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Yanestria SM, Effendi MH, Tyasningsih W, Moses IB, Khairullah AR, Kurniawan SC, Dameanti FNAEP, Ikaratri R, Pratama JWA, Sigit M, Hasib A, Silaen OSM. Antimicrobial resistance patterns and genes of Campylobacter jejuni isolated from chickens in Pasuruan, Indonesia. Open Vet J 2024; 14:759-768. [PMID: 38682147 PMCID: PMC11052610 DOI: 10.5455/ovj.2024.v14.i3.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 02/14/2024] [Indexed: 05/01/2024] Open
Abstract
Background Poultry is one of the most prominent sources of Campylobacter jejuni, which is also a major means of transmission to people. Campylobacter jejuni contamination in chicken meat comes from chicken feces because it naturally exists in the intestines of chickens. Aim The purpose of this study is to identify the antibiotic resistance patterns and genes of C. jejuni, which was found in chickens in Pasuruan, Indonesia. Methods The samples used in this study were 200 contents of the small intestine of broiler chickens from 40 farms in Pasuruan Regency. The enriched sample was streaked on the selective media of modified charcoal cefoperazone deoxycholate agar containing the CCDA selective supplement. Antimicrobial susceptibility test utilizing the Kirby-Bauer diffusion test method in accordance with Clinical and Laboratory Standards Institute standards. The polymerase chain reaction (PCR) method was used to detect the (hipO), which encodes the C. jejuni strain, fluoroquinolone resistance (gyrA), beta-lactam resistance (blaOXA-61), and tetracycline resistance (tetO) genes. Results The findings revealed a 14% (28/200) prevalence of C. jejuni in the small intestine of broiler chickens. These isolates showed high resistance to enrofloxacin (92.9%). All isolates (100%) were susceptible to amoxicillin-clavulanate. The PCR results showed all C. jejuni isolates (100%) detected the gyrA gene, 96.4% detected the blaOXA-61 gene, and 50% detected the tetO gene. Conclusion The findings of antimicrobial resistance at a high level from the small intestine of broiler chickens illustrate the potential threat to human health. To lessen the effects now and in the future, coordinated and suitable action is needed, as well as steps to guarantee the poultry industry's economic survival and public health insurance.
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Affiliation(s)
- Sheila Marty Yanestria
- Doctoral Program in Veterinary Science, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Mustofa Helmi Effendi
- Division of Veterinary Public Health, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Wiwiek Tyasningsih
- Division of Veterinary Microbiology, Faculty of Veterinary Medicine, Universitas Airlangga, Surabaya, Indonesia
| | - Ikechukwu Benjamin Moses
- Department of Applied Microbiology, Faculty of Science, Ebonyi State University, Abakaliki, Nigeria
| | - Aswin Rafif Khairullah
- Research Center for Veterinary Science, National Research and Innovation Agency (BRIN), Bogor, Indonesia
| | - Shendy Canadya Kurniawan
- Master Program of Animal Sciences, Department of Animal Sciences, Specialisation in Molecule, Cell and Organ Functioning, Wageningen University and Research, Wageningen, The Netherlands
| | | | - Rosmita Ikaratri
- Bacteriology Laboratory, Balai Besar Veteriner Wates, Yogyakarta, Indonesia
| | - Junianto Wika Adi Pratama
- Doctoral Program in Veterinary Science, Faculty of Veterinary Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
| | - Miarsono Sigit
- Division of Animal Husbandry, Faculty of Veterinary Medicine, Universitas Wijaya Kusuma Surabaya, Surabaya, Indonesia
| | - Abdullah Hasib
- School of Agriculture and Food Sustainability, The University of Queensland, Gatton, Australia
| | - Otto Sahat Martua Silaen
- Doctoral Program in Biomedical Science, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
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Lobo de Sá FD, Backert S, Nattramilarasu PK, Mousavi S, Sandle GI, Bereswill S, Heimesaat MM, Schulzke JD, Bücker R. Vitamin D Reverses Disruption of Gut Epithelial Barrier Function Caused by Campylobacter jejuni. Int J Mol Sci 2021; 22:ijms22168872. [PMID: 34445577 PMCID: PMC8396270 DOI: 10.3390/ijms22168872] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 08/09/2021] [Accepted: 08/16/2021] [Indexed: 12/31/2022] Open
Abstract
Infections by the zoonotic foodborne bacterium Campylobacter jejuni (C. jejuni) are among the most frequent causes of bacterial gastroenteritis worldwide. The aim was to evaluate the relationship between epithelial barrier disruption, mucosal immune activation, and vitamin D (VD) treatment during C. jejuni infection, using intestinal epithelial cells and mouse models focused on the interaction of C. jejuni with the VD signaling pathway and VD treatment to improve C. jejuni-induced barrier dysfunction. Our RNA-Seq data from campylobacteriosis patients demonstrate inhibition of VD receptor (VDR) downstream targets, consistent with suppression of immune function. Barrier-preserving effects of VD addition were identified in C. jejuni-infected epithelial cells and IL-10-/- mice. Furthermore, interference of C. jejuni with the VDR pathway was shown via VDR/retinoid X receptor (RXR) interaction. Paracellular leakiness of infected epithelia correlated with tight junction (TJ) protein redistribution off the TJ domain and apoptosis induction. Supplementation with VD reversed barrier impairment and prevented inhibition of the VDR pathway, as shown by restoration of transepithelial electrical resistance and fluorescein (332 Da) permeability. We conclude that VD treatment restores gut epithelial barrier functionality and decreases bacterial transmigration and might, therefore, be a promising compound for C. jejuni treatment in humans and animals.
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Affiliation(s)
- Fábia D. Lobo de Sá
- Nutritional Medicine/Clinical Physiology, Medical Department, Division of Gastroenterology, Infectious Diseases, Rheumatology, Charité—Universitätsmedizin Berlin, 12203 Berlin, Germany; (F.D.L.d.S.); (P.K.N.); (J.-D.S.)
| | - Steffen Backert
- Division of Microbiology, Department of Biology, University of Erlangen-Nürnberg, 91058 Erlangen, Germany;
| | - Praveen K. Nattramilarasu
- Nutritional Medicine/Clinical Physiology, Medical Department, Division of Gastroenterology, Infectious Diseases, Rheumatology, Charité—Universitätsmedizin Berlin, 12203 Berlin, Germany; (F.D.L.d.S.); (P.K.N.); (J.-D.S.)
| | - Soraya Mousavi
- Institute of Microbiology, Infectious Diseases and Immunology, Charité—Universitätsmedizin Berlin, 12203 Berlin, Germany; (S.M.); (S.B.); (M.M.H.)
| | - Geoffrey I. Sandle
- Institute of Medical Research at St James’s, St James’s University Hospital, Leeds LS9 7TF, UK;
| | - Stefan Bereswill
- Institute of Microbiology, Infectious Diseases and Immunology, Charité—Universitätsmedizin Berlin, 12203 Berlin, Germany; (S.M.); (S.B.); (M.M.H.)
| | - Markus M. Heimesaat
- Institute of Microbiology, Infectious Diseases and Immunology, Charité—Universitätsmedizin Berlin, 12203 Berlin, Germany; (S.M.); (S.B.); (M.M.H.)
| | - Jörg-Dieter Schulzke
- Nutritional Medicine/Clinical Physiology, Medical Department, Division of Gastroenterology, Infectious Diseases, Rheumatology, Charité—Universitätsmedizin Berlin, 12203 Berlin, Germany; (F.D.L.d.S.); (P.K.N.); (J.-D.S.)
| | - Roland Bücker
- Nutritional Medicine/Clinical Physiology, Medical Department, Division of Gastroenterology, Infectious Diseases, Rheumatology, Charité—Universitätsmedizin Berlin, 12203 Berlin, Germany; (F.D.L.d.S.); (P.K.N.); (J.-D.S.)
- Correspondence: ; Tel.: +49-30-450-514548
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3
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Petersen M, Ma L, Lu X. Rapid determination of viable but non-culturable Campylobacter jejuni in food products by loop-mediated isothermal amplification coupling propidium monoazide treatment. Int J Food Microbiol 2021; 351:109263. [PMID: 34116344 DOI: 10.1016/j.ijfoodmicro.2021.109263] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 05/12/2021] [Accepted: 05/25/2021] [Indexed: 11/19/2022]
Abstract
Campylobacter is the leading cause of foodborne human diarrhea worldwide. This microbe in the viable but non-culturable (VBNC) state can evade detection by routinely used culture-based methods and remain viable for extended periods of time. Bacteria in this dormancy state can resume their metabolic activity and virulence by resuscitation under favorable conditions, and subsequently cause infections. In this study, an assay combining loop-mediated isothermal amplification (LAMP) and propidium monoazide (PMA) treatment was developed for the detection and quantification of VBNC C. jejuni in agri-foods. PMA-qLAMP targeting the hipO gene demonstrated 100% high specificity to C. jejuni. A linear detection of C. jejuni was achieved between 8.77 × 102 and 8.77 × 07 CFU/mL with a coefficient of determination (R2) of 0.9956, indicating a good quantitative capacity. C. jejuni was effectively induced into the VBNC state by osmotic stress (i.e., 7% NaCl, w/v) over 48 h. VBNC C. jejuni cells were spiked into three representative food products and determined by PMA-qLAMP coupled with plating assay. The detection limits of PMA-qLAMP were 1.58 × 102 CFU/mL in milk, 3.78 × 102 CFU/g in chicken breast meat, and 4.33 × 102 CFU/g in romaine lettuce. PMA-qLAMP demonstrated rapid (25-40 min), specific (100% inclusivity and 100% exclusivity) and sensitive (~102 CFU/mL) determination of VBNC C. jejuni. This method can be applied in the agri-food industry to decrease the risks related to the consumption of contaminated agri-foods with pathogenic bacteria in the VBNC state and reduce the burden of C. jejuni infections to public health.
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Affiliation(s)
- Marlen Petersen
- Food Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Luyao Ma
- Food Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada
| | - Xiaonan Lu
- Food Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada; Department of Food Science and Agricultural Chemistry, Faculty of Agricultural and Environmental Sciences, McGill University, Ste Anne de Bellevue, QC H9X 3V9, Canada.
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Mouftah SF, Cobo-Díaz JF, Álvarez-Ordóñez A, Elserafy M, Saif NA, Sadat A, El-Shibiny A, Elhadidy M. High-throughput sequencing reveals genetic determinants associated with antibiotic resistance in Campylobacter spp. from farm-to-fork. PLoS One 2021; 16:e0253797. [PMID: 34166472 PMCID: PMC8224912 DOI: 10.1371/journal.pone.0253797] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 06/12/2021] [Indexed: 11/18/2022] Open
Abstract
Campylobacter species are one of the most common causative agents of gastroenteritis worldwide. Resistance against quinolone and macrolide antimicrobials, the most commonly used therapeutic options, poses a serious risk for campylobacteriosis treatment. Owing to whole genome sequencing advancements for rapid detection of antimicrobial resistance mechanisms, phenotypic and genotypic resistance trends along the "farm-to-fork" continuum can be determined. Here, we examined the resistance trends in 111 Campylobacter isolates (90 C. jejuni and 21 C. coli) recovered from clinical samples, commercial broiler carcasses and dairy products in Cairo, Egypt. Multidrug resistance (MDR) was observed in 10% of the isolates, mostly from C. coli. The prevalence of MDR was the highest in isolates collected from broiler carcasses (13.3%), followed by clinical isolates (10.5%), and finally isolates from dairy products (4%). The highest proportion of antimicrobial resistance in both species was against quinolones (ciprofloxacin and/or nalidixic acid) (68.4%), followed by tetracycline (51.3%), then erythromycin (12.6%) and aminoglycosides (streptomycin and/or gentamicin) (5.4%). Similar resistance rates were observed for quinolones, tetracycline, and erythromycin among isolates recovered from broiler carcasses and clinical samples highlighting the contribution of food of animal sources to human illness. Significant associations between phenotypic resistance and putative gene mutations was observed, with a high prevalence of the gyrA T86I substitution among quinolone resistant isolates, tet(O), tet(W), and tet(32) among tetracycline resistant isolates, and 23S rRNA A2075G and A2074T mutations among erythromycin resistant isolates. Emergence of resistance was attributed to the dissemination of resistance genes among various lineages, with the dominance of distinctive clones. For example, sub-lineages of CC828 in C. coli and CC21 in C. jejuni and the genetically related clonal complexes 'CC206 and CC48' and 'CC464, CC353, CC354, CC574', respectively, propagated across different niches sharing semi-homogenous resistance patterns.
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Affiliation(s)
- Shaimaa F. Mouftah
- Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt
| | - José F. Cobo-Díaz
- Department of Food Hygiene and Technology and Institute of Food Science and Technology, Universidad de León, León, Spain
| | - Avelino Álvarez-Ordóñez
- Department of Food Hygiene and Technology and Institute of Food Science and Technology, Universidad de León, León, Spain
| | - Menattallah Elserafy
- Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt
- Center for Genomics, Helmy Institute for Medical Sciences, Zewail City of Science and Technology, Giza, Egypt
| | - Nehal A. Saif
- Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt
| | - Asmaa Sadat
- Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Ayman El-Shibiny
- Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt
- Faculty of Environmental Agricultural Sciences, Arish University, Arish, Egypt
| | - Mohamed Elhadidy
- Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt
- Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
- * E-mail:
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5
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Ocejo M, Oporto B, Lavín JL, Hurtado A. Whole genome-based characterisation of antimicrobial resistance and genetic diversity in Campylobacter jejuni and Campylobacter coli from ruminants. Sci Rep 2021; 11:8998. [PMID: 33903652 PMCID: PMC8076188 DOI: 10.1038/s41598-021-88318-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 04/06/2021] [Indexed: 11/09/2022] Open
Abstract
Campylobacter, a leading cause of gastroenteritis in humans, asymptomatically colonises the intestinal tract of a wide range of animals.Although antimicrobial treatment is restricted to severe cases, the increase of antimicrobial resistance (AMR) is a concern. Considering the significant contribution of ruminants as reservoirs of resistant Campylobacter, Illumina whole-genome sequencing was used to characterise the mechanisms of AMR in Campylobacter jejuni and Campylobacter coli recovered from beef cattle, dairy cattle, and sheep in northern Spain. Genome analysis showed extensive genetic diversity that clearly separated both species. Resistance genotypes were identified by screening assembled sequences with BLASTn and ABRicate, and additional sequence alignments were performed to search for frameshift mutations and gene modifications. A high correlation was observed between phenotypic resistance to a given antimicrobial and the presence of the corresponding known resistance genes. Detailed sequence analysis allowed us to detect the recently described mosaic tet(O/M/O) gene in one C. coli, describe possible new alleles of blaOXA-61-like genes, and decipher the genetic context of aminoglycoside resistance genes, as well as the plasmid/chromosomal location of the different AMR genes and their implication for resistance spread. Updated resistance gene databases and detailed analysis of the matched open reading frames are needed to avoid errors when using WGS-based analysis pipelines for AMR detection in the absence of phenotypic data.
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Affiliation(s)
- Medelin Ocejo
- Animal Health Department, NEIKER - Basque Institute for Agricultural Research and Development, Basque Research and Technology Alliance (BRTA), Bizkaia Science and Technology Park 812L, 48160, Derio, Bizkaia, Spain
| | - Beatriz Oporto
- Animal Health Department, NEIKER - Basque Institute for Agricultural Research and Development, Basque Research and Technology Alliance (BRTA), Bizkaia Science and Technology Park 812L, 48160, Derio, Bizkaia, Spain
| | - José Luis Lavín
- Applied Mathematics Department, Bioinformatics Unit, NEIKER - Basque Institute for Agricultural Research and Development, Basque Research and Technology Alliance (BRTA), Bizkaia Science and Technology Park 812L, 48160, Derio, Bizkaia, Spain
| | - Ana Hurtado
- Animal Health Department, NEIKER - Basque Institute for Agricultural Research and Development, Basque Research and Technology Alliance (BRTA), Bizkaia Science and Technology Park 812L, 48160, Derio, Bizkaia, Spain.
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6
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Mortensen N, Jonasson SA, Lavesson IV, Emberland KE, Litleskare S, Wensaas KA, Rortveit G, Langeland N, Hanevik K. Characteristics of hospitalized patients during a large waterborne outbreak of Campylobacter jejuni in Norway. PLoS One 2021; 16:e0248464. [PMID: 33755697 PMCID: PMC7987138 DOI: 10.1371/journal.pone.0248464] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2020] [Accepted: 02/27/2021] [Indexed: 11/18/2022] Open
Abstract
Very few reports describe all hospitalized patients with campylobacteriosis in the setting of a single waterborne outbreak. This study describes the demographics, comorbidities, clinical features, microbiology, treatment and complications of 67 hospitalized children and adults during a large waterborne outbreak of Campylobacter jejuni in Askoy, Norway in 2019, where more than 2000 people in a community became ill. We investigated factors that contributed to hospitalization and treatment choices. Data were collected from electronic patient records during and after the outbreak. Fifty adults and seventeen children were included with a biphasic age distribution peaking in toddlers and middle-aged adults. Most children, 14 out of 17, were below 4 years of age. Diarrhea was the most commonly reported symptom (99%), whereas few patients (9%) reported bloody stools. Comorbidities were frequent in adults (63%) and included cardiovascular disease, pre-existing gastrointestinal disease or chronic renal failure. Comorbidities in children (47%) were dominated by pulmonary and gastrointestinal diseases. Adult patients appeared more severely ill than children with longer duration of stay, higher levels of serum creatinine and CRP and rehydration therapy. Ninety-two percent of adult patients were treated with intravenous fluid as compared with 12% of children. Almost half of the admitted children received antibiotics. Two patients died, including a toddler. Both had significant complicating factors. The demographic and clinical findings presented may be useful for health care planning and patient management in Campylobacter outbreaks both in primary health care and in hospitals.
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Affiliation(s)
- Nicolay Mortensen
- Children and Youth Clinic, Haukeland University Hospital, Bergen, Norway
- Department of Microbiology, Haukeland University Hospital, Bergen, Norway
| | | | | | - Knut Erik Emberland
- Research Unit for General Practice, NORCE Norwegian Research Centre, Bergen, Norway
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Sverre Litleskare
- Research Unit for General Practice, NORCE Norwegian Research Centre, Bergen, Norway
| | - Knut-Arne Wensaas
- Research Unit for General Practice, NORCE Norwegian Research Centre, Bergen, Norway
| | - Guri Rortveit
- Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
| | - Nina Langeland
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Kurt Hanevik
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Medicine, Norwegian National Advisory Unit on Tropical Infectious Diseases, Haukeland University Hospital, Bergen, Norway
- * E-mail:
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Joensen KG, Kiil K, Gantzhorn MR, Nauerby B, Engberg J, Holt HM, Nielsen HL, Petersen AM, Kuhn KG, Sandø G, Ethelberg S, Nielsen EM. Whole-Genome Sequencing to Detect Numerous Campylobacter jejuni Outbreaks and Match Patient Isolates to Sources, Denmark, 2015-2017. Emerg Infect Dis 2021; 26:523-532. [PMID: 32091364 PMCID: PMC7045838 DOI: 10.3201/eid2603.190947] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
In industrialized countries, the leading cause of bacterial gastroenteritis is Campylobacter jejuni. However, outbreaks are rarely reported, which may reflect limitations of surveillance, for which molecular typing is not routinely performed. To determine the frequency of genetic clusters among patients and to find links to concurrent isolates from poultry meat, broiler chickens, cattle, pigs, and dogs, we performed whole-genome sequencing on 1,509 C. jejuni isolates from 774 patients and 735 food or animal sources in Denmark during 2015–2017. We found numerous clusters; 366/774 (47.3%) clinical isolates formed 104 clusters of >2 isolates. A total of 41 patient clusters representing 199/366 (54%) patients matched a potential source, primarily domestic chickens/broilers. This study revealed serial outbreaks and numerous matches to concurrent food and animal isolates and highlighted the potential of whole-genome sequencing for improving routine surveillance of C. jejuni by enhancing outbreak detection, source tracing, and potentially prevention of human infections.
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Truccollo B, Whyte P, Burgess C, Bolton D. Genetic characterisation of a subset of Campylobacter jejuni isolates from clinical and poultry sources in Ireland. PLoS One 2021; 16:e0246843. [PMID: 33690659 PMCID: PMC7943001 DOI: 10.1371/journal.pone.0246843] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 01/26/2021] [Indexed: 01/09/2023] Open
Abstract
Campylobacter spp. is a significant and prevalent public health hazard globally. Campylobacter jejuni is the most frequently recovered species from human cases and poultry are considered the most important reservoir for its transmission to humans. In this study, 30 Campylobacter jejuni isolates were selected from clinical (n = 15) and broiler (n = 15) sources from a larger cohort, based on source, virulence, and antimicrobial resistance profiles. The objective of this study was to further characterise the genomes of these isolates including MLST types, population structure, pan-genome, as well as virulence and antimicrobial resistance determinants. A total of 18 sequence types and 12 clonal complexes were identified. The most common clonal complex was ST-45, which was found in both clinical and broiler samples. We characterised the biological functions that were associated with the core and accessory genomes of the isolates in this study. No significant difference in the prevalence of virulence or antimicrobial resistance determinants was observed between clinical and broiler isolates, although genes associated with severe illness such as neuABC, wlaN and cstIII were only detected in clinical isolates. The ubiquity of virulence factors associated with motility, invasion and cytolethal distending toxin (CDT) synthesis in both clinical and broiler C. jejuni genomes and genetic similarities between groups of broiler and clinical C. jejuni reaffirm that C. jejuni from poultry remains a significant threat to public health.
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Affiliation(s)
- Brendha Truccollo
- Food Safety Department, Teagasc Food Research Centre, Dublin, Republic of Ireland
- School of Veterinary Medicine, University College Dublin, Dublin, Republic of Ireland
| | - Paul Whyte
- School of Veterinary Medicine, University College Dublin, Dublin, Republic of Ireland
| | - Catherine Burgess
- Food Safety Department, Teagasc Food Research Centre, Dublin, Republic of Ireland
| | - Declan Bolton
- Food Safety Department, Teagasc Food Research Centre, Dublin, Republic of Ireland
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9
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Ramos AP, Leonhard SE, Halstead SK, Cuba MA, Castañeda CC, Dioses JA, Tipismana MA, Abanto JT, Llanos A, Gourlay D, Grogl M, Ramos M, Rojas JD, Meza R, Puiu D, Sherman RM, Salzberg SL, Simner PJ, Willison HJ, Jacobs BC, Cornblath DR, Umeres HF, Pardo CA. Guillain-Barré Syndrome Outbreak in Peru 2019 Associated With Campylobacter jejuni Infection. Neurol Neuroimmunol Neuroinflamm 2021; 8:e952. [PMID: 33547152 PMCID: PMC8057064 DOI: 10.1212/nxi.0000000000000952] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 11/23/2020] [Indexed: 12/02/2022]
Abstract
OBJECTIVE To identify the clinical phenotypes and infectious triggers in the 2019 Peruvian Guillain-Barré syndrome (GBS) outbreak. METHODS We prospectively collected clinical and neurophysiologic data of patients with GBS admitted to a tertiary hospital in Lima, Peru, between May and August 2019. Molecular, immunologic, and microbiological methods were used to identify causative infectious agents. Sera from 41 controls were compared with cases for antibodies to Campylobacter jejuni and gangliosides. Genomic analysis was performed on 4 C jejuni isolates. RESULTS The 49 included patients had a median age of 44 years (interquartile range [IQR] 30-54 years), and 28 (57%) were male. Thirty-two (65%) had symptoms of a preceding infection: 24 (49%) diarrhea and 13 (27%) upper respiratory tract infection. The median time between infectious to neurologic symptoms was 3 days (IQR 2-9 days). Eighty percent had a pure motor form of GBS, 21 (43%) had the axonal electrophysiologic subtype, and 18% the demyelinating subtype. Evidence of recent C jejuni infection was found in 28/43 (65%). No evidence of recent arbovirus infection was found. Twenty-three cases vs 11 controls (OR 3.3, confidence interval [CI] 95% 1.2-9.2, p < 0.01) had IgM and/or IgA antibodies against C jejuni. Anti-GM1:phosphatidylserine and/or anti-GT1a:GM1 heteromeric complex antibodies were strongly positive in cases (92.9% sensitivity and 68.3% specificity). Genomic analysis showed that the C jejuni strains were closely related and had the Asn51 polymorphism at cstII gene. CONCLUSIONS Our study indicates that the 2019 Peruvian GBS outbreak was associated with C jejuni infection and that the C jejuni strains linked to GBS circulate widely in different parts of the world.
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Affiliation(s)
- Ana P. Ramos
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Sonja E. Leonhard
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Susan K. Halstead
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Mireya A. Cuba
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Carlos C. Castañeda
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Jose A. Dioses
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Martin A. Tipismana
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Jesus T. Abanto
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Alejandro Llanos
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Dawn Gourlay
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Max Grogl
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Mariana Ramos
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Jesus D. Rojas
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Rina Meza
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Daniela Puiu
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Rachel M. Sherman
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Steven L. Salzberg
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Patricia J. Simner
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Hugh J. Willison
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - Bart C. Jacobs
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
| | - David R. Cornblath
- From the Departamento de Medicina (A.P.R., M.A.C., C.C.C., J.A.D., M.A.T., J.T.A., H.F.U.), Servicio de Neurología y Neuropsiquiatría, Hospital Cayetano Heredia, Lima, Perú; Department of Neurology (S.E.L.) and Department of Neurology and Department of Immunology (B.C.J.), Erasmus MC, University Medical Center Rotterdam, Netherlands; Institute of Infection, Immunity and Inflammation (S.K.H., D.G., H.J.W.), University of Glasgow, United Kingdom; Departamento de Enfermedades Infecciosas Tropicales y Dermatológicas (A.L.), Hospital Cayetano Heredia, Lima, Perú; U.S. Naval Medical Research Unit-6 (M.G., M.R., J.D.R., R.M.), Lima, Peru; Center for Computational Biology (D.P., R.M.S., S.L.S.), Department of Computer Science, Whiting School of Engineering, Johns Hopkins University, Baltimore, MD; and Department of Pathology (P.J.S.), Department of Neurology (D.R.C.), and Department of Neurology and Department of Pathology (C.A.P.), Johns Hopkins University School of Medicine, Baltimore, MD
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Hagos Y, Gugsa G, Awol N, Ahmed M, Tsegaye Y, Abebe N, Bsrat A. Isolation, identification, and antimicrobial susceptibility pattern of Campylobacter jejuni and Campylobacter coli from cattle, goat, and chicken meats in Mekelle, Ethiopia. PLoS One 2021; 16:e0246755. [PMID: 33566816 PMCID: PMC7875392 DOI: 10.1371/journal.pone.0246755] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 01/25/2021] [Indexed: 11/23/2022] Open
Abstract
Campylobacter jejuni and Campylobacter coli are globally recognized as a major cause of bacterial foodborne gastroenteritis. A cross-sectional study was conducted from October 2015 to May 2016 in Mekelle city to isolate, identify, and estimate the prevalence of C. jejuni and C. coli in raw meat samples and to determine their antibiotic susceptibility pattern. A total of 384 raw meat samples were randomly collected from bovine (n = 210), goat (n = 108), and chicken (n = 66), and isolation and identification of Campylobacter spp. were performed using standard bacteriological techniques and PCR. Antibiotic susceptibility test was performed using disc diffusion method. Of the total 384 raw meat samples, 64 (16.67%) were found positive for Campylobacter spp. The highest prevalence of Campylobacter spp. was found in chicken meat (43.93%) followed by bovine meat (11.90%) and goat meat (9.25%). The most prevalent Campylobacter spp. isolated from meat samples was C. jejuni (81.25%). The overall prevalence of Campylobacter in restaurants, butcher shops, and abattoir was 43.93%, 18.30%, and 9.30%, respectively. 96.8%, 81.25%, 75%, and 71% of the Campylobacter spp. isolates were sensitive to norfloxacin, erythromycin, chloramphenicol, and sulphamethoxazole-trimethoprim, respectively. However, 96.9%, 85.9%, and 50% of the isolates were resistant to ampicillin, amoxicillin, and streptomycin, respectively. Strains that developed multi-drug resistant were 68.7%. The result of this study revealed the occurrence of Campylobacter in bovine, goat, and chicken meats. Hence, there is a chance of acquiring infection via consumption of raw or undercooked meat. Thus, implementation of hygienic practices from a slaughterhouse to the retailers, proper handling and cooking of foods of meat are very important in preventing Campylobacter infection.
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Affiliation(s)
- Yohans Hagos
- Shire Agricultural Technical Vocational and Education Training College, Shire, Tigray, Ethiopia
| | - Getachew Gugsa
- Department of Veterinary Medicine, School of Veterinary Medicine, Wollo University, Dessie, Ethiopia
| | - Nesibu Awol
- Department of Veterinary Medicine, School of Veterinary Medicine, Wollo University, Dessie, Ethiopia
| | - Meselu Ahmed
- Department of Veterinary Medicine, School of Veterinary Medicine, Wollo University, Dessie, Ethiopia
| | - Yisehak Tsegaye
- Department of Veterinary Medicine, College of Veterinary Sciences, Mekelle University, Mekelle, Ethiopia
| | - Nigus Abebe
- Department of Veterinary Medicine, College of Veterinary Sciences, Mekelle University, Mekelle, Ethiopia
| | - Abrha Bsrat
- Department of Veterinary Medicine, College of Veterinary Sciences, Mekelle University, Mekelle, Ethiopia
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11
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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Chen W, Teng J, Yao L, Xu J, Liu G. Selection of Specific DNA Aptamers for Hetero-Sandwich-Based Colorimetric Determination of Campylobacter jejuni in Food. J Agric Food Chem 2020; 68:8455-8461. [PMID: 32663006 DOI: 10.1021/acs.jafc.0c02865] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Herein, a high-affinity single-stranded DNA aptamer (59 nt) against Campylobacter jejuni, defined as CJA1, was obtained using the whole-bacterium-based systemic evolution of ligands by exponential enrichment procedure. CJA1 was analyzed with a stable secondary structure and low dissociation constant (Kd) value of 1.37 ± 0.28 nM. The potential use of CJA1 was exemplified by the construction of a hetero-sandwich platform, in which C. jejuni was bound with a biotin-tagged CJA1 to perform a colorimetric reaction that is associated with visible color changes and detectable optical responses. Dependent upon this sensing platform, C. jejuni can be detected from 1.7 × 101 to 1.7 × 106 colony-forming units (CFU)/mL. The limit of detection (LOD) is obtained as 10 CFU/mL in PBS. The specificity study showed that the sensing platform is easy to distinguish C. jejuni from other common pathogens. Moreover, the C. jejuni-contaminated milk samples can also be accurately probed (LOD = 13 CFU/mL) without sacrificing its assay abilities, indicating the promising prospect of CJA1 in the fields of biosensing and diagnostics.
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Affiliation(s)
- Wei Chen
- Engineering Research Center of Food Bio-process, Ministry of Education (MOE), School of Food & Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, People's Republic of China
- Research Center for Biomedical and Health Science, School of Life and Health, Anhui Science & Technology University, Fengyang, Chuzhou, Anhui 233100, People's Republic of China
| | - Jun Teng
- Engineering Research Center of Food Bio-process, Ministry of Education (MOE), School of Food & Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, People's Republic of China
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58105, United States
| | - Li Yao
- Engineering Research Center of Food Bio-process, Ministry of Education (MOE), School of Food & Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, People's Republic of China
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, North Dakota 58105, United States
| | - Jianguo Xu
- Engineering Research Center of Food Bio-process, Ministry of Education (MOE), School of Food & Biological Engineering, Hefei University of Technology, Hefei, Anhui 230009, People's Republic of China
| | - Guodong Liu
- Research Center for Biomedical and Health Science, School of Life and Health, Anhui Science & Technology University, Fengyang, Chuzhou, Anhui 233100, People's Republic of China
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Wallace RL, Bulach DM, Jennison AV, Valcanis M, McLure A, Smith JJ, Graham T, Saputra T, Firestone S, Symes S, Waters N, Stylianopoulos A, Kirk MD, Glass K. Molecular characterization of Campylobacter spp. recovered from beef, chicken, lamb and pork products at retail in Australia. PLoS One 2020; 15:e0236889. [PMID: 32730330 PMCID: PMC7392323 DOI: 10.1371/journal.pone.0236889] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/15/2020] [Indexed: 02/02/2023] Open
Abstract
Australian rates of campylobacteriosis are among the highest in developed countries, yet only limited work has been done to characterize Campylobacter spp. in Australian retail products. We performed whole genome sequencing (WGS) on 331 C. coli and 285 C. jejuni from retail chicken meat, as well as beef, chicken, lamb and pork offal (organs). Campylobacter isolates were highly diverse, with 113 sequence types (STs) including 38 novel STs, identified from 616 isolates. Genomic analysis suggests very low levels (2.3-15.3%) of resistance to aminoglycoside, beta-lactam, fluoroquinolone, macrolide and tetracycline antibiotics. A majority (>90%) of isolates (52/56) possessing the fluoroquinolone resistance-associated T86I mutation in the gyrA gene belonged to ST860, ST2083 or ST7323. The 44 pork offal isolates were highly diverse, representing 33 STs (11 novel STs) and harboured genes associated with resistance to aminoglycosides, lincosamides and macrolides not generally found in isolates from other sources. Prevalence of multidrug resistant genotypes was very low (<5%), but ten-fold higher in C. coli than C. jejuni. This study highlights that Campylobacter spp. from retail products in Australia are highly genotypically diverse and important differences in antimicrobial resistance exist between Campylobacter species and animal sources.
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Affiliation(s)
- Rhiannon L. Wallace
- National Centre for Epidemiology and Population Health, The Australian National University, Canberra, Australian Capital Territory, Australia
| | - Dieter M. Bulach
- Melbourne Bioinformatics, The University of Melbourne, Melbourne, Victoria, Australia
- Microbiological Diagnostic Unit Public Health Laboratory, The Peter Doherty Institute, Melbourne, Victoria, Australia
| | - Amy V. Jennison
- Public Health Microbiology, Forensic and Scientific Services, Queensland Health, Brisbane, Queensland, Australia
| | - Mary Valcanis
- Microbiological Diagnostic Unit Public Health Laboratory, The Peter Doherty Institute, Melbourne, Victoria, Australia
| | - Angus McLure
- National Centre for Epidemiology and Population Health, The Australian National University, Canberra, Australian Capital Territory, Australia
| | - James J. Smith
- Food Safety Standards and Regulation, Health Protection Branch, Queensland Health, Brisbane, Queensland, Australia
| | - Trudy Graham
- Public Health Microbiology, Forensic and Scientific Services, Queensland Health, Brisbane, Queensland, Australia
| | - Themy Saputra
- New South Wales Food Authority, NSW Government, Sydney, New South Wales, Australia
| | - Simon Firestone
- Melbourne Veterinary School, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, Victoria, Australia
| | - Sally Symes
- Department of Health and Human Services, Victoria State Government, Melbourne, Victoria, Australia
| | - Natasha Waters
- ACT Government Analytical Laboratory, Australian Capital Territory Health Directorate, Canberra, Australian Capital Territory, Australia
| | - Anastasia Stylianopoulos
- Department of Health and Human Services, Victoria State Government, Melbourne, Victoria, Australia
| | - Martyn D. Kirk
- National Centre for Epidemiology and Population Health, The Australian National University, Canberra, Australian Capital Territory, Australia
| | - Kathryn Glass
- National Centre for Epidemiology and Population Health, The Australian National University, Canberra, Australian Capital Territory, Australia
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Mäesaar M, Tedersoo T, Meremäe K, Roasto M. The source attribution analysis revealed the prevalent role of poultry over cattle and wild birds in human campylobacteriosis cases in the Baltic States. PLoS One 2020; 15:e0235841. [PMID: 32645064 PMCID: PMC7347188 DOI: 10.1371/journal.pone.0235841] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 06/23/2020] [Indexed: 02/04/2023] Open
Abstract
The reservoir and source of human campylobacteriosis is primarily considered to be poultry, but also other such as ruminants, pets and environmental sources are related with infection burden. Multilocus sequence typing is often used for Campylobacter epidemiological studies to determine potential sources of human infections. The collection of 420 Campylobacter jejuni isolates with assigned MLST genotype from poultry (n = 139), cattle (n = 48) and wild birds (n = 101) were used in source attribution analysis. Asymmetric island model with accurate and congruent self-attribution results, was used to determine potential sources of human C. jejuni infections (n = 132) in Baltic States. Source attribution analysis revealed that poultry (88.3%) is the main source of C. jejuni human infections followed by cattle and wild bird with 9.4% and 2.3%, respectively. Our findings demonstrated that clinical cases of C. jejuni infections in Baltic countries are mainly linked to poultry, but also to cattle and wild bird sources.
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Affiliation(s)
- Mihkel Mäesaar
- Chair of Food Hygiene and Veterinary Public Health, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Tartu, Estonia
- * E-mail:
| | | | - Kadrin Meremäe
- Chair of Food Hygiene and Veterinary Public Health, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Tartu, Estonia
| | - Mati Roasto
- Chair of Food Hygiene and Veterinary Public Health, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Tartu, Estonia
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Abstract
CASE A 59-year-old man with previously well-functioning partial knee replacement was admitted with a warm, swollen, and painful knee. The clinical presentation was consistent with prosthetic joint infection (PJI), but the synovial fluid analysis was negative for microbial growth. Further discussion revealed earlier Campylobacter jejuni enterocolitis that subsequently provoked reactive arthritis (ReA) mimicking PJI. The patient was treated with oral naproxen and intra-articular injection of triamcinolone and recovered completely without antibiotics or surgery. After 29 months, the knee is functioning normally. CONCLUSION ReA is rare but should be included in the differential diagnosis of PJI.
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Affiliation(s)
- Rene Mihalič
- 1Service for Bone Infections, Valdoltra Orthopaedic Hospital, Ankaran, Slovenia
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16
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Sylte MJ, Shippy DC, Bearson BL, Bearson SMD. Detection of Campylobacter jejuni liver dissemination in experimentally colonized turkey poults. Poult Sci 2020; 99:4028-4033. [PMID: 32731990 PMCID: PMC7597910 DOI: 10.1016/j.psj.2020.03.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 03/10/2020] [Accepted: 03/23/2020] [Indexed: 12/03/2022] Open
Abstract
Consumption of contaminated poultry products, including chicken livers, is the main source of human campylobacteriosis and approximately 90% of human cases are caused by Campylobacter jejuni subsp. jejuni (C. jejuni). Recent culinary trends that favor undercooked chicken livers may be responsible for outbreaks. Turkey is an emerging human protein source, and poultry livers are commonly prepared in popular cuisine such as pâté. The mechanism of how Campylobacter disseminates to poultry liver tissue is unknown. We have previously demonstrated that certain strains of C. jejuni persistently colonize turkeys with the highest density in the ceca. Whether C. jejuni disseminates to the liver of turkeys following intestinal colonization is unknown. In this study, 45 D of hatch turkey poults were co-housed for 30 D. Five poults were euthanized to screen for Campylobacter colonization, and were free of detectable Campylobacter. The remaining 40 poults were randomly split into 2 rooms, with 20 poults per room. At 35 D of age, poults were inoculated by oral gavage with 1 × 106 cfu of C. jejuni isolate NCTC 11168 or mock-inoculated with sterile medium. Ten poults from each room were euthanized at 7 and 14 D post-inoculation (dpi), and cecal contents and livers were cultured and/or enriched for Campylobacter. Livers were harvested aseptically. The ceca of C. jejuni-inoculated poults were highly colonized at 7 and 14 dpi with approximately 108 cfu/mL of cecal contents. At 7 and 14 dpi, 3 and 5 of 10 liver samples were positive for C. jejuni culture (8.6 × 103 cfu/g of liver ± 4.43 × 103 and 5.10 × 103 cfu/g of liver ± 1.74 × 103), respectively. At 14 dpi, liver samples were cultured by enrichment, and 6 of 10 were positive for Campylobacter. Some liver samples may be below the limit of detection for direct plate culturing. These data determined that turkey liver is a potential reservoir of C. jejuni following intestinal colonization, and identified a potential food safety consideration when turkey liver is prepared for human or pet food consumption.
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Affiliation(s)
- Matthew J Sylte
- Food Safety and Enteric Pathogens Research Unit, National Animal Disease Center (NADC), U.S. Department of Agriculture (USDA), Agricultural Research Services (ARS), Ames, IA, USA.
| | - Daniel C Shippy
- Food Safety and Enteric Pathogens Research Unit, National Animal Disease Center (NADC), U.S. Department of Agriculture (USDA), Agricultural Research Services (ARS), Ames, IA, USA
| | - Bradley L Bearson
- Agroecosystems Management Research Unit, National Laboratory for Agriculture and the Environment, ARS, USDA, Ames, IA, USA
| | - Shawn M D Bearson
- Food Safety and Enteric Pathogens Research Unit, National Animal Disease Center (NADC), U.S. Department of Agriculture (USDA), Agricultural Research Services (ARS), Ames, IA, USA
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Dos Santos Pozza J, Voss-Rech D, Dos Santos Lopes L, Silveira Luiz Vaz C. Research Note: A baseline survey of thermotolerant Campylobacter in retail chicken in southern Brazil. Poult Sci 2020; 99:2690-2695. [PMID: 32359606 PMCID: PMC7597543 DOI: 10.1016/j.psj.2019.12.061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 12/27/2019] [Accepted: 12/28/2019] [Indexed: 11/18/2022] Open
Abstract
Chicken is a leading source of thermotolerant Campylobacter, which triggers human foodborne enteritis. This study evaluated thermotolerant Campylobacter contamination of retail chicken in southern Brazil, using qualitative and quantitative analyses. Selective enrichment in Bolton broth for 24 and 48 h after plating onto modified charcoal-cefoperazone-deoxycholate (mCCD) agar and Preston agar was assessed. The combined results of the detection and enumeration methods revealed a frequency of 70% occurrence of thermotolerant Campylobacter in chicken samples. Campylobacter was enumerated in 60% of the samples, whereas 46% of the samples were positive in the qualitative analysis. Quantitative analysis showed average counts of 3.10 ± 0.15 log10 CFU/sample. Higher numbers of Campylobacter-positive samples were found using 24-h enrichment before plating onto Preston agar (46%) than onto mCCD agar (2%). The majority of isolated strains were identified as Campylobacter jejuni, and Campylobacter coli was also found but to a lesser extent. Subtyping revealed a clear distinction between strains isolated from different chicken sources. The enriched samples plated onto mCCD agar showed extensive spreading of nonproducing extended-spectrum β-lactamases Proteus mirabilis that hampered the identification of Campylobacter colonies. P. mirabilis strains showed resistance to cefoperazone, trimethoprim, and polymyxin B present in broth and plate media used and were inhibited by rifampicin present in Preston agar. The results underline the effect of the spread of contaminant strains on Campylobacter cultures, which might be prevented using a recently revised International Organization for Standardization method for qualitative analysis of chicken.
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Jaakkonen A, Kivistö R, Aarnio M, Kalekivi J, Hakkinen M. Persistent contamination of raw milk by Campylobacter jejuni ST-883. PLoS One 2020; 15:e0231810. [PMID: 32315369 PMCID: PMC7173850 DOI: 10.1371/journal.pone.0231810] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Accepted: 04/01/2020] [Indexed: 01/08/2023] Open
Abstract
Campylobacter jejuni has caused several campylobacteriosis outbreaks via raw milk consumption. This study reports follow-up of a milk-borne campylobacteriosis outbreak that revealed persistent C. jejuni contamination of bulk tank milk for seven months or longer. Only the outbreak-causing strain, representing sequence type (ST) 883, was isolated from milk, although other C. jejuni STs were also isolated from the farm. We hypothesized that the outbreak strain harbors features that aid its environmental transmission or survival in milk. To identify such phenotypic features, the outbreak strain was characterized for survival in refrigerated raw milk and in aerobic broth culture by plate counting and for biofilm formation on microplates by crystal violet staining and quantification. Furthermore, whole-genome sequences were studied for such genotypic features. For comparison, we characterized isolates representing other STs from the same farm and an ST-883 isolate that persisted on another dairy farm, but was not isolated from bulk tank milk. With high inocula (105 CFU/ml), ST-883 strains survived in refrigerated raw milk longer (4-6 days) than the other strains (≤3 days), but the outbreak strain showed no outperformance among ST-883 strains. This suggests that ST-883 strains may share features that aid their survival in milk, but other mechanisms are required for persistence in milk. No correlation was observed between survival in refrigerated milk and aerotolerance. The outbreak strain formed a biofilm, offering a potential explanation for persistence in milk. Whether biofilm formation was affected by pTet-like genomic element and phase-variable genes encoding capsular methyltransferase and cytochrome C551 peroxidase warrants further study. This study suggests a phenotypic target candidate for interventions and genetic markers for the phenotype, which should be investigated further with the final aim of developing control strategies against C. jejuni infections.
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Affiliation(s)
- Anniina Jaakkonen
- Microbiology Unit, Laboratory and Research Division, Finnish Food Authority, Helsinki, Finland
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Rauni Kivistö
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Maria Aarnio
- Microbiology Unit, Laboratory and Research Division, Finnish Food Authority, Helsinki, Finland
| | - Jenni Kalekivi
- Microbiology Unit, Laboratory and Research Division, Finnish Food Authority, Helsinki, Finland
| | - Marjaana Hakkinen
- Microbiology Unit, Laboratory and Research Division, Finnish Food Authority, Helsinki, Finland
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Ma L, Petersen M, Lu X. Identification and Antimicrobial Susceptibility Testing of Campylobacter Using a Microfluidic Lab-on-a-Chip Device. Appl Environ Microbiol 2020; 86:e00096-20. [PMID: 32111591 PMCID: PMC7170473 DOI: 10.1128/aem.00096-20] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 02/22/2020] [Indexed: 01/14/2023] Open
Abstract
Campylobacter spp. have been recognized as major foodborne pathogens worldwide. An increasing frequency of antibiotic-resistant pathogens, including Campylobacter spp., have been identified to transmit from food products to humans and cause severe threats to public health. To better mitigate the antibiotic resistance crisis, rapid detection methods are required to provide timely antimicrobial resistance surveillance data for agri-food systems. Herein, we developed a polymer-based microfluidic device for the identification and antimicrobial susceptibility testing (AST) of Campylobacter spp. An array of bacterial incubation chambers were created in the microfluidic device, where chromogenic medium and antibiotics were loaded. The growth of Campylobacter spp. was visualized by color change due to chromogenic reactions. This platform achieved 100% specificity for Campylobacter identification. Sensitive detection of multiple Campylobacter species (C. jejuni, C. coli, and C. lari) was obtained in artificially contaminated milk and poultry meat, with detection limits down to 1 × 102 CFU/ml and 1 × 104 CFU/25 g, respectively. On-chip AST determined Campylobacter antibiotic susceptibilities by the lowest concentration of antibiotics that can inhibit bacterial growth (i.e., no color change observed). High coincidences (91% to 100%) of on-chip AST and the conventional agar dilution method were achieved against several clinically important antibiotics. For a presumptive colony, on-chip identification and AST were completed in parallel within 24 h, whereas standard methods, including biochemical assays and traditional culture-based AST, take several days for multiple sequential steps. In conclusion, this lab-on-a-chip device can achieve rapid and reliable detection of antibiotic-resistant Campylobacter spp.IMPORTANCE Increasing concerns of antibiotic-resistant Campylobacter spp. with regard to public health emphasize the importance of efficient and fast detection. This study described the timely identification and antimicrobial susceptibility testing of Campylobacter spp. by using a microfluidic device. Our developed method not only reduced the total analysis time, but it also simplified food sample preparation and chip operation for end users. Due to the miniaturized size of the lab-on-a-chip platform, the detection was achieved by using up to 1,000 times less of the reagents than with standard reference methods, making it a competitive approach for rapid screening and surveillance study in food industries. In addition, multiple clinically important Campylobacter species (C. jejuni, C. coli, and C. lari) could be tested by our device. This device has potential for wide application in food safety management and clinical diagnostics, especially in resource-limited regions.
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Affiliation(s)
- Luyao Ma
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Marlen Petersen
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Xiaonan Lu
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
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Neogi SB, Islam MM, Islam SKS, Akhter AHMT, Sikder MMH, Yamasaki S, Kabir SML. Risk of multi-drug resistant Campylobacter spp. and residual antimicrobials at poultry farms and live bird markets in Bangladesh. BMC Infect Dis 2020; 20:278. [PMID: 32293315 PMCID: PMC7158023 DOI: 10.1186/s12879-020-05006-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 03/31/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Understanding potential risks of multi-drug resistant (MDR) pathogens from the booming poultry sector is a crucial public health concern. Campylobacter spp. are among the most important zoonotic pathogens associated with MDR infections in poultry and human. This study systematically examined potential risks and associated socio-environmental factors of MDR Campylobacter spp. in poultry farms and live bird markets (LBMs) of Bangladesh. METHODS Microbial culture and PCR-based methods were applied to examine the occurrence and MDR patterns of Campylobacter spp. in potential sources (n = 224) at 7 hatcheries, 9 broiler farms and 4 LBMs in three sub-districts. Antimicrobial residues in broiler meat and liver samples (n = 50) were detected by advanced chromatographic techniques. A questionnaire based cross-sectional survey was conducted on socio-environmental factors. RESULTS Overall, 32% (71/ 224) samples were found contaminated with Campylobacter spp. In poultry farms, Campylobacter spp. was primarily found in cloacal swab (21/49, 43%), followed by drinking water (8/24, 33%), and meat (8/28, 29%) samples of broilers. Remarkably, at LBMs, Campylobacter spp. was detected in higher prevalence (p < 0.05) in broiler meat (14/26, 54%), which could be related (p < 0.01) to bacterial contamination of drinking water (11/21, 52%) and floor (9/21, 43%). Campylobacter isolates, one from each of 71 positive samples, were differentiated into Campylobacter jejuni (66%) and Campylobacter coli (34%). Alarmingly, 49 and 42% strains of C. jejuni and C. coli, respectively, were observed as MDR, i.e., resistant to three or more antimicrobials, including, tetracycline, amoxicillin, streptomycin, fluoroquinolones, and macrolides. Residual antimicrobials (oxytetracycline, ciprofloxacin and enrofloxacin) were detected in majority of broiler liver (79%) and meat (62%) samples, among which 33 and 19%, respectively, had concentration above acceptable limit. Inadequate personal and environmental hygiene, unscrupulously use of antimicrobials, improper waste disposal, and lack of health surveillance were distinguishable risk factors, with local diversity and compound influences on MDR pathogens. CONCLUSION Potential contamination sources and anthropogenic factors associated with the alarming occurrence of MDR Campylobacter, noted in this study, would aid in developing interventions to minimize the increasing risks of poultry-associated MDR pathogens under 'One Health' banner that includes poultry, human and environment perspectives.
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Affiliation(s)
- Sucharit Basu Neogi
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, Japan
| | - Md Mehedul Islam
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - S K Shaheenur Islam
- Epidemiology Unit, Department of Livestock Services, Krishi Khamar Sarak, Farmgate, Dhaka, 1215, Bangladesh
| | - A H M Taslima Akhter
- FAO-Food Safety Program (FSP), Institute of Public Health, Mohakhali, Dhaka, 1215, Bangladesh
| | | | - Shinji Yamasaki
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, Japan
| | - S M Lutful Kabir
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh.
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French NP, Zhang J, Carter GP, Midwinter AC, Biggs PJ, Dyet K, Gilpin BJ, Ingle DJ, Mulqueen K, Rogers LE, Wilkinson DA, Greening SS, Muellner P, Fayaz A, Williamson DA. Genomic Analysis of Fluoroquinolone- and Tetracycline-Resistant Campylobacter jejuni Sequence Type 6964 in Humans and Poultry, New Zealand, 2014-2016. Emerg Infect Dis 2020; 25:2226-2234. [PMID: 31742539 PMCID: PMC6874264 DOI: 10.3201/eid2512.190267] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
In 2014, antimicrobial drug–resistant Campylobacter jejuni sequence type 6964 emerged contemporaneously in poultry from 3 supply companies in the North Island of New Zealand and as a major cause of campylobacteriosis in humans in New Zealand. This lineage, not previously identified in New Zealand, was resistant to tetracycline and fluoroquinolones. Genomic analysis revealed divergence into 2 major clades; both clades were associated with human infection, 1 with poultry companies A and B and the other with company C. Accessory genome evolution was associated with a plasmid, phage insertions, and natural transformation. We hypothesize that the tetO gene and a phage were inserted into the chromosome after conjugation, leaving a remnant plasmid that was lost from isolates from company C. The emergence and rapid spread of a resistant clone of C. jejuni in New Zealand, coupled with evolutionary change in the accessory genome, demonstrate the need for ongoing Campylobacter surveillance among poultry and humans.
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Núñez-Carmona E, Abbatangelo M, Zappa D, Comini E, Sberveglieri G, Sberveglieri V. Nanostructured MOS Sensor for the Detection, Follow up, and Threshold Pursuing of Campylobacter Jejuni Development in Milk Samples. Sensors (Basel) 2020; 20:E2009. [PMID: 32260084 PMCID: PMC7180930 DOI: 10.3390/s20072009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 03/23/2020] [Accepted: 04/02/2020] [Indexed: 11/19/2022]
Abstract
Food poisoning is still the first cause of hospitalization worldwide and the most common microbial agent, Campylobacter jejuni, is the most commonly reported gastrointestinal disease in humans in the EU (European Union) as is reported by the European Union One Health 2018 Zoonoses Report styled by the EFSA (European Food Safety Authority) and ECDC (European Center for Disease Prevention and Control). One of the vehicles of transmission of this disease is milk. Nanostructured MOS (Metal Oxide Semiconductor) sensors have extensively demonstrated their ability to reveal the presence and follow the development of microbial species. The main objective of this work was to find a set up for the detection and development follow up of C. jejuni in milk samples. The work was structured in two different studies, the first one was a feasibility survey and the second one was to follow up the development of the bacteria inside milk samples. The obtained results of the first study demonstrate the ability of the sensor array to differentiate the contaminated samples from the control ones. Thanks to the second study, it has been possible to find the limit of microbial safety of the contaminated milk samples.
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Affiliation(s)
| | - Marco Abbatangelo
- Department of Information Engineering, University of Brescia, 25123 Brescia (BS), Italy; (M.A.); (D.Z.); (E.C.); (G.S.)
| | - Dario Zappa
- Department of Information Engineering, University of Brescia, 25123 Brescia (BS), Italy; (M.A.); (D.Z.); (E.C.); (G.S.)
| | - Elisabetta Comini
- Department of Information Engineering, University of Brescia, 25123 Brescia (BS), Italy; (M.A.); (D.Z.); (E.C.); (G.S.)
- NANO SENSOR SYSTEMS, Dep. Information Engineering, NASYS spin-off University of Brescia, 25123 Brescia (BS), Italy
| | - Giorgio Sberveglieri
- Department of Information Engineering, University of Brescia, 25123 Brescia (BS), Italy; (M.A.); (D.Z.); (E.C.); (G.S.)
- NANO SENSOR SYSTEMS, Dep. Information Engineering, NASYS spin-off University of Brescia, 25123 Brescia (BS), Italy
| | - Veronica Sberveglieri
- Institute of Bioscience and Bioresources, CNR-IBBR, 50019 Sesto Fiorentino (FI), Italy;
- NANO SENSOR SYSTEMS, Dep. Information Engineering, NASYS spin-off University of Brescia, 25123 Brescia (BS), Italy
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23
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Martora F, Pagliuca C, Della Pepa ME, Della Rocca MT, Curto S, Iovene MR, Vitiello M. Campylobacter jejuni bacteremia in Italian pediatric patients with acute lymphoblastic leukemia: Report of two cases. New Microbiol 2020; 43:96-98. [PMID: 32310303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Accepted: 06/08/2020] [Indexed: 06/11/2023]
Abstract
Infections caused by Campylobacter jejuni are rarely associated with extraintestinal complications. C. jejuni bacteremia is difficult to detect in patients with hematological malignancies undergoing chemotherapy where the choice of appropriate antibiotic treatment is extremely important. We report two cases of C. jejuni bacteremia in Italian pediatric patients affected by acute lymphoblastic leukemia (ALL). Agreeing with the most recent epidemiological data, both clinical isolates showed a typical phenotypic antimicrobial resistance patterns with combined resistance to ciprofloxacin and tetracycline. To our knowledge, this is the first report of C. jejuni isolation from the blood of ALL pediatric patients in Italy, and it provides important epidemiological information on this rare infection.
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Affiliation(s)
- Francesca Martora
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Via De Crecchio 7, 80138 Naples, Italy
| | - Chiara Pagliuca
- Department of Molecular Medicine and Medical Biotechnology, Federico II University, Via S. Pansini 5, 80135 Naples, Italy
| | - Maria Elena Della Pepa
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Via De Crecchio 7, 80138 Naples, Italy
| | - Maria Teresa Della Rocca
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Via De Crecchio 7, 80138 Naples, Italy
| | - Stefano Curto
- Department of Woman, Child and of General and Specialized Surgery, University of Campania "Luigi Vanvitelli", Via De Crecchio 7, 80138 Naples, Italy
| | - Maria Rosaria Iovene
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Via De Crecchio 7, 80138 Naples, Italy
| | - Mariateresa Vitiello
- Department of Clinical Pathology, Virology Unit, "San Giovanni di Dio e Ruggi d'Aragona Hospital", Salerno, Italy
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Eryildiz C, Tabakcioglu K, Kuyucuklu G, Sakru N. Investigation of antimicrobial resistance and virulence genes of Campylobacter isolates from patients in a tertiary hospital in Edirne, Turkey. Indian J Med Microbiol 2020; 38:157-161. [PMID: 32883928 DOI: 10.4103/ijmm.ijmm_20_78] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Purpose Campylobacter is one of the most common pathogens that cause food-borne infections worldwide. The aim of this study was to determine the antimicrobial resistance rates and the presence of multiple virulence genes in Campylobacter isolates obtained from humans. Materials and Methods In this study, 71 Campylobacter isolates obtained from human faecal samples were used. Antimicrobial susceptibility tests were performed through the gradient strip method. The presence of virulence genes was investigated by monoplex and multiplex polymerase chain reaction. Results The rate of resistance of the 66 Campylobacter jejuni isolates was 12.1% for erythromycin, 40.9% for tetracycline and 68.2% for ciprofloxacin. Only one of five Campylobacter coli isolates was resistant to these three antimicrobial agents. The flaB, pldA, cdtA, cadF, cdtC and ceuE genes were found in all 66 of the C. jejuni isolates. In the C. jejuni isolates, positivity rates of 92.4% for flaA, 96.7% for cdtB, 98.5% for ciaB, 90.9% for dnaJ and 96.7% for racR were observed. The flaA, flaB, ciaB, cdtA and cdtC genes were present in all C. coli isolates. Conclusions It was detected that there is an increase in antimicrobial resistance of Campylobacter strains in our region, and most of the isolates harbour virulence genes.
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Affiliation(s)
- Canan Eryildiz
- Department of Medical Microbiology, Faculty of Medicine, Trakya University, Edirne, Turkey
| | - Kiymet Tabakcioglu
- Department of Medical Biology, Faculty of Medicine, Trakya University, Edirne, Turkey
| | - Gulcan Kuyucuklu
- Department of Medical Microbiology, Faculty of Medicine, Trakya University, Edirne, Turkey
| | - Nermin Sakru
- Department of Medical Microbiology, Faculty of Medicine, Trakya University, Edirne, Turkey
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Haldenby S, Bronowski C, Nelson C, Kenny J, Martinez-Rodriguez C, Chaudhuri R, Williams NJ, Forbes K, Strachan NJ, Pulman J, Winstanley IN, Corless CE, Humphrey TJ, Bolton FJ, O’Brien SJ, Hall N, Hertz-Fowler C, Winstanley C. Increasing prevalence of a fluoroquinolone resistance mutation amongst Campylobacter jejuni isolates from four human infectious intestinal disease studies in the United Kingdom. PLoS One 2020; 15:e0227535. [PMID: 31999701 PMCID: PMC6992184 DOI: 10.1371/journal.pone.0227535] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 12/20/2019] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Campylobacter jejuni is the most common bacterial cause of human infectious intestinal disease. METHODS We genome sequenced 601 human C. jejuni isolates, obtained from two large prospective studies of infectious intestinal disease (IID1 [isolates from 1993-1996; n = 293] and IID2 [isolates from 2008-2009; n = 93]), the INTEGRATE project [isolates from 2016-2017; n = 52] and the ENIGMA project [isolates from 2017; n = 163]. RESULTS There was a significant increase in the prevalence of the T86I mutation conferring resistance to fluoroquinolone between each of the three later studies (IID2, INTEGRATE and ENIGMA) and IID1. Although the distribution of major multilocus sequence types (STs) was similar between the studies, there were changes in both the abundance of minority STs associated with the T86I mutation, and the abundance of clones within single STs associated with the T86I mutation. DISCUSSION Four population-based studies of community diarrhoea over a 25 year period revealed an increase over time in the prevalence of the T86I amongst isolates of C. jejuni associated with human gastrointestinal disease in the UK. Although associated with many STs, much of the increase is due to the expansion of clones associated with the resistance mutation.
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Affiliation(s)
- Sam Haldenby
- Centre for Genomic Research, University of Liverpool, Liverpool, United Kingdom
| | - Christina Bronowski
- Institute of Infection and Global Health, University of Liverpool, Liverpool, United Kingdom
| | - Charlotte Nelson
- Centre for Genomic Research, University of Liverpool, Liverpool, United Kingdom
| | - John Kenny
- Centre for Genomic Research, University of Liverpool, Liverpool, United Kingdom
| | | | - Roy Chaudhuri
- Department of Biology and Biotechnology, University of Sheffield, Sheffield, United Kingdom
| | - Nicola J. Williams
- Institute of Infection and Global Health, University of Liverpool, Liverpool, United Kingdom
| | - Ken Forbes
- School of Medicine, Medical Sciences & Nutrition, Foresterhill, University of Aberdeen, Aberdeen, United Kingdom
| | - Norval J. Strachan
- School of Biological Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Jane Pulman
- Centre for Genomic Research, University of Liverpool, Liverpool, United Kingdom
| | - Ian N. Winstanley
- Centre for Genomic Research, University of Liverpool, Liverpool, United Kingdom
| | - Caroline E. Corless
- Infection and Immunity, Liverpool Clinical Laboratories, Royal Liverpool and Broadgreen University Hospitals NHS Trust, Liverpool, United Kingdom
| | - Tom J. Humphrey
- Medical Microbiology and Infectious Diseases, School of Medicine, Swansea University, Swansea, United Kingdom
| | - Frederick J. Bolton
- Department of Public Health and Policy, Institute of Population Health Sciences, University of Liverpool, Liverpool, United Kingdom
- NIHR Health Protection Research Unit in Gastrointestinal Infections, University of Liverpool, Liverpool, United Kingdom
| | - Sarah J. O’Brien
- Department of Public Health and Policy, Institute of Population Health Sciences, University of Liverpool, Liverpool, United Kingdom
- NIHR Health Protection Research Unit in Gastrointestinal Infections, University of Liverpool, Liverpool, United Kingdom
| | - Neil Hall
- The Earlham Institute, Norwich Research Park, Norwich, United Kingdom
- School of Biological Sciences, University of East Anglia, Norwich, United Kingdom
| | | | - Craig Winstanley
- Institute of Infection and Global Health, University of Liverpool, Liverpool, United Kingdom
- * E-mail:
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Wieczorek K, Wołkowicz T, Osek J. MLST-based genetic relatedness of Campylobacter jejuni isolated from chickens and humans in Poland. PLoS One 2020; 15:e0226238. [PMID: 31978059 PMCID: PMC6980552 DOI: 10.1371/journal.pone.0226238] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 11/24/2019] [Indexed: 11/25/2022] Open
Abstract
Campylobacter jejuni infection is one of the most frequently reported foodborne bacterial diseases worldwide. The main transmission route of these microorganisms to humans is consumption of contaminated food, especially of chicken origin. The aim of this study was to analyze the genetic relatedness of C. jejuni from chicken sources (feces, carcasses, and meat) and from humans with diarrhea as well as to subtype the isolates to gain better insight into their population structure present in Poland. C. jejuni were genotyped using multilocus sequence typing (MLST) and sequence types (STs) were assigned in the MLST database. Among 602 isolates tested, a total of 121 different STs, including 70 (57.9%) unique to the isolates' origin, and 32 STs that were not present in the MLST database were identified. The most prevalent STs were ST464 and ST257, with 58 (9.6%) and 52 (8.6%) C. jejuni isolates, respectively. Isolates with some STs (464, 6411, 257, 50) were shown to be common in chickens, whereas others (e.g. ST21 and ST572) were more often identified among human C. jejuni. It was shown that of 47 human sequence types, 26 STs (106 isolates), 23 STs (102 isolates), and 29 STs (100 isolates) were also identified in chicken feces, meat, and carcasses, respectively. These results, together with the high and similar proportional similarity indexes (PSI) calculated for C. jejuni isolated from patients and chickens, may suggest that human campylobacteriosis was associated with contaminated chicken meat or meat products or other kinds of food cross-contaminated with campylobacters of chicken origin. The frequency of various sequence types identified in the present study generally reflects of the prevalence of STs in other countries which may suggest that C. jejuni with some STs have a global distribution, while other genotypes may be more restricted to certain countries.
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Affiliation(s)
- Kinga Wieczorek
- Department of Hygiene of Food of Animal Origin, National Veterinary Research Institute, Pulawy, Poland
| | - Tomasz Wołkowicz
- Department of Bacteriology and Biocontamination Control, National Institute of Public Health—National Institute of Hygiene, Warsaw, Poland
| | - Jacek Osek
- Department of Hygiene of Food of Animal Origin, National Veterinary Research Institute, Pulawy, Poland
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Borkakoty B, Jakharia A, Sarmah MD, Hazarika R, Baruah PJ, Bora CJ, Temsu T, Gohain M, Devi U, Biswas D. Prevalence of campylobacter enteritis in children under 5 years hospitalised for diarrhoea in two cities of Northeast India. Indian J Med Microbiol 2020; 38:32-36. [PMID: 32719206 DOI: 10.4103/ijmm.ijmm_19_498] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Background Campylobacter enteritis is the major cause of bacterial gastroenteritis worldwide. In recent years, there has been a rise in global incidence of campylobacteriosis. There are no available data on prevalence of Campylobacter diarrhoea from Northeast India. Materials and Methods The study investigated archival stool samples collected between 2014 and 2016 from two hospitals of Northeast India. A total of 407 archival stool samples from cases of diarrhoea under 5 years of age were screened for Campylobacter spp. using commercial probe-based real-time polymerase chain reaction assay. Results Campylobacter spp. was detected in overall 10.1% (41/407; 95% confidence interval: 7.4%-13.3%) in children under 5 years hospitalised for diarrhoea. The prevalence was significantly higher from Dibrugarh, Assam, compared to Dimapur, i.e., 13.4% (27/201) versus 6.8% (14/206), respectively (P = 0.02). Campylobacter detection was highest in the month of June and July compared to December and January (20%-18.8% vs. 8.9%-6.2%, respectively). Further, Campylobacter infection was higher in the age group below 24 months (11.7%) compared to above 24 months (7.0%). Campylobacter jejuni was detected in 80.5% of the positive cases. Conclusion The present study reveals that Campylobacter infection is endemic in the studied regions of Northeast India and microbiological laboratories of the region should actively pursue the isolation or detection of Campylobacter spp. in cases of diarrhoea in routine stool cultures.
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Affiliation(s)
- Biswajyoti Borkakoty
- Indian Council of Medical Research-Regional Medical Research Centre, NE Region, Dibrugarh, Assam, India
| | - Aniruddha Jakharia
- Indian Council of Medical Research-Regional Medical Research Centre, NE Region, Dibrugarh, Assam, India
| | - Mandakini Das Sarmah
- Indian Council of Medical Research-Regional Medical Research Centre, NE Region, Dibrugarh, Assam, India
| | - Rahul Hazarika
- Indian Council of Medical Research-Regional Medical Research Centre, NE Region, Dibrugarh, Assam, India
| | - Pranjal Jyoti Baruah
- Indian Council of Medical Research-Regional Medical Research Centre, NE Region, Dibrugarh, Assam, India
| | - Chandra Jyoti Bora
- Department of Paediatrics, Assam Medical College and Hospital, Dibrugarh, Assam, India
| | - T Temsu
- Department of Pathology, District Hospital, Dimapur, Nagaland, India
| | - Munmun Gohain
- Department of Paediatrics, Assam Medical College and Hospital, Dibrugarh, Assam, India
| | - Utpala Devi
- Indian Council of Medical Research-Regional Medical Research Centre, NE Region, Dibrugarh, Assam, India
| | - Dipankar Biswas
- Indian Council of Medical Research-Regional Medical Research Centre, NE Region, Dibrugarh, Assam, India
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Abstract
Myocarditis is a rare complication of acute diarrhea due to Campylobacter Jejuni infection. We present the case of 25-year-old male who presented with campylobacter jejuni colitis who subsequently had chest pain and elevated cardiac biomarkers. The patient developed acute myocarditis confirmed on cardiac magnetic resonance imaging.
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Affiliation(s)
- Oussama Daboussi
- Department of Gastroenterology, Hospital Center Chartres, France
| | - Salamata Diallo
- Department of Gastroenterology, Hospital Center Chartres, France
- Department of Gastroenterology, Hospital Center Aristide Le Dantec, Senegal
- Corresponding author: Salamata Diallo, Department of Gastroenterology, Hospital Center Chartres, France.
| | - Boundia Djiba
- Department of Gastroenterology, Hospital Center Chartres, France
- Department of internal Medicine, Hospital Center Aristide Le Dantec, Senegal
| | - Mamadou Ngoné Gueye
- Department of Gastroenterology, Hospital Center Chartres, France
- Department of Gastroenterology, Hospital Center Idrissa Pouye, Senegal
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de Fátima Rauber Würfel S, Jorge S, de Oliveira NR, Kremer FS, Sanchez CD, Campos VF, da Silva Pinto L, da Silva WP, Dellagostin OA. Campylobacter jejuni isolated from poultry meat in Brazil: in silico analysis and genomic features of two strains with different phenotypes of antimicrobial susceptibility. Mol Biol Rep 2019; 47:671-681. [PMID: 31749118 DOI: 10.1007/s11033-019-05174-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 10/30/2019] [Indexed: 11/25/2022]
Abstract
Campylobacter jejuni is the most common bacterial cause of foodborne diarrheal disease worldwide and is among the antimicrobial resistant "priority pathogens" that pose greatest threat to public health. The genomes of two C. jejuni isolated from poultry meat sold on the retail market in Southern Brazil phenotypically characterized as multidrug-resistant (CJ100) and susceptible (CJ104) were sequenced and analyzed by bioinformatic tools. The isolates CJ100 and CJ104 showed distinct multilocus sequence types (MLST). Comparative genomic analysis revealed a large number of single nucleotide polymorphisms, rearrangements, and inversions in both genomes, in addition to virulence factors, genomic islands, prophage sequences, and insertion sequences. A circular 103-kilobase megaplasmid carrying virulence factors was identified in the genome of CJ100, in addition to resistance mechanisms to aminoglycosides, beta-lactams, macrolides, quinolones, and tetracyclines. The molecular characterization of distinct phenotypes of foodborne C. jejuni and the discovery of a novel virulence megaplasmid provide useful data for pan-genome and large-scale studies to monitor the virulent C. jejuni in poultry meat is warranted.
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Affiliation(s)
| | - Sérgio Jorge
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil.
| | - Natasha Rodrigues de Oliveira
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Frederico Schmitt Kremer
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Christian Domingues Sanchez
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Vinícius Farias Campos
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Luciano da Silva Pinto
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Wladimir Padilha da Silva
- Departamento de Ciência e Tecnologia Agroindustrial, Faculdade de Agronomia Eliseu Maciel, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Odir Antônio Dellagostin
- Centro de Desenvolvimento Tecnológico, Núcleo de Biotecnologia, Universidade Federal de Pelotas, Pelotas, RS, Brazil
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Marotta F, Garofolo G, di Marcantonio L, Di Serafino G, Neri D, Romantini R, Sacchini L, Alessiani A, Di Donato G, Nuvoloni R, Janowicz A, Di Giannatale E. Antimicrobial resistance genotypes and phenotypes of Campylobacter jejuni isolated in Italy from humans, birds from wild and urban habitats, and poultry. PLoS One 2019; 14:e0223804. [PMID: 31603950 PMCID: PMC6788699 DOI: 10.1371/journal.pone.0223804] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2019] [Accepted: 09/27/2019] [Indexed: 11/18/2022] Open
Abstract
Campylobacter jejuni, a common foodborne zoonotic pathogen, causes gastroenteritis worldwide and is increasingly resistant to antibiotics. We aimed to investigate the antimicrobial resistance (AMR) genotypes of C. jejuni isolated from humans, poultry and birds from wild and urban Italian habitats to identify correlations between phenotypic and genotypic AMR in the isolates. Altogether, 644 C. jejuni isolates from humans (51), poultry (526) and wild- and urban-habitat birds (67) were analysed. The resistance phenotypes of the isolates were determined using the microdilution method with EUCAST breakpoints, and AMR-associated genes and single nucleotide polymorphisms were obtained from a publicly available database. Antimicrobial susceptibility testing showed that C. jejuni isolates from poultry and humans were highly resistant to ciprofloxacin (85.55% and 76.47%, respectively), nalidixic acid (75.48% and 74.51%, respectively) and tetracycline (67.87% and 49.02%, respectively). Fewer isolates from the wild- and urban-habitat birds were resistant to tetracycline (19.40%), fluoroquinolones (13.43%), and quinolone and streptomycin (10.45%). We retrieved seven AMR genes (tet (O), cmeA, cmeB, cmeC, cmeR, blaOXA-61 and blaOXA-184) and gyrA-associated point mutations. Two major B-lactam genes called blaOXA-61 and blaOXA-184 were prevalent at 62.93% and 82.08% in the poultry and the other bird groups, respectively. Strong correlations between genotypic and phenotypic resistance were found for fluoroquinolones and tetracycline. Compared with the farmed chickens, the incidence of AMR in the C. jejuni isolates from the other bird groups was low, confirming that the food-production birds are much more exposed to antimicrobials. The improper and overuse of antibiotics in the human population and in animal husbandry has resulted in an increase in antibiotic-resistant infections, particularly fluoroquinolone resistant ones. Better understanding of the AMR mechanisms in C. jejuni is necessary to develop new strategies for improving AMR programs and provide the most appropriate therapies to human and veterinary populations.
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Affiliation(s)
- Francesca Marotta
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Giuliano Garofolo
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Lisa di Marcantonio
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Gabriella Di Serafino
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Diana Neri
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Romina Romantini
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Lorena Sacchini
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Alessandra Alessiani
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Guido Di Donato
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Roberta Nuvoloni
- Department of Veterinary Sciences, University of Pisa, Pisa, Italy
| | - Anna Janowicz
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
| | - Elisabetta Di Giannatale
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise “G. Caporale”, Teramo, Italy
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Chinese Preventive Medicine Association. [Identification of Campylobacter jejuni and Campylobacter coli (T/CPMA 006-2019)]. Zhonghua Liu Xing Bing Xue Za Zhi 2019; 40:1044-7. [PMID: 31594142 DOI: 10.3760/cma.j.issn.0254-6450.2019.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
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Varga C, Guerin MT, Brash ML, Slavic D, Boerlin P, Susta L. Antimicrobial resistance in Campylobacter jejuni and Campylobacter coli isolated from small poultry flocks in Ontario, Canada: A two-year surveillance study. PLoS One 2019; 14:e0221429. [PMID: 31465474 PMCID: PMC6715200 DOI: 10.1371/journal.pone.0221429] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2019] [Accepted: 08/06/2019] [Indexed: 11/18/2022] Open
Abstract
Antimicrobial resistance in Campylobacter, common in poultry, is a global public health issue. The emergence and spread of antimicrobial resistant Campylobacter has been linked to the use of antimicrobials in food animals. Small poultry flocks are becoming increasingly popular not only as a source of food but also as pets, yet not all small flock owners are aware of proper antimicrobial use practices and safe food handling protocols. This trend could contribute to antimicrobial resistance. In order to determine the prevalence of antimicrobial resistance in Campylobacter in small poultry flocks, we analyzed data from birds that had been submitted to a diagnostic laboratory in Ontario between October 2015 and September 2017. A pooled cecal sample was obtained from each submission and cultured for Campylobacter jejuni and Campylobacter coli. Three isolates were recovered from each positive sample and tested for susceptibility to nine antimicrobials using a broth microdilution method. Overall, 176 isolates were recovered (141 chicken, 21 turkey, 6 duck, and 8 game bird). A high frequency of resistance to tetracycline was observed in the C. jejuni isolates from chickens (77%) and turkeys (100%), and in the C. coli isolates from turkeys (50%) and game birds (40%). Campylobacter jejuni isolates had higher odds of resistance to tetracycline (OR = 3.54, P ≤ 0.01) compared to C. coli isolates. Overall, there was a low frequency of resistance to quinolones and a very low frequency of resistance to macrolides. Multidrug resistance was uncommon. The high prevalence of tetracycline resistance emphasizes the importance of prudent antimicrobial use in small flocks. Although low, the presence of resistance to macrolides and quinolones, which are used to treat campylobacteriosis in humans, highlights the need for proper food safety and infection control practices by small flock owners to prevent exposure to antimicrobial resistant Campylobacter.
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Affiliation(s)
- Csaba Varga
- Ontario Ministry of Agriculture, Food and Rural Affairs, Guelph, Ontario, Canada
| | - Michele T. Guerin
- Department of Population Medicine, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Marina L. Brash
- Animal Health Laboratory, University of Guelph, Guelph, Ontario, Canada
| | - Durda Slavic
- Animal Health Laboratory, University of Guelph, Guelph, Ontario, Canada
| | - Patrick Boerlin
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
| | - Leonardo Susta
- Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario, Canada
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Oh E, Andrews KJ, McMullen LM, Jeon B. Tolerance to stress conditions associated with food safety in Campylobacter jejuni strains isolated from retail raw chicken. Sci Rep 2019; 9:11915. [PMID: 31417115 PMCID: PMC6695378 DOI: 10.1038/s41598-019-48373-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Accepted: 07/30/2019] [Indexed: 12/15/2022] Open
Abstract
Campylobacter jejuni is a microaerophilic foodborne pathogen that is sensitive to stress conditions. However, it is not yet understood how this stress-sensitive pathogen may cause a significant number of cases of human gastroenteritis worldwide. In this study, we examined stress tolerance in 70 C. jejuni strains isolated from retail chicken under several stress conditions related to food safety. Compared to oxygen-sensitive (OS) strains of C. jejuni, C. jejuni strains with increased aerotolerance, such as hyper-aerotolerant (HAT) and aerotolerant (AT) strains, were more tolerant to peracetic acid, refrigeration and freeze-thaw stresses. However, the levels of thermotolerance and hyper-osmotolerance were not associated with the aerotolerance level of C. jejuni. The HAT and AT strains of C. jejuni exhibited significantly increased activities of catalase and superoxide dismutase (SOD), compared to the OS strains. Consistently, the HAT and AT strains were highly tolerant to oxidants, such as hydrogen peroxide, cumene hydroperoxide and menadione, compared to the OS strains. The AT and HAT strains that were tolerant to stresses, particularly peracetic acid and refrigeration, predominantly belonged to multilocus sequence typing (MLST) clonal complex (CC)-21. This study shows that oxidative stress resistance plays a role in determining the differential level of aerotolerance in C. jejuni and that AT and HAT strains of C. jejuni are more tolerant to oxidants and low temperatures than OS strains.
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Affiliation(s)
- Euna Oh
- School of Public Health, University of Alberta, Edmonton, Alberta, Canada
| | - Katelyn J Andrews
- School of Public Health, University of Alberta, Edmonton, Alberta, Canada
| | - Lynn M McMullen
- Department of Agricultural, Food and Nutritional Science, University of Alberta, Edmonton, AB, Canada
| | - Byeonghwa Jeon
- School of Public Health, University of Alberta, Edmonton, Alberta, Canada.
- Environmental Health Sciences, School of Public Health, University of Minnesota, St. Paul, MN, USA.
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Meistere I, Ķibilds J, Eglīte L, Alksne L, Avsejenko J, Cibrovska A, Makarova S, Streikiša M, Grantiņa-Ieviņa L, Bērziņš A. Campylobacter species prevalence, characterisation of antimicrobial resistance and analysis of whole-genome sequence of isolates from livestock and humans, Latvia, 2008 to 2016. Euro Surveill 2019; 24:1800357. [PMID: 31387670 PMCID: PMC6685098 DOI: 10.2807/1560-7917.es.2019.24.31.1800357] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Accepted: 03/25/2019] [Indexed: 11/20/2022] Open
Abstract
BackgroundCampylobacter is the main cause of bacterial gastroenteritis worldwide. The main transmission route is through consumption of food contaminated with Campylobacter species or contact with infected animals. In Latvia, the prevalence of campylobacteriosis is reported to be low (4.6 cases per 100,000 population in 2016).AimTo determine prevalence, species spectrum and antimicrobial resistance (AMR) of Campylobacter spp. in Latvia, using data from various livestock and human clinical samples.MethodsWe analysed data of Campylobacter microbiological monitoring and AMR (2008 and 2014-16) in Latvia. Data from broilers, poultry, pigs, calves and humans were used to determine prevalence of Campylobacter. Additionally, 45 different origin isolates (22 human) were sequenced on the Illumina MiSeq platform; for each isolate core genome multilocus sequence typing was used and relevant antimicrobial resistance mechanisms were identified.ResultsOverall, Campylobacter prevalence in was 83.3% in pigs, 50.2% in broilers, 16.1% in calves and 5.3% in humans; C. jejuni was the predominant species in all sources except pigs where C. coli was main species. High level of resistance in Campylobacter were observed against fluoroquinolones, tetracycline and streptomycin, in most of sequenced isolates genetic determinants of relevant AMR profiles were identified.ConclusionsIn Latvia, prevalence of Campylobacter in livestock is high, especially in pigs and broilers; prevalence in poultry and humans were lower than in other European countries. AMR analysis reveals increase of streptomycin and tetracycline resistant broiler origin C. jejuni strains. WGS demonstrates a high compliance between resistance phenotype and genotype for quinolones and tetracyclines.
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Affiliation(s)
- Irēna Meistere
- Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
| | - Juris Ķibilds
- Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
| | - Lāsma Eglīte
- Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
| | - Laura Alksne
- Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
| | - Jeļena Avsejenko
- Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
| | - Alla Cibrovska
- Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
| | - Svetlana Makarova
- Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
| | - Madara Streikiša
- Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
| | | | - Aivars Bērziņš
- Institute of Food Safety, Animal Health and Environment BIOR, Riga, Latvia
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Levican A, Ramos-Tapia I, Briceño I, Guerra F, Mena B, Varela C, Porte L. Genomic Analysis of Chilean Strains of Campylobacter jejuni from Human Faeces. Biomed Res Int 2019; 2019:1902732. [PMID: 31360704 PMCID: PMC6644508 DOI: 10.1155/2019/1902732] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 06/17/2019] [Indexed: 02/06/2023]
Abstract
Campylobacter spp., especially C. jejuni, are recognized worldwide as the bacterial species that most commonly cause food-related diarrhea. C. jejuni possesses many different virulence factors, has the ability to survive in different reservoirs, and has shown among isolates the emergence of Antimicrobial Resistance (AMR). Genome association analyses of this bacterial pathogen have contributed to a better understanding of its pathogenic and AMR associated determinants. However, the epidemiological information of these bacteria in Latin American countries is scarce and no genomic information is available in public databases from isolates in these countries. Considering this, the present study is aimed to describe the genomic traits from representative Campylobacter spp. strains recovered from faecal samples of patients with acute diarrhoea from Valparaíso, Chile. Campylobacter spp. was detected from the faeces of 28 (8%) out of 350 patients with acute diarrhoea, mainly from young adults and children, and 26 (93%) of the isolates corresponded to C. jejuni. 63% of the isolates were resistant to ciprofloxacin, 25.9% to tetracycline, and 3.5% to erythromycin. Three isolates were selected for WGS on the basis of their flaA-RFLP genotype. They belonged to the multilocus sequence typing (MLST) clonal clomplex (CC) 21(PUCV-1), CC-48 (PUCV-3), and CC-353 (PUCV-2) and presented several putative virulence genes, including the Type IV and Type VI Secretion Systems, as well as AMR-associated genes in agreement with their susceptibility pattern. On the basis of the wgMLST, they were linked to strains from poultry and ruminants. These are the first genomes of Chilean C. jejuni isolates available in public databases and they provide relevant information about the C. jejuni isolates associated with human infection in this country.
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Affiliation(s)
- Arturo Levican
- Tecnología Médica, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Avenida Universidad 330, 2373223 Valparaíso, Chile
| | - Ignacio Ramos-Tapia
- Center for Bioinformatics and Integrative Biology (CBIB), Facultad de Ciencias de la Vida, Universidad Andres Bello, Avenida Republica 330, Santiago, Chile
| | - Isabel Briceño
- Laboratorio Clínico, Hospital Naval Almirante Nef, Viña del Mar, Chile
| | - Francisco Guerra
- Laboratorio Clínico, Hospital Naval Almirante Nef, Viña del Mar, Chile
| | - Benjamin Mena
- Laboratorio Clínico, Hospital Naval Almirante Nef, Viña del Mar, Chile
| | - Carmen Varela
- Laboratorio Clínico, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile
| | - Lorena Porte
- Laboratorio Clínico, Clínica Alemana de Santiago, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile
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Alrubaye B, Abraha M, Almansour A, Bansal M, Wang H, Kwon YM, Huang Y, Hargis B, Sun X. Microbial metabolite deoxycholic acid shapes microbiota against Campylobacter jejuni chicken colonization. PLoS One 2019; 14:e0214705. [PMID: 31276498 PMCID: PMC6611565 DOI: 10.1371/journal.pone.0214705] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 06/13/2019] [Indexed: 12/14/2022] Open
Abstract
Despite reducing the prevalent foodborne pathogen Campylobacter jejuni in chickens decreases campylobacteriosis, few effective approaches are available. The aim of this study was to use microbial metabolic product bile acids to reduce C. jejuni chicken colonization. Broiler chicks were fed with deoxycholic acid (DCA), lithocholic acid (LCA), or ursodeoxycholic acid (UDCA). The birds were also transplanted with DCA modulated anaerobes (DCA-Anaero) or aerobes (DCA-Aero). The birds were infected with human clinical isolate C. jejuni 81-176 or chicken isolate C. jejuni AR101. Notably, C. jejuni 81-176 was readily colonized intestinal tract at d16 and reached an almost plateau at d21. Remarkably, DCA excluded C. jejuni cecal colonization below the limit of detection at 16 and 28 days of age. Neither chicken ages of infection nor LCA or UDCA altered C. jejuni AR101 chicken colonization level, while DCA reduced 91% of the bacterium in chickens at d28. Notably, DCA diet reduced phylum Firmicutes but increased Bacteroidetes compared to infected control birds. Importantly, DCA-Anaero attenuated 93% of C. jejuni colonization at d28 compared to control infected birds. In conclusion, DCA shapes microbiota composition against C. jejuni colonization in chickens, suggesting a bidirectional interaction between microbiota and microbial metabolites.
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Affiliation(s)
- Bilal Alrubaye
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Mussie Abraha
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Ayidh Almansour
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Mohit Bansal
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Hong Wang
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Young Min Kwon
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Yan Huang
- Department of Animal Science, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Billy Hargis
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, Arkansas, United States of America
| | - Xiaolun Sun
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, Arkansas, United States of America
- * E-mail:
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Vandeputte J, Martel A, Canessa S, Van Rysselberghe N, De Zutter L, Heyndrickx M, Haesebrouck F, Pasmans F, Garmyn A. Reducing Campylobacter jejuni colonization in broiler chickens by in-feed supplementation with hyperimmune egg yolk antibodies. Sci Rep 2019; 9:8931. [PMID: 31222043 PMCID: PMC6586802 DOI: 10.1038/s41598-019-45380-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 06/05/2019] [Indexed: 12/19/2022] Open
Abstract
Campylobacter infections sourced mainly to poultry products, are the most important bacterial foodborne zoonoses worldwide. No effective measures to control these infections in broiler production exist to date. Here, we used passive immunization with hyperimmune egg yolks to confer broad protection of broilers against Campylobacter infection. Two novel vaccines, a bacterin of thirteen Campylobacter jejuni (C. jejuni) and C. coli strains and a subunit vaccine of six immunodominant Campylobacter antigens, were used for the immunization of layers, resulting in high and prolonged levels of specific immunoglobulin Y (IgY) in the hens' yolks. In the first in vivo trial, yolks (sham, bacterin or subunit vaccine derived) were administered prophylactically in the broiler feed. Both the bacterin- and subunit vaccine-induced IgY significantly reduced the number of Campylobacter-colonized broilers. In the second in vivo trial, the yolks were administered therapeutically during three days before euthanasia. The bacterin IgY resulted in a significant decrease in C. jejuni counts per infected bird. The hyperimmune yolks showed strong reactivity to a broad representation of C. jejuni and C. coli clonal complexes. These results indicate that passive immunization with hyperimmune yolks, especially bacterin derived, offers possibilities to control Campylobacter colonization in poultry.
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Affiliation(s)
- Jasmien Vandeputte
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B9820, Merelbeke, Belgium.
| | - An Martel
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B9820, Merelbeke, Belgium
| | - Stefano Canessa
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B9820, Merelbeke, Belgium
| | - Nathalie Van Rysselberghe
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B9820, Merelbeke, Belgium
| | - Lieven De Zutter
- Department of Veterinary Public Health and Food Safety, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B9820, Merelbeke, Belgium
| | - Marc Heyndrickx
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B9820, Merelbeke, Belgium
- Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Technology & Food Sciences Unit, Brusselsesteenweg 370, B9090, Melle, Belgium
| | - Freddy Haesebrouck
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B9820, Merelbeke, Belgium
| | - Frank Pasmans
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B9820, Merelbeke, Belgium
| | - An Garmyn
- Department of Pathology, Bacteriology and Avian Diseases, Faculty of Veterinary Medicine, Ghent University, Salisburylaan 133, B9820, Merelbeke, Belgium.
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Jiang Y, Shen J, Xue F, Zhao L, Yang J, Shao J, Zhu C, Su J, Chen Y, Brodsky M, Salfinger Y. Validation of the Tadpole TM Campylobacter jejuni Real-Time PCR Identification Kit. J AOAC Int 2019; 102:842-854. [PMID: 30454080 DOI: 10.5740/jaoacint.18-0323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Background: The gene-based real-time PCR method for identification of Campylobacter jejuni is more simple, rapid and accurate than the traditional biochemical method. Objective: A performance validation of the TadpoleTMCampylobacter jejuni Real-Time PCR Identification Kit was performed. Method: The assay uses TaqMan Real-time PCR technology to amplify target genes from isolated colonies. Bacterial deoxyribonucleic acid (DNA) from inclusivity and exclusivity organisms cultured on Columbia Blood Agar, Campy-Cefex agar and modified Charcoal Cefoperazone Deoxycholate was extracted and analyzed on three instruments: Applied Biosystems (ABI) 7500 Fast, ABI StepOne Plus and Bio-Rad CFX96. Results: When 57 distinct strains of C. jejuni were tested for inclusivity, all 57 strains produced positive results on the three instruments. In exclusivity testing, all 35 strains of related organisms, including 7 non-target Campylobacter strains and other common species, produced negative results on the three instruments. The Independent Laboratory validation consisting of an inclusivity and exclusivity evaluation for 10 C. jejuni isolates and 10 nontarget Campylobacter isolates also showed 100% expected results on the three instruments. In addition, in robustness testing, small, deliberate changes to the assay parameters, including cell suspension turbidity, heat lysis time, and DNA template volume in the PCR reaction, did not affect the kit performance. Finally, the combined lot-to-lot and stability study on both the ABI 7500 Fast and the ABI StepOne Plus showed that the 11 C. jejuni strains and 5 nontarget Campylobacter strains can be correctly identified by the three independently manufactured, lots and it supported a shelf life of 9 months when stored at -20°C. Conclusions: The Tadpole method offers a rapid, accurate, and robust alternative for C. jejuni identification. Highlights: Rapid and accurate method to identify C. jejuni, which has a good robustness and high stability. It is flexible and offers the advantages of reduced labor and time saving.
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Affiliation(s)
- Yuan Jiang
- Shanghai Customs, 13 Zhongshan East 1st Rd, Shanghai 200001, China
| | - Jinling Shen
- Shanghai Entry-Exit Inspection and Quarantine Bureau, Technical Center of Animal Plant and Food Inspection and Quarantine, 1208 Minsheng Rd, Shanghai 200135, China
| | - Feng Xue
- Nanjing Agricultural University, College of Veterinary Medicine, 1 Weigang Rd, Nanjing 210095, China
| | - Lina Zhao
- Shanghai Entry-Exit Inspection and Quarantine Bureau, Technical Center of Animal Plant and Food Inspection and Quarantine, 1208 Minsheng Rd, Shanghai 200135, China
| | - Jielin Yang
- Shanghai Entry-Exit Inspection and Quarantine Bureau, Technical Center of Animal Plant and Food Inspection and Quarantine, 1208 Minsheng Rd, Shanghai 200135, China
| | - Jingdong Shao
- Technology Center of Zhangjiagang Entry-Exit Inspection and Quarantine Bureau, 59 Renmin Middle Rd, Zhangjiagang 215600, China
| | - Changqing Zhu
- Nanjing Xiaozhuang University, 41 Beiwei Rd, Nanjing 210017, China
| | - Jing Su
- Suzhou Tadpole Biotechnology Co., Ltd, 218 Xinghu St, Suzhou 215000, China
| | - Yi Chen
- U.S. Food and Drug Administration, Center for Food Safety and Nutrition, 5001 Campus Dr, College Park, MD 20740
| | - Michael Brodsky
- Brodsky Consultants, 73 Donnamora Crescent, Thornhill, ON L3T 4K6, Canada
| | - Yvonne Salfinger
- Consultant, Association of Public Health Laboratories, 1488 Madison St, Denver, CO 80206
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Kim J, Guk JH, Mun SH, An JU, Song H, Kim J, Ryu S, Jeon B, Cho S. Metagenomic analysis of isolation methods of a targeted microbe, Campylobacter jejuni, from chicken feces with high microbial contamination. Microbiome 2019; 7:67. [PMID: 31027515 PMCID: PMC6485176 DOI: 10.1186/s40168-019-0680-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2018] [Accepted: 04/04/2019] [Indexed: 05/06/2023]
Abstract
BACKGROUND Originating from poultry, particularly chickens, Campylobacter jejuni is the leading foodborne pathogen worldwide and a major cause of campylobacteriosis. Isolating C. jejuni is difficult due to its specific growth requirements, the presence of viable but non-culturable bacteria, and because it is often masked by competing flora. Currently, there is no optimized method for isolating C. jejuni from chicken feces. Here, we evaluated the method for isolating C. jejuni from chicken feces using culture-independent sequence-based metagenomics and culture-dependent tools. Further, we assessed changes in microbial communities during microbe isolation to determine how the process can be improved. RESULTS Fourteen different variations of C. jejuni isolation procedures were applied to all 35 chicken fecal samples. These variations included using different enrichment broths (without enrichment or enrichment in Bolton or Preston broth), different ratios of sample-to-enrichment broth (1:101, 1:102, and 1:103), and different selective agars (modified charcoal-cefoperazone-deoxycholate agar (mCCDA) or Preston agar). Enrichment during isolation of C. jejuni was evaluated on the basis of microbial diversity and taxonomic composition using metagenomics tools. The effect of selective media was evaluated using a combination of metagenomics and culture-dependent tools. Microbial diversity significantly decreased during the enrichment process, regardless of the type of enrichment broth, with the most significant decrease observed at a feces-to-broth ratio of 1:103. Particularly, in 103-Preston broth, the relative abundance of Campylobacter increased, while extended-spectrum beta-lactamase-producing Escherichia coli, which interfere with Campylobacter isolation, decreased. Metagenomics results were validated by quantitative PCR and culture-dependent analysis. Additionally, selective media affected the isolation results, although microbes with high relative abundance during enrichment were also frequently isolated using culture-dependent methods. Significantly more C. jejuni was isolated from mCCDA than from Preston agar enriched in 103 Preston broth. CONCLUSIONS Enrichment in Preston broth at a ratio of 1:103 followed by spreading onto mCCDA was the most effective method for isolating C. jejuni. This is the first study to apply metagenomics to evaluate a method for isolating a targeted microbe, C. jejuni, from chicken feces, a source with high microbial contamination. Thus, metagenomics can be applied to improve methods for isolating bacteria that are difficult to separate.
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Affiliation(s)
- Junhyung Kim
- Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Jae-Ho Guk
- Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Seung-Hyun Mun
- Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Jae-Uk An
- Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Hyokeun Song
- Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
| | - Jinshil Kim
- Department of Food and Animal Biotechnology, Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Sciences, and Center for Food and Bioconvergence, Seoul National University, Seoul, Republic of Korea
| | - Sangryeol Ryu
- Department of Food and Animal Biotechnology, Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Sciences, and Center for Food and Bioconvergence, Seoul National University, Seoul, Republic of Korea
| | - Byeonghwa Jeon
- Department of Food and Animal Biotechnology, Department of Agricultural Biotechnology, Research Institute for Agriculture and Life Sciences, and Center for Food and Bioconvergence, Seoul National University, Seoul, Republic of Korea
- School of Public Health, University of Alberta, Edmonton, Alberta Canada
| | - Seongbeom Cho
- Research Institute for Veterinary Science and College of Veterinary Medicine, Seoul National University, Seoul, Republic of Korea
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40
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Soumaila Garba A, Thibodeau A, Perron A, Laurent-Lewandowski S, Letellier A, Fravalo P. In vitro efficacy of potentiated egg yolk powder against Campylobacter jejuni does not correlate with in vitro efficacy. PLoS One 2019; 14:e0212946. [PMID: 30845147 PMCID: PMC6405129 DOI: 10.1371/journal.pone.0212946] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 02/12/2019] [Indexed: 11/22/2022] Open
Abstract
Campylobacter jejuni is a zoonotic agent responsible for the foodborne gastroenteritis campylobacteriosis. Control of C. jejuni load in the poultry primary production is recognized as an avenue to reduce human exposure to the pathogen. As for now, no commercially applicable control methods exist at the farm. Several studies tested egg yolk powders, potentiated or not against C. jejuni, as feed additives for chicken and suggested that the quantity and quality of the antibodies presence in the yolk are determinant factors for the full success of this approach. Unfortunately, data from these studies inconsistently showed a reduction of cecal C. jejuni carriage. Our first goal wwas to characterize (quantification by ELISA, agglutination test, bacterial antigen recognition profiles by Western blot, bactericidal effect by serum killing assays and C. jejuni mobility by soft agar migation) the antibodies extracted from egg yolk powders originating from different egg production protocols. Secondly, these powders were microencapsulated and recharacterized. Finally the protected powders were tested as a feed additive to destabilize C. jejuni colonization in an in vivo assay. Despite the in vitro results indicating the ability of the egg yolk powders to recognize Campylobacter and potentially alter its colonization of the chicken caecum, these results were not confirmed in the in vivo trial despite that specific caecal IgY directed toward Campylobacter were detected in the groups receiving the protected powders. More research is needed on Campylobacter in order to effectively control this pathogen at the farm.
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Affiliation(s)
- Amina Soumaila Garba
- Chaire de Recherche industrielle du CRSNG en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
- Groupe de recherche et d'enseignement en salubrité alimentaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Alexandre Thibodeau
- Chaire de Recherche industrielle du CRSNG en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
- Groupe de recherche et d'enseignement en salubrité alimentaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Audrey Perron
- Chaire de Recherche industrielle du CRSNG en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
- Groupe de recherche et d'enseignement en salubrité alimentaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Sylvette Laurent-Lewandowski
- Chaire de Recherche industrielle du CRSNG en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
- Groupe de recherche et d'enseignement en salubrité alimentaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Ann Letellier
- Chaire de Recherche industrielle du CRSNG en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
- Groupe de recherche et d'enseignement en salubrité alimentaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
- Centre de recherche en infectiologie porcine et avicole, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Philippe Fravalo
- Chaire de Recherche industrielle du CRSNG en salubrité des viandes, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
- Groupe de recherche et d'enseignement en salubrité alimentaire, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
- Centre de recherche en infectiologie porcine et avicole, Faculté de médecine vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
- * E-mail:
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Pedati C, Koirala S, Safranek T, Buss BF, Carlson AV. Campylobacteriosis Outbreak Associated with Contaminated Municipal Water Supply - Nebraska, 2017. MMWR Morb Mortal Wkly Rep 2019; 68:169-173. [PMID: 30789878 PMCID: PMC6385708 DOI: 10.15585/mmwr.mm6807a1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Kovanen S, Rossi M, Pohja-Mykrä M, Nieminen T, Raunio-Saarnisto M, Sauvala M, Fredriksson-Ahomaa M, Hänninen ML, Kivistö R. Population Genetics and Characterization of Campylobacter jejuni Isolates from Western Jackdaws and Game Birds in Finland. Appl Environ Microbiol 2019; 85:e02365-18. [PMID: 30552190 PMCID: PMC6365822 DOI: 10.1128/aem.02365-18] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 12/08/2018] [Indexed: 01/18/2023] Open
Abstract
Poultry are considered a major reservoir and source of human campylobacteriosis, but the roles of environmental reservoirs, including wild birds, have not been assessed in depth. In this study, we isolated and characterized Campylobacter jejuni from western jackdaws (n = 91, 43%), mallard ducks (n = 82, 76%), and pheasants (n = 9, 9%). Most of the western jackdaw and mallard duck C. jejuni isolates represented multilocus sequence typing (MLST) sequence types (STs) that diverged from those previously isolated from human patients and various animal species, whereas all pheasant isolates represented ST-19, a common ST among human patients and other hosts worldwide. Whole-genome MLST revealed that mallard duck ST-2314 and pheasant ST-19 isolates represented bacterial clones that were genetically highly similar to human isolates detected previously. Further analyses revealed that in addition to a divergent ClonalFrame genealogy, certain genomic characteristics of the western jackdaw C. jejuni isolates, e.g., a novel cdtABC gene cluster and the type VI secretion system (T6SS), may affect their host specificity and virulence. Game birds may thus pose a risk for acquiring campylobacteriosis; therefore, hygienic measures during slaughter and meat handling warrant special attention.IMPORTANCE The roles of environmental reservoirs, including wild birds, in the molecular epidemiology of Campylobacter jejuni have not been assessed in depth. Our results showed that game birds may pose a risk for acquiring campylobacteriosis, because they had C. jejuni genomotypes highly similar to human isolates detected previously. Therefore, hygienic measures during slaughter and meat handling warrant special attention. On the contrary, a unique phylogeny was revealed for the western jackdaw isolates, and certain genomic characteristics identified among these isolates are hypothesized to affect their host specificity and virulence. Comparative genomics within sequence types (STs), using whole-genome multilocus sequence typing (wgMLST), and phylogenomics are efficient methods to analyze the genomic relationships of C. jejuni isolates.
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Affiliation(s)
- Sara Kovanen
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Mirko Rossi
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Mari Pohja-Mykrä
- Ruralia Institute, Faculty of Agriculture and Forestry, University of Helsinki, Seinäjoki, Finland
| | - Timo Nieminen
- Ruralia Institute, Faculty of Agriculture and Forestry, University of Helsinki, Seinäjoki, Finland
| | | | - Mikaela Sauvala
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Maria Fredriksson-Ahomaa
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Marja-Liisa Hänninen
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Rauni Kivistö
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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Yamada K, Saito R, Muto S, Sasaki M, Murakami H, Aoki K, Ishii Y, Tateda K. Long-term observation of antimicrobial susceptibility and molecular characterisation of Campylobacter jejuni isolated in a Japanese general hospital 2000-2017. J Glob Antimicrob Resist 2019; 18:59-63. [PMID: 30753906 DOI: 10.1016/j.jgar.2019.02.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 02/01/2019] [Accepted: 02/01/2019] [Indexed: 11/18/2022] Open
Abstract
OBJECTIVES Campylobacter jejuni (C. jejuni) is one of the most common pathogens that causes gastroenteritis. Because there is currently insufficient epidemiological information about the antimicrobial susceptibility and molecular characterisation of clinical isolates of C. jejuni in Japan, this study carried out antimicrobial susceptibility testing and multilocus sequence typing (MLST) of clinical C. jejuni isolates in Tokyo between 2000-2017. METHODS Antimicrobial susceptibility to erythromycin and ciprofloxacin was tested using the broth microdilution method in 430 C. jejuni clinical isolates collected over 18 years, between 2000-2017, at a Tokyo general hospital. To observe the sequence type (ST) evolution, 82 isolates were chosen from three non-consecutive years (16 isolates from 2000, 25 isolates from 2008, and 41 isolates from 2017) and analysed by MLST as a molecular characterisation test. Mutations in the quinolone resistance-determining region of the gyrA and gyrB genes were identified. RESULTS The rate of resistance to erythromycin was low, but that of ciprofloxacin resistance was 34.9% in 2000-2008 and 41.9% in 2009-2017. The most common clonal complex (CC) identified during the entire period was CC21; ST4526 with ciprofloxacin resistance was highly prevalent in 2017 (6 of 11; 54.5%). CONCLUSION The results indicate that the rate of resistance to quinolone has gradually increased. Since ST4526 was not isolated in 2000 and 2008, it is likely that ST4526 is rapidly increasing in Japan.
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Affiliation(s)
- Kageto Yamada
- Department of Clinical Laboratory, Toho University Medical center Omori Hospital, Tokyo, Japan.
| | - Ryoichi Saito
- Department of Microbiology and Immunology, Graduate School of Health Care Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Saori Muto
- Department of Clinical Laboratory, Tokyo Metropolitan Health and Medical Treatment Corporation Toshima Hospital, Tokyo, Japan
| | - Masakazu Sasaki
- Department of Clinical Laboratory, Toho University Medical center Omori Hospital, Tokyo, Japan
| | - Hinako Murakami
- Department of Clinical Laboratory, Toho University Medical center Omori Hospital, Tokyo, Japan
| | - Kotaro Aoki
- Department of Microbiology and Infectious Disease, Toho University School of Medicine, Tokyo, Japan
| | - Yoshikazu Ishii
- Department of Microbiology and Infectious Disease, Toho University School of Medicine, Tokyo, Japan
| | - Kazuhiro Tateda
- Department of Microbiology and Infectious Disease, Toho University School of Medicine, Tokyo, Japan
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Mohan V, Habib I. Multilocus sequence typing (MLST), porA and flaA typing of Campylobacter jejuni isolated from cats attending a veterinary clinic. BMC Res Notes 2019; 12:76. [PMID: 30717780 PMCID: PMC6360738 DOI: 10.1186/s13104-019-4107-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Accepted: 01/31/2019] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE Campylobacter is a major cause of gastroenteritis in humans and pet ownership is a risk factor for infection. To study the occurrence, species distribution and sequence-based types of Campylobacter spp. in pet cats, 82 faecal samples were collected from cats in New Zealand. The PCR positive samples of Campylobacter jejuni were characterized by multilocus sequence typing (MLST), major outer membrane protein gene (porA) and flagellin A gene (flaA) sequence typing. RESULTS Seven faecal samples were tested positive for Campylobacter spp. (9%, or 4-17% at 95% confidence interval), of which six were identified as C. jejuni, and one was C. upsaliensis. The six C. jejuni isolates were characterised by MLST; four belonged to ST-45 clonal complex and two of the isolates could not be typed. Two flaA-SVR types were identified: three samples were flaA-SVR type 8 and one belonged to 239. By combining all data, three isolates were indistinguishable with allelic combinations of ST-45, flaA-SVR 8, porA 44, although no epidemiological connection between these isolates could be established. To conclude, healthy cats can carry C. jejuni, whose detected genetic diversity is limited. The isolated sequence type ST-45 is frequently reported in human illnesses.
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Affiliation(s)
- Vathsala Mohan
- Institute of Veterinary, Animal and Biomedical Sciences, Massey University, Palmerston North, New Zealand
| | - Ihab Habib
- School of Veterinary Medicine, Murdoch University, Perth, Western Australia Australia
- High Institute of Public Health, Alexandria University, Alexandria, Egypt
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45
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He K, Zhang X, Chen L, Zhao R, Wang L. Sensitive detection of Campylobacter jejuni using one-step strategy based on functional nanospheres of immunomagnetic capture and quantum dots. Ecotoxicol Environ Saf 2018; 163:274-278. [PMID: 30056341 DOI: 10.1016/j.ecoenv.2018.07.050] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 07/04/2018] [Accepted: 07/12/2018] [Indexed: 06/08/2023]
Abstract
Campylobacter jejuni has emerged as the most common bacterial foodborne illness in the developed world. Here, we demonstrate a convenient one-step strategy for detecting C. jejuni. Immunomagnetic nanospheres (IMNS) and immunofluorescent nanospheres (IFNS, quantum dots) were used for the simultaneous, sensitive capture and recognition of C. jejuni. After magnetic separation with the IMNS, detection of C. jejuni was achieved with fluorescence measurement of the IFNS in the sandwich complexes (IMNS-bacteria-IFNS). The limit of detection of this assay was 103 CFU/mL, and the linear range was from 105 to 107 CFU/mL (R2 = 0.9994). When compared with a conventional two-step detection strategy, in which C. jejuni was first captured with the IMNS and then detected using the IFNS, this one-step detection strategy enhance sensitivity and save time. This suggested that the developed method has the potential for use as an alternative to the standard method for food quality assurance, as it provides rapid detection of C. jejuni in foodstuffs and the environment.
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Affiliation(s)
- Kuo He
- Food Safety Centre, Hebei North University, Zhangjiakou 075000, China
| | - Xiuyuan Zhang
- Food Safety Centre, Hebei North University, Zhangjiakou 075000, China; College of Animal Science, Inner Mongolia Agricultural University, Hohhot 010018, China.
| | - Lin Chen
- College of Food Engineering, Henan University of Animal Husbandry and Economy, Zhenzhou, 450046, China
| | - Ruiping Zhao
- Food Safety Centre, Hebei North University, Zhangjiakou 075000, China
| | - Lixia Wang
- Food Safety Centre, Hebei North University, Zhangjiakou 075000, China
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46
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Oakeson KF, Wagner JM, Rohrwasser A, Atkinson-Dunn R. Whole-Genome Sequencing and Bioinformatic Analysis of Isolates from Foodborne Illness Outbreaks of Campylobacter jejuni and Salmonella enterica. J Clin Microbiol 2018; 56:e00161-18. [PMID: 30158193 PMCID: PMC6204689 DOI: 10.1128/jcm.00161-18] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 08/24/2018] [Indexed: 12/18/2022] Open
Abstract
Whole-genome sequencing (WGS) via next-generation sequencing (NGS) technologies is a powerful tool for determining the relatedness of bacterial isolates in foodborne illness detection and outbreak investigations. WGS has been applied to national outbreaks (for example, Listeria monocytogenes); however, WGS has rarely been used in smaller local outbreaks. The current study demonstrates the superior resolution of genetic and evolutionary relatedness generated by WGS data analysis, compared to pulsed-field gel electrophoresis (PFGE). The current study retrospectively applies WGS and a reference-free bioinformatic analysis to a Utah-specific outbreak of Campylobacter jejuni associated with raw milk and to a national multistate outbreak of Salmonella enterica subsp. enterica serovar Typhimurium associated with rotisserie chicken, both of which were characterized previously by PFGE. Together, these analyses demonstrate how a reference-free WGS workflow is not reliant on determination of a reference sequence, like WGS workflows that are based on single-nucleotide polymorphisms, or the need for curated allele databases, like multilocus sequence typing workflows.
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Affiliation(s)
- Kelly F Oakeson
- Utah Department of Health, Utah Public Health Laboratory, Salt Lake City, Utah, USA
| | | | - Andreas Rohrwasser
- Utah Department of Health, Utah Public Health Laboratory, Salt Lake City, Utah, USA
| | - Robyn Atkinson-Dunn
- Utah Department of Health, Utah Public Health Laboratory, Salt Lake City, Utah, USA
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47
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Devi A, Mahony TJ, Wilkinson JM, Vanniasinkam T. Antimicrobial susceptibility of clinical isolates of Campylobacter jejuni from New South Wales, Australia. J Glob Antimicrob Resist 2018; 16:76-80. [PMID: 30267925 DOI: 10.1016/j.jgar.2018.09.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 09/17/2018] [Accepted: 09/19/2018] [Indexed: 01/22/2023] Open
Abstract
OBJECTIVES The aim of this study was to investigate the prevalence of resistance to commonly used antimicrobials in Campylobacter jejuni isolates from clinical faecal samples in New South Wales (NSW), Australia. METHODS A total of 117 C. jejuni isolates from human faecal samples from regional and metropolitan NSW were examined for antimicrobial resistance. RESULTS Of the 117 isolates tested, 15.4% were resistant to ampicillin, 5.1% to tetracycline and 13.7% to ciprofloxacin. Most of the isolates were susceptible to erythromycin, except for three that showed intermediate resistance. Furthermore, 9.4% of isolates were resistant (or intermediate-resistant) to more than one antimicrobial agent. Isolates that were resistant to ampicillin and tetracycline harboured the blaOXA-61 and tet(O) genes, respectively. A mutation in the gyrA gene, resulting in the T86I substitution, was identified in the majority of ciprofloxacin-resistant isolates. CONCLUSION The data obtained in the current study demonstrate that the majority of C. jejuni isolates evaluated were susceptible to one or more antimicrobials tested. Apart from three isolates that demonstrated intermediate resistance, all of the isolates were susceptible to erythromycin, which is the drug of choice for treating Campylobacter infections.
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Affiliation(s)
- Aruna Devi
- School of Biomedical Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia
| | - Timothy J Mahony
- Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Brisbane, Queensland, Australia
| | - Jenny M Wilkinson
- School of Biomedical Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia
| | - Thiru Vanniasinkam
- School of Biomedical Sciences, Charles Sturt University, Wagga Wagga, New South Wales, Australia.
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Montgomery MP, Robertson S, Koski L, Salehi E, Stevenson LM, Silver R, Sundararaman P, Singh A, Joseph LA, Weisner MB, Brandt E, Prarat M, Bokanyi R, Chen JC, Folster JP, Bennett CT, Francois Watkins LK, Aubert RD, Chu A, Jackson J, Blanton J, Ginn A, Ramadugu K, Stanek D, DeMent J, Cui J, Zhang Y, Basler C, Friedman CR, Geissler AL, Crowe SJ, Dowell N, Dixon S, Whitlock L, Williams I, Jhung MA, Nichols MC, de Fijter S, Laughlin ME. Multidrug-Resistant Campylobacter jejuni Outbreak Linked to Puppy Exposure - United States, 2016-2018. MMWR Morb Mortal Wkly Rep 2018; 67:1032-1035. [PMID: 30235182 PMCID: PMC6147421 DOI: 10.15585/mmwr.mm6737a3] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
Campylobacter causes an estimated 1.3 million diarrheal illnesses in the United States annually (1). In August 2017, the Florida Department of Health notified CDC of six Campylobacter jejuni infections linked to company A, a national pet store chain based in Ohio. CDC examined whole-genome sequencing (WGS) data and identified six isolates from company A puppies in Florida that were highly related to an isolate from a company A customer in Ohio. This information prompted a multistate investigation by local and state health and agriculture departments and CDC to identify the outbreak source and prevent additional illness. Health officials from six states visited pet stores to collect puppy fecal samples, antibiotic records, and traceback information. Nationally, 118 persons, including 29 pet store employees, in 18 states were identified with illness onset during January 5, 2016-February 4, 2018. In total, six pet store companies were linked to the outbreak. Outbreak isolates were resistant by antibiotic susceptibility testing to all antibiotics commonly used to treat Campylobacter infections, including macrolides and quinolones. Store record reviews revealed that among 149 investigated puppies, 142 (95%) received one or more courses of antibiotics, raising concern that antibiotic use might have led to development of resistance. Public health authorities issued infection prevention recommendations to affected pet stores and recommendations for testing puppies to veterinarians. This outbreak demonstrates that puppies can be a source of multidrug-resistant Campylobacter infections in humans, warranting a closer look at antimicrobial use in the commercial dog industry.
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Schattner A. I could have consulted fishermen. QJM 2018; 111:673. [PMID: 30239933 DOI: 10.1093/qjmed/hcx056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Indexed: 11/13/2022] Open
Affiliation(s)
- A Schattner
- From the Faculty of Medicine, Hebrew University and Hadassah Medical School, Jerusalem, Israel
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50
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Fabre A, Oleastro M, Nunes A, Santos A, Sifré E, Ducournau A, Bénéjat L, Buissonnière A, Floch P, Mégraud F, Dubois V, Lehours P. Whole-Genome Sequence Analysis of Multidrug-Resistant Campylobacter Isolates: a Focus on Aminoglycoside Resistance Determinants. J Clin Microbiol 2018; 56:e00390-18. [PMID: 29976591 PMCID: PMC6113490 DOI: 10.1128/jcm.00390-18] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 06/28/2018] [Indexed: 01/03/2023] Open
Abstract
A whole-genome sequencing (WGS) approach was conducted in order to identify the molecular determinants associated with antimicrobial resistance in 12 multidrug-resistant Campylobacter jejuni and Campylobacter coli isolates, with a focus on aminoglycoside resistance determinants. Two variants of a new aminoglycoside phosphotransferase gene [aph(2″)-Ii1 and aph(2″)-Ii2 ] putatively associated with gentamicin resistance were found. In addition, the following new genes were identified for the first time in Campylobacter: a lincosamide nucleotidyltransferase gene [lnu(G)], likely associated with lincomycin resistance, and two resistance enzyme genes (spw and apmA) similar to those found in Staphylococcus aureus, which may confer spectinomycin and gentamicin resistance, respectively. A C1192T mutation of the 16S rRNA gene that may be involved in spectinomycin resistance was also found in a C. coli isolate. Genes identified in the present study were located either on the bacterial chromosome or on plasmids that could be transferred naturally. Their role in aminoglycoside resistance remains to be supported by genetic studies. Regarding the other antimicrobial agents studied, i.e., ampicillin, ciprofloxacin, erythromycin, and tetracycline, a perfect correlation between antimicrobial phenotypes and genotypes was found. Overall, our data suggest that WGS analysis is a powerful tool for identifying resistance determinants in Campylobacter and can disclose the full genetic elements associated with resistance, including antimicrobial compounds not tested routinely in antimicrobial susceptibility testing.
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Affiliation(s)
- Adrien Fabre
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Monica Oleastro
- National Reference Laboratory of Gastrointestinal Infections, Department of Infectious Diseases, National Institute of Health, Lisbon, Portugal
| | - Alexandra Nunes
- Bioinformatics Unit, Department of Infectious Diseases, National Institute of Health, Lisbon, Portugal
| | - Andrea Santos
- National Reference Laboratory of Gastrointestinal Infections, Department of Infectious Diseases, National Institute of Health, Lisbon, Portugal
| | - Elodie Sifré
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Astrid Ducournau
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Lucie Bénéjat
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Alice Buissonnière
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Pauline Floch
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Francis Mégraud
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | | | - Philippe Lehours
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
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