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Sabotič J, Janež N, Volk M, Klančnik A. Molecular structures mediating adhesion of Campylobacter jejuni to abiotic and biotic surfaces. Vet Microbiol 2023; 287:109918. [PMID: 38029692 DOI: 10.1016/j.vetmic.2023.109918] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 11/13/2023] [Accepted: 11/19/2023] [Indexed: 12/01/2023]
Abstract
Microaerophilic, Gram-negative Campylobacter jejuni is the causative agent of campylobacteriosis, the most common bacterial gastrointestinal infection worldwide. Adhesion is the crucial first step in both infection or interaction with the host and biofilm formation, and is a critical factor for bacterial persistence. Here we describe the proteins and other surface structures that promote adhesion to various surfaces, including abiotic surfaces, microorganisms, and animal and human hosts. In addition, we provide insight into the distribution of adhesion proteins among strains from different ecological niches and highlight unexplored proteins involved in C. jejuni adhesion. Protein-protein, protein-glycan, and glycan-glycan interactions are involved in C. jejuni adhesion, with different factors contributing to adhesion to varying degrees under different circumstances. As adhesion is essential for survival and persistence, it represents an interesting target for C. jejuni control. Knowledge of the adhesion process is incomplete, as different molecular and functional aspects have been studied for different structures involved in adhesion. Therefore, it is important to strive for an integration of different approaches to obtain a clearer picture of the adhesion process on different surfaces and to consider the involvement of proteins, glycoconjugates, and polysaccharides and their cooperation.
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Affiliation(s)
- Jerica Sabotič
- Department of Biotechnology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Nika Janež
- Department of Biotechnology, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Manca Volk
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Slovenia
| | - Anja Klančnik
- Department of Food Science and Technology, Biotechnical Faculty, University of Ljubljana, Slovenia.
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Rodrigues JA, Blankenship HM, Cha W, Mukherjee S, Sloup RE, Rudrik JT, Soehnlen M, Manning SD. Pangenomic analyses of antibiotic-resistant Campylobacter jejuni reveal unique lineage distributions and epidemiological associations. Microb Genom 2023; 9:mgen001073. [PMID: 37526649 PMCID: PMC10483415 DOI: 10.1099/mgen.0.001073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Accepted: 06/29/2023] [Indexed: 08/02/2023] Open
Abstract
Application of whole-genome sequencing (WGS) to characterize foodborne pathogens has advanced our understanding of circulating genotypes and evolutionary relationships. Herein, we used WGS to investigate the genomic epidemiology of Campylobacter jejuni, a leading cause of foodborne disease. Among the 214 strains recovered from patients with gastroenteritis in Michigan, USA, 85 multilocus sequence types (STs) were represented and 135 (63.1 %) were phenotypically resistant to at least one antibiotic. Horizontally acquired antibiotic resistance genes were detected in 128 (59.8 %) strains and the genotypic resistance profiles were mostly consistent with the phenotypes. Core-gene phylogenetic reconstruction identified three sequence clusters that varied in frequency, while a neighbour-net tree detected significant recombination among the genotypes (pairwise homoplasy index P<0.01). Epidemiological analyses revealed that travel was a significant contributor to pangenomic and ST diversity of C. jejuni, while some lineages were unique to rural counties and more commonly possessed clinically important resistance determinants. Variation was also observed in the frequency of lineages over the 4 year period with chicken and cattle specialists predominating. Altogether, these findings highlight the importance of geographically specific factors, recombination and horizontal gene transfer in shaping the population structure of C. jejuni. They also illustrate the usefulness of WGS data for predicting antibiotic susceptibilities and surveillance, which are important for guiding treatment and prevention strategies.
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Affiliation(s)
- Jose A. Rodrigues
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
| | - Heather M. Blankenship
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
- Michigan Department of Health and Human Services, Bureau of Laboratories, Lansing, Michigan, USA
| | - Wonhee Cha
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
- Present address: National Veterinary Institute, Uppsala, Sweden
| | - Sanjana Mukherjee
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
- Present address: Center for Global Health Science and Security, Georgetown University, Washington, USA
| | - Rebekah E. Sloup
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
| | - James T. Rudrik
- Michigan Department of Health and Human Services, Bureau of Laboratories, Lansing, Michigan, USA
| | - Marty Soehnlen
- Michigan Department of Health and Human Services, Bureau of Laboratories, Lansing, Michigan, USA
| | - Shannon D. Manning
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, USA
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dessouky YE, Elsayed SW, Abdelsalam NA, Saif NA, Álvarez-Ordóñez A, Elhadidy M. Genomic insights into zoonotic transmission and antimicrobial resistance in Campylobacter jejuni from farm to fork: a one health perspective. Gut Pathog 2022; 14:44. [PMID: 36471447 PMCID: PMC9721040 DOI: 10.1186/s13099-022-00517-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 11/08/2022] [Indexed: 12/09/2022] Open
Abstract
BACKGROUND Campylobacteriosis represents a global public health threat with various socio-economic impacts. Among different Campylobacter species, Campylobacter jejuni (C. jejuni) is considered to be the foremost Campylobacter species responsible for most of gastrointestinal-related infections. Although these species are reported to primarily inhabit birds, its high genetic and phenotypic diversity allowed their adaptation to other animal reservoirs and to the environment that may impact on human infection. MAIN BODY A stringent and consistent surveillance program based on high resolution subtyping is crucial. Recently, different epidemiological investigations have implemented high-throughput sequencing technologies and analytical pipelines for higher resolution subtyping, accurate source attribution, and detection of antimicrobial resistance determinants among these species. In this review, we aim to present a comprehensive overview on the epidemiology, clinical presentation, antibiotic resistance, and transmission dynamics of Campylobacter, with specific focus on C. jejuni. This review also summarizes recent attempts of applying whole-genome sequencing (WGS) coupled with bioinformatic algorithms to identify and provide deeper insights into evolutionary and epidemiological dynamics of C. jejuni precisely along the farm-to-fork continuum. CONCLUSION WGS is a valuable addition to traditional surveillance methods for Campylobacter. It enables accurate typing of this pathogen and allows tracking of its transmission sources. It is also advantageous for in silico characterization of antibiotic resistance and virulence determinants, and hence implementation of control measures for containment of infection.
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Affiliation(s)
- Yara El dessouky
- grid.440881.10000 0004 0576 5483Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt ,grid.440881.10000 0004 0576 5483Center for Genomics, Helmy Institute for Medical Sciences, Zewail City of Science and Technology, Giza, Egypt
| | - Salma W. Elsayed
- grid.440881.10000 0004 0576 5483Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt ,grid.440881.10000 0004 0576 5483Center for Genomics, Helmy Institute for Medical Sciences, Zewail City of Science and Technology, Giza, Egypt ,grid.7269.a0000 0004 0621 1570Department of Microbiology and Immunology, Faculty of Pharmacy, Ain Shams University, Cairo, Egypt
| | - Nehal Adel Abdelsalam
- grid.440881.10000 0004 0576 5483Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt ,grid.440881.10000 0004 0576 5483Center for Genomics, Helmy Institute for Medical Sciences, Zewail City of Science and Technology, Giza, Egypt ,grid.7776.10000 0004 0639 9286Department of Microbiology and Immunology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Nehal A. Saif
- grid.440881.10000 0004 0576 5483Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt ,grid.440881.10000 0004 0576 5483Center for Genomics, Helmy Institute for Medical Sciences, Zewail City of Science and Technology, Giza, Egypt
| | - Avelino Álvarez-Ordóñez
- grid.4807.b0000 0001 2187 3167Department of Food Hygiene and Technology and Institute of Food Science and Technology, Universidad de León, León, Spain
| | - Mohamed Elhadidy
- grid.440881.10000 0004 0576 5483Biomedical Sciences Program, University of Science and Technology, Zewail City of Science and Technology, Giza, Egypt ,grid.440881.10000 0004 0576 5483Center for Genomics, Helmy Institute for Medical Sciences, Zewail City of Science and Technology, Giza, Egypt ,grid.10251.370000000103426662Department of Bacteriology, Mycology and Immunology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
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Giaouris E. Relevance and Importance of Biofilms in the Resistance and Spreading of Campylobacter spp. Within the Food Chain. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022. [DOI: 10.1007/5584_2022_749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Johansson C, Kampmann C, Nilsson A, Dicksved J, Engstrand L, Rautelin H. Genomic and Phenotypic Characteristics in Geographically Separated Clinical Campylobacter jejuni ST353CC Isolates. Microorganisms 2021; 9:2540. [PMID: 34946141 PMCID: PMC8709058 DOI: 10.3390/microorganisms9122540] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 11/25/2021] [Accepted: 12/02/2021] [Indexed: 11/16/2022] Open
Abstract
Campylobacter jejuni fecal isolates of eight international travelers, 5 of which had traveled to Ecuador and 3 to Bangladesh, were characterized, and the possible relationship between bacterial traits and clinical symptoms was further analyzed. All eight isolates belonged to the same Multi-Locus Sequence Type clonal complex (ST353CC). The three isolates from Bangladesh were all of the same sequence type (ST-9438), and when compared to isolates of various other sequence types, they had a larger quantity of unique genetic content, higher expression levels of some putative virulence genes involved in adhesion and invasion (flpA, ciaB and iamA), and showed higher adhesion levels to human HT-29 colon cancer cells in an in vitro infection model. However, in contrast to the seemingly higher pathogenic potential of these bacterial isolates, travelers infected with the ST-9438 isolates had no or only very mild symptoms, whereas the other individuals, whose bacterial isolates seemed to have less pathogenic potential, generally reported severe symptoms. When studying the 16S rRNA gene-based fecal microbiota in samples collected prior to travel, there was an individual variation in the relative abundance of the three major bacterial phyla Actinobacteria, Bacteroidetes and Firmicutes, but there were no associations between composition and diversity of microbiota and development of severe symptoms from the infection. It remains to be confirmed by larger studies whether an individual's characteristics such as gut microbiota, might be related to the severity of symptoms in Campylobacter infections.
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Affiliation(s)
- Cecilia Johansson
- Clinical Microbiology, Department of Medical Sciences, Uppsala University, SE-75185 Uppsala, Sweden; (C.J.); (C.K.); (A.N.)
| | - Christian Kampmann
- Clinical Microbiology, Department of Medical Sciences, Uppsala University, SE-75185 Uppsala, Sweden; (C.J.); (C.K.); (A.N.)
| | - Anna Nilsson
- Clinical Microbiology, Department of Medical Sciences, Uppsala University, SE-75185 Uppsala, Sweden; (C.J.); (C.K.); (A.N.)
| | - Johan Dicksved
- Department of Animal Nutrition and Management, Swedish University of Agricultural Sciences, SE-75007 Uppsala, Sweden;
| | - Lars Engstrand
- Centre for Translational Microbiome Research, Department of Microbiology, Tumor and Cell Biology, Karolinska Institute, SE-17177 Stockholm, Sweden;
| | - Hilpi Rautelin
- Clinical Microbiology, Department of Medical Sciences, Uppsala University, SE-75185 Uppsala, Sweden; (C.J.); (C.K.); (A.N.)
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