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Garcia-Fernandez A, Janowicz A, Marotta F, Napoleoni M, Arena S, Primavilla S, Pitti M, Romantini R, Tomei F, Garofolo G, Villa L. Antibiotic resistance, plasmids, and virulence-associated markers in human strains of Campylobacter jejuni and Campylobacter coli isolated in Italy. Front Microbiol 2024; 14:1293666. [PMID: 38260875 PMCID: PMC10800408 DOI: 10.3389/fmicb.2023.1293666] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Accepted: 12/07/2023] [Indexed: 01/24/2024] Open
Abstract
Campylobacteriosis, a prevalent foodborne gastrointestinal infection in Europe, is primarily caused by Campylobacter jejuni and Campylobacter coli, with rising global concerns over antimicrobial resistance in these species. This study comprehensively investigates 133 human-origin Campylobacter spp. strains (102 C. jejuni and 31 C. coli) collected in Italy from 2013 to 2021. The predominant Multilocus Sequence Typing Clonal complexes (CCs) were ST-21 CC and ST-206 CC in C. jejuni and ST-828 CC in C. coli. Ciprofloxacin and tetracycline resistance, mainly attributed to GyrA (T86I) mutation and tet(O) presence, were prevalent, while erythromycin resistance was associated with 23S rRNA gene mutation (A2075G), particularly in C. coli exhibiting multidrug-resistant pattern CipTE. Notable disparities in virulence factors among strains were observed, with C. jejuni exhibiting a higher abundance compared to C. coli. Notably, specific C. jejuni sequence types, including ST-21, ST-5018, and ST-1263, demonstrated significantly elevated counts of virulence genes. This finding underscores the significance of considering both the species and strain-level variations in virulence factor profiles, shedding light on potential differences in the pathogenicity and clinical outcomes associated with distinct C. jejuni lineages. Campylobacter spp. plasmids were classified into three groups comprising pVir-like and pTet-like plasmids families, exhibiting diversity among Campylobacter spp. The study underscores the importance of early detection through Whole Genome Sequencing to identify potential emergent virulence, resistance/virulence plasmids, and new antimicrobial resistance markers. This approach provides actionable public health data, supporting the development of robust surveillance programs in Italy.
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Affiliation(s)
| | - Anna Janowicz
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise "G. Caporale", Teramo, Italy
| | - Francesca Marotta
- National Reference Laboratory for Campylobacter, Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise "G. Caporale", Teramo, Italy
| | - Maira Napoleoni
- Centro di Riferimento Regionale Patogeni Enterici, CRRPE, Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche “T. Rosati”, Perugia, Italy
| | - Sergio Arena
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
| | - Sara Primavilla
- Centro di Riferimento Regionale Patogeni Enterici, CRRPE, Istituto Zooprofilattico Sperimentale dell’Umbria e delle Marche “T. Rosati”, Perugia, Italy
| | - Monica Pitti
- Centro di Riferimento per la Tipizzazione delle Salmonelle, CeRTiS, Istituto Zooprofilattico Sperimentale del Piemonte Liguria e Valle d'Aosta, Turin, Italy
| | - Romina Romantini
- 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
| | - Laura Villa
- Department of Infectious Diseases, Istituto Superiore di Sanità, Rome, Italy
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Zou L, Li Y, Zhou G, Huang Z, Ju C, Zhao C, Gao X, Zhen B, Zhang P, Guo X, Zhang J, Zhang Y, Liu B, Zhou S, Yan A, Kang Y, Wang Y, Ma H, Li X, Zhang M. A Large Acute Gastroenteritis Outbreak Associated with Both Campylobacter coli and Human Sapovirus - Beijing Municipality, China, 2021. China CDC Wkly 2023; 5:1167-1173. [PMID: 38164467 PMCID: PMC10757730 DOI: 10.46234/ccdcw2023.219] [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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 12/24/2023] [Indexed: 01/03/2024] Open
Abstract
What is already known about this topic? Campylobacter is a significant foodborne pathogen that leads to global outbreaks of acute gastroenteritis (AGE) usually affecting less than 30 individuals. Human sapovirus (HuSaV) is an enteric virus responsible for sporadic cases and outbreaks of AGE worldwide. In a study conducted in Beijing, HuSaV detection ranked second after norovirus. What is added by this report? We present a discussion of the first large-scale outbreak of AGE caused by both Campylobacter coli (C. coli) and HuSaV. The outbreak involved a total of 996 patients and exhibited two distinct peaks over a period of 17 days. Through case-control studies, we identified exposure to raw water from a secondary water supply system as a significant risk factor. Among 83 patients, 49 samples tested positive for C. coli, 39 samples tested positive for HuSaV, and 27 samples tested positive for both pathogens using real-time polymerase chain reaction detection. Furthermore, whole-genome sequencing of 17 C. coli isolates obtained from 17 patients revealed that all isolates belonged to a highly clonal strain of C. coli. What are the implications for public health practice? Outbreaks of AGE resulting from multiple pathogen infections warrant increased attention. This report emphasizes the significance of ensuring the safety of drinking water, particularly in secondary supply systems.
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Affiliation(s)
- Lin Zou
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Ying Li
- Shunyi District Center for Disease Control and Prevention, Beijing, China
| | - Guilan Zhou
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zhenzhou Huang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Changyan Ju
- Nanshan District Center for Disease Control and Prevention, Shenzhen City, Guangdong Province, China
| | - Chunyan Zhao
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Xiang Gao
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Bojun Zhen
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Ping Zhang
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Xiaochen Guo
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Jing Zhang
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Yang Zhang
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Bo Liu
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Shaolei Zhou
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Aixia Yan
- Shunyi District Center for Disease Control and Prevention, Beijing, China
| | - Ying Kang
- Shunyi District Center for Disease Control and Prevention, Beijing, China
| | - Yanchun Wang
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Hongmei Ma
- Shunyi District Center for Disease Control and Prevention, Beijing, China
| | - Xiaohui Li
- Tongzhou District Center for Disease Control and Prevention, Beijing, China
| | - Maojun Zhang
- National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases, National Institute for Communicable Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
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Bhandari M, Poelstra JW, Kauffman M, Varghese B, Helmy YA, Scaria J, Rajashekara G. Genomic Diversity, Antimicrobial Resistance, Plasmidome, and Virulence Profiles of Salmonella Isolated from Small Specialty Crop Farms Revealed by Whole-Genome Sequencing. Antibiotics (Basel) 2023; 12:1637. [PMID: 37998839 PMCID: PMC10668983 DOI: 10.3390/antibiotics12111637] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 11/10/2023] [Accepted: 11/15/2023] [Indexed: 11/25/2023] Open
Abstract
Salmonella is the leading cause of death associated with foodborne illnesses in the USA. Difficulty in treating human salmonellosis is attributed to the development of antimicrobial resistance and the pathogenicity of Salmonella strains. Therefore, it is important to study the genetic landscape of Salmonella, such as the diversity, plasmids, and presence antimicrobial resistance genes (AMRs) and virulence genes. To this end, we isolated Salmonella from environmental samples from small specialty crop farms (SSCFs) in Northeast Ohio from 2016 to 2021; 80 Salmonella isolates from 29 Salmonella-positive samples were subjected to whole-genome sequencing (WGS). In silico serotyping revealed the presence of 15 serotypes. AMR genes were detected in 15% of the samples, with 75% exhibiting phenotypic and genotypic multidrug resistance (MDR). Plasmid analysis demonstrated the presence of nine different types of plasmids, and 75% of AMR genes were located on plasmids. Interestingly, five Salmonella Newport isolates and one Salmonella Dublin isolate carried the ACSSuT gene cassette on a plasmid, which confers resistance to ampicillin, chloramphenicol, streptomycin, sulfonamide, and tetracycline. Overall, our results show that SSCFs are a potential reservoir of Salmonella with MDR genes. Thus, regular monitoring is needed to prevent the transmission of MDR Salmonella from SSCFs to humans.
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Affiliation(s)
- Menuka Bhandari
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (M.B.); (M.K.)
| | - Jelmer W. Poelstra
- Molecular and Cellular Imaging Center, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA;
| | - Michael Kauffman
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (M.B.); (M.K.)
| | - Binta Varghese
- Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, OK 74074, USA; (B.V.); (J.S.)
| | - Yosra A. Helmy
- Department of Veterinary Science, Martin-Gatton College of Agriculture, Food and Environment, University of Kentucky, Lexington, KY 40546, USA;
| | - Joy Scaria
- Department of Veterinary Pathobiology, Oklahoma State University, Stillwater, OK 74074, USA; (B.V.); (J.S.)
| | - Gireesh Rajashekara
- Center for Food Animal Health, Department of Animal Sciences, College of Food, Agricultural, and Environmental Sciences, The Ohio State University, Wooster, OH 44691, USA; (M.B.); (M.K.)
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