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Buiatte ABG, Souza SSR, Costa LRM, Peres PABM, de Melo RT, Sommerfeld S, Fonseca BB, Zac Soligno NI, Ikhimiukor OO, Armendaris PM, Andam CP, Rossi DA. Five centuries of genome evolution and multi-host adaptation of Campylobacter jejuni in Brazil. Microb Genom 2024; 10:001274. [PMID: 39028633 PMCID: PMC11316555 DOI: 10.1099/mgen.0.001274] [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: 02/12/2024] [Accepted: 07/03/2024] [Indexed: 07/21/2024] Open
Abstract
Consumption of raw, undercooked or contaminated animal food products is a frequent cause of Campylobacter jejuni infection. Brazil is the world's third largest producer and a major exporter of chicken meat, yet population-level genomic investigations of C. jejuni in the country remain scarce. Analysis of 221 C. jejuni genomes from Brazil shows that the overall core and accessory genomic features of C. jejuni are influenced by the identity of the human or animal source. Of the 60 sequence types detected, ST353 is the most prevalent and consists of samples from chicken and human sources. Notably, we identified the presence of diverse bla genes from the OXA-61 and OXA-184 families that confer beta-lactam resistance as well as the operon cmeABCR related to multidrug efflux pump, which contributes to resistance against tetracyclines, macrolides and quinolones. Based on limited data, we estimated the most recent common ancestor of ST353 to the late 1500s, coinciding with the time the Portuguese first arrived in Brazil and introduced domesticated chickens into the country. We identified at least two instances of ancestral chicken-to-human infections in ST353. The evolution of C. jejuni in Brazil was driven by the confluence of clinically relevant genetic elements, multi-host adaptation and clonal population growth that coincided with major socio-economic changes in poultry farming.
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Affiliation(s)
- Ana Beatriz Garcez Buiatte
- Molecular Epidemiology Laboratory, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
- Department of Biological Sciences, University at Albany, State University of New York, Albany, New York, USA
| | - Stephanie S. R. Souza
- Department of Biological Sciences, University at Albany, State University of New York, Albany, New York, USA
| | | | | | - Roberta Torres de Melo
- Molecular Epidemiology Laboratory, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
| | - Simone Sommerfeld
- Infectious Disease Laboratory, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
| | | | - Nicole I. Zac Soligno
- Department of Biological Sciences, University at Albany, State University of New York, Albany, New York, USA
| | - Odion O. Ikhimiukor
- Department of Biological Sciences, University at Albany, State University of New York, Albany, New York, USA
| | - Paulo Marcel Armendaris
- Federal Agriculture Defense Laboratory/RS - LFDA/RS, Porto Alegre, Rio Grande do Sul, Brazil
| | - Cheryl P. Andam
- Department of Biological Sciences, University at Albany, State University of New York, Albany, New York, USA
| | - Daise Aparecida Rossi
- Molecular Epidemiology Laboratory, Federal University of Uberlândia, Uberlândia, Minas Gerais, Brazil
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2
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Poorrashidi M, Hitchcock M, Xu J. Meta-analyses of the global multilocus genotypes of the human pathogen Campylobacter jejuni. Genome 2024; 67:189-203. [PMID: 38427983 DOI: 10.1139/gen-2023-0041] [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] [Indexed: 03/03/2024]
Abstract
Campylobacter infections are a leading cause of bacterial diarrheal illness worldwide, with increasing reports of outbreaks in both developing and developed countries. Most studies investigating strain genotypes and epidemiology of Campylobacter jejuni examined on a local scale. Using the archived multilocus sequence typing data at seven loci, and associated strain metadata from the PubMLST database, here we investigated the spatial and temporal genetic structure of the global population of C. jejuni. Our analyses revealed evidence for clonal dispersals of multiple sequence types (STs) among countries and continents. However, despite the observed clonal dispersal and that most genetic variations were found within individual geographic subpopulations, both the non-clone-corrected and clone-corrected samples showed evidence of significant genetic differentiation among national and continental subpopulations, with non-clone-corrected samples showing greater differentiation than clone-corrected samples. Phylogenetic incompatibility analyses provided evidence for recombination within each continental subpopulation. However, linkage disequilibrium analyses rejected the hypothesis of random recombination across the samples. Temporally, multiple STs were found to persist across four decades and the five globally most common STs showed relatively stable frequencies over the last two decades. We discussed the implications of our results to food security, disease transmission, and public health management.
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Affiliation(s)
- Monir Poorrashidi
- Department of Biology, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Megan Hitchcock
- Department of Biology, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Jianping Xu
- Department of Biology, McMaster University, Hamilton, ON L8S 4K1, Canada
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Yan R, M'ikanatha NM, Nachamkin I, Hudson LK, Denes TG, Kovac J. Prevalence of ciprofloxacin resistance and associated genetic determinants differed among Campylobacter isolated from human and poultry meat sources in Pennsylvania. Food Microbiol 2023; 116:104349. [PMID: 37689423 DOI: 10.1016/j.fm.2023.104349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 07/29/2023] [Accepted: 07/31/2023] [Indexed: 09/11/2023]
Abstract
Poultry is the primary source of Campylobacter infections and severe campylobacteriosis cases are treated with macrolides and fluoroquinolones. However, these drugs are less effective against antimicrobial-resistant strains. Here, we investigated the prevalence of phenotypic antimicrobial resistance and associated resistance genetic determinants in Campylobacter isolates collected from human clinical (N = 123) and meat (N = 80) sources in Pennsylvania in 2017 and 2018. Our goal was to assess potential differences in the prevalence of antimicrobial resistance in Campylobacter isolated from human and poultry meat sources in Pennsylvania and to assess the accuracy of predicting antimicrobial resistance phenotypes based on resistance genotypes. We whole genome sequenced isolates and identified genetic resistance determinants using the National Antimicrobial Resistance Monitoring System Campylobacter AMR workflow v2.0 in GalaxyTrakr. Phenotypic antimicrobial susceptibility testing was carried out using the E-Test and Sensititre CAMPYCMV methods for human clinical and poultry meat isolates, respectively, and the results were interpreted using the EUCAST epidemiological cutoff values. The 193 isolates were represented by 85 MLST sequence types and 23 clonal complexes, suggesting high genetic diversity. Resistance to erythromycin was confirmed in 6% human and 4% meat isolates. Prevalence of ciprofloxacin resistance was significantly higher in human isolates as compared to meat isolates. A good concordance was observed between phenotypic resistance and the presence of the corresponding known resistance genetic determinants.
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Affiliation(s)
- Runan Yan
- Department of Food Science, The Pennsylvania State University, University Park, PA, 16802, USA
| | | | - Irving Nachamkin
- Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Lauren K Hudson
- Department of Food Science, University of Tennessee, Knoxville, TN, 37996, USA
| | - Thomas G Denes
- Department of Food Science, University of Tennessee, Knoxville, TN, 37996, USA
| | - Jasna Kovac
- Department of Food Science, The Pennsylvania State University, University Park, PA, 16802, USA.
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4
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Aksomaitiene J, Novoslavskij A, Malakauskas M. Whole-Genome Sequencing-Based Profiling of Antimicrobial Resistance Genes and Core-Genome Multilocus Sequence Typing of Campylobacter jejuni from Different Sources in Lithuania. Int J Mol Sci 2023; 24:16017. [PMID: 37958998 PMCID: PMC10648690 DOI: 10.3390/ijms242116017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 10/30/2023] [Accepted: 11/01/2023] [Indexed: 11/15/2023] Open
Abstract
Campylobacter jejuni is known as one of the main causative agents of gastroenteritis in humans worldwide, and the rise of antimicrobial resistance (AMR) in Campylobacter is a growing public health challenge of special concern. Whole-genome sequencing (WGS) was used to characterize genetic determinants of AMR in 53 C. jejuni isolates from dairy cattle, broiler products, wild birds, and humans in Lithuania. The WGS-based study revealed 26 C. jejuni AMR markers that conferred resistance to various antimicrobials. Genetic markers associated with resistance to beta-lactamases, tetracycline, and aminoglycosides were found in 79.3%, 28.3%, and 9.4% of C. jejuni isolates, respectively. Additionally, genetic markers associated with multidrug resistance (MDR) were found in 90.6% of C. jejuni isolates. The WGS data analysis revealed that a common mutation in the quinolone resistance-determining region (QRDR) was R285K (854G > A) at 86.8%, followed by A312T (934G > A) at 83% and T86I (257C > T) at 71.7%. The phenotypic resistance analysis performed with the agar dilution method revealed that ciprofloxacin (CIP) (90.6%), ceftriaxone (CRO) (67.9%), and tetracycline (TET) (45.3%) were the predominant AMR patterns. MDR was detected in 41.5% (22/53) of the isolates tested. Fifty-seven virulence genes were identified in all C. jejuni isolates; most of these genes were associated with motility (n = 28) and chemotaxis (n = 10). Additionally, all C. jejuni isolates harbored virulence genes related to adhesion, invasion, LOS, LPS, CPS, transportation, and CDT. In total, 16 sequence types (STs) and 11 clonal complexes (CC) were identified based on core-genome MLST (cgMLST) analysis. The data analysis revealed distinct diversity depending on phenotypic and genotypic antimicrobial resistance of C. jejuni.
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Affiliation(s)
- Jurgita Aksomaitiene
- Department of Food Safety and Quality, Faculty of Veterinary Medicine, Lithuanian University of Health Sciences, Tilzes Str. 18, LT-47181 Kaunas, Lithuania; (A.N.); (M.M.)
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Ohno Y, Sekizuka T, Kuroda M, Ikeda T. Outbreaks of Campylobacteriosis Caused by Drinking Raw Milk in Japan: Evidence of Relationship Between Milk and Patients by Using Whole Genome Sequencing. Foodborne Pathog Dis 2023; 20:375-380. [PMID: 37471207 DOI: 10.1089/fpd.2023.0042] [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] [Indexed: 07/22/2023] Open
Abstract
Raw milk may contain some infectious bacteria and usually requires pasteurization before drinking. In this study, we report rare outbreaks of campylobacteriosis associated with raw milk in Japan, and the application of whole genome sequencing (WGS) to studies on foodborne diseases. In August 2018, there were three outbreaks of campylobacteriosis, presumably caused by the consumption of unpasteurized raw milk, derived from the same farm; thus, these three outbreaks seemed to be associated with a single contaminant at the farm. Therefore, we analyzed Campylobacter jejuni isolates obtained at the three locations using several genetic methods. The sequence type of each isolate, revealed by multilocus sequence typing, was ST-61, and the profile determined using pulsed-field gel electrophoresis was the same; however, neither method could distinguish these from previously obtained strains. Subsequently, we performed WGS and single nucleotide variant (SNV) analysis that provided evidence of clonality, indicating that C. jejuni contamination was attributed to the farm. As in this study, evidence suggests that SNV analysis provides molecular biological support in cases with sufficient epidemiological information. Hence, similar analytical methods may be used in other sporadic cases to elucidate the relevance of the cases.
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Affiliation(s)
- Yuta Ohno
- Department of Infectious Diseases, Hokkaido Institute of Public Health, Hokkaido, Japan
| | - Tsuyoshi Sekizuka
- Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan
| | - Makoto Kuroda
- Laboratory of Bacterial Genomics, Pathogen Genomics Center, National Institute of Infectious Diseases, Tokyo, Japan
| | - Tetsuya Ikeda
- Department of Infectious Diseases, Hokkaido Institute of Public Health, Hokkaido, Japan
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Aydin F, Kayman T, Abay S, Hizlisoy H, Saticioğlu İB, Karakaya E, Sahin O. MLST genotypes and quinolone resistance profiles of Campylobacter jejuni isolates from various sources in Turkey. Int J Food Microbiol 2023; 391-393:110137. [PMID: 36842255 DOI: 10.1016/j.ijfoodmicro.2023.110137] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/17/2023] [Accepted: 02/10/2023] [Indexed: 02/22/2023]
Abstract
This study was conducted to determine the overall genetic diversity, as well as prevalence and mechanisms of resistance to quinolone antibiotics of 178 Campylobacter jejuni isolated from humans, cattle, dogs, and chickens in Turkey. Multilocus sequence typing (MLST) and E-test were performed for genotyping and antimicrobial susceptibility testing, respectively. Mismatch Amplification Mutation Assay, Polymerase Chain Reaction (MAMA-PCR) was used to detect point mutations associated with quinolone resistance. Of the 178 isolates tested, 151 were included in 21 clonal complexes (CCs); the remaining 27 isolates did not belong to any existing CCs. CC21, CC353, CC206, and CC257 were the predominant clones, representing 38 % of all C. jejuni isolates tested. The isolates were assigned to 78 different sequence types (STs), three of which were novel (ST 8082, ST 8083, and ST 8084). Resistance to quinolones was found in 73 (41 %) of the isolates (42.85 %, 2.85 %, 20.58 %, and 43.75 % in human, cattle, dog, and chicken isolates, respectively). All of the resistant isolates had Thr-86-Ile mutation in the gyrA gene. The highest Sorensen coefficient index was detected for human/chicken meat and human/dog C. jejuni isolates (Ss = 0.71), suggesting a strong link between the isolates from respective sources. The Simpson diversity index of C. jejuni isolates analyzed was detected between 0.92 and 0.98. The study provides detailed information on the quinolone resistance and MLST-based genetic relatedness of C. jejuni isolates from humans, cattle, dog, and broiler meat in Turkey for the first time, enabling a better understanding of the transmission pathways of C. jejuni in this country. Our results suggest that broiler meat and dogs may be the most important sources of human campylobacteriosis in Turkey.
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Affiliation(s)
- Fuat Aydin
- Erciyes University, Faculty of Veterinary Medicine, Department of Microbiology, Kayseri, Türkiye
| | - Tuba Kayman
- Kırıkkale University, Faculty of Medicine, Department of Medical Microbiology, Kırıkkale, Türkiye
| | - Seçil Abay
- Erciyes University, Faculty of Veterinary Medicine, Department of Microbiology, Kayseri, Türkiye.
| | - Harun Hizlisoy
- Erciyes University, Faculty of Veterinary Medicine, Department of Veterinary Public Health, Kayseri, Türkiye
| | - İzzet Burçin Saticioğlu
- Bursa Uludag University, Faculty of Veterinary Medicine, Department of Aquatic Animal Diseases, Bursa, Türkiye
| | - Emre Karakaya
- Erciyes University, Faculty of Veterinary Medicine, Department of Microbiology, Kayseri, Türkiye
| | - Orhan Sahin
- Department of Veterinary Diagnostic and Production Animal Medicine, Iowa State University, Ames, USA
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7
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Liu JH, Lan CL, Yao GF, Kong NQ, Luo YW, Li CY, Bi SL. Comparison of pulsed-field gel electrophoresis and a novel amplified intergenic locus polymorphism method for molecular typing of Campylobacter jejuni. Arch Microbiol 2023; 205:49. [PMID: 36595076 DOI: 10.1007/s00203-022-03392-w] [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: 11/02/2022] [Revised: 12/25/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023]
Abstract
Campylobacter is regarded as the leading cause of zoonotic diseases and Campylobacter jejuni (C. jejuni) is one of the predominant pathogenic species. To track C. jejuni infections, various genotyping methods have been used. In this study, amplified intergenic locus polymorphism (AILP) was used to type C. jejuni for the first time. To confirm its feasibility, pulsed-field gel electrophoresis (PFGE) was performed as a control, and the results obtained by the AILP and PFGE methods were compared. Fifty-one isolates were resolved into 34 and 29 different genotypes with Simpson's indices of 0.976 and 0.967 using the AILP and PFGE methods, respectively. The adjusted Rand coefficient of the two approaches was as high as 0.845. In summary, the data showed that the two genotyping methods were similar for discriminating isolates and were both appropriate methods to distinguish whether two isolates were indistinguishable, but the AILP was faster and less costly than PFGE. Therefore, the AILP is a reliable, rapid, and highly discriminative method to genotype C. jejuni collected from poultry meat, which is helpful to effectively monitor C. jejuni.
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Affiliation(s)
- Jin-Hong Liu
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan, 528458, People's Republic of China
| | - Cheng-Lu Lan
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan, 528458, People's Republic of China
| | - Ge-Feng Yao
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan, 528458, People's Republic of China
| | - Nian-Qing Kong
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan, 528458, People's Republic of China
| | - Yong-Wen Luo
- School of South, China Agricultural University, Guangzhou, 510642, People's Republic of China
| | - Chu-Yi Li
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan, 528458, People's Republic of China
| | - Shui-Lian Bi
- School of Food Science, Guangdong Pharmaceutical University, Zhongshan, 528458, People's Republic of China.
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Prendergast DM, Lynch H, Whyte P, Golden O, Murphy D, Gutierrez M, Cummins J, Johnston D, Bolton D, Coffey A, Lucey B, O'Connor L, Byrne W. Genomic diversity, virulence and source of Campylobacter jejuni contamination in Irish poultry slaughterhouses by whole genome sequencing. J Appl Microbiol 2022; 133:3150-3160. [PMID: 35993276 PMCID: PMC9804324 DOI: 10.1111/jam.15753] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/12/2022] [Accepted: 07/28/2022] [Indexed: 01/05/2023]
Abstract
AIMS The aim was to exploit whole genome sequencing (WGS) to assess genomic diversity, identify virulence genes and deduce the proportion of Campylobacter colonized broilers that directly contaminate their carcasses. METHODS AND RESULTS Campylobacter jejuni isolates (107) from caeca and carcass neck skin samples (50 pairs from the same batch plus 7 individual caeca) sampled at three poultry slaughterhouses over a one-year period were selected for sequencing (MiSeq; Illumina). FastQ files were submitted to BioNumerics for analysis using the wgMLST scheme for allele calling. Campylobacter cgMLST and hierarchical clustering was performed by applying the single linkage algorithm. Sequence types (STs) were determined in silico from the WGS data and isolates were assigned into clonal complexes (CCs) using the Campylobacter PubMLST.org database. Virulence genes were determined by downloading core sequences from the virulence factor database (VFDB) and the National Center for Biotechnology Information (NCBI). A high degree of diversity was observed with 23 different STs identified. ST257 and CC-21 were the most common STs and CCs, respectively. cgMLST analysis suggested that 56% of carcass contamination was a direct result of contamination from caeca from the same batch. Virulence genes known to play a role in human C. jejuni infection were identified such as the wlaN gene and the genes associated with lipooligosaccharide synthesis, which were identified in 30% of isolates. CONCLUSIONS Caecal colonization was the more plausible occurring source of C. jejuni contamination of broiler carcasses, compared with cross-contamination from another batch or the environment. The high rate of genetic diversity observed amongst caecal isolates is consistent with a wide variety of Campylobacter strains circulating in poultry flocks in Ireland. SIGNIFICANCE AND IMPACT OF STUDY The results will further inform broiler processors and regulators about the influence and importance of on-farm colonization versus slaughterhouse cross-contamination and the relationship between C. jejuni in caeca and carcasses during processing.
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Affiliation(s)
| | - Helen Lynch
- Department of Agriculture, Food and the MarineCelbridgeIreland,School of Veterinary Medicine, Veterinary Science CentreUniversity College DublinDublin 4Ireland
| | - Paul Whyte
- School of Veterinary Medicine, Veterinary Science CentreUniversity College DublinDublin 4Ireland
| | - Olwen Golden
- Department of Agriculture, Food and the MarineCelbridgeIreland
| | - Declan Murphy
- Department of Agriculture, Food and the MarineCelbridgeIreland
| | | | - Juliana Cummins
- Department of Agriculture, Food and the MarineCelbridgeIreland
| | - Dayle Johnston
- Department of Agriculture, Food and the MarineCelbridgeIreland
| | | | - Aidan Coffey
- Department of Biological SciencesMunster Technological UniversityCorkIreland
| | - Brigid Lucey
- Department of Biological SciencesMunster Technological UniversityCorkIreland
| | - Lisa O'Connor
- Food Safety Authority of Ireland, IFSCDublin 1Ireland
| | - William Byrne
- Department of Agriculture, Food and the MarineCelbridgeIreland
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Šoprek S, Duvnjak S, Kompes G, Jurinović L, Tambić Andrašević A. Resistome Analysis of Campylobacter jejuni Strains Isolated from Human Stool and Primary Sterile Samples in Croatia. Microorganisms 2022; 10:1410. [PMID: 35889129 PMCID: PMC9322926 DOI: 10.3390/microorganisms10071410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/08/2022] [Accepted: 07/11/2022] [Indexed: 11/16/2022] Open
Abstract
Campylobacteriosis represents a global health challenge due to continuously increasing trends of antimicrobial resistance in Campylobacter jejuni. C. jejuni can sometimes cause life-threatening and severe systematic infections (bacteremia, meningitis, and other extraintestinal infections) with very few antibiotics left as treatment options. Bearing in mind that C. jejuni is the predominant species in humans, in this paper, we present a study of the C. jejuni differences in antimicrobial resistance and genotype distribution between strains isolated from stool and primary sterile sites. We compared the genomic data obtained through whole genome sequencing (WGS) and phenotypic susceptibility data of C. jejuni strains. Once antimicrobial susceptibility testing of C. jejuni strains was carried out by the broth microdilution method for six of interest, results were compared to the identified genotypic determinants derived from WGS. The high rate of resistance to fluoroquinolones presented in this study is in accordance with national surveillance data. The proportion of strains with acquired resistance was 71% for ciprofloxacin and 20% for tetracycline. When invasive isolates were analysed separately, 40% exhibited MIC values of ciprofloxacin higher than the ECOFFs, suggesting a lower flouroquinolone resistance rate in invasive isolates. All isolates demonstrated wilde-type phenotype for chloramphenicol, erythromycin, gentamicin, and ertapenem. A special focus and review in this study was performed on a group of C.jejuni strains found in primary sterile samples. Apart from demonstrating a lower resistance rate, these isolates seem genetically more uniform, showing epidemiologically more homogenous patterns, which cluster to several clonal complexes, with CC49 being the most represented clonal complex.
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Affiliation(s)
- Silvija Šoprek
- Department of Clinical Microbiology, University Hospital for Infectious Diseases "Dr. Fran Mihaljević", 10000 Zagreb, Croatia
| | - Sanja Duvnjak
- Laboratory for Bacterial Zoonoses and Molecular Diagnostics of Bacterial Diseases, Department for Bacteriology and Parasitology, Croatian Veterinary Institute, 10000 Zagreb, Croatia
| | - Gordan Kompes
- Laboratory for General Bacteriology and Mycology, Department for Bacteriology and Parasitology, Croatian Veterinary Institute, 10000 Zagreb, Croatia
| | - Luka Jurinović
- Laboratory for Bacteriology, Poultry Centre, Croatian Veterinary Institute, 10000 Zagreb, Croatia
| | - Arjana Tambić Andrašević
- Department of Clinical Microbiology, University Hospital for Infectious Diseases "Dr. Fran Mihaljević", 10000 Zagreb, Croatia
- School of Dental Medicine, University of Zagreb, 10000 Zagreb, Croatia
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10
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Tedersoo T, Roasto M, Mäesaar M, Kisand V, Ivanova M, Meremäe K. The Prevalence, Counts and MLST Genotypes of Campylobacter in Poultry Meat and Genomic Comparison with Clinical Isolates. Poult Sci 2022; 101:101703. [PMID: 35124442 PMCID: PMC8819112 DOI: 10.1016/j.psj.2022.101703] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Revised: 01/04/2022] [Accepted: 01/05/2022] [Indexed: 02/02/2023] Open
Abstract
Since 2005 campylobacteriosis has been the most commonly reported gastrointestinal infection in humans in the European Union with more than 200,000 cases annually. Also Campylobacter is one of the most frequent cause of food-borne outbreaks with 319 outbreaks reported to EFSA, involving 1,254 cases of disease and 125 hospitalizations in EU in 2019. Importantly poultry meat is one of the most common source for the sporadic Campylobacter infections and for strong-evidence campylobacteriosis food-borne outbreaks in EU. In present study, 429 fresh broiler chicken meat samples of Estonian, Latvian, and Lithuanian origin were collected from Estonian retail level and analyzed on a monthly basis between September 2018 and October 2019. Campylobacter spp. were isolated in 141 (32.9%) of 429 broiler chicken meat samples. Altogether 3 (1.8%), 49 (36.8%), and 89 (66.9%) of Estonian, Latvian, and Lithuanian origin broiler chicken meat samples were positive for Campylobacter spp. Among Campylobacter-positive samples, 62 (14.5%) contained Campylobacter spp. below 100 CFU/g and in 28 (6.5%) samples the count of Campylobacter spp. exceeded 1,000 CFU/g. A high prevalence of Campylobacter spp. in fresh broiler chicken meat of Lithuanian and Latvian origin in Estonian retail was observed. Additionally, 22 different multilocus sequence types were identified among 55 genotyped isolates of broiler chicken meat and human origin, of which 45 were Campylobacter jejuni (C. jejuni) and 10 were Campylobacter coli (C. coli). The most prevalent multilocus sequence types among C. jejuni was ST2229 and among C. coli ST832, ST872. C. jejuni genotypes found in both broiler chicken meat and human origin samples were ST122, ST464, ST7355, and ST9882, which indicates that imported fresh broiler chicken meat is likely the cause of human campylobacteriosis in Estonia.
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11
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Gahamanyi N, Song DG, Yoon KY, Mboera LEG, Matee MI, Mutangana D, Amachawadi RG, Komba EVG, Pan CH. Antimicrobial Resistance Profiles, Virulence Genes, and Genetic Diversity of Thermophilic Campylobacter Species Isolated From a Layer Poultry Farm in Korea. Front Microbiol 2021; 12:622275. [PMID: 33859624 PMCID: PMC8043113 DOI: 10.3389/fmicb.2021.622275] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 02/23/2021] [Indexed: 02/03/2023] Open
Abstract
Thermophilic Campylobacter species are among the major etiologies of bacterial enteritis globally. This study aimed at assessing the antimicrobial resistance (AMR) profiles, virulence genes, and genetic diversity of thermophilic Campylobacter species isolated from a layer poultry farm in South Korea. One hundred fifty-three chicken feces were collected from two layer poultry farms in Gangneung, South Korea. The Campylobacter species were isolated by cultural techniques, while PCR and sequencing were used for species confirmation. Antimicrobial susceptibility testing for six antimicrobials [ciprofloxacin (CIP), nalidixic acid (NAL), sitafloxacin (SIT), erythromycin (ERY), tetracycline (TET), and gentamicin (GEN)] was carried out by broth microdilution. Three AMR and nine virulence genes were screened by PCR. Genotyping was performed by flaA-restriction fragment length polymorphism (RFLP) and multilocus sequence typing (MLST). Of the 153 samples, Campylobacter spp. were detected in 55 (35.9%), with Campylobacter jejuni and Campylobacter coli being 49 (89.1%) and six (10.9%), respectively. High-level resistance was observed for CIP (100%), NAL (100%), and TET (C. jejuni, 93.9%; C. coli: 83.3%). No resistance was observed for SIT. The missense mutation (C257T) in gyrA gene was confirmed by sequencing, while the tet(O) gene was similar to known sequences in GenBank. The rate of multidrug-resistant (MDR) strains was 8.2%, and they all belonged to C. jejuni. All Campylobacter isolates possessed five virulence genes (cdtB, cstII, flaA, cadF, and dnaJ), but none possessed ggt, while the rates for other genes (csrA, ciaB, and pldA) ranged between 33.3 and 95.9%. The flaA-RFLP yielded 26 flaA types (C. jejuni: 21 and C. coli: five), while the MLST showed 10 sequence types (STs) for C. jejuni and three STs for C. coli, with CC-607 (STs 3611) and CC-460 (ST-460) being predominant. Among the 10 STs of C. jejuni, three were newly assigned. The findings of this study highlight the increased resistance to quinolones and TET, the virulence potential, and the diverse genotypes among Campylobacter strains isolated from the layer poultry farm.
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Affiliation(s)
- Noel Gahamanyi
- Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung, South Korea
- SACIDS Foundation for One Health, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
| | - Dae-Geun Song
- Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung, South Korea
| | - Kye-Yoon Yoon
- Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung, South Korea
| | - Leonard E. G. Mboera
- SACIDS Foundation for One Health, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
| | - Mecky I. Matee
- School of Medicine, Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania
| | | | - Raghavendra G. Amachawadi
- Department of Clinical Sciences, College of Veterinary Medicine, Kansas State University, Manhattan, KS, United States
| | - Erick V. G. Komba
- SACIDS Foundation for One Health, College of Veterinary Medicine and Biomedical Sciences, Sokoine University of Agriculture, Morogoro, Tanzania
| | - Cheol-Ho Pan
- Natural Product Informatics Research Center, KIST Gangneung Institute of Natural Products, Gangneung, South Korea
- Division of Bio-Medical Science and Technology, KIST School, Korea University of Science and Technology, Seoul, South Korea
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Verschuuren TD, van Hout D, Arredondo-Alonso S, Fluit AC, Reuland EA, Top J, Schürch AC, Bosch T, Bonten MJM, Kluytmans JAJW, Willems RJL. Comparative genomics of ESBL-producing Escherichia coli (ESBL-Ec) reveals a similar distribution of the 10 most prevalent ESBL-Ec clones and ESBL genes among human community faecal and extra-intestinal infection isolates in the Netherlands (2014-17). J Antimicrob Chemother 2021; 76:901-908. [PMID: 33428729 PMCID: PMC7953314 DOI: 10.1093/jac/dkaa534] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 11/19/2020] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION The human gut microbiota is an important reservoir of ESBL-producing Escherichia coli (ESBL-Ec). Community surveillance studies of ESBL-Ec to monitor circulating clones and ESBL genes are logistically challenging and costly. OBJECTIVES To evaluate if isolates obtained in routine clinical practice can be used as an alternative to monitor the distribution of clones and ESBL genes circulating in the community. METHODS WGS was performed on 451 Dutch ESBL-Ec isolates (2014-17), including 162 community faeces and 289 urine and blood isolates. We compared proportions of 10 most frequently identified STs, PopPUNK-based sequence clusters (SCs) and ESBL gene subtypes and the degree of similarity using Czekanowski's proportional similarity index (PSI). RESULTS Nine out of 10 most prevalent STs and SCs and 8/10 most prevalent ESBL genes in clinical ESBL-Ec were also the most common types in community faeces. The proportions of ST131 (39% versus 23%) and SC131 (40% versus 25%) were higher in clinical isolates than in community faeces (P < 0.01). Within ST131, H30Rx (C2) subclade was more prevalent among clinical isolates (55% versus 26%, P < 0.01). The proportion of ESBL gene blaCTX-M-1 was lower in clinical isolates (5% versus 18%, P < 0.01). Czekanowski's PSI confirmed that the differences in ESBL-Ec from community faeces and clinical isolates were limited. CONCLUSIONS Distributions of the 10 most prevalent clones and ESBL genes from ESBL-Ec community gut colonization and extra-intestinal infection overlapped in majority, indicating that isolates from routine clinical practice could be used to monitor ESBL-Ec clones and ESBL genes in the community.
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Affiliation(s)
- T D Verschuuren
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - D van Hout
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - S Arredondo-Alonso
- Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - A C Fluit
- Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - E A Reuland
- Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands
- Saltro Diagnostic Center for Primary Care, Utrecht, The Netherlands
- The Netherlands Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - J Top
- Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - A C Schürch
- Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - T Bosch
- The Netherlands Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
| | - M J M Bonten
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands
- Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - J A J W Kluytmans
- Julius Centre for Health Sciences and Primary Care, University Medical Centre Utrecht, Utrecht, The Netherlands
| | - R J L Willems
- Department of Medical Microbiology, University Medical Centre Utrecht, Utrecht, The Netherlands
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Sarhangi M, Bakhshi B, Peeraeyeh SN. High prevalence of Campylobacter jejuni CC21 and CC257 clonal complexes in children with gastroenteritis in Tehran, Iran. BMC Infect Dis 2021; 21:108. [PMID: 33485317 PMCID: PMC7824915 DOI: 10.1186/s12879-021-05778-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Accepted: 01/07/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Campylobacter jejuni (C. jejuni) is a leading cause of acute gastroenteritis in human worldwide. The aim of study was to assess the distribution of sialylated lipooligosaccharide (LOS) classes and capsular genotypes in C. jejuni isolated from Iranian children with gastroenteritis. Furthermore, the level of dnaK gene expression in C. jejuni strains with selected capsular genotypes and LOS classes was intended. Moreover, a comprehensive study of C. jejuni MLST-genotypes and inclusive comparison with peer sequences worldwide was intended. METHODS Twenty clinical C. jejuni strains were isolated from fecal specimens of 280 children aged 0-5 years, suspected of bacterial gastroenteritis, which admitted to 3 children hospitals from May to October, 2018. Distribution of sialylated LOS classes and specific capsular genotypes were investigated in C. jejuni of clinical origin. The expression of dnaK in C. jejuni strains was measured by Real-Time-PCR. MLST-genotyping was performed to investigate the clonal relationship of clinical C. jejuni strains and comparison with inclusive sequences worldwide. RESULTS C. jejuni HS23/36c was the predominant genotype (45%), followed by HS2 (20%), and HS19 and HS4 (each 10%). A total of 80% of isolates were assigned to LOS class B and C. Higher expression level of dnaK gene was detected in strains with HS23/36c, HS2 and HS4 capsular genotypes and sialylated LOS classes B or C. MLST analysis showed that isolates were highly diverse and represented 6 different sequence types (STs) and 3 clonal complexes (CCs). CC21 and CC257 were the most dominant CCs (75%) among our C. jejuni strains. No new ST and no common ST with our neighbor countries was detected. CONCLUSIONS The C. jejuni isolates with LOS class B or C, and capsular genotypes of HS23/36, HS2, HS4 and HS19 were dominant in population under study. The CC21 and CC257 were the largest CCs among our isolates. In overall picture, CC21 and CC353 complexes were the most frequently and widely distributed clonal complexes worldwide, although members of CC353 were not detected in our isolates. This provides a universal picture of movement of dominant Campylobacter strains worldwide.
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Affiliation(s)
- Mahnaz Sarhangi
- Department of Bacteriology, Faculty of Medical Sciences, Tarbiat Modares University, Jalal-Ale-Ahmad Ave, Tehran, 14117-13116 Iran
| | - Bita Bakhshi
- Department of Bacteriology, Faculty of Medical Sciences, Tarbiat Modares University, Jalal-Ale-Ahmad Ave, Tehran, 14117-13116 Iran
| | - Shahin Najar Peeraeyeh
- Department of Bacteriology, Faculty of Medical Sciences, Tarbiat Modares University, Jalal-Ale-Ahmad Ave, Tehran, 14117-13116 Iran
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