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Haihong Hao
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Lingli Huang
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
| | - Guyue Cheng
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University, Wuhan, Hubei, China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, Hubei, China
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Salgueiro V, Manageiro V, Rosado T, Bandarra NM, Botelho MJ, Dias E, Caniça M. Snapshot of resistome, virulome and mobilome in aquaculture. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:166351. [PMID: 37604365 DOI: 10.1016/j.scitotenv.2023.166351] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Revised: 07/28/2023] [Accepted: 08/15/2023] [Indexed: 08/23/2023]
Abstract
Aquaculture environments can be hotspots for resistance genes through the surrounding environment. Our objective was to study the resistome, virulome and mobilome of Gram-negative bacteria isolated in seabream and bivalve molluscs, using a WGS approach. Sixty-six Gram-negative strains (Aeromonadaceae, Enterobacteriaceae, Hafniaceae, Morganellaceae, Pseudomonadaceae, Shewanellaceae, Vibrionaceae, and Yersiniaceae families) were selected for genomic characterization. The species and MLST were determined, and antibiotic/disinfectants/heavy metals resistance genes, virulence determinants, MGE, and pathogenicity to humans were investigated. Our study revealed new sequence-types (e.g. Aeromonas spp. ST879, ST880, ST881, ST882, ST883, ST887, ST888; Shewanella spp. ST40, ST57, ST58, ST60, ST61, ST62; Vibrio spp. ST206, ST205). >140 different genes were identified in the resistome of seabream and bivalve molluscs, encompassing genes associated with β-lactams, tetracyclines, aminoglycosides, quinolones, sulfonamides, trimethoprim, phenicols, macrolides and fosfomycin resistance. Disinfectant resistance genes qacE-type, sitABCD-type and formA-type were found. Heavy metals resistance genes mdt, acr and sil stood out as the most frequent. Most resistance genes were associated with antibiotics/disinfectants/heavy metals commonly used in aquaculture settings. We also identified 25 different genes related with increased virulence, namely associated with adherence, colonization, toxins production, red blood cell lysis, iron metabolism, escape from the immune system of the host. Furthermore, 74.2 % of the strains analysed were considered pathogenic to humans. We investigated the genetic environment of several antibiotic resistance genes, including blaTEM-1B, blaFOX-18, aph(3″)-Ib, dfrA-type, aadA1, catA1-type, tet(A)/(E), qnrB19 and sul1/2. Our analysis also focused on identifying MGE in proximity to these genes (e.g. IntI1, plasmids and TnAs), which could potentially facilitate the spread of resistance among bacteria across different environments. This study provides a comprehensive examination of the diversity of resistance genes that can be transferred to both humans and the environment, with the recognition that aquaculture and the broader environment play crucial roles as intermediaries within this complex transmission network.
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Affiliation(s)
- Vanessa Salgueiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal; Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, Porto, Portugal; AL4AnimalS, Associate Laboratory for Animal and Veterinary Sciences, Portugal
| | - Vera Manageiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal; Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, Porto, Portugal; AL4AnimalS, Associate Laboratory for Animal and Veterinary Sciences, Portugal
| | - Tânia Rosado
- Laboratory of Biology and Ecotoxicology, Department of Environmental Health, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal
| | - Narcisa M Bandarra
- Division of Aquaculture, Upgrading and Bioprospecting, Portuguese Institute for the Sea and Atmosphere, IPMA, Lisbon, Portugal; CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto, Matosinhos, Portugal
| | - Maria João Botelho
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Terminal de Cruzeiros do Porto, Matosinhos, Portugal; Division of Oceanography and Marine Environment, Portuguese Institute for the Sea and Atmosphere, Lisbon, Portugal
| | - Elsa Dias
- Laboratory of Biology and Ecotoxicology, Department of Environmental Health, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal
| | - Manuela Caniça
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal; Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, Porto, Portugal; AL4AnimalS, Associate Laboratory for Animal and Veterinary Sciences, Portugal; CIISA, Center for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, Lisbon, Portugal.
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Long Y, Lu X, Ni X, Liu J, Wang M, Li X, Li Z, Zhou H, Li Z, Wu K, Wang W, Yang L, Xu J, Chen H, Kan B. High Carriage Rate of the Multiple Resistant Plasmids Harboring Quinolone Resistance Genes in Enterobacter spp. Isolated from Healthy Individuals. Antibiotics (Basel) 2021; 11:antibiotics11010015. [PMID: 35052892 PMCID: PMC8773380 DOI: 10.3390/antibiotics11010015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 11/27/2021] [Accepted: 12/04/2021] [Indexed: 11/16/2022] Open
Abstract
Antimicrobial-resistant bacteria causing intractable and even fatal infections are a major health concern. Resistant bacteria residing in the intestinal tract of healthy individuals present a silent threat because of frequent transmission via conjugation and transposition. Plasmids harboring quinolone resistance genes are increasingly detected in clinical isolates worldwide. Here, we investigated the molecular epidemiology of plasmid-mediated quinolone resistance (PMQR) in Gram-negative bacteria from healthy service trade workers. From 157 rectal swab samples, 125 ciprofloxacin-resistant strains, including 112 Escherichia coli, 10 Klebsiella pneumoniae, two Proteus mirabilis, and one Citrobacter braakii, were isolated. Multiplex PCR screening identified 39 strains harboring the PMQR genes (including 17 qnr,19 aac(6')-Ib-cr, and 22 oqxA/oqxB). The genome and plasmid sequences of 39 and 31 strains, respectively, were obtained by short- and long-read sequencing. PMQR genes mainly resided in the IncFIB, IncFII, and IncR plasmids, and coexisted with 3-11 other resistance genes. The high PMQR gene carriage rate among Gram-negative bacteria isolated from healthy individuals suggests the high-frequency transmission of these genes via plasmids, along with other resistance genes. Thus, healthy individuals may spread antibiotic-resistant bacterial, highlighting the need for improved monitoring and control of the spread of antibiotic-resistant bacteria and genes in healthy individuals.
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Affiliation(s)
- Yongyan Long
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
| | - Xin Lu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
| | - Xiansheng Ni
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
| | - Jiaqi Liu
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
- Beijing Technology and Business University, Beijing 102206, China; (X.L.); (J.X.)
| | - Mengyu Wang
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
| | - Xu Li
- Beijing Technology and Business University, Beijing 102206, China; (X.L.); (J.X.)
| | - Zhe Li
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
| | - Haijian Zhou
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
| | - Zhenpeng Li
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
| | - Kui Wu
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
| | - Wei Wang
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
| | - Liya Yang
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
- Beijing Technology and Business University, Beijing 102206, China; (X.L.); (J.X.)
| | - Jialiang Xu
- Beijing Technology and Business University, Beijing 102206, China; (X.L.); (J.X.)
| | - Haiying Chen
- The Collaboration Unit for Field Epidemiology of State Key Laboratory for Infectious Disease Prevention and Control, Jiangxi Province Key Laboratory of Animal-Origin and Vector-Borne Disease, Nanchang Center for Disease Control and Prevention, Nanchang 330038, China; (Y.L.); (X.N.); (M.W.); (K.W.); (W.W.)
- Correspondence: (H.C.); (B.K.)
| | - Biao Kan
- State Key Laboratory of Infectious Disease Prevention and Control, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing 102206, China; (X.L.); (J.L.); (Z.L.); (H.Z.); (Z.L.); (L.Y.)
- School of Public Health, Shandong University, Jinan 250012, China
- Correspondence: (H.C.); (B.K.)
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Clemente L, Leão C, Moura L, Albuquerque T, Amaro A. Prevalence and Characterization of ESBL/AmpC Producing Escherichia coli from Fresh Meat in Portugal. Antibiotics (Basel) 2021; 10:antibiotics10111333. [PMID: 34827270 PMCID: PMC8615096 DOI: 10.3390/antibiotics10111333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Revised: 10/28/2021] [Accepted: 10/29/2021] [Indexed: 10/25/2022] Open
Abstract
The present study aimed to characterize the extended-spectrum β-lactamases and plasmid-mediated AmpC β-lactamases (ESBL/PMAβ) among Escherichia coli producers isolated from beef, pork, and poultry meat collected at retail, in Portugal. A total of 638 meat samples were collected and inoculated on selective medium for the search of E. coli resistant to 3rd generation cephalosporins. Isolates were characterized by antimicrobial susceptibility testing, molecular assays targeting ESBL/AmpC, plasmid-mediated quinolone resistance (PMQR), and plasmid-mediated colistin resistance (PMCR) encoding genes. The highest frequency of E. coli non-wild type to 3rd generation cephalosporins and fluoroquinolones was observed in broiler meat (30.3% and 93.3%, respectively). Overall, a diversity of acquired resistance mechanisms, were detected: blaESBL [blaCTX-M-1 (n = 19), blaCTX-M-15 (n = 4), blaCTX-M-32 (n = 12), blaCTX-M-55 (n = 8), blaCTX-M-65 (n = 4), blaCTX-M-27 (n = 2), blaCTX-M-9 (n = 1), blaCTX-M-14 (n = 11), blaSHV-12 (n = 27), blaTEM-52 (n = 1)], blaPMAβ [blaCMY-2 (n = 8)], PMQR [qnrB (n = 27), qnrS (n = 21) and aac(6')-Ib-type (n = 4)] and PMCR [mcr-1 (n = 8)]. Our study highlights that consumers may be exposed through the food chain to multidrug-resistant E. coli carrying diverse plasmid-mediated antimicrobial resistance genes, posing a great hazard to food safety and a public health risk.
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Affiliation(s)
- Lurdes Clemente
- Laboratory of Bacteriology and Mycology, National Reference Laboratory of Animal Health, INIAV—National Institute of Agrarian and Veterinary Research, 2780-157 Oeiras, Portugal; (C.L.); (L.M.); (T.A.); (A.A.)
- CIISA—Centre for Interdisciplinary Research in Animal Health, Faculty of Veterinary Science, University of Lisbon, 1300-477 Lisbon, Portugal
- Correspondence:
| | - Célia Leão
- Laboratory of Bacteriology and Mycology, National Reference Laboratory of Animal Health, INIAV—National Institute of Agrarian and Veterinary Research, 2780-157 Oeiras, Portugal; (C.L.); (L.M.); (T.A.); (A.A.)
- MED—Mediterranean Institute for Agriculture, Environment and Development, 7006-554 Évora, Portugal
| | - Laura Moura
- Laboratory of Bacteriology and Mycology, National Reference Laboratory of Animal Health, INIAV—National Institute of Agrarian and Veterinary Research, 2780-157 Oeiras, Portugal; (C.L.); (L.M.); (T.A.); (A.A.)
- Faculty of Pharmacy Science, University of Lisbon, FFUL, 1649-019 Lisbon, Portugal
| | - Teresa Albuquerque
- Laboratory of Bacteriology and Mycology, National Reference Laboratory of Animal Health, INIAV—National Institute of Agrarian and Veterinary Research, 2780-157 Oeiras, Portugal; (C.L.); (L.M.); (T.A.); (A.A.)
| | - Ana Amaro
- Laboratory of Bacteriology and Mycology, National Reference Laboratory of Animal Health, INIAV—National Institute of Agrarian and Veterinary Research, 2780-157 Oeiras, Portugal; (C.L.); (L.M.); (T.A.); (A.A.)
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Salgueiro V, Reis L, Ferreira E, Botelho MJ, Manageiro V, Caniça M. Assessing the Bacterial Community Composition of Bivalve Mollusks Collected in Aquaculture Farms and Respective Susceptibility to Antibiotics. Antibiotics (Basel) 2021; 10:antibiotics10091135. [PMID: 34572717 PMCID: PMC8468174 DOI: 10.3390/antibiotics10091135] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/09/2021] [Accepted: 09/17/2021] [Indexed: 11/16/2022] Open
Abstract
Aquaculture is a growing sector, providing several products for human consumption, and it is therefore important to guarantee its quality and safety. This study aimed to contribute to the knowledge of bacterial composition of Crassostrea gigas, Mytilus spp. and Ruditapes decussatus, and the antibiotic resistances/resistance genes present in aquaculture environments. Two hundred and twenty-two bacterial strains were recovered from all bivalve mollusks samples belonging to the Aeromonadaceae, Bacillaceae, Comamonadaceae, Enterobacteriaceae, Enterococcaceae, Micrococcaceae, Moraxellaceae, Morganellaceae, Pseudomonadaceae, Shewanellaceae, Staphylococcaceae, Streptococcaceae, Vibrionaceae, and Yersiniaceae families. Decreased susceptibility to oxytetracycline prevails in all bivalve species, aquaculture farms and seasons. Decreased susceptibilities to amoxicillin, amoxicillin/clavulanic acid, cefotaxime, cefoxitin, ceftazidime, chloramphenicol, florfenicol, colistin, ciprofloxacin, flumequine, nalidixic acid and trimethoprim/sulfamethoxazole were also found. This study detected six qnrA genes among Shewanella algae, ten qnrB genes among Citrobacter spp. and Escherichia coli, three oqxAB genes from Raoultella ornithinolytica and blaTEM-1 in eight E. coli strains harboring a qnrB19 gene. Our results suggest that the bacteria and antibiotic resistances/resistance genes present in bivalve mollusks depend on several factors, such as host species and respective life stage, bacterial family, farm’s location and season, and that is important to study each aquaculture farm individually to implement the most suitable measures to prevent outbreaks.
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Affiliation(s)
- Vanessa Salgueiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal; (V.S.); (L.R.); (E.F.); (V.M.)
- Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, 4051-401 Porto, Portugal
| | - Lígia Reis
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal; (V.S.); (L.R.); (E.F.); (V.M.)
| | - Eugénia Ferreira
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal; (V.S.); (L.R.); (E.F.); (V.M.)
- Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, 4051-401 Porto, Portugal
| | - Maria João Botelho
- Division of Oceanography and Marine Environment, Portuguese Institute for the Sea and Atmosphere, 1749-077 Lisbon, Portugal;
- CIIMAR, Interdisciplinary Centre of Marine and Environmental Research, University of Porto, 4450-208 Matosinhos, Portugal
| | - Vera Manageiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal; (V.S.); (L.R.); (E.F.); (V.M.)
- Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, 4051-401 Porto, Portugal
| | - Manuela Caniça
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal; (V.S.); (L.R.); (E.F.); (V.M.)
- Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, 4051-401 Porto, Portugal
- CIISA, Center for Interdisciplinary Research in Animal Health, Faculty of Veterinary Medicine, University of Lisbon, 1300-477 Lisbon, Portugal
- Correspondence:
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7
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Tahar S, Nabil MM, Safia T, Ngaiganam EP, Omar A, Hafidha C, Hanane Z, Rolain JM, Diene SM. Molecular Characterization of Multidrug-Resistant Escherichia coli Isolated from Milk of Dairy Cows with Clinical Mastitis in Algeria. J Food Prot 2020; 83:2173-2178. [PMID: 32692852 DOI: 10.4315/jfp-20-198] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 07/20/2020] [Indexed: 12/16/2022]
Abstract
The objective of this study was to investigate the occurrence of multidrug-resistant Escherichia coli in cows with clinical mastitis in 42 different dairy farms located in the Bordj Bou Arreridj region of Algeria. Milk samples were cultured on Columbia blood agar, and isolates were then identified by matrix-assisted laser desorption ionization-time of flight mass spectrometry. In total, 200 samples were screened and 52 E. coli strains confirmed as causative agents were obtained. The antimicrobial susceptibility testing was performed by disk diffusion method. Antibiotic resistance genes, including those conferring resistance to extended-spectrum β-lactamases (i.e., blaTEM, blaSHV, and blaCTX-M), tetracyclines (tetA, tetB, tetC, and tetJ), aminoglycosides [aph(3'), aac(3'), aac(6'), ant, aad, and armA], and quinolones (qnrA and qnrB) were amplified by standard PCR and sequenced when positive. Transferability of resistance genes has been investigated by conjugation experiments and multilocus sequence typing. The most frequently observed resistance was to amoxicillin (86.5%), followed by tetracycline (75%), amoxicillin-clavulanic acid (59.6%), trimethoprim-sulfamethoxazole (36.5%), doxycycline (13.5%), and ciprofloxacin (13.5%). Multidrug resistance was observed in 38.4% of isolates. Genotypic characterization showed that tetA (44.2%) and blaTEM-1 (30.7%) genes were the most prevalent. Screening for plasmid-mediated quinolone resistance genes demonstrated that seven isolates (13.5%) expressed qnrB and one isolate (1.9%) harbored qnrA. In addition, aminoglycoside resistance determinants including aadA1 and aac(3)-Id were detected in seven and two isolates, respectively. Moreover, blaTEM, tetA, tetB, qnrB, and aadA1 were successfully transferred horizontally to transconjugant strains. The multilocus sequence typing revealed the presence of three different sequence types (ST162, ST371, and ST 949).
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Affiliation(s)
- Sedrati Tahar
- Laboratoire de recherche Gestion des Ressources Animales Locales, Ecole Nationale Supérieure Vétérinaire, Oued Smar, 16000 Alger, Algérie
| | - Menoueri M Nabil
- Université Saad Dahlab de Blida, BP 270, Route de Soumâa, 09000 Blida, Algérie
| | - Tennah Safia
- Laboratoire de recherche Gestion des Ressources Animales Locales, Ecole Nationale Supérieure Vétérinaire, Oued Smar, 16000 Alger, Algérie
| | - Edgarthe P Ngaiganam
- Aix-Marseille Université, UMR Microbes Evolution Phylogeny and Infections, Institut de Recherche pour le Développement, Assistance Publique-Hôpitaux de Marseille, Institut Hospitalo-Universitaire-Méditerranée Infection, Faculté de Pharmacie, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
| | - Azzi Omar
- Laboratoire de recherche Gestion des Ressources Animales Locales, Ecole Nationale Supérieure Vétérinaire, Oued Smar, 16000 Alger, Algérie
| | - Chadi Hafidha
- Laboratoire de recherche Gestion des Ressources Animales Locales, Ecole Nationale Supérieure Vétérinaire, Oued Smar, 16000 Alger, Algérie
| | - Zerrouki Hanane
- Laboratoire de Microbiologie Appliquée à l'Agroalimentaire, au Biomédical et à l'Environnement-Université de Tlemcen, Algérie
| | - Jean-Marc Rolain
- Aix-Marseille Université, UMR Microbes Evolution Phylogeny and Infections, Institut de Recherche pour le Développement, Assistance Publique-Hôpitaux de Marseille, Institut Hospitalo-Universitaire-Méditerranée Infection, Faculté de Pharmacie, 19-21 Boulevard Jean Moulin, 13005 Marseille, France
| | - Seydina M Diene
- Aix-Marseille Université, UMR Microbes Evolution Phylogeny and Infections, Institut de Recherche pour le Développement, Assistance Publique-Hôpitaux de Marseille, Institut Hospitalo-Universitaire-Méditerranée Infection, Faculté de Pharmacie, 19-21 Boulevard Jean Moulin, 13005 Marseille, France.,(ORCID: https://orcid.org/0000-0002-6466-2324 [S.M.D.])
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8
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Salgueiro V, Manageiro V, Bandarra NM, Reis L, Ferreira E, Caniça M. Bacterial Diversity and Antibiotic Susceptibility of Sparus aurata from Aquaculture. Microorganisms 2020; 8:E1343. [PMID: 32887439 PMCID: PMC7564983 DOI: 10.3390/microorganisms8091343] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2020] [Revised: 08/27/2020] [Accepted: 08/28/2020] [Indexed: 02/02/2023] Open
Abstract
In a world where the population continues to increase and the volume of fishing catches stagnates or even falls, the aquaculture sector has great growth potential. This study aimed to contribute to the depth of knowledge of the diversity of bacterial species found in Sparus aurata collected from a fish farm and to understand which profiles of diminished susceptibility to antibiotics would be found in these bacteria that might be disseminated in the environment. One hundred thirty-six bacterial strains were recovered from the S. aurata samples. These strains belonged to Bacillaceae, Bacillales Family XII. Incertae Sedis, Comamonadaceae, Enterobacteriaceae, Enterococcaceae, Erwiniaceae, Micrococcaceae, Pseudomonadaceae and Staphylococcaceae families. Enterobacter sp. was more frequently found in gills, intestine and skin groups than in muscle groups (p ≤ 0.01). Antibiotic susceptibility tests found that non-susceptibility to phenicols was significantly higher in gills, intestine and skin samples (45%) than in muscle samples (24%) (p ≤ 0.01) and was the most frequently found non-susceptibility in both groups of samples. The group of Enterobacteriaceae from muscles presented less decreased susceptibility to florfenicol (44%) than in the group of gills, intestine and skin samples (76%). We found decreased susceptibilities to β-lactams and glycopeptides in the Bacillaceae family, to quinolones and mupirocin in the Staphylococcaceae family, and mostly to β-lactams, phenicols and quinolones in the Enterobacteriaceae and Pseudomonadaceae families. Seven Enterobacter spp. and five Pseudomonas spp. strains showed non-susceptibility to ertapenem and meropenem, respectively, which is of concern because they are antibiotics used as a last resort in serious clinical infections. To our knowledge, this is the first description of species Exiguobacterium acetylicum, Klebsiella michiganensis, Lelliottia sp. and Pantoea vagans associated with S. aurata (excluding cases where these bacteria are used as probiotics) and of plasmid-mediated quinolone resistance qnrB19-producing Leclercia adecarboxylata strain. The non-synonymous G385T and C402A mutations at parC gene (within quinolone resistance-determining regions) were also identified in a Klebsiella pneumoniae, revealing decreased susceptibility to ciprofloxacin. In this study, we found not only bacteria from the natural microbiota of fish but also pathogenic bacteria associated with fish and humans. Several antibiotics for which decreased susceptibility was found here are integrated into the World Health Organization list of "critically important antimicrobials" and "highly important antimicrobials" for human medicine.
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Affiliation(s)
- Vanessa Salgueiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AMR-HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal; (V.S.); (V.M.); (L.R.); (E.F.)
- Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto University, 4051-401 Oporto, Portugal
| | - Vera Manageiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AMR-HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal; (V.S.); (V.M.); (L.R.); (E.F.)
- Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto University, 4051-401 Oporto, Portugal
| | - Narcisa M. Bandarra
- Department of Sea and Marine Resources, Portuguese Institute for the Sea and Atmosphere (IPMA, IP), 1749-077 Lisbon, Portugal;
| | - Lígia Reis
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AMR-HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal; (V.S.); (V.M.); (L.R.); (E.F.)
| | - Eugénia Ferreira
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AMR-HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal; (V.S.); (V.M.); (L.R.); (E.F.)
- Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto University, 4051-401 Oporto, Portugal
| | - Manuela Caniça
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AMR-HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, 1649-016 Lisbon, Portugal; (V.S.); (V.M.); (L.R.); (E.F.)
- Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto University, 4051-401 Oporto, Portugal
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9
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Moreno-Switt AI, Pezoa D, Sepúlveda V, González I, Rivera D, Retamal P, Navarrete P, Reyes-Jara A, Toro M. Transduction as a Potential Dissemination Mechanism of a Clonal qnrB19-Carrying Plasmid Isolated From Salmonella of Multiple Serotypes and Isolation Sources. Front Microbiol 2019; 10:2503. [PMID: 31787939 PMCID: PMC6854032 DOI: 10.3389/fmicb.2019.02503] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 10/17/2019] [Indexed: 12/16/2022] Open
Abstract
Antimicrobial resistance is an increasing problem worldwide, and Salmonella spp. resistance to quinolone was classified by WHO in the high priority list. Recent studies in Europe and in the US reported the presence of small plasmids carrying quinolone resistance in Enterobacteriaceae isolated from poultry and poultry products. The aims of this study were to identify and characterize plasmid-mediated quinolone resistance in Salmonella spp. and to investigate transduction as a possible mechanism associated to its dissemination. First, we assessed resistance to nalidixic acid and/or ciprofloxacin in 64 Salmonella spp. and detected resistance in eight of them. Genomic analyses determined that six isolates of different serotypes and sources carried an identical 2.7-kb plasmid containing the gene qnrB19 which confers quinolone resistance. The plasmid detected also has high identity with plasmids reported in the US, Europe, and South America. The presence of similar plasmids was later surveyed by PCR in a local Salmonella collection (n = 113) obtained from diverse sources: food (eggs), wild and domestic animals (pigs, horse, chicken), and human clinical cases. qnrB19-carrying plasmids were found in 8/113 Salmonella tested strains. A bioinformatics analysis including Chilean and previously described plasmids revealed over 95.0% of nucleotide identity among all the sequences obtained in this study. Furthermore, we found that a qnrB19-carrying plasmid can be transferred between Salmonella of different serotypes through a P22-mediated transduction. Altogether our results demonstrate that plasmid-mediated quinolone resistance (PMQR) is widespread in Salmonella enterica of different serotypes isolated from human clinical samples, wild and domestic animals, and food in Chile and suggest that transduction could be a plausible mechanism for its dissemination. The occurrence of these antimicrobial resistance elements in Salmonella in a widespread area is of public health and food safety concern, and it indicates the need for increased surveillance for the presence of these plasmids in Salmonella strains and to assess their actual impact in the rise and spread of quinolone resistance.
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Affiliation(s)
- Andrea I Moreno-Switt
- Escuela de Medicina Veterinaria, Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago, Chile.,Millennium Initiative for Collaborative Research on Bacterial Resistance (MICROB-R), Santiago, Chile
| | - David Pezoa
- Facultad de Ciencias, Escuela de Medicina Veterinaria, Universidad Mayor, Santiago, Chile
| | - Vanessa Sepúlveda
- Facultad de Ciencias, Escuela de Medicina Veterinaria, Universidad Mayor, Santiago, Chile
| | - Iván González
- Facultad de Ciencias, Escuela de Medicina Veterinaria, Universidad Mayor, Santiago, Chile
| | - Dácil Rivera
- Escuela de Medicina Veterinaria, Facultad de Ciencias de la Vida, Universidad Andres Bello, Santiago, Chile
| | - Patricio Retamal
- Departamento de Medicina Preventiva Animal, Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Santiago, Chile
| | - Paola Navarrete
- Laboratorio de Microbiología y Probióticos, Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile, Santiago, Chile.,Millennium Nucleus in the Biology of Intestinal Microbiota, Santiago, Chile
| | - Angélica Reyes-Jara
- Laboratorio de Microbiología y Probióticos, Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile, Santiago, Chile
| | - Magaly Toro
- Laboratorio de Microbiología y Probióticos, Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile, Santiago, Chile
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10
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Antonelli P, Belluco S, Mancin M, Losasso C, Ricci A. Genes conferring resistance to critically important antimicrobials in Salmonella enterica isolated from animals and food: A systematic review of the literature, 2013–2017. Res Vet Sci 2019; 126:59-67. [DOI: 10.1016/j.rvsc.2019.08.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 08/12/2019] [Accepted: 08/12/2019] [Indexed: 01/03/2023]
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11
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Rozwandowicz M, Brouwer MSM, Fischer J, Wagenaar JA, Gonzalez-Zorn B, Guerra B, Mevius DJ, Hordijk J. Plasmids carrying antimicrobial resistance genes in Enterobacteriaceae. J Antimicrob Chemother 2019; 73:1121-1137. [PMID: 29370371 DOI: 10.1093/jac/dkx488] [Citation(s) in RCA: 514] [Impact Index Per Article: 102.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Bacterial antimicrobial resistance (AMR) is constantly evolving and horizontal gene transfer through plasmids plays a major role. The identification of plasmid characteristics and their association with different bacterial hosts provides crucial knowledge that is essential to understand the contribution of plasmids to the transmission of AMR determinants. Molecular identification of plasmid and strain genotypes elicits a distinction between spread of AMR genes by plasmids and dissemination of these genes by spread of bacterial clones. For this reason several methods are used to type the plasmids, e.g. PCR-based replicon typing (PBRT) or relaxase typing. Currently, there are 28 known plasmid types in Enterobacteriaceae distinguished by PBRT. Frequently reported plasmids [IncF, IncI, IncA/C, IncL (previously designated IncL/M), IncN and IncH] are the ones that bear the greatest variety of resistance genes. The purpose of this review is to provide an overview of all known AMR-related plasmid families in Enterobacteriaceae, the resistance genes they carry and their geographical distribution.
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Affiliation(s)
- M Rozwandowicz
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - M S M Brouwer
- Wageningen Bioveterinary Research, Lelystad, The Netherlands
| | - J Fischer
- Department of Biological Safety, Federal Institute for Risk Assessment, BfR, Berlin, Germany
| | - J A Wagenaar
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.,Wageningen Bioveterinary Research, Lelystad, The Netherlands
| | - B Gonzalez-Zorn
- Department of Animal Health and VISAVET, Complutense University of Madrid, Madrid, Spain
| | - B Guerra
- Department of Biological Safety, Federal Institute for Risk Assessment, BfR, Berlin, Germany
| | - D J Mevius
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.,Wageningen Bioveterinary Research, Lelystad, The Netherlands
| | - J Hordijk
- Department of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
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12
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Shu LB, Lu Q, Sun RH, Lin LQ, Sun QL, Hu J, Zhou HW, Chan EWC, Chen S, Zhang R. Prevalence and phenotypic characterization of carbapenem-resistant Klebsiella pneumoniae strains recovered from sputum and fecal samples of ICU patients in Zhejiang Province, China. Infect Drug Resist 2018; 12:11-18. [PMID: 30588043 PMCID: PMC6302810 DOI: 10.2147/idr.s175823] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
Objective To understand the prevalence and transmission of carbapenem-resistant Klebsiella pneumoniae (CRKP) in ICU patients in Zhejiang Province, China, and determined the genetic and phenotypic characteristics of these CRKP strains. Materials and Methods A total of 202 ICU patients from eight tertiary hospitals were recruited and 55 non-duplicate CRKP strains were collected during July and August in 2017. These strains were subjected to determination of MICs, carriage of carbapenemase genes and tet(A) variants, PFGE, MLST and virulence potential using G. mellonella larvae infection model. Results A total of 55 CRKP strains were recovered from 42 patients, representing a carriage rate of 20.8%. CRKP strains were recovered from both the intestinal and respiratory tract of 13 patients. Importantly, strains isolated from sputum and fecal samples often displayed identical PFGE profiles, suggesting that CRKP may also colonize the respiratory tract. The most dominant ST type of these CRKP strains was ST11, accounting for 78% (43/55) of the test strains. The majority of CRKP strains were resistant to multiple antibiotics, with the exception of tigecycline and ceftazidime/avibactam. Interestingly, 32 strains were found to harbor the tet(A) variant, which is known to confer reduced tigecycline susceptibility. Assessment of the virulence potential of these CRKP strains by string test showed that results were negative for 53 of the 55 test strains. However, further assessment of virulence potential using a G. mellonella larvae infection model showed that CRKP isolated from sputum consistently exhibited a higher virulence level than strains recovered from fecal samples. Conclusion CRKP is highly prevalent in ICU patients in Zhejiang Province with strains isolated from respiratory exhibiting higher virulence potential than those from GI tract. These data provide essential insight into development of new infection control measures to halt the transmission of CRKP in clinical settings.
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Affiliation(s)
- Ling-Bin Shu
- Department of Clinical Laboratory Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China,
| | - Qun Lu
- Department of Hospital Infection Management, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China
| | - Ren-Hua Sun
- Department of Critical Care Medicine, Zhejiang Provincial People's Hospital, People's Hospital of Hangzhou Medical College, Hangzhou, China
| | - Le-Qing Lin
- Department of Intensive Care Unit, The Affiliated Hospital of Hangzhou Normal University, Hangzhou, China
| | - Qiao-Ling Sun
- Department of Clinical Laboratory Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China,
| | - Jie Hu
- Department of Clinical Laboratory Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China,
| | - Hong-Wei Zhou
- Department of Clinical Laboratory Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China,
| | - Edward Wai-Chi Chan
- Shenzhen Key Lab for Food Biological Safety Control, Food Safety and Technology Research Center, Hong Kong PolyU Shen Zhen Research Institute, Shenzhen, China, .,State Key Lab of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong,
| | - Sheng Chen
- Shenzhen Key Lab for Food Biological Safety Control, Food Safety and Technology Research Center, Hong Kong PolyU Shen Zhen Research Institute, Shenzhen, China, .,State Key Lab of Chirosciences, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong,
| | - Rong Zhang
- Department of Clinical Laboratory Medicine, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, China,
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13
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Caruso G, Giammanco A, Cardamone C, Oliveri G, Mascarella C, Capra G, Fasciana T. Extra-Intestinal Fluoroquinolone-Resistant Escherichia coli Strains Isolated from Meat. BIOMED RESEARCH INTERNATIONAL 2018; 2018:8714975. [PMID: 30581870 PMCID: PMC6276482 DOI: 10.1155/2018/8714975] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 09/17/2018] [Accepted: 10/28/2018] [Indexed: 01/01/2023]
Abstract
Extra-intestinal E. coli are emerging as a global threat due to their diffusion as opportunistic pathogens and, above all, to their wide set of antibiotic resistance determinants. There are still many gaps in our knowledge of their origin and spread pathways, although food animals have been adjudicated vehicles for passing mult-drug resistant bacteria to humans. This study analyzed 46 samples of meat purchased from retail stores in Palermo in order to obtain quinolone-resistant E. coli isolates. Strains were screened for their phylogenetic groups, ST131-associated single nucleotide polymorphisms (SNPs), and then typed by ERIC-PCR. Their set of virulence factors, namely, kpsMII, papA, sfaS, focG, iutA, papC, hlyD, and afa genes, were investigated and their fluoroquinolone-resistance determinants evaluated. The data obtained show a dramatically high prevalence of multidrug resistance patterns in the Palermo area, with 28% of the isolates having virulence factor genes typical of ExPEC strains. No B2 group or ST131 strains were detected. Moreover, 20% of our isolates showed positivity to all the plasmid-mediated quinolone resistance (PMQR) determinants, showing a potential to transfer these genes among other bacteria. Therefore, these data underline the possibility that food animals and, specifically, poultry in particular may be a significant source of resistant bacterial strains, posing a potential zoonotic risk.
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Affiliation(s)
- Giorgia Caruso
- Department of Sciences for Health Promotion and Mother & Child Care, University of Palermo, Italy
| | - Anna Giammanco
- Department of Sciences for Health Promotion and Mother & Child Care, University of Palermo, Italy
| | - Cinzia Cardamone
- Institute for Experimental Veterinary Medicine of Sicily, Palermo, Italy
| | - Giuseppa Oliveri
- Institute for Experimental Veterinary Medicine of Sicily, Palermo, Italy
| | - Chiara Mascarella
- Department of Sciences for Health Promotion and Mother & Child Care, University of Palermo, Italy
| | - Giuseppina Capra
- Department of Sciences for Health Promotion and Mother & Child Care, University of Palermo, Italy
| | - Teresa Fasciana
- Department of Sciences for Health Promotion and Mother & Child Care, University of Palermo, Italy
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14
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van der Putten BCL, Remondini D, Pasquini G, Janes VA, Matamoros S, Schultsz C. Quantifying the contribution of four resistance mechanisms to ciprofloxacin MIC inEscherichia coli: a systematic review. J Antimicrob Chemother 2018; 74:298-310. [DOI: 10.1093/jac/dky417] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Accepted: 09/16/2018] [Indexed: 11/13/2022] Open
Affiliation(s)
- Boas C L van der Putten
- Amsterdam UMC, University of Amsterdam, Department of Global Health, Amsterdam Institute for Global Health and Development, Meibergdreef 9, Amsterdam, Netherlands
- Amsterdam UMC, University of Amsterdam, Department of Medical Microbiology, Meibergdreef 9, Amsterdam, Netherlands
| | - Daniel Remondini
- Department of Physics and Astronomy (DIFA), University of Bologna, Viale Berti Pichat 6/2, Bologna, Bologna, Italy
| | - Giovanni Pasquini
- Department of Physics and Astronomy (DIFA), University of Bologna, Viale Berti Pichat 6/2, Bologna, Bologna, Italy
| | - Victoria A Janes
- Amsterdam UMC, University of Amsterdam, Department of Medical Microbiology, Meibergdreef 9, Amsterdam, Netherlands
| | - Sébastien Matamoros
- Amsterdam UMC, University of Amsterdam, Department of Medical Microbiology, Meibergdreef 9, Amsterdam, Netherlands
| | - Constance Schultsz
- Amsterdam UMC, University of Amsterdam, Department of Global Health, Amsterdam Institute for Global Health and Development, Meibergdreef 9, Amsterdam, Netherlands
- Amsterdam UMC, University of Amsterdam, Department of Medical Microbiology, Meibergdreef 9, Amsterdam, Netherlands
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15
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Identification and Characterization of Conjugative Plasmids That Encode Ciprofloxacin Resistance in Salmonella. Antimicrob Agents Chemother 2018; 62:AAC.00575-18. [PMID: 29760137 DOI: 10.1128/aac.00575-18] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 04/23/2018] [Indexed: 11/20/2022] Open
Abstract
This study aimed to characterize novel conjugative plasmids that encode transferable ciprofloxacin resistance in Salmonella In this study, 157 nonduplicated Salmonella isolates were recovered from food products, of which 55 were found to be resistant to ciprofloxacin. Interestingly, 37 of the 55 CiprSalmonella isolates (67%) did not harbor any mutations in the quinolone resistance-determining regions (QRDR). Six Salmonella isolates were shown to carry two novel types of conjugative plasmids that could transfer the ciprofloxacin resistance phenotype to Escherichia coli J53 (azithromycin resistant [Azir]). The first type of conjugative plasmid belonged to the ∼110-kb IncFIB-type conjugative plasmids carrying qnrB-bearing and aac(6')-Ib-cr-bearing mobile elements. Transfer of the plasmid between E. coli and Salmonella could confer a ciprofloxacin MIC of 1 to 2 μg/ml. The second type of conjugative plasmid belonged to ∼240-kb IncH1/IncF plasmids carrying a single PMQR gene, qnrS Importantly, this type of conjugative ciprofloxacin resistance plasmid could be detected in clinical Salmonella isolates. The dissemination of these conjugative plasmids that confer ciprofloxacin resistance poses serious challenges to public health and Salmonella infection control.
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16
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Badi S, Cremonesi P, Abbassi MS, Ibrahim C, Snoussi M, Bignoli G, Luini M, Castiglioni B, Hassen A. Antibiotic resistance phenotypes and virulence-associated genes in Escherichia coli isolated from animals and animal food products in Tunisia. FEMS Microbiol Lett 2018; 365:4961136. [DOI: 10.1093/femsle/fny088] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 04/03/2018] [Indexed: 12/12/2022] Open
Affiliation(s)
- Souhir Badi
- Université de Tunis El Manar, Institut de la Recherche Vétérinaire de Tunisie, 20 rue Jebel lakhdhar, Bab Saadoun, Tunis 1006, Tunisie
- Laboratoire de Traitement des Eaux Usées, Centre de Recherches et des Technologies des Eaux, Technopôle de Borj-Cédria, BP 901, 2050 Hammam-Lif, Tunisie
| | - Paola Cremonesi
- Institute of Agricultural Biology and Biotechnology, Italian National Research Council (CNR IBBA), Via Einstein s/n, 26 900 Lodi, Italy
| | - Mohamed Salah Abbassi
- Université de Tunis El Manar, Institut de la Recherche Vétérinaire de Tunisie, 20 rue Jebel lakhdhar, Bab Saadoun, Tunis 1006, Tunisie
- Université de Tunis El Manar, Faculté de Médecine de Tunis, Laboratoire de résistance aux antibiotiques LR99ES09, Tunis 1006, Tunisie
| | - Chourouk Ibrahim
- Laboratoire de Traitement des Eaux Usées, Centre de Recherches et des Technologies des Eaux, Technopôle de Borj-Cédria, BP 901, 2050 Hammam-Lif, Tunisie
| | - Majdi Snoussi
- Laboratoire de Traitement des Eaux Usées, Centre de Recherches et des Technologies des Eaux, Technopôle de Borj-Cédria, BP 901, 2050 Hammam-Lif, Tunisie
| | - Giulia Bignoli
- Institute of Agricultural Biology and Biotechnology, Italian National Research Council (CNR IBBA), Via Einstein s/n, 26 900 Lodi, Italy
| | - Mario Luini
- Laboratory of Bacteriology, Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna, 26 900 Lodi, Italy
| | - Bianca Castiglioni
- Institute of Agricultural Biology and Biotechnology, Italian National Research Council (CNR IBBA), Via Einstein s/n, 26 900 Lodi, Italy
| | - Abdennaceur Hassen
- Laboratoire de Traitement des Eaux Usées, Centre de Recherches et des Technologies des Eaux, Technopôle de Borj-Cédria, BP 901, 2050 Hammam-Lif, Tunisie
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17
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Yang F, Zhang S, Shang X, Wang L, Li H, Wang X. Characteristics of quinolone-resistant Escherichia coli isolated from bovine mastitis in China. J Dairy Sci 2018; 101:6244-6252. [PMID: 29605334 DOI: 10.3168/jds.2017-14156] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 02/25/2018] [Indexed: 01/21/2023]
Abstract
Escherichia coli is the leading causative agent of bovine mastitis worldwide. Quinolone-resistant E. coli is becoming a potential threat to veterinary and public health. The aim of this study was to investigate the characteristics of quinolone-resistant E. coli isolated from bovine mastitis cases in China. Antimicrobial susceptibility of the isolates against 15 antimicrobial agents was determined by disc diffusion method. Phylogenetic grouping was detected by PCR. Extended-spectrum β-lactamase-producing isolates were determined by double-disc synergy test. In addition, the plasmid-mediated quinolone resistance (PMQR) and β-lactamase-encoding genes, as well as mutations of quinolone resistance-determining regions in GyrA, GyrB, ParC, and ParE, were measured by PCR and DNA sequencing. Overall, 75 (22.9%) out of 328 E. coli isolates were confirmed as ciprofloxacin-resistant from 2,954 mastitic milk samples. Phylogenetic group analysis showed that the majority of these strains belonged to phylogenetic group A (57.3%) and group B1 (24.0%). All the resistant isolates were identified as multidrug resistant, showing high resistance to cephalosporins and non-β-lactams. Forty-nine (65.3%) of the quinolone-resistant isolates were positive for PMQR genes; aac-(6')-Ib-cr was the most common PMQR determinant detected in 33 (44.0%) isolates. Eighteen (24.0%), 4 (5.3%), 3 (4.0%), and 1 (1.3%) of the quinolone-resistant isolates were harboring oqxA/B, qepA4, qnrS, and qnrB2, respectively. Additionally, 55 (73.3%) of the quinolone-resistant E. coli isolates were found to be extended-spectrum β-lactamase producers. The preponderant β-lactamase-encoding gene, blaTEM, was detected in 44 (58.7%) isolates; blaCTX-M, blaCMY, and blaSHV were found in 35 (46.7%), 22 (29.3%), and 2 (2.7%) isolates, respectively. Moreover, the most frequently identified substitutions were S83L/D87N or S83L in GyrA, detected in all of the quinolone-resistant isolates. Meanwhile, 74 (98.7%), 33 (44.0%), and 6 (8.0%) of the isolates were carrying substitutions S80I in ParC, S458A in ParE, and S492N in GyrB, respectively. All 58 (77.3%) isolates with a high level of ciprofloxacin resistance (>32 µg/mL) carried single or double mutations in GyrA combined with single mutation in ParC. To the best of our knowledge, this is the first report on the high occurrence of PMQR determinants and quinolone-determining resistant regions mutations in quinolone-resistant E. coli isolated from bovine mastitis in China.
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Affiliation(s)
- Feng Yang
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou 730050, People's Republic of China
| | - Shidong Zhang
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou 730050, People's Republic of China
| | - Xiaofei Shang
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou 730050, People's Republic of China
| | - Ling Wang
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou 730050, People's Republic of China
| | - Hongsheng Li
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou 730050, People's Republic of China.
| | - Xurong Wang
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences of Chinese Academy of Agricultural Science, Lanzhou 730050, People's Republic of China.
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18
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Manageiro V, Félix D, Jones-Dias D, Sampaio DA, Vieira L, Sancho L, Ferreira E, Caniça M. Genetic Background and Expression of the New qepA4 Gene Variant Recovered in Clinical TEM-1- and CMY-2-Producing Escherichia coli. Front Microbiol 2017; 8:1899. [PMID: 29062302 PMCID: PMC5640717 DOI: 10.3389/fmicb.2017.01899] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Accepted: 09/15/2017] [Indexed: 11/13/2022] Open
Abstract
A new QepA4 variant was detected in an O86:H28 ST156-fimH38 Escherichia coli, showing a multidrug-resistance phenotype. PAβN inhibition of qepA4-harboring transconjugant resulted in increase of nalidixic acid accumulation. The qepA4 and catA1 genes were clustered in a 26.0-kp contig matching an IncF-type plasmid, and containing a Tn21-type transposon with multiple mobile genetic elements. This QepA variant is worrisome because these determinants might facilitate the selection of higher-level resistance mutants, playing a role in the development of resistance, and/or confer higher-level resistance to fluoroquinolones in association with chromosomal mutations.
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Affiliation(s)
- Vera Manageiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal.,Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, Oporto, Portugal
| | - David Félix
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal
| | - Daniela Jones-Dias
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal.,Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Porto, Oporto, Portugal
| | - Daniel A Sampaio
- Innovation and Technology Unit, Human Genetics Department, National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal
| | - Luís Vieira
- Innovation and Technology Unit, Human Genetics Department, National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal
| | - Luísa Sancho
- Laboratory of Microbiology, Hospital Professor Doutor Fernando Fonseca, Amadora, Portugal
| | - Eugénia Ferreira
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal
| | - Manuela Caniça
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Doutor Ricardo Jorge, Lisbon, Portugal
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Correia S, Poeta P, Hébraud M, Capelo JL, Igrejas G. Mechanisms of quinolone action and resistance: where do we stand? J Med Microbiol 2017; 66:551-559. [DOI: 10.1099/jmm.0.000475] [Citation(s) in RCA: 156] [Impact Index Per Article: 22.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Affiliation(s)
- Susana Correia
- Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, Portugal
- Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Portugal
- UCIBIO-REQUIMTE, Faculty of Science and Technology, NOVA University of Lisbon, Lisbon, Portugal
- Veterinary Science Department, University of Trás-os-Montes and Alto Douro, Portugal
| | - Patrícia Poeta
- Veterinary Science Department, University of Trás-os-Montes and Alto Douro, Portugal
- UCIBIO-REQUIMTE, Faculty of Science and Technology, NOVA University of Lisbon, Lisbon, Portugal
| | - Michel Hébraud
- Université Clermont Auvergne (UCA), UMR Microbiologie Environnement Digestif et Santé (MEDiS), Institut National de la Recherche Agronomique (INRA), Centre Auvergne-Rhône-Alpes, site de Theix, France
- Plate-Forme d’Exploration du Métabolisme composante protéomique, UR370 QuaPA, Institut National de la Recherche Agronomique (INRA), Centre Auvergne-Rhône-Alpes, site de Theix, France
| | - José Luis Capelo
- UCIBIO-REQUIMTE, Faculty of Science and Technology, NOVA University of Lisbon, Lisbon, Portugal
- ProteoMass Scientific Society, Faculty of Sciences and Technology, Caparica Campus, Portugal
| | - Gilberto Igrejas
- Department of Genetics and Biotechnology, University of Trás-os-Montes and Alto Douro, Portugal
- Functional Genomics and Proteomics Unit, University of Trás-os-Montes and Alto Douro, Portugal
- UCIBIO-REQUIMTE, Faculty of Science and Technology, NOVA University of Lisbon, Lisbon, Portugal
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20
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Valenzuela J, Sethi A, Aulik N, Poulsen K. Antimicrobial resistance patterns of bovine Salmonella enterica isolates submitted to the Wisconsin Veterinary Diagnostic Laboratory: 2006–2015. J Dairy Sci 2017; 100:1319-1330. [DOI: 10.3168/jds.2016-11419] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Accepted: 10/30/2016] [Indexed: 01/05/2023]
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21
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Nayme K, Barguigua A, Bouchrif B, Karraouan B, El Otmani F, Elmdaghri N, Zerouali K, Timinouni M. Genotypic characterization of quinolone resistant-Escherichia coli isolates from retail food in Morocco. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2017; 52:107-114. [PMID: 28099089 DOI: 10.1080/03601234.2016.1239985] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2016] [Accepted: 08/24/2016] [Indexed: 06/06/2023]
Abstract
This study was conducted to assess the retail food as a possible vehicle for antimicrobial resistant, particularly quinolones resistant and pathogenic Escherichia coli. We determined the prevalence and characteristics of nalidixic acid (Nal) resistant E. coli isolates from diverse retail food samples. In all, 70 (28%) of 250 E. coli isolates studied were Nal-resistant E. coli and 91% of these were multi-drug resistant. Plasmid mediated quinolone resistance genes were identified in 32 isolates, including aac(6')-Ib-cr (n = 16), qnrS1 (n = 11) and qnrB19 (n = 7). Mutations in gyr A and par C genes were detected among 80% of the isolates, and the isolates showed substitution Ser83-Leu and Asp87-Asn in gyrA and Ser80-Ile in parC. In addition, three different gene cassettes were identified (aadA1, aadA7, aac(3)-Id) in 18%. Virulence-associated genes stx1, eae, sfa, hlyA and stx2 were found in six (8%), three (4%), two (3%), three (4%) and three (4%) isolates, respectively. E. coli isolates of phylogenetic group A were dominant (64%, 45/70). Pulsed field gel electrophoresis revealed none epidemiological relationship between these isolates. The results of this work report the higher frequency of Nal-resistant E. coli isolates from Moroccan retail food samples including MDR and pathogenic isolates.
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Affiliation(s)
- Kaotar Nayme
- a Molecular Bacteriology Laboratory, Institut Pasteur du Maroc , Casablanca , Morocco
- b Microbiology Laboratory, Faculty of Medicine and Pharmacy, University Hassan II , Casablanca , Morocco
| | - Abouddihaj Barguigua
- c Faculty of Medicine and Pharmacy, University Sultan Moulay Slimane , Beni Mellal , Morocco
| | - Brahim Bouchrif
- d Food Microbiology Laboratory, Institut Pasteur du Maroc , Casablanca , Morocco
| | - Bouchra Karraouan
- e Microbiology, Health and Environment Team Research, Department of Biology , Faculty of Sciences, ChouaibDoukkali University , El Jadida , Morocco
| | | | - Naima Elmdaghri
- a Molecular Bacteriology Laboratory, Institut Pasteur du Maroc , Casablanca , Morocco
- b Microbiology Laboratory, Faculty of Medicine and Pharmacy, University Hassan II , Casablanca , Morocco
- f University Hospital Center Ibn Rochd , Casablanca , Morocco
| | - Khalid Zerouali
- b Microbiology Laboratory, Faculty of Medicine and Pharmacy, University Hassan II , Casablanca , Morocco
- f University Hospital Center Ibn Rochd , Casablanca , Morocco
| | - Mohammed Timinouni
- a Molecular Bacteriology Laboratory, Institut Pasteur du Maroc , Casablanca , Morocco
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22
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Cummings KJ, Rodriguez-Rivera LD, Norman KN, Ohta N, Scott HM. Identification of a Plasmid-Mediated Quinolone Resistance Gene in Salmonella Isolates from Texas Dairy Farm Environmental Samples. Zoonoses Public Health 2016; 64:305-307. [PMID: 27801549 DOI: 10.1111/zph.12318] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Indexed: 11/30/2022]
Abstract
A recent increase in plasmid-mediated quinolone resistance (PMQR) has been detected among Salmonella isolated from humans in the United States, and it is necessary to determine the sources of human infection. We had previously isolated Salmonella from dairy farm environmental samples collected in Texas, and isolates were tested for anti-microbial susceptibility. Two isolates, serotyped as Salmonella Muenster, showed the discordant pattern of nalidixic acid susceptibility and intermediate susceptibility to ciprofloxacin. For this project, whole-genome sequencing of both isolates was performed to detect genes associated with quinolone resistance. The plasmid-mediated qnrB19 gene and IncR plasmid type were identified in both isolates. To our knowledge, this is the first report of PMQR in Salmonella isolated from food animals or agricultural environments in the United States.
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Affiliation(s)
| | | | - K N Norman
- Texas A&M University, College Station, TX, USA
| | - N Ohta
- Texas A&M University, College Station, TX, USA
| | - H M Scott
- Texas A&M University, College Station, TX, USA
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23
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Manageiro V, Clemente L, Jones-Dias D, Albuquerque T, Ferreira E, Caniça M. CTX-M-15-Producing Escherichia coli in Dolphin, Portugal. Emerg Infect Dis 2016; 21:2249-51. [PMID: 26583927 PMCID: PMC4672440 DOI: 10.3201/eid2112.141963] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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24
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Wyrsch ER, Roy Chowdhury P, Chapman TA, Charles IG, Hammond JM, Djordjevic SP. Genomic Microbial Epidemiology Is Needed to Comprehend the Global Problem of Antibiotic Resistance and to Improve Pathogen Diagnosis. Front Microbiol 2016; 7:843. [PMID: 27379026 PMCID: PMC4908116 DOI: 10.3389/fmicb.2016.00843] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 05/22/2016] [Indexed: 11/18/2022] Open
Abstract
Contamination of waste effluent from hospitals and intensive food animal production with antimicrobial residues is an immense global problem. Antimicrobial residues exert selection pressures that influence the acquisition of antimicrobial resistance and virulence genes in diverse microbial populations. Despite these concerns there is only a limited understanding of how antimicrobial residues contribute to the global problem of antimicrobial resistance. Furthermore, rapid detection of emerging bacterial pathogens and strains with resistance to more than one antibiotic class remains a challenge. A comprehensive, sequence-based genomic epidemiological surveillance model that captures essential microbial metadata is needed, both to improve surveillance for antimicrobial resistance and to monitor pathogen evolution. Escherichia coli is an important pathogen causing both intestinal [intestinal pathogenic E. coli (IPEC)] and extraintestinal [extraintestinal pathogenic E. coli (ExPEC)] disease in humans and food animals. ExPEC are the most frequently isolated Gram negative pathogen affecting human health, linked to food production practices and are often resistant to multiple antibiotics. Cattle are a known reservoir of IPEC but they are not recognized as a source of ExPEC that impact human or animal health. In contrast, poultry are a recognized source of multiple antibiotic resistant ExPEC, while swine have received comparatively less attention in this regard. Here, we review what is known about ExPEC in swine and how pig production contributes to the problem of antibiotic resistance.
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Affiliation(s)
- Ethan R Wyrsch
- The ithree Institute, University of Technology Sydney, Sydney NSW, Australia
| | - Piklu Roy Chowdhury
- The ithree Institute, University of Technology Sydney, SydneyNSW, Australia; NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, SydneyNSW, Australia
| | - Toni A Chapman
- NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, Sydney NSW, Australia
| | - Ian G Charles
- Institute of Food Research, Norwich Research Park Norwich, UK
| | - Jeffrey M Hammond
- NSW Department of Primary Industries, Elizabeth Macarthur Agricultural Institute, Sydney NSW, Australia
| | - Steven P Djordjevic
- The ithree Institute, University of Technology Sydney, Sydney NSW, Australia
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25
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Osińska A, Harnisz M, Korzeniewska E. Prevalence of plasmid-mediated multidrug resistance determinants in fluoroquinolone-resistant bacteria isolated from sewage and surface water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:10818-10831. [PMID: 26893181 PMCID: PMC4884563 DOI: 10.1007/s11356-016-6221-4] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2015] [Accepted: 01/31/2016] [Indexed: 05/04/2023]
Abstract
Fluoroquinolones (FQs) are fully synthetic broad-spectrum antibacterial agents that are becoming increasingly popular in the treatment of clinical and veterinary infections. Being excreted during treatment, mostly as active compounds, their biological action is not limited to the therapeutic site, but it is moved further as resistance selection pressure into the environment. Water environment is an ideal medium for the aggregation and dissemination of antibiotics, antibiotic-resistant bacteria (ARB), and antibiotic resistance genes (ARGs), which can pose a serious threat to human health. Because of this, the aim of this study was to determine the number of fluoroquinolone-resistant bacteria (FQRB) and their share in total heterotrophic plate counts (HPC) in treated wastewater (TWW), and upstream and downstream river water (URW, DRW) samples where TWW is discharged. The spread of plasmid-mediated quinolone resistance (PMQR) determinants and the presence/absence of resistance genes to other most popular antibiotic groups (against tetracyclines and beta-lactams) in selected 116 multiresistant isolates were investigated. The share of FQRB in total HPC in all samples was rather small and ranged from 0.7 % in URW samples to 7.5 % in TWW. Bacteria from Escherichia (25.0 %), Acinetobacter (25.0 %), and Aeromonas (6.9 %) genera were predominant in the FQRB group. Fluoroquinolone resistance was mostly caused by the presence of the gene aac(6')-1b-cr (91.4 %). More rarely reported was the occurrence of qnrS, qnrD, as well as oqxA, but qnrA, qnrB, qepA, and oqxB were extremely rarely or never noted in FQRB. The most prevalent bacterial genes connected with beta-lactams' resistance in FQRB were bla TEM, bla OXA, and bla CTX-M. The bla SHV was less common in the community of FQRB. The occurrence of bla genes was reported in almost 29.3 % of FQRB. The most abundant tet genes in FQRB were tet(A), tet(L), tet(K), and tet(S). The prevalence of tet genes was observed in 41.4 % of FQRB. The highest prevalence of multidrug-resistant (MDR) microorganisms was detected in TWW and DRW samples. It indicates that discharged TWW harbors multiresistant bacterial strains and that mobile PMQR and ARGs elements may have a selective pressure for species affiliated to bacteria in the river water.
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Affiliation(s)
- Adriana Osińska
- Department of Environmental Microbiology, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn, Prawocheńskiego 1 Str., 10-720, Olsztyn, Poland
| | - Monika Harnisz
- Department of Environmental Microbiology, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn, Prawocheńskiego 1 Str., 10-720, Olsztyn, Poland
| | - Ewa Korzeniewska
- Department of Environmental Microbiology, Faculty of Environmental Sciences, University of Warmia and Mazury in Olsztyn, Prawocheńskiego 1 Str., 10-720, Olsztyn, Poland.
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Jones-Dias D, Manageiro V, Graça R, Sampaio DA, Albuquerque T, Themudo P, Vieira L, Ferreira E, Clemente L, Caniça M. QnrS1- and Aac(6')-Ib-cr-Producing Escherichia coli among Isolates from Animals of Different Sources: Susceptibility and Genomic Characterization. Front Microbiol 2016; 7:671. [PMID: 27242699 PMCID: PMC4876607 DOI: 10.3389/fmicb.2016.00671] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Accepted: 04/22/2016] [Indexed: 11/13/2022] Open
Abstract
Salmonella enterica and Escherichia coli can inhabit humans and animals from multiple origins. These bacteria are often associated with gastroenteritis in animals, being a frequent cause of resistant zoonotic infections. In fact, bacteria from animals can be transmitted to humans through the food chain and direct contact. In this study, we aimed to assess the antibiotic susceptibility of a collection of S. enterica and E. coli recovered from animals of different sources, performing a genomic comparison of the plasmid-mediated quinolone resistance (PMQR)-producing isolates detected. Antibiotic susceptibility testing revealed a high number of non-wild-type isolates for fluoroquinolones among S. enterica recovered from poultry isolates. In turn, the frequency of non-wild-type E. coli to nalidixic acid and ciprofloxacin was higher in food-producing animals than in companion or zoo animals. Globally, we detected two qnrS1 and two aac(6′)-Ib-cr in E. coli isolates recovered from animals of different origins. The genomic characterization of QnrS1-producing E. coli showed high genomic similarity (O86:H12 and ST2297), although they have been recovered from a healthy turtle dove from a Zoo Park, and from a dog showing symptoms of infection. The qnrS1 gene was encoded in a IncN plasmid, also carrying blaTEM−1−containing Tn3. Isolates harboring aac(6′)-Ib-cr were detected in two captive bottlenose dolphins, within a time span of two years. The additional antibiotic resistance genes of the two aac(6′)-Ib-cr-positive isolates (blaOXA−1, blaTEM−1,blaCTX−M−15, catB3, aac(3)-IIa, and tetA) were enclosed in IncFIA plasmids that differed in a single transposase and 60 single nucleotide variants. The isolates could be assigned to the same genetic sublineage—ST131 fimH30-Rx (O25:H4), confirming clonal spread. PMQR-producing isolates were associated with symptomatic and asymptomatic hosts, which highlight the aptitude of E. coli to act as silent vehicles, allowing the accumulation of antibiotic resistance genes, mobile genetic elements and other relevant pathogenicity determinants. Continuous monitoring of health and sick animals toward the presence of PMQR should be strongly encouraged in order to restrain the clonal spread of these antibiotic resistant strains.
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Affiliation(s)
- Daniela Jones-Dias
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo JorgeLisbon, Portugal; Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto UniversityOporto, Portugal
| | - Vera Manageiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo JorgeLisbon, Portugal; Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto UniversityOporto, Portugal
| | - Rafael Graça
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge Lisbon, Portugal
| | - Daniel A Sampaio
- Innovation and Technology Unit, Human Genetics Department, National Institute of Health Dr. Ricardo Jorge Lisbon, Portugal
| | - Teresa Albuquerque
- Instituto Nacional de Investigação Agrária e Veterinária Lisboa, Portugal
| | - Patrícia Themudo
- Instituto Nacional de Investigação Agrária e Veterinária Lisboa, Portugal
| | - Luís Vieira
- Innovation and Technology Unit, Human Genetics Department, National Institute of Health Dr. Ricardo Jorge Lisbon, Portugal
| | - Eugénia Ferreira
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo JorgeLisbon, Portugal; Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto UniversityOporto, Portugal
| | - Lurdes Clemente
- Instituto Nacional de Investigação Agrária e Veterinária Lisboa, Portugal
| | - Manuela Caniça
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo JorgeLisbon, Portugal; Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto UniversityOporto, Portugal
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27
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Salmonellosis: the role of poultry meat. Clin Microbiol Infect 2015; 22:110-121. [PMID: 26708671 DOI: 10.1016/j.cmi.2015.12.004] [Citation(s) in RCA: 338] [Impact Index Per Article: 37.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 12/02/2015] [Accepted: 12/03/2015] [Indexed: 02/07/2023]
Abstract
Salmonellosis remains one of the most frequent food-borne zoonoses, constituting a worldwide major public health concern. Currently, at a global level, the main sources of infection for humans include meat products, including the consumption of contaminated poultry meat, in spite of the success of Salmonella control measures implemented in food-animal production of industrialized countries. In recent years, a shift in Salmonella serotypes related to poultry and poultry production has been reported in diverse geographical regions, being particularly associated with the spread of certain well-adapted clones. Moreover, antimicrobial resistance in non-typhoidal Salmonella is considered one of the major public health threats related with food-animal production, including the poultry production chain and poultry meat, which is an additional concern in the management of salmonellosis. The circulation of the same multidrug-resistant Salmonella clones and/or identical mobile genetic elements encoding antibiotic resistance genes from poultry to humans highlights this scenario. The purpose of this review was to provide an overview of the role of poultry meat on salmonellosis at a global scale and the main problems that could hinder the success of Salmonella control measures at animal production level. With the increasing globalization of foodstuffs like poultry meat, new problems and challenges might arise regarding salmonellosis control, making new integrated intervention strategies necessary along the food chain.
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Jones-Dias D, Manageiro V, Martins AP, Ferreira E, Caniça M. New Class 2 Integron In2-4 Among IncI1-Positive Escherichia coli Isolates Carrying ESBL and PMAβ Genes from Food Animals in Portugal. Foodborne Pathog Dis 2015; 13:36-9. [PMID: 26575358 DOI: 10.1089/fpd.2015.1972] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The impact of extended-spectrum β-lactamases (ESBLs) and plasmid-mediated AmpC β-lactamases (PMAβs) of animal origin constitutes a public health concern. In this study, 179 Escherichia coli from food animals and products were analyzed, among which, 15 cephalosporin-resistant isolates harboring ESBL (CTX-M-1 [n = 8], CTX-M-14 [n = 1], SHV-12 [n = 2]) or PMAβ [CMY-2, n = 5]) were identified in poultry and swine, from different farms of distinct regions of Portugal. The multiple sequence-type IncI1-driven spread of ESBLs and PMAβs, flanked by widely disseminated mobile elements, was guaranteed by ST26/IncI1-harboring blaSHV-12, ST12/IncI1-harboring blaCMY-2, ST3 and ST38/IncI1-harboring blaCTX-M-1, and ST1/IncI1-harboring blaCTX-M-14. An IS10-disrupted In2-4, presenting a new attI2 recombination site, was also detected in a SHV-12/CTX-M-1-harboring isolate. This study highlights the fact that animals may act as persistent sources of ESBL- and PMAβ-harboring plasmids genes that might be transferred to humans through direct contact or via the food chain.
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Affiliation(s)
- Daniela Jones-Dias
- 1 National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AR/HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge , Lisbon, Portugal .,2 Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto University , Oporto, Portugal
| | - Vera Manageiro
- 1 National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AR/HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge , Lisbon, Portugal .,2 Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto University , Oporto, Portugal
| | - Ana P Martins
- 3 Microbiology Laboratory , Controlvet, Tondela, Portugal
| | - Eugénia Ferreira
- 1 National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AR/HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge , Lisbon, Portugal
| | - Manuela Caniça
- 1 National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AR/HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge , Lisbon, Portugal
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Jones-Dias D, Manageiro V, Caniça M. Influence of agricultural practice on mobile bla genes: IncI1-bearing CTX-M, SHV, CMY and TEM in Escherichia coli from intensive farming soils. Environ Microbiol 2015; 18:260-72. [PMID: 26279315 DOI: 10.1111/1462-2920.13021] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 08/12/2015] [Indexed: 11/30/2022]
Abstract
Many calls have been made to address antibiotic resistance in an environmental perspective. With this study, we showed the widespread presence of high-level antibiotic resistant isolates on a collection of non-susceptible Gram-negative bacteria (n = 232) recovered from soils. Bacteria were selected using amoxicillin, cefotaxime and imipenem, from sites representing different agricultural practices (extensive, intensive and organic). Striking levels of non-susceptibility were noticed in intensive soils for norfloxacin (74%), streptomycin (50.7%) and tetracycline (46.6%); indeed, the exposure to intensive agricultural practices constituted a risk factor for non-susceptibility to many antibiotics, multidrug resistance and production of extended-spectrum β-lactamases (ESBL). Analyses of non-susceptibility highlighted that environmental and clinical bacteria from the same species might not share the same intrinsic resistance patterns, raising concerns for therapy choices in environment-borne infections. The multiple sequence-type IncI1-driven spread of penicillinases (blaTEM-1, blaTEM-135), ESBL (blaSHV-12 and blaCTX-M-1) and plasmid-mediated AmpC β-lactamases (blaCMY-2), produced by isolates that share their molecular features with isolates from humans and animals, suggests contamination of agricultural soils. This is also the first appearance of IncI1/ST28-harbouring blaCTX-M-1, which should be monitored to prevent their establishment as successfully dispersed plasmids. This research may help disclose paths of contamination by mobile antibiotic resistance determinants and the risks for their dissemination.
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Affiliation(s)
- Daniela Jones-Dias
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AR/HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal.,Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto University, Oporto, Portugal
| | - Vera Manageiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AR/HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal.,Centre for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, Oporto University, Oporto, Portugal
| | - Manuela Caniça
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections (NRL-AR/HAI), Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Lisbon, Portugal
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Varela AR, Manageiro V, Ferreira E, Guimarães MA, da Costa PM, Caniça M, Manaia CM. Molecular evidence of the close relatedness of clinical, gull and wastewater isolates of quinolone-resistant Escherichia coli. J Glob Antimicrob Resist 2015; 3:286-289. [PMID: 27842875 DOI: 10.1016/j.jgar.2015.07.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Revised: 07/16/2015] [Accepted: 07/21/2015] [Indexed: 12/12/2022] Open
Abstract
Escherichia coli with reduced susceptibility to quinolones isolated from different environmental sources (urban wastewater treatment plants, n=61; hospital effluent, n=10; urban streams, n=9; gulls, n=18; birds of prey, n=17) and from hospitalised patients (n=28) were compared based on multilocus sequence typing (MLST) and pulsed-field gel electrophoresis (PFGE). The habitats with the most diversified genotypes of quinolone-resistant E. coli, corresponding to the highest genetic diversity (H'), were wastewater and gulls. In addition, genetically distinct populations were observed in clinical samples and birds of prey, suggesting the influence of the habitat or selective pressures on quinolone-resistant E. coli. The close genetic relatedness between isolates of clinical origin and from gulls and wastewater suggests the existence of potential routes of propagation between these sources. The most common sequence types were ST131 and ST10, with ST131 being highly specific to patients, although distributed in all of the other habitats except birds of prey. The prevalence of antimicrobial resistance was significantly higher in isolates from patients and gulls than from other sources (P<0.01), suggesting that the effect of selective pressures met by isolates subjected to strong human impacts. The evidence presented suggests the potential circulation of bacteria between the environmental and clinical compartments, with gulls being a relevant vector of bacteria and resistance genes.
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Affiliation(s)
- Ana Rita Varela
- Centro de Biotecnologia e Química Fina (CBQF), Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa/Porto, Rua Arquiteto Lobão Vital, Apartado 2511, 4202-401 Porto, Portugal
| | - Vera Manageiro
- National Reference Laboratory of Antimicrobial Resistance and Healthcare Associated Infections, National Institute of Health Dr Ricardo Jorge, Avenida Padre Cruz, 1649-016 Lisbon, Portugal
| | - Eugénia Ferreira
- National Reference Laboratory of Antimicrobial Resistance and Healthcare Associated Infections, National Institute of Health Dr Ricardo Jorge, Avenida Padre Cruz, 1649-016 Lisbon, Portugal
| | - M Augusta Guimarães
- Instituto Português de Oncologia Francisco Gentil, E.P.E, 4200-072 Porto, Portugal
| | - Paulo Martins da Costa
- Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto, Rua de Jorge Viterbo Ferreira 228, 4050-313 Porto, Portugal
| | - Manuela Caniça
- National Reference Laboratory of Antimicrobial Resistance and Healthcare Associated Infections, National Institute of Health Dr Ricardo Jorge, Avenida Padre Cruz, 1649-016 Lisbon, Portugal
| | - Célia M Manaia
- Centro de Biotecnologia e Química Fina (CBQF), Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa/Porto, Rua Arquiteto Lobão Vital, Apartado 2511, 4202-401 Porto, Portugal.
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Gomes-Neves E, Manageiro V, Ferreira E, Correia da Costa JM, Caniça M. First description of food-borne Salmonella enterica resistance regions R1 and R3 associated with IS26 elements. Res Microbiol 2015; 166:570-3. [DOI: 10.1016/j.resmic.2015.03.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Revised: 03/12/2015] [Accepted: 03/13/2015] [Indexed: 11/25/2022]
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Abstract
Quinolone antimicrobials are synthetic and widely used in clinical medicine. Resistance emerged with clinical use and became common in some bacterial pathogens. Mechanisms of resistance include two categories of mutation and acquisition of resistance-conferring genes. Resistance mutations in one or both of the two drug target enzymes, DNA gyrase and DNA topoisomerase IV, are commonly in a localized domain of the GyrA and ParE subunits of the respective enzymes and reduce drug binding to the enzyme-DNA complex. Other resistance mutations occur in regulatory genes that control the expression of native efflux pumps localized in the bacterial membrane(s). These pumps have broad substrate profiles that include quinolones as well as other antimicrobials, disinfectants, and dyes. Mutations of both types can accumulate with selection pressure and produce highly resistant strains. Resistance genes acquired on plasmids can confer low-level resistance that promotes the selection of mutational high-level resistance. Plasmid-encoded resistance is due to Qnr proteins that protect the target enzymes from quinolone action, one mutant aminoglycoside-modifying enzyme that also modifies certain quinolones, and mobile efflux pumps. Plasmids with these mechanisms often encode additional antimicrobial resistances and can transfer multidrug resistance that includes quinolones. Thus, the bacterial quinolone resistance armamentarium is large.
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Affiliation(s)
- David C Hooper
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, Massachusetts.,Harvard Medical School, Boston, Massachusetts
| | - George A Jacoby
- Lahey Hospital and Medical Center, Burlington, Massachusetts.,Harvard Medical School, Boston, Massachusetts
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Clemente L, Manageiro V, Jones-Dias D, Correia I, Themudo P, Albuquerque T, Geraldes M, Matos F, Almendra C, Ferreira E, Caniça M. Antimicrobial susceptibility and oxymino-β-lactam resistance mechanisms in Salmonella enterica and Escherichia coli isolates from different animal sources. Res Microbiol 2015; 166:574-83. [PMID: 26054292 DOI: 10.1016/j.resmic.2015.05.007] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Revised: 05/15/2015] [Accepted: 05/22/2015] [Indexed: 11/16/2022]
Abstract
The impact of extended-spectrum β-lactamases (ESBLs) and plasmid-mediated AmpC β-lactamases (PMAβs) of animal origin has been a public health concern. In this study, 562 Salmonella enterica and 598 Escherichia coli isolates recovered from different animal species and food products were tested for antimicrobial resistance. Detection of ESBL-, PMAβ-, plasmid-mediated quinolone resistance (PMQR)-encoding genes and integrons was performed in isolates showing non-wild-type phenotypes. Susceptibility profiles of Salmonella spp. isolates differed according to serotype and origin of the isolates. The occurrence of cefotaxime non-wild-type isolates was higher in pets than in other groups. In nine Salmonella isolates, blaCTX-M (n = 4), blaSHV-12 (n = 1), blaTEM-1 (n = 2) and blaCMY-2 (n = 2) were identified. No PMQR-encoding genes were found. In 47 E. coli isolates, blaCTX-M (n = 15), blaSHV-12 (n = 2), blaCMY-2 (n = 6), blaTEM-type (n = 28) and PMQR-encoding genes qnrB (n = 2), qnrS (n = 1) and aac(6')-Ib-cr (n = 6) were detected. To the best of our knowledge, this study is the first to describe the presence of blaCMY-2 (n = 2) and blaSHV-12 (n = 1) genes among S. enterica from broilers in Portugal. This study highlights the fact that animals may act as important reservoirs of isolates carrying ESBL-, PMAβ- and PMQR-encoding genes that might be transferred to humans through direct contact or via the food chain.
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Affiliation(s)
- Lurdes Clemente
- INIAV - National Institute for Agrarian and Veterinary Research, Microbiology and Mycology Laboratory, Estrada de Benfica, 701, 1549-011, Lisbon, Portugal.
| | - Vera Manageiro
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisbon, Portugal; Center for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Oporto, Oporto, Portugal.
| | - Daniela Jones-Dias
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisbon, Portugal; Center for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Oporto, Oporto, Portugal.
| | - Ivone Correia
- INIAV - National Institute for Agrarian and Veterinary Research, Microbiology and Mycology Laboratory, Estrada de Benfica, 701, 1549-011, Lisbon, Portugal.
| | - Patricia Themudo
- INIAV - National Institute for Agrarian and Veterinary Research, Microbiology and Mycology Laboratory, Estrada de Benfica, 701, 1549-011, Lisbon, Portugal.
| | - Teresa Albuquerque
- INIAV - National Institute for Agrarian and Veterinary Research, Microbiology and Mycology Laboratory, Estrada de Benfica, 701, 1549-011, Lisbon, Portugal.
| | - Margarida Geraldes
- INIAV - National Institute for Agrarian and Veterinary Research, Microbiology and Mycology Laboratory, Rua dos Lagidos, 4485-655, Vairão, Portugal.
| | - Filipa Matos
- INIAV - National Institute for Agrarian and Veterinary Research, Microbiology and Mycology Laboratory, Rua dos Lagidos, 4485-655, Vairão, Portugal.
| | - Cláudia Almendra
- INIAV - National Institute for Agrarian and Veterinary Research, Microbiology and Mycology Laboratory, Rua dos Lagidos, 4485-655, Vairão, Portugal.
| | - Eugénia Ferreira
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisbon, Portugal; Center for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Oporto, Oporto, Portugal.
| | - Manuela Caniça
- National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, Department of Infectious Diseases, National Institute of Health Dr. Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisbon, Portugal; Center for the Studies of Animal Science, Institute of Agrarian and Agri-Food Sciences and Technologies, University of Oporto, Oporto, Portugal.
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Ghodousi A, Bonura C, Di Noto AM, Mammina C. Extended-Spectrum ß-Lactamase, AmpC-Producing, and Fluoroquinolone-Resistant Escherichia coli in Retail Broiler Chicken Meat, Italy. Foodborne Pathog Dis 2015; 12:619-25. [PMID: 26135894 DOI: 10.1089/fpd.2015.1936] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Globally, antimicrobial drug-resistant Escherichia coli is among the most common etiological agents of invasive disease in humans. In Europe, increasing proportions of infections due to third-generation cephalosporins and/or fluoroquinolone-resistant extraintestinal pathogenic E. coli (ExPEC) strains are reported. E. coli from poultry are those more closely linked to human E. coli, but lack of reliable data makes it difficult to assess the attributable risk of different food sources. In the present study, our objective was to investigate the antimicrobial resistance profile, phylogenetic background, and virulence factors of E. coli isolates from broiler chicken meat sold at retail in Palermo, Italy. MATERIALS AND METHODS Isolation of multidrug resistant (MDR) E. coli was performed during April-December 2013 on a total of 163 chicken meat samples. Susceptibility to a panel of nine antimicrobial agents was determined. PCR assays were carried out to detect extended-spectrum β-lactamase (ESBL), plasmid-mediated AmpC β-lactamase, and plasmid-mediated quinolone resistance (PMQR) genes, phylogenetic group, and ExPEC-associated traits. A single nucleotide polymorphism (SNP) PCR was done to detect E. coli sequence type (ST)131. RESULTS One hundred thirty-four isolates from 109 meat samples were MDR. B1 was the most prevalent phylogenetic group (47.8%), followed by groups D (25.4%), A (22.3%), and B2 (4.5%). ESBLs and AmpC β-lactamases were detected by PCR in 132 (98.5%) and 15 (11.2%) isolates. PMQR determinants were detected in 122 (91%) isolates. Twenty-two MDR isolates met the molecular definition of ExPEC. SNP-PCR results confirmed that four B2 isolates were ST131. Enterobacterial Repetitive Intergenic Consensus sequence-PCR analysis showed a large heterogeneity with 55 unique profiles and 31 clusters including 2-4 isolates. CONCLUSIONS An alarmingly high prevalence of MDR E. coli from broiler chicken meat is evident in our geographic area. The ongoing use of antimicrobial drugs in livestock should be urgently restricted, particularly in the poultry sector.
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Affiliation(s)
- Arash Ghodousi
- 1 PhD Course in Molecular Medicine, University of Palermo , Palermo, Italy .,2 Department of Sciences for Health Promotion and Mother-Child Care "G. D'Alessandro," University of Palermo , Palermo, Italy
| | - Celestino Bonura
- 2 Department of Sciences for Health Promotion and Mother-Child Care "G. D'Alessandro," University of Palermo , Palermo, Italy
| | - Anna Maria Di Noto
- 3 Experimental Zooprophylactic Institute of Sicily "A. Mirri," Palermo, Italy
| | - Caterina Mammina
- 2 Department of Sciences for Health Promotion and Mother-Child Care "G. D'Alessandro," University of Palermo , Palermo, Italy
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Manageiro V, Ferreira E, Pinto M, Fonseca F, Ferreira M, Bonnet R, Caniça M. Two novel CMY-2-type β-lactamases encountered in clinical Escherichia coli isolates. Ann Clin Microbiol Antimicrob 2015; 14:12. [PMID: 25885413 PMCID: PMC4399151 DOI: 10.1186/s12941-015-0070-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Accepted: 02/24/2015] [Indexed: 02/04/2023] Open
Abstract
Background Chromosomally encoded AmpC β-lactamases may be acquired by transmissible plasmids which consequently can disseminate into bacteria lacking or poorly expressing a chromosomal blaAmpC gene. Nowadays, these plasmid-mediated AmpC β-lactamases are found in different bacterial species, namely Enterobacteriaceae, which typically do not express these types of β-lactamase such as Klebsiella spp. or Escherichia coli. This study was performed to characterize two E. coli isolates collected in two different Portuguese hospitals, both carrying a novel CMY-2-type β-lactamase-encoding gene. Findings Both isolates, INSRA1169 and INSRA3413, and their respective transformants, were non-susceptible to amoxicillin, amoxicillin plus clavulanic acid, cephalothin, cefoxitin, ceftazidime and cefotaxime, but susceptible to cefepime and imipenem, and presented evidence of synergy between cloxacilin and cefoxitin and/or ceftazidime. The genetic characterization of both isolates revealed the presence of blaCMY-46 and blaCMY-50 genes, respectively, and the following three resistance-encoding regions: a Citrobacter freundii chromosome-type structure encompassing a blc-sugE-blaCMY-2-type-ampR platform; a sul1-type class 1 integron with two antibiotic resistance gene cassettes (dfrA1 and aadA1); and a truncated mercury resistance operon. Conclusions This study describes two new blaCMY-2-type genes in E. coli isolates, located within a C. freundii-derived fragment, which may suggest their mobilization through mobile genetic elements. The presence of the three different resistance regions in these isolates, with diverse genetic determinants of resistance and mobile elements, may further contribute to the emergence and spread of these genes, both at a chromosomal or/and plasmid level.
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Affiliation(s)
- Vera Manageiro
- Department of Infectious Diseases, National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, National Institute of Health Dr. Ricardo Jorge, Av. Padre Cruz, 1649-016, Lisbon, Portugal. .,Centre for the Study of Animal Sciences (ICETA), University of Oporto, Oporto, Portugal.
| | - Eugénia Ferreira
- Department of Infectious Diseases, National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, National Institute of Health Dr. Ricardo Jorge, Av. Padre Cruz, 1649-016, Lisbon, Portugal.
| | - Margarida Pinto
- Laboratory of Microbiology, Hospital Garcia de Orta, EPE, Almada, Portugal. .,Present address: Laboratory of Microbiology, Centro Hospitalar de Lisboa Central, EPE, Lisbon, Portugal.
| | - Fernando Fonseca
- Laboratory of Clinical Pathology, Hospital de Santa Luzia, Viana do Castelo, Portugal. .,Present address: Laboratory of Clinical Pathology, Centro Hospitalar de Póvoa de Varzim-Vila do Conde, EPE, Póvoa de Varzim, Portugal.
| | - Mónica Ferreira
- Department of Infectious Diseases, National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, National Institute of Health Dr. Ricardo Jorge, Av. Padre Cruz, 1649-016, Lisbon, Portugal.
| | - Richard Bonnet
- CHU Clermont-Ferrand, Laboratoire de Bactériologie, Clermont-Ferrand, France.
| | - Manuela Caniça
- Department of Infectious Diseases, National Reference Laboratory of Antibiotic Resistances and Healthcare Associated Infections, National Institute of Health Dr. Ricardo Jorge, Av. Padre Cruz, 1649-016, Lisbon, Portugal.
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Voss-Rech D, Vaz CS, Alves L, Coldebella A, Leão JA, Rodrigues DP, Back A. A temporal study of Salmonella enterica serotypes from broiler farms in Brazil. Poult Sci 2015; 94:433-41. [DOI: 10.3382/ps/peu081] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
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Characteristic and antimicrobial resistance in Escherichia coli from retail meats purchased in the Czech Republic. Food Control 2015. [DOI: 10.1016/j.foodcont.2014.07.034] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Machuca J, Briales A, Labrador G, Díaz-de-Alba P, López-Rojas R, Docobo-Pérez F, Martínez-Martínez L, Rodríguez-Baño J, Pachón ME, Pascual A, Rodríguez-Martínez JM. Interplay between plasmid-mediated and chromosomal-mediated fluoroquinolone resistance and bacterial fitness in Escherichia coli. J Antimicrob Chemother 2014; 69:3203-15. [PMID: 25139837 DOI: 10.1093/jac/dku308] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Abstract
OBJECTIVES The aim of this study was to analyse the interplay among plasmid-mediated qnr genes, alone or in combination with multiple chromosomal-mediated fluoroquinolone (FQ) resistance determinants, susceptibility to FQs and bacterial fitness in an isogenic Escherichia coli collection. METHODS E. coli ATCC 25922 was used to modify or delete chromosomal genes. qnr genes were cloned into the pBK-CMV vector. The MICs of FQs were determined by microdilution. Mutant prevention concentration and frequency of mutants were evaluated. Bacterial fitness was analysed using ΔlacZ system competition assays using in vitro and in vivo models. RESULTS The relationships between the number of resistance mutations and bacterial fitness were complex. With specific combinations of resistance mechanisms the addition of a new resistance mutation was shown to improve bacterial fitness. qnrA1 caused a decrease in fitness (7%-21%) while qnrS1 caused an increase in fitness (9%-21%) when combined with chromosomal mutations. We identified susceptible triple mutants in which the acquisition of a fourth resistance mutation significantly increased fitness and at the same time reached the clinical resistance level (the acquisition of qnrS1 in a S83L + D87N + ΔmarR genetic background). A strong correlation with the production of reactive oxygen species, as well as changes in susceptibility, was observed following treatment with ciprofloxacin. CONCLUSIONS Our data indicate that there may be critical stages (depending on the genotype) in resistance development, including chromosomal- and plasmid-mediated mechanisms, at which some low-fitness mutants below the resistance breakpoint are able to evolve clinical resistance with just one or two mutations, and show increased fitness.
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Affiliation(s)
- Jesús Machuca
- Infectious Diseases and Clinical Microbiology Unit, University Hospital Virgen Macarena, Seville, Spain
| | - Alejandra Briales
- Department of Microbiology, University of Seville, Seville, Spain Spanish Network for Research in Infectious Diseases (REIPI RD12/0015), Instituto de Salud Carlos III, Madrid, Spain
| | - Gema Labrador
- Spanish Network for Research in Infectious Diseases (REIPI RD12/0015), Instituto de Salud Carlos III, Madrid, Spain Institute of Biomedicine of Seville (IBiS), University Hospital Virgen del Rocío/CSIC/University of Seville, Seville, Spain
| | | | - Rafael López-Rojas
- Spanish Network for Research in Infectious Diseases (REIPI RD12/0015), Instituto de Salud Carlos III, Madrid, Spain Institute of Biomedicine of Seville (IBiS), University Hospital Virgen del Rocío/CSIC/University of Seville, Seville, Spain
| | - Fernando Docobo-Pérez
- Infectious Diseases and Clinical Microbiology Unit, University Hospital Virgen Macarena, Seville, Spain Spanish Network for Research in Infectious Diseases (REIPI RD12/0015), Instituto de Salud Carlos III, Madrid, Spain
| | - Luis Martínez-Martínez
- Spanish Network for Research in Infectious Diseases (REIPI RD12/0015), Instituto de Salud Carlos III, Madrid, Spain University Hospital Marques de Valdecilla and Valdecilla Biomedical Research Institute (IDIVAL), Santander, Spain Department of Molecular Biology, University of Cantabria, Santander, Spain
| | - Jesús Rodríguez-Baño
- Infectious Diseases and Clinical Microbiology Unit, University Hospital Virgen Macarena, Seville, Spain Spanish Network for Research in Infectious Diseases (REIPI RD12/0015), Instituto de Salud Carlos III, Madrid, Spain Medicine Department, University of Seville, Seville, Spain
| | - Maria Eugenia Pachón
- Spanish Network for Research in Infectious Diseases (REIPI RD12/0015), Instituto de Salud Carlos III, Madrid, Spain Institute of Biomedicine of Seville (IBiS), University Hospital Virgen del Rocío/CSIC/University of Seville, Seville, Spain
| | - Alvaro Pascual
- Infectious Diseases and Clinical Microbiology Unit, University Hospital Virgen Macarena, Seville, Spain Department of Microbiology, University of Seville, Seville, Spain Spanish Network for Research in Infectious Diseases (REIPI RD12/0015), Instituto de Salud Carlos III, Madrid, Spain
| | - José-Manuel Rodríguez-Martínez
- Department of Microbiology, University of Seville, Seville, Spain Spanish Network for Research in Infectious Diseases (REIPI RD12/0015), Instituto de Salud Carlos III, Madrid, Spain
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Duarte A, Santos A, Manageiro V, Martins A, Fraqueza MJ, Caniça M, Domingues FC, Oleastro M. Human, food and animal Campylobacter spp. isolated in Portugal: high genetic diversity and antibiotic resistance rates. Int J Antimicrob Agents 2014; 44:306-13. [PMID: 25130097 DOI: 10.1016/j.ijantimicag.2014.06.012] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 06/02/2014] [Accepted: 06/13/2014] [Indexed: 10/25/2022]
Abstract
Infections by Campylobacter jejuni and Campylobacter coli are considered the major cause of bacterial gastroenteritis in humans, with food being the main source of infection. In this study, a total of 196 Campylobacter strains (125 isolates from humans, 39 from retail food and 32 from food animal sources) isolated in Portugal between 2009 and 2012 were characterised by multilocus sequence typing (MLST) and flaA short variable region (SVR) typing. Susceptibility to six antibiotics as well as the mechanisms underlying antibiotic resistance phenotypes was also studied. Based on MLST typing, C. coli strains were genetically more conserved, with a predominant clonal complex (CC828), than C. jejuni strains. In contrast, C. coli isolates were genetically more variable than C. jejuni with regard to flaA-SVR typing. A high rate of resistance was observed for quinolones (100% to nalidixic acid, >90% to ciprofloxacin) and, in general, resistance was more common among C. coli, especially for erythromycin (40.2% vs. 6.7%). In addition, most isolates (86%) were resistant to multiple antimicrobial families. Besides the expected point mutations associated with antibiotic resistance, detected polymorphisms in the cmeABC locus likely play a role in the multiresistant phenotype. This study provides for the first time an overview of the genetic diversity of Campylobacter strains from Portugal. It also shows a worrying antibiotic multiresistance rate and the emergence of Campylobacter strains resistant to antibiotics of human use.
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Affiliation(s)
- Andreia Duarte
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Avenida Infante D. Henrique, 6200-506 Covilhã, Portugal
| | - Andrea Santos
- National Reference Laboratory for Gastrointestinal Infections, Department of Infectious Diseases, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisbon, Portugal
| | - Vera Manageiro
- National Reference Laboratory of Antimicrobial Resistances, Department of Infectious Diseases, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisbon, Portugal
| | - Ana Martins
- Faculty of Veterinary Medicine, CIISA, TULisbon, Av. da Universidade Técnica, Pólo Universitário, Alto da Ajuda, 1300-477 Lisbon, Portugal
| | - Maria J Fraqueza
- Faculty of Veterinary Medicine, CIISA, TULisbon, Av. da Universidade Técnica, Pólo Universitário, Alto da Ajuda, 1300-477 Lisbon, Portugal
| | - Manuela Caniça
- National Reference Laboratory of Antimicrobial Resistances, Department of Infectious Diseases, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisbon, Portugal
| | - Fernanda C Domingues
- CICS-UBI-Health Sciences Research Centre, University of Beira Interior, Avenida Infante D. Henrique, 6200-506 Covilhã, Portugal.
| | - Mónica Oleastro
- National Reference Laboratory for Gastrointestinal Infections, Department of Infectious Diseases, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisbon, Portugal
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40
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Jones-Dias D, Manageiro V, Ferreira E, Louro D, Caniça M. Diversity of extended-spectrum and plasmid-mediated AmpC β-lactamases in Enterobacteriaceae isolates from Portuguese health care facilities. J Microbiol 2014; 52:496-503. [PMID: 24871975 DOI: 10.1007/s12275-014-3420-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Revised: 12/23/2013] [Accepted: 12/26/2013] [Indexed: 11/26/2022]
Abstract
A group of 124 Enterobacteriaceae isolates resistant to third generation cephalosporins, and collected in distinct health care facilities of different Portuguese regions was analysed. The great majority of the isolates were also resistant to fourth generation cephalosporins (83.9%), monobactam (96%), amoxicillin plus clavulanic acid (85.5%), and piperacillin plus tazobactam (66.9%). Overall, 84.7% (105/124) were multidrug resistant. Molecular methods enabled us to identify 86.3% (107/124) extended-spectrum β-lactamases (ESBL) producers, revealing a diversity of class A β-lactamases from different families, like TEM (TEM-1, TEM-10, TEM-24, and TEM-52), SHV (SHV-1, SHV-12, and SHV-28), CTX-M (CTX-M-1, CTX-M-9, CTX-M-14, CTX-M-15, and CTXM-32), and GES (GES-1). We have also detected class C enzymes like plasmid-mediated AmpC β-lactamases (PMAβs, DHA-1, and CMY-2) and chromosomal AmpCs in Enterobacter and Citrobacter spp. The PMAβ genetic context mapping suggests association with mobile elements, plasmid importation and the potential emergence of these β-lactamases. The most prevalent β-lactamase detected was CTX-M-15 (66.1%) and in 41.1% of the isolates it was associated with TEM-, OXA-type β-lactamases and Aac(6)᾿Ib-cr, which might indicate that the respective genotype has settled in our country. Indeed, CTX-M-15 was distributed amongst distinct clinical settings of several health care facilities (93.5%) from various regions. We provide evidence of a concerning clinical situation that includes vast occurrence of ESBLs, the settling of CTX-M β-lactamases, and the report of plasmidic and chromosomal AmpC in Portugal.
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Affiliation(s)
- Daniela Jones-Dias
- National Reference Laboratory of Antimicrobial Resistances, Department of Infectious Diseases, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016, Lisbon, Portugal
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41
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Manageiro V, Ferreira E, Caniça M, Manaia CM. GES-5 among theβ-lactamases detected in ubiquitous bacteria isolated from aquatic environment samples. FEMS Microbiol Lett 2013; 351:64-69. [DOI: 10.1111/1574-6968.12340] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 11/19/2013] [Accepted: 11/19/2013] [Indexed: 12/01/2022] Open
Affiliation(s)
- Vera Manageiro
- National Reference Laboratory of Antimicrobial Resistances; National Institute of Health Dr. Ricardo Jorge; Lisbon Portugal
- Centre for the Study of Animal Sciences (CECA/ICETA); University of Oporto; Oporto Portugal
| | - Eugénia Ferreira
- National Reference Laboratory of Antimicrobial Resistances; National Institute of Health Dr. Ricardo Jorge; Lisbon Portugal
| | - Manuela Caniça
- National Reference Laboratory of Antimicrobial Resistances; National Institute of Health Dr. Ricardo Jorge; Lisbon Portugal
| | - Célia M. Manaia
- CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado; Escola Superior de Biotecnologia; Universidade Católica Portuguesa/Porto; Porto Portugal
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