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Stevens MJA, Horlbog JA, Diethelm A, Stephan R, Nüesch-Inderbinen M. Characteristics and comparative genome analysis of Yersinia enterocolitica and related species associated with human infections in Switzerland 2019-2023. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2024; 123:105652. [PMID: 39103026 DOI: 10.1016/j.meegid.2024.105652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2024] [Revised: 07/28/2024] [Accepted: 08/01/2024] [Indexed: 08/07/2024]
Abstract
PURPOSE We aimed to characterise Yersinia enterocolitica from human clinical specimens in Switzerland using epidemiological, microbiological and whole-genome sequencing (WGS) data. METHODS Isolates (n = 149) were collected between January 2019 and December 2023. Epidemiological data was noted and strains were characterized by biochemical and serological typing, antimicrobial susceptibility testing (AST), and WGS-based analysis. RESULTS Most of the isolates (86%) were from stool specimens and 52% were from male patients. The patients' median age was 28 years (range < 1-94 years). Typing assigned the isolates to bioserotype 4/O:3 (44%), biotype 1A (34%), bioserotype 2/O:9 (21%), and bioserotype 3/O:3 (1%). WGS identified Y. enterocolitica (n = 147), Y. alsatica (n = 1) and Y. proxima (n = 1). Seven isolates were multidrug resistant (MDR) and harboured plasmid pAB829 carrying aph(3″)-Ib, aph(6)-Id, and tet(Y) (n = 1), pAC120 carrying aph(6)-Id and tet(A) (n = 2), or a 12.6 kb Tn2670-like transposon containing catA1, aadA12, sul1, and qacEΔ1 (n = 4). Virulence factors (VFs) included ail (n = 99), invB, (n = 145), ystA (n = 99), ystB (n = 48) and pYV-associated VFs (n = 93). MLST and cgMLST analysis showed that BT 1A strains consisted of several STs and were highly diverse, whereas BT 2/O:9 strains were all ST12 and clustered closely, and BT 4/O:3 strains mostly belonged to ST18 but were more diverse. SNP analysis revealed two highly clonal BT 4/O:3 subpopulations with wide spatio-temporal distribution. CONCLUSIONS Y. enterocolitica BT 1A, BT 2/O:9 and BT 4/O:3 are frequently associated with human yersiniosis in Switzerland. WGS-based subtyping of Y. enterocolitica is a powerful tool to explore the genetic diversity and the pathogenic potential of human isolates.
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Affiliation(s)
- Marc J A Stevens
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
| | - Jule Anna Horlbog
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland; Swiss National Reference Centre for Enteropathogenic Bacteria and Listeria, University of Zurich, Zurich, Switzerland
| | - Andrea Diethelm
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland; Swiss National Reference Centre for Enteropathogenic Bacteria and Listeria, University of Zurich, Zurich, Switzerland
| | - Roger Stephan
- Institute for Food Safety and Hygiene, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland.
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Simola M, Hallanvuo S, Henttonen H, Huitu O, Niemimaa J, Rossow H, Seppä-Lassila L, Ranta J. Small mammals as carriers of zoonotic bacteria on pig and cattle farms - Prevalence and risk of exposure in an integrative approach. Prev Vet Med 2024; 229:106228. [PMID: 38850871 DOI: 10.1016/j.prevetmed.2024.106228] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Revised: 05/02/2024] [Accepted: 05/12/2024] [Indexed: 06/10/2024]
Abstract
To prevent foodborne infections from pigs and cattle, the whole food chain must act to minimize the contamination of products, including biosecurity measures which prevent infections via feed and the environment in production farms. Rodents and other small mammals can be reservoirs of and key vectors for transmitting zoonotic bacteria and viruses to farm animals, through direct contact but more often through environmental contamination. In line with One Health concept, we integrated results from a sampling study of small mammals in farm environments and data from a capture-recapture experiment into a probabilistic model which quantifies the degree of environmental exposure of zoonotic bacteria by small mammals to farm premises. We investigated more than 1200 small mammals trapped in and around 38 swine and cattle farm premises in Finland in 2017/2018. Regardless of the farm type, the most common species caught were the yellow-necked mouse (Apodemus flavicollis), bank vole (Clethrionomys glareolus), and house mouse (Mus musculus). Of 554 intestine samples (each pooled from 1 to 10 individuals), 33% were positive for Campylobacter jejuni. Yersinia enterocolitica was detected in 8% of the pooled samples, on 21/38 farm premises. Findings of Salmonella and the Shiga-toxin producing Escherichia coli (STEC) were rare: the pathogens were detected in only single samples from four and six farm premises, respectively. The prevalence of Campylobacter, Salmonella, Yersinia and STEC in small mammal populations was estimated as 26%/13%, 1%/0%, 2%/3%, 1%/1%, respectively, in 2017/2018. The exposure probability within the experimental period of four weeks on farms was 17-60% for Campylobacter and 0-3% for Salmonella. The quantitative model is readily applicable to similar integrative studies. Our results indicate that small mammals increase the risk of exposure to zoonotic bacteria in animal production farms, thus increasing risks also for livestock and human health.
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Affiliation(s)
| | | | | | - Otso Huitu
- Natural Resources Institute Finland, Finland
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Shafiee D, Salpynov Z, Gusmanov A, Khuanbai Y, Mukhatayev Z, Kunz J. Enteric Infection-Associated Reactive Arthritis: A Systematic Review and Meta-Analysis. J Clin Med 2024; 13:3433. [PMID: 38929962 PMCID: PMC11205162 DOI: 10.3390/jcm13123433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2024] [Revised: 05/22/2024] [Accepted: 05/24/2024] [Indexed: 06/28/2024] Open
Abstract
Background. The objective of this systematic review and meta-analysis was to estimate the proportions of individuals infected with Campylobacter, Escherichia, Salmonella, Shigella, or Yersinia who develop reactive arthritis. Methods. A systematic review was conducted, encompassing English-language articles published before January 2024, sourced from the Embase, PubMed, Scopus, and Web of Science databases. This review included observational studies that reported the occurrence of reactive arthritis (ReA) among patients with Campylobacter, Escherichia, Salmonella, Shigella, or Yersinia infections. Data extraction was carried out independently by two reviewers. Subsequently, a random-effects meta-analysis was performed, with heterogeneity assessed using the I2 value. Additionally, meta-regression was employed to investigate the potential influence of study-level variables on the observed heterogeneity. Results. A total of 87 studies were identified; 23 reported on ReA development after Campylobacter infection, 7 reported on ReA after Escherichia infection, 30 reported ReA onset after salmonellosis, 14 reported ReA after shigellosis, and 13 reported ReA after Yersinia infection. The proportion of Campylobacter patients who developed ReA was 0.03 (95% CI [0.01, 0.06], I2 = 97.62%); the proportion of Escherichia patients who developed ReA was 0.01 (95% CI [0.00, 0.06], I2 = 92.78%); the proportion of Salmonella patients was 0.04 (95% CI [0.02, 0.08], I2 = 97.67%); the proportion of Shigella patients was 0.01 (95% CI [0.01, 0.03], I2 = 90.64%); and the proportion of Yersinia patients who developed ReA was 0.05 (95% CI [0.02, 0.13], I2 = 96%). Conclusion. A significant proportion of Salmonella, Shigella, and Yersinia cases resulted in ReA. Nonetheless, it is important to interpret the findings cautiously due to the substantial heterogeneity observed between studies.
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Affiliation(s)
- Darya Shafiee
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Astana 020000, Kazakhstan; (D.S.); (Z.S.); (A.G.); (Z.M.)
| | - Zhandos Salpynov
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Astana 020000, Kazakhstan; (D.S.); (Z.S.); (A.G.); (Z.M.)
| | - Arnur Gusmanov
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Astana 020000, Kazakhstan; (D.S.); (Z.S.); (A.G.); (Z.M.)
| | | | - Zhussipbek Mukhatayev
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Astana 020000, Kazakhstan; (D.S.); (Z.S.); (A.G.); (Z.M.)
- National Laboratory Astana, Astana 020000, Kazakhstan;
| | - Jeannette Kunz
- Department of Biomedical Sciences, School of Medicine, Nazarbayev University, Astana 020000, Kazakhstan; (D.S.); (Z.S.); (A.G.); (Z.M.)
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Palau R, Bloomfield SJ, Jenkins C, Greig DR, Jorgensen F, Mather AE. Yersinia enterocolitica biovar 1A: An underappreciated potential pathogen in the food chain. Int J Food Microbiol 2024; 412:110554. [PMID: 38176093 DOI: 10.1016/j.ijfoodmicro.2023.110554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 12/05/2023] [Accepted: 12/21/2023] [Indexed: 01/06/2024]
Abstract
Yersinia enterocolitica is an underreported cause of foodborne gastroenteritis. Little is known of the diversity of Y. enterocolitica isolated from food and which food commodities contribute to human disease. In this study, Y. enterocolitica was isolated from 37/50 raw chicken, 8/10 pork, 8/10 salmon and 1/10 leafy green samples collected at retail in the UK. Up to 10 presumptive Y. enterocolitica isolates per positive sample underwent whole genome sequencing (WGS) and were compared with publicly available genomes. In total, 207 Y. enterocolitica isolates were analyzed and belonged to 38 sequence types (STs). Up to five STs of Y. enterocolitica were isolated from individual food samples and isolates belonging to the same sample and ST differed by 0-74 single nucleotide polymorphisms (SNPs). Biotype was predicted for 205 (99 %) genomes that all belonged to biotype 1A, previously described as non-pathogenic. However, around half (51 %) of food samples contained isolates belonging to the same ST as previously isolated from UK human cases. The closest human-derived isolates shared between 17 and 7978 single nucleotide polymorphisms (SNPs) with the food isolates. Extensive food surveillance is required to determine what food sources are responsible for Y. enterocolitica infections and to re-examine the role of biotype 1A as a human pathogen.
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Affiliation(s)
- Raphaёlle Palau
- Quadram Institute Bioscience, Norwich Research Park, Norwich, United Kingdom
| | - Samuel J Bloomfield
- Quadram Institute Bioscience, Norwich Research Park, Norwich, United Kingdom.
| | - Claire Jenkins
- United Kingdom Health Security Agency, London, United Kingdom
| | - David R Greig
- United Kingdom Health Security Agency, London, United Kingdom
| | | | - Alison E Mather
- Quadram Institute Bioscience, Norwich Research Park, Norwich, United Kingdom; University of East Anglia, Norwich, United Kingdom.
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Hashimoto T, Yahiro T, Takakura S, Khan S, Kimitsuki K, Hiramatsu K, Nishizono A. Thyroid abscess associated with thyrotoxicosis caused by Yersinia enterocolitica subsp. palearctica in a patient with follicular adenoma of the thyroid gland. BMC Infect Dis 2024; 24:59. [PMID: 38191305 PMCID: PMC10773048 DOI: 10.1186/s12879-024-08974-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 01/01/2024] [Indexed: 01/10/2024] Open
Abstract
BACKGROUND Yersinia enterocolitica is a gram-negative zoonotic bacterial pathogen that is typically transmitted via the fecal-oral route. The most common clinical manifestation of a Y. enterocolitica infection is self-limited gastroenteritis. Although various extraintestinal manifestations of Y. enterocolitica infection have been reported, there are no reports of thyroid abscesses. CASE PRESENTATION An 89-year-old Japanese man with follicular adenoma of the left thyroid gland was admitted to our hospital with a 2-day history of fever and left neck pain. Laboratory tests revealed low levels of thyroid stimulating hormone and elevated levels of free thyroxine 4. Contrast-enhanced computed tomography showed low-attenuation areas with peripheral enhancement in the left thyroid gland. He was diagnosed with thyroid abscess and thyrotoxicosis, and treatment with intravenous piperacillin-tazobactam was initiated after collecting blood, drainage fluid, and stool samples. The isolated Gram-negative rod bacteria from blood and drainage fluid cultures was confirmed to be Y. enterocolitica. He was diagnosed with thyroid abscess and thyrotoxicosis due to be Y. enterocolitica subsp. palearctica. The piperacillin-tazobactam was replaced with levofloxacin. CONCLUSION We report a novel case of a thyroid abscess associated with thyrotoxicosis caused by Y. enterocolitica subsp. palearctica in a patient with a follicular thyroid adenoma.
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Affiliation(s)
- Takehiro Hashimoto
- Infection Control Center, Oita University Hospital, Oita, Japan.
- Department of Microbiology, Oita University Faculty of Medicine, Oita, Japan.
| | - Takaaki Yahiro
- Department of Microbiology, Oita University Faculty of Medicine, Oita, Japan
- Department of Advanced Medical Sciences, Oita University Faculty of Medicine, Oita, Japan
- Research Center for Global and Local Infectious Diseases, Oita, Japan
| | - Sonoka Takakura
- Department of Otolaryngology and Head & Neck Surgery, Oita University Faculty of Medicine, Oita, Japan
| | - Sakirul Khan
- Department of Microbiology, Oita University Faculty of Medicine, Oita, Japan
| | - Kazunori Kimitsuki
- Department of Microbiology, Oita University Faculty of Medicine, Oita, Japan
| | - Kazufumi Hiramatsu
- Infection Control Center, Oita University Hospital, Oita, Japan
- Research Center for Global and Local Infectious Diseases, Oita, Japan
| | - Akira Nishizono
- Department of Microbiology, Oita University Faculty of Medicine, Oita, Japan
- Research Center for Global and Local Infectious Diseases, Oita, Japan
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Kim Y, Ban GH, Hong YW, Jeong KC, Bae D, Kim SA. Bacterial profile of pork from production to retail based on high-throughput sequencing. Food Res Int 2024; 176:113745. [PMID: 38163697 DOI: 10.1016/j.foodres.2023.113745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/14/2023] [Accepted: 11/22/2023] [Indexed: 01/03/2024]
Abstract
Pork is a common vehicle for foodborne pathogens, including Salmonella spp. and Yersinia enterocolitica. Cross-contamination can occur at any stage of the pork production chain, from farm to market. In the present study, high-throughput sequencing was used to characterize bacterial profiles and track their changes along the whole supply chain. Tracked meat samples (pig on the farm, carcass in the slaughterhouse, unprocessed carcass and processed meat in the processing plant, and fresh pork at the local retail stores) and their associated environmental samples (e.g., water, floor, feed, feces, and workers' gloves) were collected from sequential stages (n = 96) and subjected to 16S rRNA metataxonomic analyses. At the farm, a total of 652 genera and 146 exclusive genera were identified in animal and environmental samples (pig, drain, floor, fan, and feces). Based on beta diversity analysis, it was demonstrated that the microbial composition of animal samples collected at the same processing step is similar to that of environmental samples (e.g., drain, fan, feces, feed, floor, gloves, knives, tables, and water). All animal and environmental samples from the slaughterhouse were dominated by Acinetobacter (55.37 %). At the processing plant, belly meat and neck meat samples were dominated by Psychrobacter (55.49 %). At the retail level, key bacterial players, which are potential problematic bacteria and important members with a high relative abundance in the samples, included Acinetobacter (8.13 %), Pseudomonas (6.27 %), and Staphylococcus (2.13 %). In addition, the number of confirmed genera varied by more than twice that identified in the processing plant. Source tracking was performed to identify bacterial contamination routes in pork processing. Animal samples, including the processing plant's carcass, the pig from the farm, and the unwashed carcass from the slaughterhouse (77.45 %), along with the processing plant's gloves (5.71 %), were the primary bacterial sources in the final product. The present study provides in-depth knowledge about the bacterial players and contamination points within the pork production chain. Effective control measures are needed to control pathogens and major pollutants at each stage of pork production to improve food safety.
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Affiliation(s)
- Yejin Kim
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul, South Korea
| | - Ga-Hee Ban
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul, South Korea
| | - Ye Won Hong
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul, South Korea
| | | | - Dongryeoul Bae
- Division of Research and Development, TracoWorld Ltd., Gwangmyeong, South Korea
| | - Sun Ae Kim
- Department of Food Science and Biotechnology, Ewha Womans University, Seoul, South Korea.
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Wu F, Ren F, Xie X, Meng J, Wu X. The implication of viability and pathogenicity by truncated lipopolysaccharide in Yersinia enterocolitica. Appl Microbiol Biotechnol 2023; 107:7165-7180. [PMID: 37728625 DOI: 10.1007/s00253-023-12785-w] [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: 06/15/2023] [Revised: 09/05/2023] [Accepted: 09/07/2023] [Indexed: 09/21/2023]
Abstract
The fast envelope stress responses play a key role in the transmission and pathogenesis of Yersinia enterocolitica, one of the most common foodborne pathogens. Our previous study showed that deletion of the waaF gene, essential for the biosynthesis of lipopolysaccharide (LPS) core polysaccharides, led to the formation of a truncated LPS structure and induced cell envelope stress. This envelope stress may disturb the intracellular signal transduction, thereby affecting the physiological functions of Y. enterocolitica. In this study, truncated LPS caused by waaF deletion was used as a model of envelope stress in Y. enterocolitica. We investigated the mechanisms of envelope stress responses and the cellular functions affected by truncated LPS. Transcriptome analysis and phenotypic validation showed that LPS truncation reduced flagellar assembly, bacterial chemotaxis, and inositol phosphate metabolism, presenting lower pathogenicity and viability both in vivo and in vitro environments. Further 4D label-free phosphorylation analysis confirmed that truncated LPS perturbed multiple intracellular signal transduction pathways. Specifically, a comprehensive discussion was conducted on the mechanisms by which chemotactic signal transduction and Rcs system contribute to the inhibition of chemotaxis. Finally, the pathogenicity of Y. enterocolitica with truncated LPS was evaluated in vitro using IPEC-J2 cells as models, and it was found that truncated LPS exhibited reduced adhesion, invasion, and toxicity of Y. enterocolitica to IPEC-J2 cells. Our research provides an understanding of LPS in the regulation of Y. enterocolitica viability and pathogenicity and, thus, opening new avenues to develop novel food safety strategies or drugs to prevent and control Y. enterocolitica infections. KEY POINTS: • Truncated LPS reduces flagellar assembly, chemotaxis, and inositol phosphate metabolism in Y. enterocolitica. • Truncated LPS reduces adhesion, invasion, and toxicity of Y. enterocolitica to IPEC-J2 cells. • Truncated LPS regulates intracellular signal transduction of Y. enterocolitica.
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Affiliation(s)
- Fan Wu
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Bioengineering, Tianjin University of Science and Technology, Tianjin, 300457, China
| | - Fengyun Ren
- Laboratory of Nutrient Resources and Synthetic Biology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Science, Tianjin, 300308, China
| | - Xixian Xie
- Key Laboratory of Industrial Fermentation Microbiology, Ministry of Education, College of Bioengineering, Tianjin University of Science and Technology, Tianjin, 300457, China.
| | - Jiao Meng
- Laboratory of Nutrient Resources and Synthetic Biology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Science, Tianjin, 300308, China.
| | - Xin Wu
- Laboratory of Nutrient Resources and Synthetic Biology, Tianjin Institute of Industrial Biotechnology, Chinese Academy of Science, Tianjin, 300308, China
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Huang S, Li Y, Hong C, Jin Y, Li S, Xu X, Xia Y, Zhang L, Lou Y, Guan W. Whole-genome sequencing-based analysis of antimicrobial resistance, virulence factors, and genetic diversity in Yersinia isolated in Wenzhou, China 2020. Mol Phylogenet Evol 2023; 188:107903. [PMID: 37574177 DOI: 10.1016/j.ympev.2023.107903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Revised: 07/20/2023] [Accepted: 08/10/2023] [Indexed: 08/15/2023]
Abstract
Yersinia spp. vary significantly in their ability to cause diseases that threaten public health. Their pathogenicity is frequently associated with increasing antimicrobial resistance (AMR) and various virulence factors. The aim of the study was to investigate the AMR genes, virulence factors, and genetic diversity of Yersinia strains isolated from meats and fish in Wenzhou in 2020 by using whole-genome sequencing (WGS). A total of 50 isolates were collected. The phylogenetic relationships among the Yersinia species were also analyzed using multilocus sequence typing (MLST), core genome multi-locus sequence typing (cgMLST), and single nucleotide polymorphism (SNP) analysis. According to the results, all the strains could be classified into five species, with most isolated from beef, followed by poultry, pork, and fish. AMR genes were identified in 23 strains. And the qnrD1 genes were all located in the Col3M plasmid. Virulence genes, such as yaxA, ystB, pla, and yplA, were also found in the 15 Y. enterocolitica strains. And this study also found the presence of icm/dot type IVB-related genes in one Yersinia massiliensis isolate. MLST analysis identified 43 sequence types (STs), 19 of which were newly detected in Yersinia. Moreover, cgMLST analysis revealed that no dense genotype clusters were formed (cgMLST 5341, 5344, 5346-5350, 5353-5390). Instead, the strains appeared to be dispersed over large distances, except when multiple isolates shared the same ST. Isolates Y4 and Y26 were closely related to strains originating from South Korea and Denmark. This study showed considerable diversity in Yersinia spp. isolated from local areas (Wenzhou City). The data generated in our study may enrich the molecular traceability database of Yersinia and provide a basis for the development of more effective antipathogen control strategies.
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Affiliation(s)
- Shaojie Huang
- Wenzhou Key Laboratory of Sanitary Microbiology, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China.
| | - Yi Li
- Wenzhou Center for Disease Control and Prevention, Wenzhou, China.
| | - Chengji Hong
- Wenzhou Center for Disease Control and Prevention, Wenzhou, China.
| | - Yafang Jin
- Wenzhou Key Laboratory of Sanitary Microbiology, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China.
| | - Shengkai Li
- Wenzhou Key Laboratory of Sanitary Microbiology, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China.
| | - Xuelian Xu
- Yuhang Center for Disease Control and Prevention, Yuhang, China.
| | - Yanmei Xia
- Wenzhou Key Laboratory of Sanitary Microbiology, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China.
| | - Leyi Zhang
- Wenzhou Center for Disease Control and Prevention, Wenzhou, China.
| | - Yongliang Lou
- Wenzhou Key Laboratory of Sanitary Microbiology, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China.
| | - Wanchun Guan
- Wenzhou Key Laboratory of Sanitary Microbiology, School of Laboratory Medicine and Life Sciences, Wenzhou Medical University, Wenzhou, China.
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Łada P, Kończyk-Kmiecik K, Bancerz-Kisiel A. Isolation, characterization and antimicrobial resistance of Yersinia enterocolitica from Polish cattle and their carcasses. BMC Vet Res 2023; 19:143. [PMID: 37670289 PMCID: PMC10478351 DOI: 10.1186/s12917-023-03700-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 08/21/2023] [Indexed: 09/07/2023] Open
Abstract
BACKGROUND Yersinia enterocolitica is a heterogeneous bacterial species that has been divided into six biotypes and more than 70 serotypes. Each year, the European Food Safety Authority classifies yersiniosis caused by Y. enterocolitica as one of the most important zoonotic diseases. The prevalence of Y. enterocolitica in cattle has not been thoroughly analyzed in Poland, and beef and bovine carcasses contaminated with antimicrobial resistant Y. enterocolitica pose a health risk for both, farm workers and consumers. Therefore, the aim of this study was to evaluate the prevalence of Y. enterocolitica in cattle and to determine the antimicrobial susceptibility of the isolated strains. RESULTS A total of 1020 samples were analyzed, including 660 rectal swabs collected from live cattle and 360 swabs from cold-stored beef carcasses. The results of this study indicate that Y. enterocolitica was isolated from three of the 15 examined cattle herds and the prevalence within these herds ranged from 0% to nearly 32%. Y. enterocolitica was isolated from 14.7% of the examined heifers, 7.4% of calves and 5.5% of adult cows. More than 65% of the strains were isolated from cold enrichment. The strains isolated from live cattle tested positive for the ystB gene, while ail and ystA genes were not found. Most of the isolated strains belonged to bioserotype 1A/NT. The majority of the isolated strains were resistant to ampicillin, cefalexin and amoxicillin with clavulanic acid, however these are expected phenotypes for Y. enterocolitica. CONCLUSIONS The results of this study indicate that Y. enterocolitica is present in cattle herds in Poland. The strains isolated from live cattle were ystB-positive, most of them belonged to bioserotype 1A/NT. The prevalence of Y. enterocolitica strains was generally low in cold-stored beef carcasses.
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Affiliation(s)
- Piotr Łada
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 2 St, 10-719 Olsztyn, Poland
| | - Klaudia Kończyk-Kmiecik
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 2 St, 10-719 Olsztyn, Poland
| | - Agata Bancerz-Kisiel
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 2 St, 10-719 Olsztyn, Poland
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Shi Z, Guan N, Sun W, Sun T, Niu L, Li J, Ge J. Protective Effect of Levilactobacillus brevis Against Yersinia enterocolitica Infection in Mouse Model via Regulating MAPK and NF-κB Pathway. Probiotics Antimicrob Proteins 2022; 14:830-844. [PMID: 35665480 DOI: 10.1007/s12602-022-09957-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/24/2022] [Indexed: 11/25/2022]
Abstract
Although the use of the probiotic bacterium Lactobacillus for the treatment and prevention of diseases caused by various pathogenic bacteria has received increasing attention in recent years, its mechanism remains incompletely understood. Levilactobacillus brevis 23017 is a select probiotic strain that can regulate the immunity of host animals and resist pathogen infections. In this study, we analyzed the effect of L. brevis 23017 on Yersinia enterocolitica intestinal infection in a BALB/c mouse model and discussed its underlying mechanism. We found that in the mouse model, L. brevis 23017 prevented the damage of villi in the small intestine and decelerated weight loss after Y. enterocolitica infection. Moreover, we focused on the mechanism of the protective effect of L. brevis 23017 from the perspective of the damage and repair of the intestinal mucosal barrier. We observed that L. brevis 23017 maintained a normal mucosal barrier by altering the expression of tight junction proteins. Notably, our results indicated that L. brevis 23017 effectively promoted the secretion of the intestine-specific secretory immunoglobulin A (SIgA) by B cells via regulating cytokines and oxidative damage levels. This mechanism may be the reason for its protective role in Y. enterocolitica infection. In addition, our results demonstrated that the mechanism of L. brevis 23017 was related to antibacterial colonization and inflammation regulation and closely related to antioxidative stress and SIgA promotion. The protective effect of L. brevis 23017 on mice was related to the signaling pathway protein p38 MAPK and the phosphorylation levels of NF-κB. Our study provided novel insight into the mechanism of Lactobacillus against pathogenic bacterial infections. Such insight is of great importance for the prevention, diagnosis, and treatment of related diseases.
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Affiliation(s)
- Ziqi Shi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Naiyu Guan
- Key Laboratory of Zoonoses Research, Ministry of Education, Institute of Zoonosis, College of Veterinary Medicine, Jilin University, Changchun, 130062, China
| | - Weijiao Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Tianzhi Sun
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Lingdi Niu
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Jinyu Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China
| | - Junwei Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, China.
- Northeastern Science Inspection Station, China Ministry of Agriculture Key Laboratory of Animal Pathogen Biology, Harbin, 150030, China.
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11
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Platt-Samoraj A. Toxigenic Properties of Yersinia enterocolitica Biotype 1A. Toxins (Basel) 2022; 14:118. [PMID: 35202145 PMCID: PMC8877543 DOI: 10.3390/toxins14020118] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 01/31/2022] [Accepted: 02/03/2022] [Indexed: 01/27/2023] Open
Abstract
Yersinia (Y.) enterocolitica, an etiological agent of yersiniosis, is a bacterium whose pathogenicity is determined, among other things, by its ability to produce toxins. The aim of this article was to present the most important toxins that are produced by biotype 1A strains of Y. enterocolitica, and to discuss their role in the pathogenesis of yersiniosis. Y. enterocolitica biotype 1A strains are able to synthesize variants of thermostable YST enterotoxin and play a key role in the pathogenesis of yersiniosis. Biotype 1A strains of Y. enterocolitica also produce Y. enterocolitica pore-forming toxins, YaxA and YaxB. These toxins form pores in the cell membrane of host target cells and cause osmotic lysis, which is of particular importance in systemic infections. Insecticidal toxin complex genes have been detected in some clinical biotype 1A strains of Y. enterocolitica. However, their role has not yet been fully elucidated. Strains belonging to biotype 1A have long been considered non-pathogenic. This view is beginning to change due to the emerging knowledge about the toxigenic potential of these bacteria and their ability to overcome the defense barriers of the host organism.
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Affiliation(s)
- Aleksandra Platt-Samoraj
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, 10-718 Olsztyn, Poland
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12
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Wang J, Liu M, Wang H, Wu Q, Ding Y, Xu T, Ma G, Zhong Y, Zhang J, Chen M, Xue L, Ye Q, Zeng H, Yang X, Yang R. Occurrence, molecular characterization, and antimicrobial susceptibility of Yersinia enterocolitica isolated from retail food samples in China. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111876] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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13
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Global Prevalence of Yersinia enterocolitica in Cases of Gastroenteritis: A Systematic Review and Meta-Analysis. Int J Microbiol 2021; 2021:1499869. [PMID: 34512763 PMCID: PMC8433020 DOI: 10.1155/2021/1499869] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 08/15/2021] [Accepted: 08/23/2021] [Indexed: 11/18/2022] Open
Abstract
The prevalence of Yersinia enterocolitica in gastroenteritis is often underestimated. It relates considerably to morbidity and medical expenses around the world. Understanding the cause of gastroenteritis leads to making the appropriate treatment decisions. We systematically searched PubMed, Science Direct, Embase, and Scopus to identify all published studies between Jan. 1, 2000, and Dec. 31, 2019, to assess the prevalence of Y. enterocolitica in gastroenteritis patients. A total of 5039 articles were identified that lead to the extraction of data from 47 of them. The pooled prevalence of Y. enterocolitica in cases of gastroenteritis was estimated as 1.97% (1.32–2.74%) in the culture method and 2.41% (1.07–4.22%) in the molecular method. Among the biotypes of Y. enterocolitica, 1A (62.48%) and 1B (2.14%) had the most and least prevalence, respectively. Serotype O3 Y. enterocolitica with 39.46% had the highest and O5,27 with 0.0% had the least prevalence in gastroenteritis cases. In conclusion, the findings of this systematic review show that Y. enterocolitica is prevalent in gastroenteritis in all age groups. Serotypes O3 and O9 of Y. enterocolitica had the highest prevalence and O5,27 had the least prevalence in diarrheal patients. The prevalence of Y. enterocolitica was similar in both gender and different seasons. It should be noted that to determine the role of the organism, more studies are needed especially in food-borne diseases.
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14
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Bancerz-Kisiel A, Lipczyńska-Ilczuk K. Evaluation of the Correlation between the mRNA Expression Levels of ystA and ymoA Genes in Y. enterocolitica Strains with Different Enterotoxic Properties. Pathogens 2021; 10:pathogens10091136. [PMID: 34578168 PMCID: PMC8467024 DOI: 10.3390/pathogens10091136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 08/30/2021] [Accepted: 09/02/2021] [Indexed: 12/01/2022] Open
Abstract
Yersinia enterocolitica is one of the main causative agents of human diarrhea. Pigs are a reservoir and the most common source of infection for humans. The aim of this study was to analyze the expression of ystA and ymoA genes in Y. enterocolitica strains with different enterotoxic properties, isolated from humans and pigs. The experiment involved two groups of Y. enterocolitica strains producing and not producing enterotoxin YstA, which were isolated from humans and pigs. All strains were ystA- and ymoA-positive. The expression of ystA and ymoA genes was analyzed by quantitative real-time PCR (qPCR). The relative expression level of the ystA gene was significantly higher than the expression level of the ymoA gene in Y. enterocolitica strains isolated from humans with clinical symptoms of yersiniosis. In other strains, a significant decrease in ystA gene transcription was observed, and the relative expression level of the ymoA gene was significantly higher than the expression level of the ystA gene. Statistically significant differences were not observed in either group of strains isolated from pigs. The results of our study revealed a correlation between mRNA expression levels of ystA and ymoA genes in Y. enterocolitica strains isolated from humans.
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15
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Rivas L, Strydom H, Paine S, Wang J, Wright J. Yersiniosis in New Zealand. Pathogens 2021; 10:191. [PMID: 33578727 PMCID: PMC7916520 DOI: 10.3390/pathogens10020191] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/21/2021] [Accepted: 01/27/2021] [Indexed: 11/19/2022] Open
Abstract
The rate of yersiniosis in New Zealand (NZ) is high compared with other developed countries, and rates have been increasing over recent years. Typically, >99% of human cases in NZ are attributed to Yersinia enterocolitica (YE), although in 2014, a large outbreak of 220 cases was caused by Yersinia pseudotuberculosis. Up until 2012, the most common NZ strain was YE biotype 4. The emergent strain since this time is YE biotype 2/3 serotype O:9. The pathogenic potential of some YE biotypes remains unclear. Most human cases of yersiniosis are considered sporadic without an identifiable source. Key restrictions in previous investigations included insufficient sensitivity for the isolation of Yersinia spp. from foods, although foodborne transmission is the most likely route of infection. In NZ, YE has been isolated from a variety of sick and healthy domestic and farm animals but the pathways from zoonotic reservoir to human remain unproven. Whole-genome sequencing provides unprecedented discriminatory power for typing Yersinia and is now being applied to NZ epidemiological investigations. A "One-Health" approach is necessary to elucidate the routes of transmission of Yersinia and consequently inform targeted interventions for the prevention and management of yersiniosis in NZ.
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Affiliation(s)
- Lucia Rivas
- Christchurch Science Centre, Institute of Environmental Science and Research Limited, Ilam, Christchurch 8041, New Zealand;
| | - Hugo Strydom
- National Centre for Biosecurity and Infectious Disease, Institute of Environmental Science and Research Limited, Upper Hutt, Wellington 5018, New Zealand;
| | - Shevaun Paine
- Kenepuru Science Centre, Institute of Environmental Science and Research Limited, Porirua, Wellington 5022, New Zealand; (S.P.); (J.W.)
| | - Jing Wang
- Kenepuru Science Centre, Institute of Environmental Science and Research Limited, Porirua, Wellington 5022, New Zealand; (S.P.); (J.W.)
| | - Jackie Wright
- National Centre for Biosecurity and Infectious Disease, Institute of Environmental Science and Research Limited, Upper Hutt, Wellington 5018, New Zealand;
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16
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Morka K, Wałecka-Zacharska E, Schubert J, Dudek B, Woźniak-Biel A, Kuczkowski M, Wieliczko A, Bystroń J, Bania J, Bugla-Płoskońska G. Genetic Diversity and Distribution of Virulence-Associated Genes in Y. enterocolitica and Y. enterocolitica-Like Isolates from Humans and Animals in Poland. Pathogens 2021; 10:65. [PMID: 33450948 PMCID: PMC7828411 DOI: 10.3390/pathogens10010065] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 01/03/2021] [Accepted: 01/10/2021] [Indexed: 11/17/2022] Open
Abstract
Yersinia enterocolitica, widespread within domestic and wild-living animals, is a foodborne pathogen causing yersiniosis. The goal of this study was to assess a genetic similarity of Y. enterocolitica and Y. enterocolitica-like strains isolated from different hosts using Multiple Locus Variable-Number Tandem Repeat Analysis (MLVA) and Pulsed-Field Gel Electrophoresis (PFGE) methods, and analyze the prevalence of virulence genes using multiplex-Polymerase Chain Reaction (PCR) assays. Among 51 Yersinia sp. strains 20 virulotypes were determined. The most common virulence genes were ymoA, ureC, inv, myfA, and yst. Yersinia sp. strains had genes which may contribute to the bacterial invasion and colonization of the intestines as well as survival in serum. One wild boar Y. enterocolitica 1A strain possessed ail gene implying the possible pathogenicity of 1A biotype. Wild boar strains, represented mainly by 1A biotype, were not classified into the predominant Variable-Number Tandem Repeats (VNTR)/PFGE profile and virulotype. There was a clustering tendency among VNTR/PFGE profiles of pig origin, 4/O:3, and virulence profile. Pig and human strains formed the most related group, characterized by ~80% of genetic similarity what suggest the role of pigs as a potential source of infection for the pork consumers.
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Affiliation(s)
- Katarzyna Morka
- Department of Food Hygiene and Consumer Health Protection, Wrocław University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wrocław, Poland; (E.W.-Z.); (J.S.); (J.B.); (J.B.)
| | - Ewa Wałecka-Zacharska
- Department of Food Hygiene and Consumer Health Protection, Wrocław University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wrocław, Poland; (E.W.-Z.); (J.S.); (J.B.); (J.B.)
| | - Justyna Schubert
- Department of Food Hygiene and Consumer Health Protection, Wrocław University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wrocław, Poland; (E.W.-Z.); (J.S.); (J.B.); (J.B.)
| | - Bartłomiej Dudek
- Department of Microbiology, Institute of Genetics and Microbiology, Wroclaw University, S. Przybyszewskiego 63, 51-148 Wrocław, Poland;
| | - Anna Woźniak-Biel
- Department of Epizootiology and Clinic of Birds and Exotic Animals, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 45, 50-366 Wrocław, Poland; (A.W.-B.); (M.K.); (A.W.)
| | - Maciej Kuczkowski
- Department of Epizootiology and Clinic of Birds and Exotic Animals, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 45, 50-366 Wrocław, Poland; (A.W.-B.); (M.K.); (A.W.)
| | - Alina Wieliczko
- Department of Epizootiology and Clinic of Birds and Exotic Animals, Wrocław University of Environmental and Life Sciences, pl. Grunwaldzki 45, 50-366 Wrocław, Poland; (A.W.-B.); (M.K.); (A.W.)
| | - Jarosław Bystroń
- Department of Food Hygiene and Consumer Health Protection, Wrocław University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wrocław, Poland; (E.W.-Z.); (J.S.); (J.B.); (J.B.)
| | - Jacek Bania
- Department of Food Hygiene and Consumer Health Protection, Wrocław University of Environmental and Life Sciences, C. K. Norwida 31, 50-375 Wrocław, Poland; (E.W.-Z.); (J.S.); (J.B.); (J.B.)
| | - Gabriela Bugla-Płoskońska
- Department of Microbiology, Institute of Genetics and Microbiology, Wroclaw University, S. Przybyszewskiego 63, 51-148 Wrocław, Poland;
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17
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Rcs Phosphorelay Responses to Truncated Lipopolysaccharide-Induced Cell Envelope Stress in Yersinia enterocolitica. Molecules 2020; 25:molecules25235718. [PMID: 33287412 PMCID: PMC7730088 DOI: 10.3390/molecules25235718] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 11/28/2020] [Accepted: 11/30/2020] [Indexed: 01/22/2023] Open
Abstract
Lipopolysaccharide (LPS) is the major component of the outer membrane of Gram-negative bacteria, and its integrity is monitored by various stress response systems. Although the Rcs system is involved in the envelope stress response and regulates genes controlling numerous bacterial cell functions of Yersinia enterocolitica, whether it can sense the truncated LPS in Y. enterocolitica remains unclear. In this study, the deletion of the Y. enterocolitica waaF gene truncated the structure of LPS and produced a deep rough LPS. The truncated LPS increased the cell surface hydrophobicity and outer membrane permeability, generating cell envelope stress. The truncated LPS also directly exposed the smooth outer membrane to the external environment and attenuated the resistance to adverse conditions, such as impaired survival under polymyxin B and sodium dodecyl sulfate (SDS) exposure. Further phenotypic experiment and gene expression analysis indicated that the truncated LPS was correlated with the activation of the Rcs phosphorelay, thereby repressing cell motility and biofilm formation. Our findings highlight the importance of LPS integrity in maintaining membrane function and broaden the understanding of Rcs phosphorelay signaling in response to cell envelope stress, thus opening new avenues to develop effective antimicrobial agents for combating Y. enterocolitica infections.
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18
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Nguyen SV, Muthappa DM, Eshwar AK, Buckley JF, Murphy BP, Stephan R, Lehner A, Fanning S. Comparative genomic insights into Yersinia hibernica - a commonly misidentified Yersinia enterocolitica-like organism. Microb Genom 2020; 6:mgen000411. [PMID: 32701425 PMCID: PMC7643974 DOI: 10.1099/mgen.0.000411] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 07/07/2020] [Indexed: 11/18/2022] Open
Abstract
Food-associated outbreaks linked to enteropathogenic Yersinia enterocolitica are of concern to public health. Pigs and their meat are recognized risk factors for transmission of Y. enterocolitica. This study aimed to describe the comparative genomics of Y. enterocolitica along with a number of misclassified Yersinia isolates, now constituting the recently described Yersinia hibernica. The latter was originally cultured from an environmental sample taken at a pig slaughterhouse. Unique features were identified in the genome of Y. hibernica, including a novel integrative conjugative element (ICE), denoted as ICEYh-1 contained within a 255 kbp region of plasticity. In addition, a zebrafish embryo infection model was adapted and applied to assess the virulence potential among Yersinia isolates including Y. hibernica.
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Affiliation(s)
- Scott Van Nguyen
- UCD-Centre for Food Safety, School of Public Health, Physiotherapy & Sports Science, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
| | - Dechamma Mundanda Muthappa
- UCD-Centre for Food Safety, School of Public Health, Physiotherapy & Sports Science, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
| | - Athmanya K. Eshwar
- Institute for Food Safety and Hygiene, University of Zurich, Zurich, Switzerland
| | - James F. Buckley
- Veterinary Food Safety Laboratory, Cork County Council, Inniscarra, Co. Cork and Department of Microbiology, National University of Ireland, Cork, College Road, Cork, Ireland
| | - Brenda P. Murphy
- Veterinary Food Safety Laboratory, Cork County Council, Inniscarra, Co. Cork and Department of Microbiology, National University of Ireland, Cork, College Road, Cork, Ireland
| | - Roger Stephan
- Institute for Food Safety and Hygiene, University of Zurich, Zurich, Switzerland
| | - Angelika Lehner
- Institute for Food Safety and Hygiene, University of Zurich, Zurich, Switzerland
| | - Séamus Fanning
- UCD-Centre for Food Safety, School of Public Health, Physiotherapy & Sports Science, University College Dublin, Belfield, Dublin D04 N2E5, Ireland
- Institute for Global Food Security, Queen’s University Belfast, 19 Chlorine Gardens, Belfast BT9 5AG, UK
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19
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Meng J, Xu J, Chen J. The role of osmoregulated periplasmic glucans in the biofilm antibiotic resistance of Yersinia enterocolitica. Microb Pathog 2020; 147:104284. [PMID: 32492459 DOI: 10.1016/j.micpath.2020.104284] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2020] [Revised: 05/27/2020] [Accepted: 05/27/2020] [Indexed: 12/28/2022]
Abstract
The formation of biofilms by bacteria is of great significance because it involves many physiological changes that serve to protect the cells from various stresses. One of the best-known biofilm-specific properties of bacteria is that bacteria that grow in biofilms are generally more resistant to antibiotics than their planktonic counterparts. In a previous study, osmoregulated periplasmic glucans (OPGs), catalyzed by the opgGH operon, were identified and found to function in Rcs signalling in Yersinia enterocolitica. In this study, the possible contribution of OPGs to antimicrobial resistance of Y. enterocolitica biofilms were investigated, and the results showed that OPGs, especially when overexpressed, conferred a high level of biofilm resistance to two different classes of antibiotics onto Y. enterocolitica. Subsequent analysis revealed that OPGs regulated the biofilm architecture in Y. enterocolitica by promoting the bacteria to form large cell aggregates. Moreover, the opgGH genes in biofilms showed higher expression than in planktonic cultures. OPGs were required to induce the expression of genes related to flagella, extracellular polysaccharide, and c-di-GMP biosynthesis in Y. enterocolitica biofilms and this effect was more significant when OPGs were overproduced. The current investigation showed an extension in the biological role of OPGs in Y. enterocolitica and provided a strong theoretical basis to further study this resistance mechanism at the molecular level to identify new drug targets or disinfectants for the treatment of infections caused by Y. enterocolitica within biofilms.
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Affiliation(s)
- Jiao Meng
- Beijing Laboratory for Food Quality and Safety, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Jingguo Xu
- Beijing Laboratory for Food Quality and Safety, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing, 100083, China
| | - Jingyu Chen
- Beijing Laboratory for Food Quality and Safety, College of Food Science & Nutritional Engineering, China Agricultural University, Beijing, 100083, China.
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20
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Odyniec M, Stenzel T, Ławreszuk D, Bancerz-Kisiel A. Bioserotypes, Virulence Markers, and Antimicrobial Susceptibility of Yersinia enterocolitica Strains Isolated from Free-Living Birds. BIOMED RESEARCH INTERNATIONAL 2020; 2020:8936591. [PMID: 32258154 PMCID: PMC7103032 DOI: 10.1155/2020/8936591] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 02/28/2020] [Accepted: 03/05/2020] [Indexed: 01/04/2023]
Abstract
The risk of meat contamination with Yersinia enterocolitica poses a threat to consumers and persons who come into contact with bird carcasses. The occurrence of Y. enterocolitica in the vast majority of migratory game species, the capercaillie, and the black grouse has never been studied in Poland, Europe, or in the world. The material for the study consisted of cloacal swabs obtained from 143 Eurasian coots, 50 mallards, 30 pochards, 27 greylag geese, 22 white-fronted geese, 22 bean geese, 20 green-winged teals, and 10 tufted ducks, as well as fecal swabs obtained from 105 capercaillie and 18 black grouse. Bacteriological examinations of 894 samples taken from 447 birds led to the isolation of 20 strains with the biochemical features characteristic of the genus Yersinia. All 20 strains were molecularly examined, and the genes characteristic of Y. enterocolitica were detected in 8 strains. The isolated strains harbored amplicons whose size corresponded to ystB gene fragments. Four strains belonged to bioserotype 1A/NI, one strain was identified as bioserotype 1B/O:9, and one as 1A/O:9. The prevalence of Y. enterocolitica was determined at 1.4% in green-winged teals, at 5.0% in Eurasian coots, and at 4.8% in capercaillie. All strains were resistant to amoxicillin with clavulanic acid, ampicillin, and cefalexin. The strains isolated from migratory birds were also resistant to kanamycin and streptomycin, and they were characterized by resistance or intermediate resistance to cefotaxime, ceftazidime, chloramphenicol, gentamycin, and tetracycline, to which the strains isolated from the capercaillie were susceptible. Yersinia enterocolitica was not detected in the remaining bird species. The presence of Y. enterocolitica in green-winged teals, Eurasian coots, and capercaillie indicates that these birds could be carriers, potential reservoirs, and sources of infection for humans. They can also be regarded as reliable bioindicators of Y. enterocolitica in their respective habitats.
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Affiliation(s)
- Marta Odyniec
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Poland
| | - Tomasz Stenzel
- Department of Poultry Diseases, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Poland
| | - Dorota Ławreszuk
- Faculty of Biology and Chemistry, Institute of Biology, University of Białystok, Poland
| | - Agata Bancerz-Kisiel
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Poland
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21
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Meng J, Huang C, Huang X, Liu D, Han B, Chen J. Osmoregulated Periplasmic Glucans Transmit External Signals Through Rcs Phosphorelay Pathway in Yersinia enterocolitica. Front Microbiol 2020; 11:122. [PMID: 32117145 PMCID: PMC7013093 DOI: 10.3389/fmicb.2020.00122] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Accepted: 01/20/2020] [Indexed: 01/13/2023] Open
Abstract
Fast response to environmental changes plays a key role in the transmission and pathogenesis of Yersinia enterocolitica. Osmoregulated periplasmic glucans (OPGs) are known to be involved in environmental perception of several Enterobacteriaceae pathogens; however, the biological function of OPGs in Y. enterocolitica is still unclear. In this study, we investigated the role of OPGs in Y. enterocolitica by deleting the opgGH operon encoding enzymes responsible for OPGs biosynthesis. Complete loss of OPGs in the ΔopgGH mutant resulted in decreased motility, c-di-GMP production, biofilm formation and smaller cell size, whereas the overproduction of OPGs through restoration of opgGH expression promoted c-di-GMP/biofilm production and increased antibiotic resistance of Y. enterocolitica. Gene expression analysis revealed that opgGH deletion reduced transcription of flhDC, ftsAZ, hmsT and hmsHFRS genes regulated by the Rcs phosphorelay system, whereas additional deletion of rcs family genes (rcsF, rcsC, or rcsB) reversed this effect and restored motility and c-di-GMP/biofilm production but further reduced cell size. Furthermore, disruption of the Rcs phosphorelay increased the motility and promoted the induction of biofilm and c-di-GMP production regulated by OPGs through upregulating the expression of flhDC, hmsHFRS, and hmsT. However, deletion of genes encoding the EnvZ/OmpR phosphorelay downregulated the flhDC, hmsHFRS and hmsT expression, leading to the decreased motility and prevented the induction of biofilm and c-di-GMP production regulated by OPGs. These results indicated that Rcs phosphorelay had the effect on OPGs-mediated functional responses in Y. enterocolitica. Our findings disclose part of the biological role of OPGs and the underlying molecular mechanisms associated with Rcs system in the regulation of the pathogenic phenotype in Y. enterocolitica.
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Affiliation(s)
- Jiao Meng
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Can Huang
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Xiaoning Huang
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Dingyu Liu
- Department of Biochemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin, China
| | - Beizhong Han
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
| | - Jingyu Chen
- Beijing Laboratory for Food Quality and Safety, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China.,Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing, China
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22
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Koskinen J, Keto-Timonen R, Virtanen S, Vilar MJ, Korkeala H. Prevalence and Dynamics of Pathogenic Yersinia enterocolitica 4/O:3 Among Finnish Piglets, Fattening Pigs, and Sows. Foodborne Pathog Dis 2019; 16:831-839. [PMID: 31355682 DOI: 10.1089/fpd.2019.2632] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Pigs are considered the main reservoir of Yersinia enterocolitica, and hence, understanding the ecology of this foodborne pathogen at the farm level is crucial. We calculated Bayesian estimates for the ability of a commercial enzyme-linked immunosorbent assay (ELISA) diagnostic test kit to detect antibodies against pathogenic Yersinia in pigs. The sensitivity and specificity of the test were 75.4% and 98.1%, respectively. We also studied the dynamics of Y. enterocolitica infection in 3 farrow-to-finish pig farms by following the same 30 pens of pigs through their lifetime from farrowing unit to slaughterhouse. Each farm was sampled 4 times, and 864 fecal and 730 serum samples were collected altogether. Pathogenic Y. enterocolitica 4/O:3 was isolated from 31.6% of the fecal samples by culturing, and Yersinia antibodies were detected in 38.2% of the serum samples with the commercial ELISA test. The pathogen was not isolated from farrowing units or all-in/all-out weaning units. However, in the weaning and fattening units using continuous management systems, the pathogen was isolated from every pen at some point of the study. After the pigs were transported into slaughterhouse, 150 tonsils were collected and 96.7% were positive by culturing. Among the strains isolated from feces and tonsils, 56 different genotypes of pathogenic Y. enterocolitica 4/O:3 were found by multilocus variable-number tandem-repeat analysis (MLVA). Finally, we collected tonsils of 266 sows from 115 farrowing farms, and Y. enterocolitica 4/O:3 was detected in 6.0% of the samples by the culture method, whereas 77.1% of the tonsils were serologically positive; the estimate for true seroprevalence was 95.8%. In conclusion, sows may not be the main source of Y. enterocolitica for piglets, although sows may still play a role in maintaining Y. enterocolitica in pig farms. Instead, pigs appear to get this foodborne pathogen mainly during the fattening period, especially if continuous management is applied.
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Affiliation(s)
- Juho Koskinen
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Riikka Keto-Timonen
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Sonja Virtanen
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - María J Vilar
- Department of Production Animal Medicine, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
| | - Hannu Korkeala
- Department of Food Hygiene and Environmental Health, Faculty of Veterinary Medicine, University of Helsinki, Helsinki, Finland
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Sobhan A, Lee J, Park MK, Oh JH. Rapid detection of Yersinia enterocolitica using a single–walled carbon nanotube-based biosensor for Kimchi product. Lebensm Wiss Technol 2019. [DOI: 10.1016/j.lwt.2019.03.037] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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24
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Prevalence of Yersinia enterocolitica in milk and dairy products and the effects of storage temperatures on survival and virulence gene expression. Int Dairy J 2019. [DOI: 10.1016/j.idairyj.2019.02.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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25
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Di Marco N, Lucero-Estrada C, R Pungitore C. Aporphinoid alkaloids as antimicrobial agents against Yersinia enterocolitica. Lett Appl Microbiol 2019; 68:437-445. [PMID: 30687933 DOI: 10.1111/lam.13120] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 01/17/2019] [Accepted: 01/18/2019] [Indexed: 01/17/2023]
Abstract
Foodborne diseases have become a health issue worldwide, mainly due to the consumption of contaminated foods that are either raw, improperly heat treated or cross-contaminated after adequate heat treatment foods. A group of alkaloids extracted from plants were tested to evaluate their antimicrobial effect against different strains of Yersinia enterocolitica and other foodborne bacteria. The results obtained reveal that oliveridine and pachypodanthine inhibited Y. enterocolitica growth, with MIC values of 25 μmol l-1 and 100 μmol l-1 respectively. The results indicated that both alkaloids are good growth inhibitors, but oliveridine showed greater inhibitory effect with lower MIC values. Inhibitory alkaloids can be developed as potential antimicrobials in food system to prevent or treat foodborne diseases, thus contributing to solve the global issue of contaminated food consumption. SIGNIFICANCE AND IMPACT OF THE STUDY: Alkaloids are abundant secondary metabolites in plants and represent one of the most widespread class of compounds endowed with multiple and varied pharmacological properties. In this work, we propose two aporphinoid alkaloids extracted from plants as new antimicrobial agents. Oliveridine and pachypodanthine inhibited Yersinia enterocolitica growth for up to 96 h of culture. This is the first reported study of the activity of these alkaloids as antimicrobial compounds.
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Affiliation(s)
- N Di Marco
- Instituto de Investigación en Tecnología Química- Consejo Nacional de Investigaciones Científicas y Técnicas (INTEQUI-CONICET), San Luis, Argentina.,Departamento de Química, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, San Luis, Argentina
| | - C Lucero-Estrada
- Instituto Multidisciplinario de Investigaciones Biológicas de San Luis-Consejo Nacional de Investigaciones Científicas y Técnicas (IMIBIO-SL-CONICET), San Luis, Argentina.,Microbiología General, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, San Luis, Argentina
| | - C R Pungitore
- Instituto de Investigación en Tecnología Química- Consejo Nacional de Investigaciones Científicas y Técnicas (INTEQUI-CONICET), San Luis, Argentina.,Departamento de Química, Facultad de Química, Bioquímica y Farmacia, Universidad Nacional de San Luis, San Luis, Argentina
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Shields HM, Scheid FJ, Pierce TT, Andersson KL, Conrad MF, Rosenthal MG, Martin SD. Case 4-2019: An 18-Year-Old Man with Abdominal Pain and Hematochezia. N Engl J Med 2019; 380:473-485. [PMID: 30699318 DOI: 10.1056/nejmcpc1810391] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Helen M Shields
- From the Department of Medicine, Brigham and Women's Hospital (H.M.S.), the Departments of Medicine (F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Massachusetts General Hospital, and the Departments of Medicine (H.M.S., F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Harvard Medical School - all in Boston
| | - Fabian J Scheid
- From the Department of Medicine, Brigham and Women's Hospital (H.M.S.), the Departments of Medicine (F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Massachusetts General Hospital, and the Departments of Medicine (H.M.S., F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Harvard Medical School - all in Boston
| | - Theodore T Pierce
- From the Department of Medicine, Brigham and Women's Hospital (H.M.S.), the Departments of Medicine (F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Massachusetts General Hospital, and the Departments of Medicine (H.M.S., F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Harvard Medical School - all in Boston
| | - Karin L Andersson
- From the Department of Medicine, Brigham and Women's Hospital (H.M.S.), the Departments of Medicine (F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Massachusetts General Hospital, and the Departments of Medicine (H.M.S., F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Harvard Medical School - all in Boston
| | - Mark F Conrad
- From the Department of Medicine, Brigham and Women's Hospital (H.M.S.), the Departments of Medicine (F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Massachusetts General Hospital, and the Departments of Medicine (H.M.S., F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Harvard Medical School - all in Boston
| | - Martin G Rosenthal
- From the Department of Medicine, Brigham and Women's Hospital (H.M.S.), the Departments of Medicine (F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Massachusetts General Hospital, and the Departments of Medicine (H.M.S., F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Harvard Medical School - all in Boston
| | - Scott D Martin
- From the Department of Medicine, Brigham and Women's Hospital (H.M.S.), the Departments of Medicine (F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Massachusetts General Hospital, and the Departments of Medicine (H.M.S., F.J.S., K.L.A.), Radiology (T.T.P.), Surgery (M.F.C., M.G.R.), and Orthopedic Surgery (S.D.M.), Harvard Medical School - all in Boston
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Peng Z, Zou M, Li M, Liu D, Guan W, Hao Q, Xu J, Zhang S, Jing H, Li Y, Liu X, Yu D, Yan S, Wang W, Li F. Prevalence, antimicrobial resistance and phylogenetic characterization of Yersinia enterocolitica in retail poultry meat and swine feces in parts of China. Food Control 2018. [DOI: 10.1016/j.foodcont.2018.05.048] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Råsbäck T, Rosendal T, Stampe M, Sannö A, Aspán A, Järnevi K, Lahti ET. Prevalence of human pathogenic Yersinia enterocolitica in Swedish pig farms. Acta Vet Scand 2018; 60:39. [PMID: 29940995 PMCID: PMC6020225 DOI: 10.1186/s13028-018-0393-5] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 06/18/2018] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Pigs are the most important reservoir for human pathogenic Yersinia enterocolitica. We investigated the herd prevalence of human pathogenic Y. enterocolitica in Swedish pig farms by analysing pen faecal samples using a cold enrichment of 1 week and thereafter subsequent plating onto chromogenic selective media (CAY agar). RESULTS Pathogenic Y. enterocolitica was found in 32 (30.5%) of the 105 sampled farms with finisher pigs. Bioserotype 4/O:3 was identified at all but one farm, where 2/O:9 was identified. Pen-prevalence within the positive herds varied from 1/4 to 4/4 pens. The calculated intra-class correlation coefficient ICC (0.89) from a model with a random effect for grouping within herd indicated a very high degree of clustering by herd. None of the explored risk factors, including herd size, herd type, pig flow, feed type, access to outdoors, evidence of birds and rodents in the herd, usage of straw, number of pigs in sampled pen and age of pigs in pen were significantly associated with Y. enterocolitica status of the pen. The use of high pressure washing with cold water was significantly associated with Y. enterocolitica in the pen (OR = 84.77, 4.05-1772). Two culture methods were assessed for detection of Y. enterocolitica, one of which included the use of a chromogenic agar (CAY agar) intended for detection of human pathogenic Y. enterocolitica. The chromogenic media was found equal or superior to traditional methods and was used in this study. The isolates obtained were characterised by biotyping, serotyping, mass spectrometry (MALDI-TOF) and PCR. Characterisation by MALDI-TOF gave identical results to that of conventional bioserotyping. All porcine isolates were positive for the ail and inv genes by PCR, indicating that the isolates were most likely pathogenic to humans. CONCLUSIONS Human pathogenic Y. enterocolitica was found in nearly one-third of the Swedish pig farms with finisher pigs. The use of high pressure washing with cold water was associated with the presence of Y. enterocolitica in the pen. A modified culturing method using a chromogenic agar was efficient for detection of pathogenic Y. enterocolitica in pig faeces. The use of masspectrometry for identification and subtyping was in agreement with conventional biotyping and serotyping methods.
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Affiliation(s)
- Therese Råsbäck
- Department of Microbiology, National Veterinary Institute (SVA), 751 89 Uppsala, Sweden
| | - Thomas Rosendal
- Department of Disease Control and Epidemiology, National Veterinary Institute (SVA), 751 89 Uppsala, Sweden
| | - Michael Stampe
- Farm and Animal Health, Kungsängens Gård 6B, 753 23 Uppsala, Sweden
| | - Axel Sannö
- Department of Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Box 7070, 750 07 Uppsala, Sweden
| | - Anna Aspán
- Department of Microbiology, National Veterinary Institute (SVA), 751 89 Uppsala, Sweden
- Department of Clinical Sciences, Swedish University of Agricultural Sciences (SLU), Box 7070, 750 07 Uppsala, Sweden
| | - Katarina Järnevi
- Department of Microbiology, National Veterinary Institute (SVA), 751 89 Uppsala, Sweden
| | - Elina Tast Lahti
- Department of Disease Control and Epidemiology, National Veterinary Institute (SVA), 751 89 Uppsala, Sweden
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Pannek J, Gach J, Boratyński F, Olejniczak T. Antimicrobial activity of extracts and phthalides occurring in Apiaceae plants. Phytother Res 2018; 32:1459-1487. [PMID: 29732627 DOI: 10.1002/ptr.6098] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 03/07/2018] [Accepted: 03/24/2018] [Indexed: 12/26/2022]
Abstract
Apiaceae plants exhibit a broad spectrum of activities, for instance, antithrombotic, hypotensive, antioxidant, and insecticidal. They also provide a source of phthalides, which display antimicrobial activity. Considering the fact of rising resistance of both bacteria and fungi against commonly used antibiotics, developing of new naturally derived compounds is undeniably attractive approach. To our best knowledge, there are no other reviews concerning this subject in the literature. In view of above, an attempt to summarize an antimicrobial potential of isolated compounds and extracts from Apiaceae plants has been made, by specifying techniques of activity determination and methods of extraction. Techniques of antimicrobial activity evaluation are mainly based on bioautography, diffusion, and dilution methods. Therefore, we focused on in vitro data described in literature so far.
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Affiliation(s)
- Jakub Pannek
- Department of Chemistry, Wrocław University of Environmental and Life Sciences, Norwida 25, Wrocław, 50-375, Poland
| | - Joanna Gach
- Department of Chemistry, Wrocław University of Environmental and Life Sciences, Norwida 25, Wrocław, 50-375, Poland
| | - Filip Boratyński
- Department of Chemistry, Wrocław University of Environmental and Life Sciences, Norwida 25, Wrocław, 50-375, Poland
| | - Teresa Olejniczak
- Department of Chemistry, Wrocław University of Environmental and Life Sciences, Norwida 25, Wrocław, 50-375, Poland
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Bancerz-Kisiel A, Pieczywek M, Łada P, Szweda W. The Most Important Virulence Markers of Yersinia enterocolitica and Their Role during Infection. Genes (Basel) 2018; 9:E235. [PMID: 29751540 PMCID: PMC5977175 DOI: 10.3390/genes9050235] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Revised: 04/27/2018] [Accepted: 04/30/2018] [Indexed: 12/14/2022] Open
Abstract
Yersinia enterocolitica is the causative agent of yersiniosis, a zoonotic disease of growing epidemiological importance with significant consequences for public health. This pathogenic species has been intensively studied for many years. Six biotypes (1A, 1B, 2, 3, 4, 5) and more than 70 serotypes of Y. enterocolitica have been identified to date. The biotypes of Y. enterocolitica are divided according to their pathogenic properties: the non-pathogenic biotype 1A, weakly pathogenic biotypes 2⁻5, and the highly pathogenic biotype 1B. Due to the complex pathogenesis of yersiniosis, further research is needed to expand our knowledge of the molecular mechanisms involved in the infection process and the clinical course of the disease. Many factors, both plasmid and chromosomal, significantly influence these processes. The aim of this study was to present the most important virulence markers of Y. enterocolitica and their role during infection.
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Affiliation(s)
- Agata Bancerz-Kisiel
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 2 Str., 10-719 Olsztyn, Poland.
| | - Marta Pieczywek
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 2 Str., 10-719 Olsztyn, Poland.
| | - Piotr Łada
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 2 Str., 10-719 Olsztyn, Poland.
| | - Wojciech Szweda
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 2 Str., 10-719 Olsztyn, Poland.
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Syczyło K, Platt-Samoraj A, Bancerz-Kisiel A, Szczerba-Turek A, Pajdak-Czaus J, Łabuć S, Procajło Z, Socha P, Chuzhebayeva G, Szweda W. The prevalence of Yersinia enterocolitica in game animals in Poland. PLoS One 2018; 13:e0195136. [PMID: 29596492 PMCID: PMC5875811 DOI: 10.1371/journal.pone.0195136] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Accepted: 03/16/2018] [Indexed: 12/02/2022] Open
Abstract
Natural reservoirs of Yersinia (Y.) enterocolitica comprise different animal species, but little is known about the role of wild animals in the epidemiology of yersiniosis. The aim of the study was to evaluate the prevalence of Y. enterocolitica among game animals in Poland. The bio-serotypes and the pathogenicity markers of the analyzed isolates were determined. The experimental material comprised rectal swabs from 857 free-living animals hunter-harvested over a period of 2 years (2013-2014) in hunting districts across Poland. The isolates from bacteriological studies were confirmed by PCR and bio-serotyped based on the results of biochemical and agglutination tests. In the group of the 218 analyzed isolates of Y. enterocolitica, 133 were derived from wild boars, 70 from red deer, 11 from roe deer and 4 from fallow deer, and they accounted for 61.0%, 32.1%, 5.1% and 1.8% of all isolates, respectively. Bio-serotyping assays revealed that 91.7% of the examined isolates belonged to biotype 1A (200/218). The remaining 18 isolates belonged to bio-serotypes 1B/NI (3/218, 1.4%), 1B/O:8 (1/218, 0.5%), 2/NI (6/218, 2.8%), 2/O:27 (1/218, 0.5%), 2/O:3 (1/218, 0.5%), 2/O:9 (2/218, 0.9%), 3/NI (2/218, 0.9%), 4/O:3 (1/218, 0.5%) and 4/O:9 (1/218, 0.5%). The ail gene, a suggestive virulence gene for Y. enterocolitica, has been found in 30 isolates from 20 wild boars, in 6 isolates from red deer, and in 1 isolate from roe deer. Our study demonstrated that Y. enterocolitica is frequently isolated from game animals in Poland, which poses a risk of spreading these infectious agents to other animal species and humans.
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Affiliation(s)
- Kinga Syczyło
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, Olsztyn, Poland
| | - Aleksandra Platt-Samoraj
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, Olsztyn, Poland
| | - Agata Bancerz-Kisiel
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, Olsztyn, Poland
| | - Anna Szczerba-Turek
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, Olsztyn, Poland
| | - Joanna Pajdak-Czaus
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, Olsztyn, Poland
| | - Sebastian Łabuć
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, Olsztyn, Poland
| | - Zbigniew Procajło
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, Olsztyn, Poland
| | - Piotr Socha
- Department of Animal Reproduction with Clinic, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, Olsztyn, Poland
| | - Gulzhan Chuzhebayeva
- Department of Veterinary Public Health, Faculty of Veterinary and Livestock Technology, Baitursynov Kostanay State University, Baitursynov 47, Kostanay, Kazakhstan
| | - Wojciech Szweda
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, Olsztyn, Poland
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Prevalence, characterization and antimicrobial susceptibility of Yersinia enterocolitica and other Yersinia species found in fruits and vegetables from the European Union. Food Control 2018. [DOI: 10.1016/j.foodcont.2017.08.038] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Bancerz-Kisiel A, Szczerba-Turek A, Platt-Samoraj A, Michalczyk M, Szweda W. Characterisation of ail-positive Yersinia enterocolitica of different biotypes using HRMA. Int J Food Microbiol 2018; 269:46-51. [PMID: 29421357 DOI: 10.1016/j.ijfoodmicro.2018.01.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 01/16/2018] [Accepted: 01/18/2018] [Indexed: 10/18/2022]
Abstract
Yersiniosis is one of the four most frequent foodborne zoonotic diseases in Europe, and Yersinia enterocolitica is the primary agent in human infections. The ail gene is an important chromosomal virulence marker of Y. enterocolitica which encodes Ail, a 17-kDa outer membrane protein that promotes attachment and invasion. In the present study, ail-positive Y. enterocolitica strains of different biotypes were examined using high resolution melting analysis (HRMA) and DNA sequencing. Genotype data relating to Y. enterocolitica strains isolated from different sources and belonging to different biotypes were compared. Applied method allowed efficient distinguishing of three genotypes and phylogenetic groups: 1A - included non-pathogenic Y. enterocolitica strains; 1B - consisted of highly pathogenic Y. enterocolitica strains and 2/4 - involved weakly pathogenic Y. enterocolitica strains. Amplicon genotyping based on HRMA supports rapid identification of ail SNPs correlated with biotype of examined Y. enterocolitica strains.
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Affiliation(s)
- Agata Bancerz-Kisiel
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 2, 10-719 Olsztyn, Poland.
| | - Anna Szczerba-Turek
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 2, 10-719 Olsztyn, Poland
| | - Aleksandra Platt-Samoraj
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 2, 10-719 Olsztyn, Poland
| | - Maria Michalczyk
- Department of Parasitology and Invasiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 2, 10-719 Olsztyn, Poland
| | - Wojciech Szweda
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 2, 10-719 Olsztyn, Poland
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Thong KL, Tan LK, Ooi PT. Genetic diversity, virulotyping and antimicrobial resistance susceptibility of Yersinia enterocolitica isolated from pigs and porcine products in Malaysia. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2018; 98:87-95. [PMID: 28542807 DOI: 10.1002/jsfa.8442] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 05/10/2017] [Accepted: 05/19/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND The objectives of the present study were to determine the antimicrobial resistance, virulotypes and genetic diversity of Yersinia enterocolitica isolated from uncooked porcine food and live pigs in Malaysia. RESULTS Thirty-two non-repeat Y. enterocolitica strains of three bioserotypes (3 variant/O:3, n = 27; 1B/O:8, n = 3; 1A/O:5, n = 2) were analysed. Approximately 90% of strains were multidrug-resistant with a multiple antibiotic resistance index < 0.2 and the majority of the strains were resistant to nalidixic acid, clindamycin, ampicillin, ticarcillin, tetracycline and amoxicillin. Yersinia enterocolitica could be distinguished distinctly into three clusters by pulsed-field gel electrophoresis, with each belonging to a particular bioserotype. Strains of 3 variant/O:3 were more heterogeneous than others. Eleven of the 15 virulence genes tested (hreP, virF, rfbC, myfA, sat, inv, ail, ymoA, ystA, tccC, yadA) and pYV virulence plasmid were present in all the bioserotpe 3 variant/03 strains. CONCLUSION The occurrence of virulent strains of Y. enterocolitica in pigs and porcine products reiterated that pigs are important reservoirs for Y. enterocolitica. The increasing trend of multidrug resistant strains is a public health concern. This is the first report on the occurrence of potential pathogenic and resistant strains of Y. enterocolitica in pigs in Malaysia. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Kwai Lin Thong
- Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
| | - Lai Kuan Tan
- Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur, Malaysia
| | - Peck Toung Ooi
- Department of Clinical Veterinary Studies, Faculty of Veterinary Medicine, University Putra Malaysia, Malaysia
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Tuompo R, Hannu T, Huovinen E, Sihvonen L, Siitonen A, Leirisalo-Repo M. Yersinia enterocolitica biotype 1A: a possible new trigger of reactive arthritis. Rheumatol Int 2017; 37:1863-1869. [PMID: 28918489 DOI: 10.1007/s00296-017-3816-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 09/08/2017] [Indexed: 01/17/2023]
Abstract
Yersinia enterocolitica (YE) biotype 1A is generally considered non-pathogenic, and the role of it in causing reactive musculoskeletal complications is unclear. We evaluated the capability of YE biotype 1A to induce reactive arthritis (ReA) and other reactive musculoskeletal symptoms. Analysis of self-reported musculoskeletal symptoms was supplemented with a telephone interview (with a permission to acquire copies of patient files from a local physician or hospital) and/or clinical examination of subjects with recent musculoskeletal symptoms after a positive stool culture for YE. The diagnoses of ReA and reactive tendinitis and enthesitis (ReTe) were defined as "definite" when based on clinical examination and/or on interview by phone and "probable" when based solely on the questionnaire. Of 120 subjects, who reported musculoskeletal symptoms, 100 were included in the final analysis. Among these 100 patients, 68% had YE biotype 1A, 16% YE bio/serotype 4, and 1% biotype 2 infection; the remaining 15% had different YE-like strains or a non-biotypable strain. Of the 21 patients with ReA and of the 14 patients with ReTe, the diagnosis was definite in 9 and 7 patients and probable in 12 and 7 patients, respectively. The clinical picture of ReA caused by YE biotype 1A was similar with other bio/serotypes of YE. The definite ReA due to YE biotype 1A occurred in middle-aged adults (5 men, 4 women) with the most frequently affected joints being the knees and ankles. We suggest that YE biotype 1A should be taken into account as a new trigger of ReA.
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Affiliation(s)
- Riitta Tuompo
- Rheumatology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland. .,Department of Rheumatology, Inflammation Center, Helsinki University Central Hospital, PO 372, 00029 HUS, Helsinki, Finland.
| | - Timo Hannu
- Department of Public Health, Hjelt Institute, University of Helsinki, Helsinki, Finland
| | - Elisa Huovinen
- Epidemiologic Surveillance and Response Unit, National Institute for Health and Welfare (THL), Helsinki, Finland
| | - Leila Sihvonen
- Bacteriology Unit, National Institute for Health and Welfare (THL), Helsinki, Finland
| | - Anja Siitonen
- Bacteriology Unit, National Institute for Health and Welfare (THL), Helsinki, Finland
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Abstract
Each year in the United States, an estimated 525 000 infections, 2900 hospitalizations, and 82 deaths are attributed to consumption of pork. We analyzed the epidemiology of outbreaks attributed to pork in the United States reported to the Centers for Disease Control and Prevention (CDC) 1998-2015. During that period, 288 outbreaks were attributed to pork, resulting in 6372 illnesses, 443 hospitalizations, and four deaths. The frequency of outbreaks attributed to pork decreased by 37% during this period, consistent with a decline in total foodborne outbreaks. However, outbreaks attributed to pork increased by 73% in 2015 (19 outbreaks) compared with the previous 3 years (average of 11 outbreaks per year), without a similar increase in total foodborne outbreaks. Most (>99%) of these outbreaks occurred among people exposed in the same state. The most frequent etiology shifted from Staphylococcus aureus toxin during 1998-2001 (19%) to Salmonella during 2012-2015 (46%). Outbreaks associated with ham decreased from eight outbreaks per year during 1998-2001, to one per year during 2012-2015 (P < 0·01). Additional efforts are necessary to reduce outbreaks and sporadic illnesses associated with pork products.
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Duan R, Liang J, Zhang J, Chen Y, Wang J, Tong J, Guo B, Hu W, Wang M, Zhao J, Liu C, Hao H, Wang X, Jing H. Prevalence of Yersinia enterocolitica Bioserotype 3/O:3 among Children with Diarrhea, China, 2010-2015. Emerg Infect Dis 2017; 23:1502-1509. [PMID: 28820132 PMCID: PMC5572862 DOI: 10.3201/eid2309.160827] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Yersinia enterocolitica is thought to not significantly contribute to diarrheal disease in China, but evidence substantiating this claim is limited. We determined the prevalence of Y. enterocolitica infection and strain types present among children <5 years of age with diarrhea in China. The overall prevalence of pathogenic isolates was 0.59%. Prevalence of pathogenic bioserotype 3/O:3 varied geographically. In this population, the presence of fecal leukocytes was a characteristic of Y. enterocolitica infection and should be used as an indication for microbiological diagnostic testing, rather than for the diagnosis of bacillary dysentery. In contrast with Y. enterocolitica isolates from adults, which were primarily biotype 1A, isolates from children were primarily bioserotype 3/O:3. Most pathogenic isolates from children shared pulsed-field gel electrophoresis patterns with isolates from pigs and dogs, suggesting a possible link between isolates from animals and infections in children. Our findings underscore the need for improved diagnostics for this underestimated pathogen.
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MacDonald E, Einöder-Moreno M, Borgen K, Thorstensen Brandal L, Diab L, Fossli Ø, Guzman Herrador B, Hassan AA, Johannessen GS, Johansen EJ, Jørgensen Kimo R, Lier T, Paulsen BL, Popescu R, Tokle Schytte C, Sæbø Pettersen K, Vold L, Ørmen Ø, Wester AL, Wiklund M, Nygård K. National outbreak of Yersinia enterocolitica infections in military and civilian populations associated with consumption of mixed salad, Norway, 2014. ACTA ACUST UNITED AC 2017; 21:30321. [PMID: 27588690 PMCID: PMC5144932 DOI: 10.2807/1560-7917.es.2016.21.34.30321] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 07/20/2016] [Indexed: 11/20/2022]
Abstract
In May 2014, a cluster of Yersinia enterocolitica (YE) O9 infections was reported from a military base in northern Norway. Concurrently, an increase in YE infections in civilians was observed in the Norwegian Surveillance System for Communicable Diseases. We investigated to ascertain the extent of the outbreak and identify the source in order to implement control measures. A case was defined as a person with laboratory-confirmed YE O9 infection with the outbreak multilocus variable-number tandem repeat analysis (MLVA)-profile (5-6-9-8-9-9). We conducted a case–control study in the military setting and calculated odds ratios (OR) using logistic regression. Traceback investigations were conducted to identify common suppliers and products in commercial kitchens frequented by cases. By 28 May, we identified 133 cases, of which 117 were linked to four military bases and 16 were civilians from geographically dispersed counties. Among foods consumed by cases, multivariable analysis pointed to mixed salad as a potential source of illness (OR 10.26; 95% confidence interval (CI): 0.85–123.57). The four military bases and cafeterias visited by 14/16 civilian cases received iceberg lettuce or radicchio rosso from the same supplier. Secondary transmission cannot be eliminated as a source of infection in the military camps. The most likely source of the outbreak was salad mix containing imported radicchio rosso, due to its long shelf life. This outbreak is a reminder that fresh produce should not be discounted as a vehicle in prolonged outbreaks and that improvements are still required in the production and processing of fresh salad products.
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Affiliation(s)
- Emily MacDonald
- Department of Infectious Disease Epidemiology, Norwegian Institute of Public Health, Oslo, Norway
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Abstract
Reactive arthritis is classified as a spondyloarthropathy. Current concepts of disease suggest an infectious trigger, followed by inflammatory arthritis. Several mechanisms have been proposed to explain the interaction of host susceptibility and microorganism. Diagnosis relies on a compatible clinical syndrome and microbiologic confirmation of the pathogen. Antibiotic therapy seems useful in Chlamydia-triggered arthritis. The role of antibiotics in arthritis triggered by enteric pathogens is less clear. The role of tumor necrosis factor alpha inhibitors in therapy is evolving. Many patients have a course limited to a few months, but others experience extraarticular disease and more prolonged courses.
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Affiliation(s)
- Steven K Schmitt
- Section of Bone and Joint Infections, Department of Infectious Disease, Medicine Institute, Cleveland Clinic Lerner College of Medicine, Cleveland Clinic, 9500 Euclid Avenue, Desk G-21, Cleveland, OH 44195, USA.
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Leskinen K, Pajunen MI, Varjosalo M, Fernández-Carrasco H, Bengoechea JA, Skurnik M. Several Hfq-dependent alterations in physiology of Yersinia enterocolitica O:3 are mediated by derepression of the transcriptional regulator RovM. Mol Microbiol 2017; 103:1065-1091. [PMID: 28010054 DOI: 10.1111/mmi.13610] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/17/2016] [Indexed: 12/27/2022]
Abstract
In bacteria, the RNA chaperone Hfq enables pairing of small regulatory RNAs with their target mRNAs and therefore is a key player of post-transcriptional regulation network. As a global regulator, Hfq is engaged in the adaptation to external environment, regulation of metabolism and bacterial virulence. In this study we used RNA-sequencing and quantitative proteomics (LC-MS/MS) to elucidate the role of this chaperone in the physiology and virulence of Yersinia enterocolitica serotype O:3. This global approach revealed the profound impact of Hfq on gene and protein expression. Furthermore, the role of Hfq in the cell morphology, metabolism, cell wall integrity, resistance to external stresses and pathogenicity was evaluated. Importantly, our results revealed that several alterations typical for the hfq-negative phenotype were due to derepression of the transcriptional factor RovM. The overexpression of RovM caused by the loss of Hfq chaperone resulted in extended growth defect, alterations in the lipid A structure, motility and biofilm formation defects, as well as changes in mannitol utilization. Furthermore, in Y. enterocolitica RovM only in the presence of Hfq affected the abundance of RpoS. Finally, the impact of hfq and rovM mutations on the virulence was assessed in the mouse infection model.
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Affiliation(s)
- Katarzyna Leskinen
- Department of Bacteriology and Immunology, Medicum, Research Programs Unit, Immunobiology, University of Helsinki, Finland
| | - Maria I Pajunen
- Department of Bacteriology and Immunology, Medicum, Research Programs Unit, Immunobiology, University of Helsinki, Finland
| | - Markku Varjosalo
- Institute of Biotechnology, University of Helsinki.,Biocentrum Helsinki, Finland: Finnish Institute of Molecular Medicine, Finland
| | | | - José A Bengoechea
- Centre for Experimental Medicine, Queens University Belfast, Belfast, UK
| | - Mikael Skurnik
- Department of Bacteriology and Immunology, Medicum, Research Programs Unit, Immunobiology, University of Helsinki, Finland.,Division of Clinical Microbiology, Helsinki University Hospital, HUSLAB, Helsinki, Finland
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Petsios S, Fredriksson-Ahomaa M, Sakkas H, Papadopoulou C. Conventional and molecular methods used in the detection and subtyping of Yersinia enterocolitica in food. Int J Food Microbiol 2016; 237:55-72. [DOI: 10.1016/j.ijfoodmicro.2016.08.015] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2015] [Revised: 07/28/2016] [Accepted: 08/11/2016] [Indexed: 01/08/2023]
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Terech-Majewska E, Pajdak J, Platt-Samoraj A, Szczerba-Turek A, Bancerz-Kisiel A, Grabowska K. Characterization of Yersinia enterocolitica
strains potentially virulent for humans and animals in river water. J Appl Microbiol 2016; 121:554-60. [DOI: 10.1111/jam.13182] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 05/02/2016] [Accepted: 05/14/2016] [Indexed: 11/30/2022]
Affiliation(s)
- E. Terech-Majewska
- Department of Epizootiology; Faculty of Veterinary Medicine; University of Warmia and Mazury in Olsztyn; Olsztyn Poland
| | - J. Pajdak
- Department of Epizootiology; Faculty of Veterinary Medicine; University of Warmia and Mazury in Olsztyn; Olsztyn Poland
| | - A. Platt-Samoraj
- Department of Epizootiology; Faculty of Veterinary Medicine; University of Warmia and Mazury in Olsztyn; Olsztyn Poland
| | - A. Szczerba-Turek
- Department of Epizootiology; Faculty of Veterinary Medicine; University of Warmia and Mazury in Olsztyn; Olsztyn Poland
| | - A. Bancerz-Kisiel
- Department of Epizootiology; Faculty of Veterinary Medicine; University of Warmia and Mazury in Olsztyn; Olsztyn Poland
| | - K. Grabowska
- Department of Epizootiology; Faculty of Veterinary Medicine; University of Warmia and Mazury in Olsztyn; Olsztyn Poland
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Walker KA, Griggs LA, Obrist M, Bode A, Summers RP, Miller VL. The YsrS Paralog DygS Has the Capacity To Activate Expression of the Yersinia enterocolitica Ysa Type III Secretion System. J Bacteriol 2016; 198:1725-1734. [PMID: 27044629 PMCID: PMC4886761 DOI: 10.1128/jb.00240-16] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 03/28/2016] [Indexed: 11/20/2022] Open
Abstract
UNLABELLED The Yersinia enterocolitica Ysa type III secretion system (T3SS) is associated with intracellular survival, and, like other characterized T3SSs, it is tightly controlled. Expression of the ysa genes is only detected following growth at low temperatures (26°C) and in high concentrations of sodium chloride (290 mM) in the medium. The YsrSTR phosphorelay (PR) system is required for ysa expression and likely responds to NaCl. During our investigations into the Ysr PR system, we discovered that genes YE3578 and YE3579 are remarkably similar to ysrR and ysrS, respectively, and are probably a consequence of a gene duplication event. The amino acid differences between YE3578 and ysrR are primarily clustered into two short regions. The differences between YE3579 and ysrS are nearly all located in the periplasmic sensing domain; the cytoplasmic domains are 98% identical. We investigated whether these paralogs were capable of activating ysa gene expression. We found that the sensor paralog, named DygS, is capable of compensating for loss of ysrS, but the response regulator paralog, DygR, cannot complement a ysrR gene deletion. In addition, YsrR, but not DygR, interacts with the histidine phosphorelay protein YsrT. Thus, DygS likely activates ysa gene expression in response to a signal other than NaCl and provides an example of a phosphorelay system in which two sensor kinases feed into the same regulatory pathway. IMPORTANCE All organisms need mechanisms to promote survival in changing environments. Prokaryotic phosphorelay systems are minimally comprised of a histidine kinase (HK) that senses an extracellular stimulus and a response regulator (RR) but can contain three or more proteins. Through gene duplication, a unique hybrid HK was created. We show that, while the hybrid appears to retain all of the phosphorelay functions, it responds to a different signal than the original. Both HKs transmit the signal to the same RR, which activates a promoter that transcribes a set of genes encoding a type III secretion system (T3SS) whose function is not yet evident. The significance of this work lies in finding that two HKs regulate this T3SS, highlighting its importance.
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Affiliation(s)
- Kimberly A Walker
- Department of Microbiology and Immunology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Lauren A Griggs
- Department of Microbiology and Immunology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Markus Obrist
- Department of Microbiology and Immunology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Addys Bode
- Department of Microbiology and Immunology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - R Patrick Summers
- Department of Microbiology and Immunology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
| | - Virginia L Miller
- Department of Microbiology and Immunology, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
- Department of Genetics, University of North Carolina School of Medicine, Chapel Hill, North Carolina, USA
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Söderqvist K, Thisted Lambertz S, Vågsholm I, Boqvist S. Foodborne Bacterial Pathogens in Retail Prepacked Ready-to-Eat Mixed Ingredient Salads. J Food Prot 2016; 79:978-85. [PMID: 27296602 DOI: 10.4315/0362-028x.jfp-15-515] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Prepacked ready-to-eat mixed ingredient salads (RTE salads) are readily available whole meals that include a variety of ingredients such as raw vegetables, cooked meat, and pasta. As part of a trend toward healthy convenience foods, RTE salads have become an increasingly popular product among consumers. However, data on the incidence of foodborne pathogens in RTE salads are scarce. In this study, the microbiological safety of 141 RTE salads containing chicken, ham, or smoked salmon was investigated. Salad samples were collected at retail and analyzed using standard methods for Listeria monocytogenes, Shiga toxin-producing Escherichia coli (STEC), pathogenic Yersinia enterocolitica, Salmonella, and Campylobacter spp.L. monocytogenes was isolated from two (1.4%) of the RTE salad samples. Seven (5.0%) of the samples were positive for the ail gene (present in all human pathogenic Y. enterocolitica isolates) and three (2.1%) of the samples were positive for the Shiga toxin genes stx1 and/or stx2. However, no strains of pathogenic Y.enterocolitica or STEC were isolated. Thus, pathogens were found or suspected in almost 1 of 10 RTE salads investigated, and pathogenic bacteria probably are present in various RTE salads from retail premises in Sweden. Because RTE salads are intended to be consumed without heat treatment, control of the ingredients and production hygiene is essential to maintain consumer safety. The recommended maximum storage temperature for RTE salads varies among countries but can be up to 8°C (e.g., in Sweden). Even during a short shelf life (3 to 5 days), storage at 8°C can enable growth of psychrotrophs such as L. monocytogenes and Y. enterocolitica. The maximum storage temperature should therefore be reduced.
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Affiliation(s)
- Karin Söderqvist
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7036, SE-750 07, Uppsala, Sweden.
| | - Susanne Thisted Lambertz
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7036, SE-750 07, Uppsala, Sweden; Research and Development Department, National Food Agency, Box 622, SE-751 26, Uppsala, Sweden
| | - Ivar Vågsholm
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7036, SE-750 07, Uppsala, Sweden
| | - Sofia Boqvist
- Department of Biomedical Sciences and Veterinary Public Health, Swedish University of Agricultural Sciences, Box 7036, SE-750 07, Uppsala, Sweden
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Yersiniosis in France: overview and potential sources of infection. Int J Infect Dis 2016; 46:1-7. [DOI: 10.1016/j.ijid.2016.03.008] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2016] [Revised: 03/08/2016] [Accepted: 03/09/2016] [Indexed: 11/20/2022] Open
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van Dyk BN, de Bruin W, du Plessis EM, Korsten L. Microbiological Food Safety Status of Commercially Produced Tomatoes from Production to Marketing. J Food Prot 2016; 79:392-406. [PMID: 26939649 DOI: 10.4315/0362-028x.jfp-15-300] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Tomatoes have been implicated in various microbial disease outbreaks and are considered a potential vehicle for foodborne pathogens. Traceback studies mostly implicate contamination during production and/or processing. The microbiological quality of commercially produced tomatoes was thus investigated from the farm to market, focusing on the impact of contaminated irrigation and washing water, facility sanitation, and personal hygiene. A total of 905 samples were collected from three largescale commercial farms from 2012 through 2014. The farms differed in water sources used (surface versus well) and production methods (open field versus tunnel). Levels of total coliforms and Escherichia coli and prevalence of E. coli O157:H7 and Salmonella Typhimurium were determined. Dominant coliforms were identified using matrix-assisted laser desorption/ionization time-of-flight mass spectrometry. No pathogens or E. coli were detected on any of the tomatoes tested throughout the study despite the high levels of coliforms (4.2 to 6.2 log CFU/g) present on the tomatoes at the market. The dominant species associated with tomatoes belonged to the genera Enterobacter, Klebsiella, and Citrobacter. Water used on the farm for irrigation considered not fit for purpose according to national agricultural irrigation standards, with high E. coli levels resulting from either a highly contaminated source water (river water at 3.19 log most probable number [MPN]/100 ml) or improper storage of source water (stored well water at 1.72 log MPN/100 ml). Salmonella Typhimurium was detected on two occasions on a contact surface in the processing facility of the first farm in 2012. Contact surface coliform counts were 2.9 to 4.8 log CFU/cm(2). Risk areas identified in this study were water used for irrigation and poor sanitation practices in the processing facility. Implementation of effective food safety management systems in the fresh produce industry is of the utmost importance to ensure product safety for consumers.
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Affiliation(s)
- Brigitte N van Dyk
- Institute for Food, Nutrition and Well-being, Department of Plant Sciences, University of Pretoria, Pretoria 0002, South Africa
| | - Willeke de Bruin
- Institute for Food, Nutrition and Well-being, Department of Plant Sciences, University of Pretoria, Pretoria 0002, South Africa
| | - Erika M du Plessis
- Institute for Food, Nutrition and Well-being, Department of Plant Sciences, University of Pretoria, Pretoria 0002, South Africa
| | - Lise Korsten
- Institute for Food, Nutrition and Well-being, Department of Plant Sciences, University of Pretoria, Pretoria 0002, South Africa.
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Kh ZH, Kh M, H B, I B, B MBAA. Safety characterization of Yersinia enterocolitica strains isolated from raw milk in Western Algeria. ACTA ACUST UNITED AC 2016. [DOI: 10.5897/ajmr2015.7839] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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Bancerz-Kisiel A, Socha P, Szweda W. Detection and characterisation of Yersinia enterocolitica strains in cold-stored carcasses of large game animals in Poland. Vet J 2015; 208:102-3. [PMID: 26626093 DOI: 10.1016/j.tvjl.2015.08.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Revised: 07/28/2015] [Accepted: 08/06/2015] [Indexed: 11/15/2022]
Abstract
Yersinia enterocolitica is an important foodborne pathogen. The aim of the present study was to identify the bioserotypes and virulence markers of Y.enterocolitica strains isolated from three different anatomical regions of cold-stored carcasses of large game animals intended for human consumption. Y.enterocolitica strains were found in 12/20 (60%) of the roe deer carcasses examined, 7/16 (43.8%) of red deer carcasses and 11/20 (55%) of wild boar carcasses. Of the 52 Y.enterocolitica strains, 19 were isolated from the perineum, followed by 17 strains from the peritoneum of the longissimus dorsi muscle and 16 from the tonsils. Only one strain was isolated from warm culture. Bioserotype 1A/NI was the most commonly found and was detected in 29/52 isolates. All isolates contained amplicons corresponding to ystB gene fragments. The relatively high degree of carcass contamination with Y.enterocolitica is of concern due to the growing popularity of game meat with consumers.
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Affiliation(s)
- Agata Bancerz-Kisiel
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 13, 10-719 Olsztyn, Poland.
| | - Piotr Socha
- Department of Animal Reproduction with Clinic, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 14, 10-719 Olsztyn, Poland
| | - Wojciech Szweda
- Department of Epizootiology, Faculty of Veterinary Medicine, University of Warmia and Mazury, Oczapowskiego 13, 10-719 Olsztyn, Poland
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50
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Laukkanen-Ninios R, Fredriksson-Ahomaa M, Korkeala H. EnteropathogenicYersiniain the Pork Production Chain: Challenges for Control. Compr Rev Food Sci Food Saf 2014. [DOI: 10.1111/1541-4337.12108] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Riikka Laukkanen-Ninios
- Dept. of Food Hygiene and Environmental Health; Faculty of Veterinary Medicine; Univ. of Helsinki; P.O. Box 66, 00014 Helsinki Finland
| | - Maria Fredriksson-Ahomaa
- Dept. of Food Hygiene and Environmental Health; Faculty of Veterinary Medicine; Univ. of Helsinki; P.O. Box 66, 00014 Helsinki Finland
| | - Hannu Korkeala
- Dept. of Food Hygiene and Environmental Health; Faculty of Veterinary Medicine; Univ. of Helsinki; P.O. Box 66, 00014 Helsinki Finland
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