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Huong LQ, Chisnall T, Rodgers JD, Cawthraw SA, Card RM. Prevalence, antibiotic resistance, and genomic characterisation of Campylobacter spp. in retail chicken in Hanoi, Vietnam. Microb Genom 2024; 10:001190. [PMID: 38294872 PMCID: PMC10868608 DOI: 10.1099/mgen.0.001190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Accepted: 01/20/2024] [Indexed: 02/01/2024] Open
Abstract
Campylobacter spp. are a leading cause of bacterial foodborne zoonosis worldwide, with poultry meat and products recognised as a significant source of human infection. In Vietnam there are few data regarding the occurrence, antimicrobial resistance, and genomic diversity of Campylobacter in poultry and poultry meat. The aim of this study was to estimate the prevalence of Campylobacter in chicken meat at retail in Hanoi, determine antimicrobial sensitivities of the Campylobacter isolated, and assess their genetic diversity. A total of 120 chicken meat samples were collected from eight traditional retail markets (n=80) and four supermarkets (n=40). Campylobacter was isolated following ISO 10272-1 : 2017 and identification verified by PCR. The prevalence of Campylobacter was 38.3 % (46/120) and C. coli was the most prevalent species in both retail markets (74 %) and supermarkets (88 %). The minimum inhibitory concentrations for ciprofloxacin, erythromycin, gentamicin, nalidixic acid, streptomycin, and tetracycline were determined by broth microdilution for 32 isolates. All characterised Campylobacter were resistant to ciprofloxacin, nalidixic acid, and tetracycline, with corresponding resistance determinants detected in the sequenced genomes. Most C. coli were multidrug resistant (24/28) and two harboured the erythromycin resistance gene ermB on a multiple drug-resistance genomic island, a potential mechanism for dissemination of resistance. The 32 isolates belonged to clonal complexes associated with both poultry and people, such as CC828 for C. coli. These results contribute to the One Health approach for addressing Campylobacter in Vietnam by providing detailed new insights into a main source of human infection and can inform the design of future surveillance approaches.
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Affiliation(s)
- Luu Quynh Huong
- National Institute of Veterinary Research (NIVR), 86 Truong Chinh Road, Dong Da district, Hanoi, Vietnam
| | - Thomas Chisnall
- Animal and Plant Health Agency, Woodham Lane, New Haw, Addlestone, UK
| | - John D. Rodgers
- Animal and Plant Health Agency, Woodham Lane, New Haw, Addlestone, UK
| | - Shaun A. Cawthraw
- Animal and Plant Health Agency, Woodham Lane, New Haw, Addlestone, UK
| | - Roderick M. Card
- Animal and Plant Health Agency, Woodham Lane, New Haw, Addlestone, UK
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Deforet F, Jehanne Q, Bénéjat L, Aptel J, Prat R, Desbiolles C, Ducournau A, Jauvain M, Bonnet R, Vandenesch F, Lemoine J, Lehours P. Combined genomic-proteomic approach in the identification of Campylobacter coli amoxicillin-clavulanic acid resistance mechanism in clinical isolates. Front Microbiol 2023; 14:1285236. [PMID: 38029165 PMCID: PMC10666280 DOI: 10.3389/fmicb.2023.1285236] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 10/25/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction Aminopenicillins resistance among Campylobacter jejuni and Campylobacter coli strains is associated with a single mutation in the promoting region of a chromosomal beta-lactamase blaOXA61, allowing its expression. Clavulanic acid is used to restore aminopenicillins activity in case of blaOXA61 expression and has also an inherent antimicrobial activity over Campylobacter spp. Resistance to amoxicillin-clavulanic acid is therefore extremely rare among these species: only 0.1% of all Campylobacter spp. analyzed in the French National Reference Center these last years (2017-2022). Material and methods Whole genome sequencing with bioinformatic resistance identification combined with mass spectrometry (MS) was used to identify amoxicillin-acid clavulanic resistance mechanism in Campylobacters. Results A G57T mutation in blaOXA61 promoting region was identified in all C. jejuni and C. coli ampicillin resistant isolates and no mutation in ampicillin susceptible isolates. Interestingly, three C. coli resistant to both ampicillin and amoxicillin-clavulanic acid displayed a supplemental deletion in the promoting region of blaOXA61 beta-lactamase, at position A69. Using MS, a significant difference in the expression of BlaOXA61 was observed between these three isolates and amoxicillin-clavulanic acid susceptible C. coli. Conclusion A combined genomics/proteomics approach allowed here to identify a rare putative resistance mechanism associated with amoxicillin-clavulanic acid resistance for C. coli.
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Affiliation(s)
- Francis Deforet
- Institut des Sciences Analytiques, Université Claude Bernard Lyon 1, Lyon, France
| | - Quentin Jehanne
- Bacteriology Department, CHU de Bordeaux, National Reference Center for Campylobacters and Helicobacters, Bordeaux, France
| | - Lucie Bénéjat
- Bacteriology Department, CHU de Bordeaux, National Reference Center for Campylobacters and Helicobacters, Bordeaux, France
| | - Johanna Aptel
- Bacteriology Department, CHU de Bordeaux, National Reference Center for Campylobacters and Helicobacters, Bordeaux, France
| | - Roxane Prat
- Institut des Agents Infectieux, Hospices Civils de Lyon, Lyon, France
| | - Chloé Desbiolles
- Institut des Agents Infectieux, Hospices Civils de Lyon, Lyon, France
| | - Astrid Ducournau
- Bacteriology Department, CHU de Bordeaux, National Reference Center for Campylobacters and Helicobacters, Bordeaux, France
| | - Marine Jauvain
- Bacteriology Department, CHU de Bordeaux, National Reference Center for Campylobacters and Helicobacters, Bordeaux, France
- Bordeaux Institute of Oncology, BRIC U1312, INSERM, Université de Bordeaux, Bordeaux, France
| | - Richard Bonnet
- Laboratoire Associé CNR de la Résistance aux Antibiotiques, CHU de Clermont-Ferrand, Clermont-Ferrand, France
| | | | - Jérôme Lemoine
- Institut des Sciences Analytiques, Université Claude Bernard Lyon 1, Lyon, France
| | - Philippe Lehours
- Bacteriology Department, CHU de Bordeaux, National Reference Center for Campylobacters and Helicobacters, Bordeaux, France
- Bordeaux Institute of Oncology, BRIC U1312, INSERM, Université de Bordeaux, Bordeaux, France
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Dias TS, de Almeida Figueira A, Costa GA, da Cunha NC, Rossi DA, de Melo RT, de Almeida Pereira VL, de Aquino MHC. SVR-flaA typing of erythromycin- and ciprofloxacin-resistant Campylobacter jejuni strains isolated from poultry slaughterhouses in southern Brazil. Braz J Microbiol 2023; 54:1065-1073. [PMID: 37055624 PMCID: PMC10234967 DOI: 10.1007/s42770-023-00969-5] [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: 12/21/2022] [Accepted: 04/03/2023] [Indexed: 04/15/2023] Open
Abstract
The emergence of fluoroquinolone and macrolide resistance in C. jejuni, a recognized zoonotic pathogen, has increased worldwide. This study aimed to investigate phenotypic resistance to ciprofloxacin and erythromycin, the molecular mechanisms involved, and the strain of C. jejuni isolated from broiler carcasses. Eighty C. jejuni isolates from broiler carcasses in southern Brazil were investigated for their susceptibility to ciprofloxacin and erythromycin at minimal inhibitory concentrations. Mismatch amplification mutation assay-polymerase chain reaction (MAMA-PCR) was performed to detect substitutions of Thr-86-Ile, A2074C, and A2075G of domain V in the 23S rRNA. The presence of ermB gene and CmeABC operon were investigated by PCR. DNA sequencing was used to detect substitutions in the L4 and L22 proteins of the erythromycin-resistant strains. The Short Variable Region (SVR) of flaA was used to type all the strains resistant to both antimicrobials. Ciprofloxacin and erythromycin resistance were detected in 81.25% and 30.00% of the strains, respectively, and minimal inhibitory concentration values ranged from ≤ 0.125 to 64 µg/mL for ciprofloxacin and 0.5 to > 128 µg/mL for erythromycin. The Thr-86-Ile mutation in gyrA was observed in 100% of the ciprofloxacin-resistant strains. Mutations in both the A2074C and A2075G positions of 23S rRNA were observed in 62.5% of the erythromycin-resistant strains, while 37.5% had only the mutation A2075G. None of the strains harbored CmeABC operon, and ermB was not detected. Using DNA sequencing, the amino acid substitution T177S was detected in L4, and substitutions I65V, A103V, and S109A were detected in L22. Twelve flaA-SVR alleles were identified among the strains, with the most common SVR-flaA allele, type 287, covering 31.03% of ciprofloxacin- and erythromycin-resistant isolates. The present study revealed a high incidence and high levels of resistance to ciprofloxacin and erythromycin, as well as broad molecular diversity in C. jejuni isolates from broiler carcasses.
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Affiliation(s)
- Thomas Salles Dias
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Zip Code: 24230340, Niteroi, RJ, Brazil.
| | - Arthur de Almeida Figueira
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Zip Code: 24230340, Niteroi, RJ, Brazil
| | - Gisllany Alves Costa
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Zip Code: 24230340, Niteroi, RJ, Brazil
| | - Nathalie Costa da Cunha
- Department of Preventive Veterinary Medicine, Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, RJ, Brazil
| | - Daise Aparecida Rossi
- Laboratory of Molecular Epidemiology, Faculdade de Medicina Veterinária, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Roberta Torres de Melo
- Laboratory of Molecular Epidemiology, Faculdade de Medicina Veterinária, Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Virginia Léo de Almeida Pereira
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Zip Code: 24230340, Niteroi, RJ, Brazil
- Department of Preventive Veterinary Medicine, Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, RJ, Brazil
| | - Maria Helena Cosendey de Aquino
- Postgraduate Program in Veterinary Medicine (Veterinary Hygiene and Processing Technology of Animal Products), Faculdade de Veterinária, Universidade Federal Fluminense, Rua Vital Brasil Filho, 64, Zip Code: 24230340, Niteroi, RJ, Brazil
- Department of Preventive Veterinary Medicine, Faculdade de Veterinária, Universidade Federal Fluminense, Niteroi, RJ, Brazil
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Gao F, Tu L, Chen M, Chen H, Zhang X, Zhuang Y, Luo J, Chen M. Erythromycin resistance of clinical Campylobacter jejuni and Campylobacter coli in Shanghai, China. Front Microbiol 2023; 14:1145581. [PMID: 37260688 PMCID: PMC10229067 DOI: 10.3389/fmicb.2023.1145581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 03/20/2023] [Indexed: 06/02/2023] Open
Abstract
Campylobacter species are zoonotic pathogens, as well as the prevalent cause of foodborne bacterial gastroenteritis. The spread of antimicrobial-resistant strains poses a serious threat to global public health and attracts attention worldwide, but information about clinical Campylobacter is relatively limited compared to isolates from food and animals. The current study illustrated the prevalence and antimicrobial resistance profiles of Campylobacter jejuni and Campylobacter coli isolates collected from a consecutive surveillance program between 2012 and 2019 in Shanghai, China, using antimicrobial susceptibility testing and whole-genome sequencing. Among the 891 Campylobacter strains (761 C. jejuni and 130 C. coli) isolates collected, high portions above 90% of resistance to ciprofloxacin, nalidixic acid, and tetracycline were observed for both C. jejuni and C. coli. The most common MDR profiles represented by C. jejuni and C. coli were combination of ciprofloxacin, tetracycline, florfenicol and nalidixic acid (5.39%), and azithromycin, ciprofloxacin, erythromycin, gentamicin, tetracycline, clindamycin, nalidixic acid (28.46%), respectively. The erythromycin resistance of C. coli (59.23%) is higher than C. jejuni (2.50%). A total of 76 erythromycin resistant isolates (16 C. jejuni and 60 C. coli) were sequenced using Illumina platform for determining the genotypes, antimicrobial resistance patterns and phylogeny analysis. Multilocus sequence typing (MLST) analysis showed a high genetic diversity with 47 sequence types (STs), including 4 novel alleles and 12 new STs. The most abundant clonal complexes (CCs) were CC-403 (31.25%) and CC-828 (88.33%) for C. jejuni and C. coli, respectively. Among the 76 erythromycin-resistant isolates, mutation A2075G in 23S rRNA and erm(B) gene were detected in 53.95 and 39.47%, respectively. The erm(B) gene was identified exclusively in 30 C. coli isolates. All these erm(B) positive isolates were multi-drug resistant. Furthermore, comparison of the erm(B)-carrying isolates of multiple sources worldwide demonstrated the possibility of zoonotic transmission of erm(B) in Campylobacter. These findings highlight the importance of continuous surveillance of erythromycin resistance dissemination in Campylobacter which may compromise the effectiveness of antimicrobial therapy.
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Affiliation(s)
- Fen Gao
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Lihong Tu
- Department of Public Health Service and Safety Assessment, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Mingliang Chen
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Hongyou Chen
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Xi Zhang
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Yuan Zhuang
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Jiayuan Luo
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Min Chen
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
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The European Union Summary Report on Antimicrobial Resistance in zoonotic and indicator bacteria from humans, animals and food in 2020/2021. EFSA J 2023; 21:e07867. [PMID: 36891283 PMCID: PMC9987209 DOI: 10.2903/j.efsa.2023.7867] [Citation(s) in RCA: 39] [Impact Index Per Article: 39.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/08/2023] Open
Abstract
Antimicrobial resistance (AMR) data on zoonotic and indicator bacteria from humans, animals and food are collected annually by the EU Member States (MSs) and reporting countries, jointly analysed by EFSA and ECDC and presented in a yearly EU Summary Report. This report provides an overview of the main findings of the 2020-2021 harmonised AMR monitoring in Salmonella spp., Campylobacter jejuni and C. coli in humans and food-producing animals (broilers, laying hens and turkeys, fattening pigs and bovines under 1 year of age) and relevant meat thereof. For animals and meat thereof, indicator E. coli data on the occurrence of AMR and presumptive Extended spectrum β-lactamases (ESBL)-/AmpC β-lactamases (AmpC)-/carbapenemases (CP)-producers, as well as the occurrence of methicillin-resistant Staphylococcus aureus are also analysed. In 2021, MSs submitted for the first time AMR data on E. coli isolates from meat sampled at border control posts. Where available, monitoring data from humans, food-producing animals and meat thereof were combined and compared at the EU level, with emphasis on multidrug resistance, complete susceptibility and combined resistance patterns to selected and critically important antimicrobials, as well as Salmonella and E. coli isolates exhibiting ESBL-/AmpC-/carbapenemase phenotypes. Resistance was frequently found to commonly used antimicrobials in Salmonella spp. and Campylobacter isolates from humans and animals. Combined resistance to critically important antimicrobials was mainly observed at low levels except in some Salmonella serotypes and in C. coli in some countries. The reporting of a number of CP-producing E. coli isolates (harbouring bla OXA-48, bla OXA-181, and bla NDM-5 genes) in pigs, bovines and meat thereof by a limited number of MSs (4) in 2021, requests a thorough follow-up. The temporal trend analyses in both key outcome indicators (rate of complete susceptibility and prevalence of ESBL-/AmpC- producers) showed that encouraging progress have been registered in reducing AMR in food-producing animals in several EU MSs over the last years.
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Abstract
PURPOSE OF REVIEW Campylobacter is a major foodborne pathogen that infects the human intestinal tract. This review discusses the current status of antibiotic resistance, transmission of antibiotic resistance genes, and strategies to combat the global Campylobacter epidemic. RECENT FINDINGS Over the past 18 months, articles on Campylobacter antibiotic resistance have been published in ∼39 countries. Antibiotic-resistant Campylobacter have been detected in humans, livestock, poultry, wild animals, the environment, and food. Campylobacter spp. are resistant to a wide spectrum of antimicrobial agents, including the antibiotics quinolones, macrolides, tetracyclines, aminoglycosides, and chloramphenicols. Multidrug resistance is a globally emerging problem. Continuous antibiotic pressure promotes the spread of drug-resistant Campylobacter spp. Additionally, Campylobacter is well adapted to acquiring foreign drug resistance genes, including ermB, optrA, fexA, and cfrC, which are usually acquired from gram-positive bacteria. SUMMARY The widespread use of antibiotics has caused a global epidemic of drug-resistant Campylobacter infections. Many countries are actively reducing the use of antibiotics and adopting alternatives in the livestock and poultry industries to control the spread of drug-resistant Campylobacter spp.
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Draft genome sequence of a multidrug-resistant Campylobacter coli ST825 carrying several acquired antibiotic resistance genes isolated from poultry in China. J Glob Antimicrob Resist 2022; 30:265-268. [PMID: 35817262 DOI: 10.1016/j.jgar.2022.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 06/19/2022] [Accepted: 07/03/2022] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVES Campylobacter coli is a typical food-borne pathogen worldwide known to cause bacterial gastroenteritis in humans. This study reported a draft whole genome sequence of C. coli isolate obtained from the caecal contents of poultry in Jinhua, China. METHODS Whole genomic DNA was sequenced using an Illumina Novaseq 6000 platform in 150 bp paired-end mode. The generated reads were de novo assembled by SPAdes v.3.12.0. All probable coding sequences were annotated using the RAST (Rapid Annotation using Subsystem Technology), and antibiotic resistance-related genes were also further identified by ResFinder 4.1 and rgi 5.1.1. RESULTS The draft genome contained 1 794 608 bp, a total of 69 contigs, belonging to sequence type (ST) ST825, comprising 1972 coding genes, 42 transfer RNAs, 2 ribosomal RNA, and with a GC content of 31.2%. The RAST analysis revealed a total of 698 subsystems in the genome of C. coli WL32 strain, with most of the genes associated with amino acids and derivatives (21.35%) and protein metabolism (17.05%). The genes related to antibiotic resistance, including erm(B) gene associated with macrolide resistance, blaOXA-61 gene associated with resistance to β-lactams, aac (6')-aph(2'), ant(6)-Ia, aph(2')-If, aph(3')-III gene associated with resistance to aminoglycosides, tetO gene associated with resistance to tetracycline, cat gene associated with amphenicol, and gyrA with fluoroquinolone Thr-86-Ile substitution, were identified. Also, the virulence genes, including motA, motB, flaG, fliE, fliF, fliG, flhB, and flhF genes, were identified by WGS analysis. CONCLUSION We report the draft genome sequence of C. coli ST825 isolate obtained from a poultry in China, which could provide potential information for tracking the potential spread of such a multidrug-resistant clone from poultry product processing to human beings.
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Wang T, Zhao W, Li S, Yao H, Zhang Q, Yang L. Characterization of erm(B)-carrying Campylobacter spp. of retail chicken meat origin. J Glob Antimicrob Resist 2022; 30:173-177. [PMID: 35660664 DOI: 10.1016/j.jgar.2022.05.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 04/12/2022] [Accepted: 05/29/2022] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVES The erm(B) gene in Campylobacter, conferring resistance to macrolides, poses a great concern worldwide. In this study, the prevalence of erm(B) in Campylobacter of retail chicken meat origin was investigated and the characterization of erm(B)-harboring Campylobacter isolates was also analyzed. METHODS The antimicrobial susceptibility testing was performed to determine the susceptibility of Campylobacter isolates. Whole genome sequencing and analysis were used to characterize ST type and genetic context of erm(B). Natural transformation was conducted to evaluate transferability of the erm(B) gene. RESULTS A total of 16 (11.8%) Campylobacter isolates were obtained from 136 samples collected from retail chicken meat, among which 5 erm(B)-positive isolates were identified as C. coli belonging to ST3753 (n=4) and ST825 (n=1). Furthermore, a total of 22 Campylobacter spp. were erm(B)-positive in GenBank database, all except one C. jejuni isolate were collected in China. Diverse ST types were involved in these erm(B)-carrying isolates. Comparison analysis indicated that 11 types for genetic environment of erm(B) were identified, mostly associated with multidrug-resistance genomic islands (MDRGIs). The genetic context of erm(B) in C. coli of retail chicken meat origin showed highly nucleotide sequence identity to that in C. coli from human. CONCLUSION This is the first report of prevalence and characterization for erm(B) in Campylobacter of retail chicken meat origin. Highly homologous of genetic context of erm(B) in C. coli isolates from retail meat and human, implying the possibility of zoonotic transmission of erm(B) in Campylobacter, which poses a great threat to public health.
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Affiliation(s)
- Tao Wang
- School of Pharmaceutical Sciences, & Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, People's Republic of China
| | - Wenbo Zhao
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, People's Republic of China
| | - Shihong Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, People's Republic of China
| | - Hong Yao
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, People's Republic of China
| | - Qiurong Zhang
- School of Pharmaceutical Sciences, & Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, People's Republic of China.
| | - Longhua Yang
- School of Pharmaceutical Sciences, & Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, People's Republic of China.
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The European Union Summary Report on Antimicrobial Resistance in zoonotic and indicator bacteria from humans, animals and food in 2019–2020. EFSA J 2022; 20:e07209. [PMID: 35382452 PMCID: PMC8961508 DOI: 10.2903/j.efsa.2022.7209] [Citation(s) in RCA: 74] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
Data on antimicrobial resistance (AMR) in zoonotic and indicator bacteria from humans, animals and food are collected annually by the EU Member States (MSs), jointly analysed by the EFSA and the ECDC and reported in a yearly EU Summary Report. The annual monitoring of AMR in animals and food within the EU is targeted at selected animal species corresponding to the reporting year. The 2020 monitoring specifically focussed on poultry and their derived carcases/meat, while the monitoring performed in 2019 specifically focused on fattening pigs and calves under 1 year of age, as well as their derived carcases/meat. Monitoring and reporting of AMR in 2019–2020 included data regarding Salmonella, Campylobacter and indicator E. coli isolates, as well as data obtained from the specific monitoring of presumptive ESBL‐/AmpC‐/carbapenemase‐producing E. coli isolates. Additionally, some MSs reported voluntary data on the occurrence of methicillin‐resistant Staphylococcus aureus in animals and food, with some countries also providing data on antimicrobial susceptibility. This report provides an overview of the main findings of the 2019–2020 harmonised AMR monitoring in the main food‐producing animal populations monitored, in carcase/meat samples and in humans. Where available, monitoring data obtained from pigs, calves, broilers, laying hens and turkeys, as well as from carcase/meat samples and humans were combined and compared at the EU level, with particular emphasis on multidrug resistance, complete susceptibility and combined resistance patterns to critically important antimicrobials, as well as Salmonella and E. coli isolates possessing ESBL‐/AmpC‐/carbapenemase phenotypes. The key outcome indicators for AMR in food‐producing animals, such as complete susceptibility to the harmonised panel of antimicrobials in E. coli and the prevalence of ESBL‐/AmpC‐producing E. coli have been specifically analysed over the period 2014–2020.
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Aleksić E, Miljković-Selimović B, Tambur Z, Aleksić N, Biočanin V, Avramov S. Resistance to Antibiotics in Thermophilic Campylobacters. Front Med (Lausanne) 2021; 8:763434. [PMID: 34859016 PMCID: PMC8632019 DOI: 10.3389/fmed.2021.763434] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 10/21/2021] [Indexed: 12/23/2022] Open
Abstract
Campylobacter jejuni (C. jejuni) is one of the most frequent causes of bacterial enterocolitis globally. The disease in human is usually self-limiting, but when complications arise antibiotic therapy is required at a time when resistance to antibiotics is increasing worldwide. Mechanisms of antibiotic resistance in bacteria are diverse depending on antibiotic type and usage and include: enzymatic destruction or drug inactivation; alteration of the target enzyme; alteration of cell membrane permeability; alteration of ribosome structure and alteration of the metabolic pathway(s). Resistance of Campylobacter spp. to antibiotics, especially fluoroquinolones is now a major public health problem in developed and developing countries. In this review the mechanisms of resistance to fluoroquinolones, macrolides, tetracycline, aminoglycoside and the role of integrons in resistance of Campylobacter (especially at the molecular level) are discussed, as well as the mechanisms of resistance to β-lactam antibiotics, sulphonamides and trimethoprim. Multiple drug resistance is an increasing problem for treatment of campylobacter infections and emergence of resistant strains and resistance are important One Health issues.
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Affiliation(s)
- Ema Aleksić
- Faculty of Stomatology Pancevo, University Business Academy in Novi Sad, Pančevo, Serbia
| | | | - Zoran Tambur
- Faculty of Stomatology Pancevo, University Business Academy in Novi Sad, Pančevo, Serbia
| | - Nikola Aleksić
- Faculty of Stomatology Pancevo, University Business Academy in Novi Sad, Pančevo, Serbia.,Institute for Cardiovascular Disease "Dedinje, "Belgrade, Serbia
| | - Vladimir Biočanin
- Faculty of Stomatology Pancevo, University Business Academy in Novi Sad, Pančevo, Serbia
| | - Stevan Avramov
- Faculty of Stomatology Pancevo, University Business Academy in Novi Sad, Pančevo, Serbia.,Institute for Biological Research "Siniša Stanković," University of Belgrade, Belgrade, Serbia
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Emergence of erythromycin resistance methyltransferases in Campylobacter coli strains in France. Antimicrob Agents Chemother 2021; 65:e0112421. [PMID: 34370579 DOI: 10.1128/aac.01124-21] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Antimicrobial resistance in Campylobacters is described worldwide. The emergence of multiresistant isolates, particularly among C. coli, is concerning. New resistance mechanisms appear frequently, and DNA-sequence-based methods such as whole genome sequencing (WGS) have become useful tools to monitor their emergence. The genomes of 51 multiresistant French Campylobacter sp. clinical strains from 2018 to 2019 were analyzed to identify associated resistance mechanisms. Analyses of erythromycin-resistant strains revealed 23S ribosomal RNA mutations among most of them and two different methyltransferases in 4 strains: Erm(B) and a novel methyltransferase, here named Erm(N). The erm(B) gene was found in multidrug-resistant genomic islands, whereas erm(N) was inserted within CRISPR arrays of the CRISPR-cas9 operon. Moreover, using PCR screening in erythromycin-resistant strains from our collection, we showed that erm(N) was already present in 3 French clinical strains 2 years before its first report in 2018 in Quebec. Bacterial transformations confirmed that insertion of erm(N) into a CRISPR-cas9 operon can confer macrolide resistance. Campylobacter species are easily able to adapt to their environment and acquire new resistance mechanisms, and the emergence of methyltransferases in Campylobacters in France is a matter of concern in the coming years.
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The European Union Summary Report on Antimicrobial Resistance in zoonotic and indicator bacteria from humans, animals and food in 2018/2019. EFSA J 2021; 19:e06490. [PMID: 33868492 PMCID: PMC8040295 DOI: 10.2903/j.efsa.2021.6490] [Citation(s) in RCA: 115] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Data on antimicrobial resistance (AMR) in zoonotic and indicator bacteria from humans, animals and food are collected annually by the EU Member States (MSs), jointly analysed by the EFSA and the ECDC and reported in a yearly EU Summary Report. The annual monitoring of AMR in animals and food within the EU is targeted at selected animal species corresponding to the reporting year. The 2018 monitoring specifically focussed on poultry and their derived carcases/meat, while the monitoring performed in 2019 specifically focused on pigs and calves under 1 year of age, as well as their derived carcases/meat. Monitoring and reporting of AMR in 2018/2019 included data regarding Salmonella, Campylobacter and indicator Escherichia coli isolates, as well as data obtained from the specific monitoring of presumptive ESBL-/AmpC-/carbapenemase-producing E. coli isolates. Additionally, some MSs reported voluntary data on the occurrence of meticillin-resistant Staphylococcus aureus in animals and food, with some countries also providing data on antimicrobial susceptibility. This report provides an overview of the main findings of the 2018/2019 harmonised AMR monitoring in the main food-producing animal populations monitored, in related carcase/meat samples and in humans. Where available, data monitoring obtained from pigs, calves, broilers, laying hens and turkeys, as well as from carcase/meat samples and humans were combined and compared at the EU level, with particular emphasis on multidrug resistance, complete susceptibility and combined resistance patterns to critically important antimicrobials, as well as Salmonella and E. coli isolates possessing ESBL-/AmpC-/carbapenemase phenotypes. The outcome indicators for AMR in food-producing animals such as complete susceptibility to the harmonised panel of antimicrobials in E. coli and the prevalence of ESBL-/AmpC-producing E. coli have been also specifically analysed over the period 2015-2019.
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