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Le Guern AS, Savin C, Chereau F, Tessier S, Guglielmini J, Brémont S, Pizarro-Cerdá J. A novel cgMLST for genomic surveillance of Yersinia enterocolitica infections in France allowed the detection and investigation of outbreaks in 2017-2021. Microbiol Spectr 2024; 12:e0050424. [PMID: 38651883 DOI: 10.1128/spectrum.00504-24] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 04/08/2024] [Indexed: 04/25/2024] Open
Abstract
Enteric yersiniosis, the third most common food-borne zoonosis in Europe, is mainly caused by the pathogen Yersinia enterocolitica. In France, the yersiniosis microbiological surveillance is conducted at the Yersinia National Reference Laboratory (YNRL). Since 2017, isolates have been characterized by whole genome sequencing (WGS) followed by a 500-gene Yersinia-cgMLST. We report here the data of the WGS-based surveillance on Y. enterocolitica isolates for the 2017-2021 period. The YNRL characterized 7,642 Y. enterocolitica strains distributed in 2,497 non-pathogenic isolates from lineages 1Aa and 1Ab, and 5,145 specimens belonging to 8 pathogenic lineages. Among pathogenic isolates, lineage 4 was the most common (87.2%) followed by lineages 2/3-9b (10.6%), 2/3-5a (1.2%), 2/3-9a (0.6%), 3-3b, 3-3c, 1B, and 3-3d (0.1% per each). Importantly, we developed a routine surveillance system based on a new typing method consisting of a 1,727-genes core genome Multilocus Sequence Typing (cgMLST) specific to the species Y. enterocolitica followed by isolate clustering. Thresholds of allelic distances (AD) were determined and fixed for the clustering of isolates: AD ≤ 5 for lineages 4, 2/3-5a, and 2/3-9a, and AD ≤ 3 for lineage 2/3-9b. Clustering programs were implemented in 2019 in routine surveillance to detect genomic clusters of pathogenic isolates. In total, 419 clusters with at least 2 isolates were identified, representing 2,504 of the 3,503 isolates characterized between 2019 and 2021. Most clusters (n = 325) comprised 2 to 5 isolates. The new typing method proved to be useful for the molecular investigation of unusual grouping of cases as well as for the detection of genomic clusters in routine surveillance. IMPORTANCE We describe here the new typing method used for molecular surveillance of Yersinia enterocolitica infections in France based on a novel core genome Multilocus Sequence Typing (cgMLST) specific to Y. enterocolitica species. This method can reliably identify the pathogenic Y. enterocolitica subspecies and compare the isolates with a high discriminatory power. Between 2017 and 2021, 5,145 pathogenic isolates belonging to 8 lineages were characterized and lineage 4 was by far the most common followed by lineage 2/3-9b. A clustering program was implemented, and detection thresholds were cross-validated by the molecular and epidemiological investigation of three unusual groups of Y. enterocolitica infections. The routine molecular surveillance system has been able to detect genomic clusters, leading to epidemiological investigations.
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Affiliation(s)
- Anne-Sophie Le Guern
- Institut Pasteur, Université de Paris Cité, Yersinia Research Unit, Yersinia National Reference Laboratory, WHO Collaborating Centre for Plague Fra-140, Paris, France
| | - Cyril Savin
- Institut Pasteur, Université de Paris Cité, Yersinia Research Unit, Yersinia National Reference Laboratory, WHO Collaborating Centre for Plague Fra-140, Paris, France
| | - Fanny Chereau
- Santé publique France, Infectious Diseases Division, Saint-Maurice, France
| | - Sabrina Tessier
- Santé publique France, Regions Division, Bourgogne-Franche-Comté Office, Dijon, France
| | - Julien Guglielmini
- Institut Pasteur, Université de Paris Cité, Bioinformatics and Biostatistic Hub, Paris, France
| | - Sylvie Brémont
- Institut Pasteur, Université de Paris Cité, Yersinia Research Unit, Yersinia National Reference Laboratory, WHO Collaborating Centre for Plague Fra-140, Paris, France
| | - Javier Pizarro-Cerdá
- Institut Pasteur, Université de Paris Cité, Yersinia Research Unit, Yersinia National Reference Laboratory, WHO Collaborating Centre for Plague Fra-140, Paris, France
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Liao L, Luo ZQ, Byeon JH, Park JH. Size-selective sampler combined with an immunochromatographic assay for the rapid detection of airborne Legionella pneumophila. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172085. [PMID: 38554967 DOI: 10.1016/j.scitotenv.2024.172085] [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: 01/02/2024] [Revised: 03/04/2024] [Accepted: 03/27/2024] [Indexed: 04/02/2024]
Abstract
Airborne biological aerosols (also called bioaerosols) are found in various environmental and occupational settings. Among these, pathogenic bioaerosols can cause diseases such as legionellosis, influenza, measles, and tuberculosis. To prevent or minimize people's exposure to these pathogenic bioaerosols in the field, a rapid detection method is required. In this study, a size-selective bioaerosol (SSB) sampler was combined with the immunochromatographic assay (ICA). The SSB sampler can collect bioaerosols on the sampling swab and the lateral flow test kit used in ICA can rapidly detect the pathogens in bioaerosols collected on the swab. Before testing the combined method, the lower limit of detection (LOD) of the lateral flow test kit was determined. Legionella pneumophila (L. pneumophila) was used as a target pathogen. The results show that at least 1.3 × 103L. pneumophila cells are required to be detected by the lateral flow test kit. To test the developed method, L. pneumophila suspension was aerosolized in the sampling chamber and collected using two SSB samplers with different sampling times (10 and 20 min). The developed method could detect aerosolized L. pneumophila and also estimate the concentrations from the lower LOD, sampling time, and formation of a positive line on a test strip. When positive results were obtained from sampling for 10 min and 20 min, concentrations of respirable L. pneumophila were estimated ≥5.2 × 104 CFUresp/m3 and ≥2.6 × 104 CFUresp/m3, respectively. The conventional sampler Andersen impactor with colony counting was also used for comparison. In all cases, the estimated concentrations obtained by the developed method were higher than those obtained by the conventional method. These findings confirm that the developed method can overcome the limitations of conventional methods and eventually benefit environmental and occupational health by providing a better method for risk assessment.
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Affiliation(s)
- Li Liao
- School of Health Sciences, Purdue University, West Lafayette, IN 47906, USA
| | - Zhao-Qing Luo
- Department of Biological Sciences, Purdue University, West Lafayette, IN 47906, USA
| | - Jeong Hoon Byeon
- School of Mechanical Engineering, Yeungnam University, Gyeongsan 38541, Republic of Korea.
| | - Jae Hong Park
- School of Health Sciences, Purdue University, West Lafayette, IN 47906, USA.
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Vidaković Knežević S, Knežević S, Vranešević J, Milanov D, Ružić Z, Karabasil N, Kocić-Tanackov S. Using Essential Oils to Reduce Yersinia enterocolitica in Minced Meat and in Biofilms. Foods 2024; 13:806. [PMID: 38472919 DOI: 10.3390/foods13050806] [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: 01/17/2024] [Revised: 03/03/2024] [Accepted: 03/04/2024] [Indexed: 03/14/2024] Open
Abstract
Yersiniosis, one of the leading foodborne infections in the European Union, is caused by Yersinia enterocolitica. In this study, the antibacterial and antibiofilm effects of cinnamon (Cinnamomum zeylanicum Nees), clove (Syzygium aromaticum L.), oregano (Origanum vulgare L.), rosemary (Rosmarinus officinalis L.), thyme (Thymus vulgaris L.), and winter savory (Satureja montana L.) essential oils were investigated against Y. enterocolitica strains belonging to the bioserotype 4/O:3. Cinnamon essential oil showed the highest antibacterial activity, with an MIC value 0.09 µL/mL, followed by oregano and thyme essential oils, with MIC values from 0.09 to 0.18 µL/mL, and from 0.18 to 0.23 µL/mL, respectively. Thyme essential oil at 0.23 µL/g (MIC) and at 0.46 µL/g (2MIC) significantly (p < 0.05) reduced the number of Y. enterocolitica by 0.38 log CFU/g and 0.64 log CFU/g, respectively, in minced pork meat during storage at 4 °C for 4 days. The Y. enterocolitica strains formed biofilms at 15 °C and 37 °C in tryptic soy broth and Luria-Bertani broth, while no biofilms were obtained at 5 °C, and in meat broth nutrient media. Applying the minimum bactericidal concentrations of cinnamon, clove, oregano, rosemary, thyme, and winter savory essential oils on preformed biofilms led to significant reductions being observed in the range from 45.34% to 78.89%. A scanning electron microscopy assay showed the devastating impact of oregano and thyme essential oils on the morphology of Y. enterocolitica bacterial cells. In conclusion, the results of this study show that essential oils possess high anti-Yersinia and antibiofilm effects.
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Affiliation(s)
| | | | | | - Dubravka Milanov
- Scientific Veterinary Institute "Novi Sad", 21000 Novi Sad, Serbia
| | - Zoran Ružić
- Department of Veterinary Medicine, Faculty of Agriculture, University of Novi Sad, 21000 Novi Sad, Serbia
| | - Nedjeljko Karabasil
- Faculty of Veterinary Medicine, University of Belgrade, 11000 Belgrade, Serbia
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Buytaers FE, Verhaegen B, Van Nieuwenhuysen T, Roosens NHC, Vanneste K, Marchal K, De Keersmaecker SCJ. Strain-level characterization of foodborne pathogens without culture enrichment for outbreak investigation using shotgun metagenomics facilitated with nanopore adaptive sampling. Front Microbiol 2024; 15:1330814. [PMID: 38495515 PMCID: PMC10940517 DOI: 10.3389/fmicb.2024.1330814] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 02/12/2024] [Indexed: 03/19/2024] Open
Abstract
Introduction Shotgun metagenomics has previously proven effective in the investigation of foodborne outbreaks by providing rapid and comprehensive insights into the microbial contaminant. However, culture enrichment of the sample has remained a prerequisite, despite the potential impact on pathogen detection resulting from the growth competition. To circumvent the need for culture enrichment, we explored the use of adaptive sampling using various databases for a targeted nanopore sequencing, compared to shotgun metagenomics alone. Methods The adaptive sampling method was first tested on DNA of mashed potatoes mixed with DNA of a Staphylococcus aureus strain previously associated with a foodborne outbreak. The selective sequencing was used to either deplete the potato sequencing reads or enrich for the pathogen sequencing reads, and compared to a shotgun sequencing. Then, living S. aureus were spiked at 105 CFU into 25 g of mashed potatoes. Three DNA extraction kits were tested, in combination with enrichment using adaptive sampling, following whole genome amplification. After data analysis, the possibility to characterize the contaminant with the different sequencing and extraction methods, without culture enrichment, was assessed. Results Overall, the adaptive sampling outperformed the shotgun sequencing. While the use of a host removal DNA extraction kit and targeted sequencing using a database of foodborne pathogens allowed rapid detection of the pathogen, the most complete characterization was achieved when using solely a database of S. aureus combined with a conventional DNA extraction kit, enabling accurate placement of the strain on a phylogenetic tree alongside outbreak cases. Discussion This method shows great potential for strain-level analysis of foodborne outbreaks without the need for culture enrichment, thereby enabling faster investigations and facilitating precise pathogen characterization. The integration of adaptive sampling with metagenomics presents a valuable strategy for more efficient and targeted analysis of microbial communities in foodborne outbreaks, contributing to improved food safety and public health.
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Affiliation(s)
- Florence E. Buytaers
- Transversal activities in Applied Genomics, Sciensano, Brussels, Belgium
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
| | - Bavo Verhaegen
- National Reference Laboratory for Foodborne Outbreaks (NRL-FBO) and for Coagulase Positive Staphylococci (NRL-CPS), Foodborne Pathogens, Sciensano, Brussels, Belgium
| | - Tom Van Nieuwenhuysen
- National Reference Laboratory for Foodborne Outbreaks (NRL-FBO) and for Coagulase Positive Staphylococci (NRL-CPS), Foodborne Pathogens, Sciensano, Brussels, Belgium
| | | | - Kevin Vanneste
- Transversal activities in Applied Genomics, Sciensano, Brussels, Belgium
| | - Kathleen Marchal
- Department of Plant Biotechnology and Bioinformatics, Ghent University, Ghent, Belgium
- Department of Information Technology, IDlab, IMEC, Ghent University, Ghent, Belgium
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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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Valenzuela-Amaro HM, Aguayo-Acosta A, Meléndez-Sánchez ER, de la Rosa O, Vázquez-Ortega PG, Oyervides-Muñoz MA, Sosa-Hernández JE, Parra-Saldívar R. Emerging Applications of Nanobiosensors in Pathogen Detection in Water and Food. BIOSENSORS 2023; 13:922. [PMID: 37887115 PMCID: PMC10605657 DOI: 10.3390/bios13100922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 09/23/2023] [Accepted: 10/03/2023] [Indexed: 10/28/2023]
Abstract
Food and waterborne illnesses are still a major concern in health and food safety areas. Every year, almost 0.42 million and 2.2 million deaths related to food and waterborne illness are reported worldwide, respectively. In foodborne pathogens, bacteria such as Salmonella, Shiga-toxin producer Escherichia coli, Campylobacter, and Listeria monocytogenes are considered to be high-concern pathogens. High-concern waterborne pathogens are Vibrio cholerae, leptospirosis, Schistosoma mansoni, and Schistosima japonicum, among others. Despite the major efforts of food and water quality control to monitor the presence of these pathogens of concern in these kinds of sources, foodborne and waterborne illness occurrence is still high globally. For these reasons, the development of novel and faster pathogen-detection methods applicable to real-time surveillance strategies are required. Methods based on biosensor devices have emerged as novel tools for faster detection of food and water pathogens, in contrast to traditional methods that are usually time-consuming and are unsuitable for large-scale monitoring. Biosensor devices can be summarized as devices that use biochemical reactions with a biorecognition section (isolated enzymes, antibodies, tissues, genetic materials, or aptamers) to detect pathogens. In most cases, biosensors are based on the correlation of electrical, thermal, or optical signals in the presence of pathogen biomarkers. The application of nano and molecular technologies allows the identification of pathogens in a faster and high-sensibility manner, at extremely low-pathogen concentrations. In fact, the integration of gold, silver, iron, and magnetic nanoparticles (NP) in biosensors has demonstrated an improvement in their detection functionality. The present review summarizes the principal application of nanomaterials and biosensor-based devices for the detection of pathogens in food and water samples. Additionally, it highlights the improvement of biosensor devices through nanomaterials. Nanomaterials offer unique advantages for pathogen detection. The nanoscale and high specific surface area allows for more effective interaction with pathogenic agents, enhancing the sensitivity and selectivity of the biosensors. Finally, biosensors' capability to functionalize with specific molecules such as antibodies or nucleic acids facilitates the specific detection of the target pathogens.
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Affiliation(s)
- Hiram Martin Valenzuela-Amaro
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Alberto Aguayo-Acosta
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Edgar Ricardo Meléndez-Sánchez
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Orlando de la Rosa
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | | | - Mariel Araceli Oyervides-Muñoz
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Juan Eduardo Sosa-Hernández
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | - Roberto Parra-Saldívar
- Tecnologico de Monterrey, Institute of Advanced Materials for Sustainable Manufacturing, Monterrey 64849, Mexico; (H.M.V.-A.); (A.A.-A.); (E.R.M.-S.); (O.d.l.R.); (M.A.O.-M.)
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
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Cheng S, Li Z, Bai X, Feng J, Su R, Song L, Yang H, Zhan X, Xia X, Lü X, Shi C. The biochemical characteristics of viable but nonculturable state Yersinia enterocolitica induced by lactic acid stress and its presence in food systems. Food Res Int 2023; 170:113024. [PMID: 37316087 DOI: 10.1016/j.foodres.2023.113024] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 05/19/2023] [Accepted: 05/19/2023] [Indexed: 06/16/2023]
Abstract
The viable but nonculturable (VBNC) state is adopted by many foodborne pathogenic bacteria to survive in adverse conditions. This study found that lactic acid, a widely used food preservative, can induce Yersinia enterocolitica to enter a VBNC state. Y. enterocolitica treated with 2 mg/mL lactic acid completely lost culturability within 20 min, and 10.137 ± 1.693 % of the cells entered a VBNC state. VBNC state cells could be recovered (resuscitated) in tryptic soy broth (TSB), 5 % (v/v) Tween80-TSB, and 2 mg/mL sodium pyruvate-TSB. In the VBNC state of Y. enterocolitica induced by lactic acid, the intracellular adenosine triphosphate (ATP) concentration and various enzyme activities were decreased, and the reactive oxygen species (ROS) level was elevated, compared with uninduced cells. The VBNC state cells were significantly more resistant to heat and simulated gastric fluid than uninduced cells, but their ability to survive in a high-osmotic-pressure environment was significantly less than that of uninduced cells. The VBNC state cells induced by lactic acid changed from long rod-like to short rod-like, with small vacuoles at the cell edges; the genetic material was loosened and the density of cytoplasm was increased. The VBNC state cells had decreased ability to adhere to and invade Caco-2 (human colorectal adenocarcinoma) cells. The transcription levels of genes related to adhesion, invasion, motility, and resistance to adverse environmental stress were downregulated in VBNC state cells relative to uninduced cells. In meat-based broth, all nine tested strains of Y. enterocolitica entered the VBNC state after lactic acid treatment; among these strains, only VBNC state cells of Y. enterocolitica CMCC 52207 and Isolate 36 could not be recovered. Therefore, this study is a wake-up call for food safety problems caused by VBNC state pathogens induced by lactic acid.
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Affiliation(s)
- Shuai Cheng
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zhenye Li
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiangyang Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jingqi Feng
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ruiying Su
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Luyi Song
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Hui Yang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiangjun Zhan
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiaodong Xia
- School of Food Science and Technology, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116304, China
| | - Xin Lü
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chao Shi
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, China.
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Zhang H, Zhao M, Hu S, Ma K, Li J, Zhao J, Wei X, Tong L, Li S. Establishment of a Real-Time Recombinase Polymerase Amplification for Rapid Detection of Pathogenic Yersinia enterocolitica. Pathogens 2023; 12:pathogens12020226. [PMID: 36839498 PMCID: PMC9963195 DOI: 10.3390/pathogens12020226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 01/22/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023] Open
Abstract
Yersinia enterocolitica is a zoonotic proto-microbe that is widespread throughout the world, causes self-limiting diseases in humans or animals and even leads to sepsis and death in patients with severe cases. In this study, a real-time recombinase polymerase amplification (RPA) assay for pathogenic Y. enterocolitica was established based on the ail gene. The results showed that the RPA detection for Y. enterocolitica could be completed within 20 min at an isothermal temperature of 38 °C by optimizing the conditions in the primers and Exo probe. Moreover, the sensitivity of the current RT-RPA was 10-4 ng/μL, and the study found that the assay was negative in the application of the genomic DNA of other pathogens. These suggest the establishment of a rapid and sensitive real-time RPA method for the detection of pathogenic Y. enterocolitica, which can provide new understandings for the early diagnosis of the pathogens.
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Abstract
The major function of the mammalian immune system is to prevent and control infections caused by enteropathogens that collectively have altered human destiny. In fact, as the gastrointestinal tissues are the major interface of mammals with the environment, up to 70% of the human immune system is dedicated to patrolling them The defenses are multi-tiered and include the endogenous microflora that mediate colonization resistance as well as physical barriers intended to compartmentalize infections. The gastrointestinal tract and associated lymphoid tissue are also protected by sophisticated interleaved arrays of active innate and adaptive immune defenses. Remarkably, some bacterial enteropathogens have acquired an arsenal of virulence factors with which they neutralize all these formidable barriers to infection, causing disease ranging from mild self-limiting gastroenteritis to in some cases devastating human disease.
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Affiliation(s)
- Micah J. Worley
- Department of Biology, University of Louisville, Louisville, Kentucky, USA,CONTACT Micah J. Worley Department of Biology, University of Louisville, 139 Life Sciences Bldg, Louisville, Kentucky, USA
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10
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Zhong Y, Liu M, Ding Y, Wu Q, Zhang J, Ma G, Xu T, Wang Z, Chen M, Xue L, Ye Q, Wang J. Rapid fluorescence visualization of Yersinia enterocolitica by CRISPR/Cas12a using novel specific target obtained by pan-genome analysis. Lebensm Wiss Technol 2023. [DOI: 10.1016/j.lwt.2023.114500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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Sande MG, Ferreira D, Rodrigues JL, Melo LDR, Linke D, Silva CJ, Moreira FTC, Sales MGF, Rodrigues LR. Electrochemical Aptasensor for the Detection of the Key Virulence Factor YadA of Yersinia enterocolitica. BIOSENSORS 2022; 12:bios12080614. [PMID: 36005012 PMCID: PMC9405658 DOI: 10.3390/bios12080614] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 08/02/2022] [Accepted: 08/06/2022] [Indexed: 05/31/2023]
Abstract
New point-of-care (POC) diagnosis of bacterial infections are imperative to overcome the deficiencies of conventional methods, such as culture and molecular methods. In this study, we identified new aptamers that bind to the virulence factor Yersinia adhesin A (YadA) of Yersinia enterocolitica using cell-systematic evolution of ligands by exponential enrichment (cell-SELEX). Escherichia coli expressing YadA on the cell surface was used as a target cell. After eight cycles of selection, the final aptamer pool was sequenced by high throughput sequencing using the Illumina Novaseq platform. The sequencing data, analyzed using the Geneious software, was aligned, filtered and demultiplexed to obtain the key nucleotides possibly involved in the target binding. The most promising aptamer candidate, Apt1, bound specifically to YadA with a dissociation constant (Kd) of 11 nM. Apt1 was used to develop a simple electrochemical biosensor with a two-step, label-free design towards the detection of YadA. The sensor surface modifications and its ability to bind successfully and stably to YadA were confirmed by cyclic voltammetry, impedance spectroscopy and square wave voltammetry. The biosensor enabled the detection of YadA in a linear range between 7.0 × 104 and 7.0 × 107 CFU mL−1 and showed a square correlation coefficient >0.99. The standard deviation and the limit of detection was ~2.5% and 7.0 × 104 CFU mL−1, respectively. Overall, the results suggest that this novel biosensor incorporating Apt1 can potentially be used as a sensitive POC detection system to aid the diagnosis of Y. enterocolitica infections. Furthermore, this simple yet innovative approach could be replicated to select aptamers for other (bacterial) targets and to develop the corresponding biosensors for their detection.
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Affiliation(s)
- Maria G. Sande
- CEB—Centre of Biological Engineering, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Débora Ferreira
- CEB—Centre of Biological Engineering, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Joana L. Rodrigues
- CEB—Centre of Biological Engineering, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Luís D. R. Melo
- CEB—Centre of Biological Engineering, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
| | - Dirk Linke
- Section for Genetics and Evolutionary Biology, Department of Biosciences, University of Oslo, 0316 Oslo, Norway
| | - Carla J. Silva
- CENTI—Center for Nanotechnology and Smart Materials, Rua Fernando Mesquita 278, 4760-034 Vila Nova de Famalicão, Portugal
- CITEVE—Technological Center for the Textile and Clothing Industries of Portugal, Rua Fernando Mesquita 2785, 4760-034 Vila Nova de Famalicão, Portugal
| | - Felismina T. C. Moreira
- CEB—Centre of Biological Engineering, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
- BioMark-CINTESIS/ISEP, School of Engineering, Polytechnic Institute of Porto, 4219-015 Porto, Portugal
| | - Maria Goreti F. Sales
- CEB—Centre of Biological Engineering, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
- BioMark-CINTESIS/ISEP, School of Engineering, Polytechnic Institute of Porto, 4219-015 Porto, Portugal
| | - Ligia R. Rodrigues
- CEB—Centre of Biological Engineering, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal
- LABBELS—Associate Laboratory, 4710-057 Braga, Portugal
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12
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Ultra-Sensitive and Rapid Detection of Pathogenic Yersinia enterocolitica Based on the CRISPR/Cas12a Nucleic Acid Identification Platform. Foods 2022; 11:foods11142160. [PMID: 35885403 PMCID: PMC9318358 DOI: 10.3390/foods11142160] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/14/2022] [Accepted: 07/17/2022] [Indexed: 02/04/2023] Open
Abstract
Yersinia enterocolitica is a dangerous foodborne human pathogen that mainly causes gastroenteritis. Ideal methods for the detection of pathogens in food should be rapid, sensitive, specific, and cost effective. To this end, novel in vitro nucleic acid identification methods based on clustered, regularly interspaced short palindromic repeats (CRISPR)-associated protein (Cas) endonuclease have received increasing attention. In this study, a simple, visual, and ultrasensitive method, based on CRISPR/Cas12a with recombinase polymerase amplification (RPA), was developed for the detection of Y. enterocolitica. The results show that a specific attachment invasion locus gene (ail) can be rapidly detected using a CRISPR/Cas12a-RPA-based system. Application of the method to raw pork, which was artificially infected with Y. enterocolitica, achieved an estimated detection limit of 1.7 CFU/mL in less than 45 min, and this was 100 times lower compared with qPCR. The results indicated that the CRISPR/Cas12a-RPA system has good potential for monitoring pathogenic Y. enterocolitica in the chilled meat supply chain.
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13
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Evidence on antimicrobial activity of essential oils and herbal extracts against Yersinia enterocolitica - A review. FOOD BIOSCI 2022. [DOI: 10.1016/j.fbio.2022.101712] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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14
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Kang S, Li X, Xing Z, Liu X, Bai X, Yang Y, Guo D, Xia X, Zhang C, Shi C. Antibacterial effect of citral on yersinia enterocolitica and its mechanism. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108775] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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15
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Wu M, Tian L, Fu J, Liao S, Li H, Gai Z, Gong G. Antibacterial mechanism of Protocatechuic acid against Yersinia enterocolitica and its application in pork. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108573] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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16
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Comparative genomics and antibiotic resistance of Yersinia enterocolitica obtained from a pork production chain and human clinical cases in Brazil. Food Res Int 2022; 152:110917. [DOI: 10.1016/j.foodres.2021.110917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 12/13/2021] [Accepted: 12/20/2021] [Indexed: 11/21/2022]
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17
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Hasanzadeh P, Limoee EG, Gharajalar SN. Molecular Detection, Biotyping and Serotyping of Yersinia enterocolitica Isolated from Chicken Livers in Tabriz. Comp Immunol Microbiol Infect Dis 2022; 83:101777. [DOI: 10.1016/j.cimid.2022.101777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2022] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 10/19/2022]
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18
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Afridi OK, Ali J, Chang JH. Resistome and microbial profiling of pediatric patient's gut infected with multidrug-resistant diarrhoeagenic Enterobacteriaceae using next-generation sequencing; the first study from Pakistan. Libyan J Med 2021; 16:1915615. [PMID: 33877031 PMCID: PMC8078919 DOI: 10.1080/19932820.2021.1915615] [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: 01/06/2021] [Accepted: 04/08/2021] [Indexed: 12/11/2022] Open
Abstract
A high prevalence of multidrug-resistant (MDR) pathogens has been reported in adult and pediatric populations of Pakistan. However, data describing the effect of MDR microbes on the gut microbiota is scarce. We designed a cross-sectional pediatric study to investigate the effect of MDR microbes' infection on the gut microbiome and its resistome of children using high-throughput next-generation sequencing (NGS). A cross-sectional study was conducted at a tertiary health care hospital in Peshawar Pakistan, between 5 September 2019 to 15 February 2020. Pediatric patients with acute gastroenteritis (n = 200) were enrolled. All the enrolled pediatric patients underwent initial antimicrobial resistance (AMR) screening using the disk diffusion method. Children with MDR infections were identified and selected for gut microbiome and its resistome profiling using NGS. Out of 200 enrolled pediatric patients, 80 (40%) were found infected with MDR diarrheagenic Enterobacteriaceae consisting of 50 (62.5%) infections caused by extended-spectrum beta-lactamase (ESBL) producing E. coli while 30 (37.5%) by MDR Enterobacter specie. A total of 63 and 17 antibiotic-resistant genes (ARGs) conferring resistance to 7 and 5 classes of antibiotics were identified in the resistomes of MDR diarrheagenic Enterobacteriaceae infected and healthy children, respectively. NGS-based gut microbial profiling of MDR Enterobacter spp., ESBL producing E. coli infected pediatric patients and healthy controls revealed the predominance of Proteobacteria and Actinobacteria, respectively. An increased abundance of several pathogenic gram-negative bacteria namely E. coli, Enterobacter cloacae, and Salmonella enterica was observed in the gut microbiota of children infected with MDR bacterial infections than that of the healthy controls. This work indicates that children with MDR infections have reduced microbial diversity and enriched ARGs than healthy controls. The emergence of MDR bacterial strains and their association with gut dysbiosis needs immediate attention to regulate antibiotics usage in Pakistani children.
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Affiliation(s)
- Ome Kalsoom Afridi
- Department of Biology Education, Kyungpook National University, Daegu, Republic of Korea
| | - Johar Ali
- Center of Genome Sciences, Rehman Medical Institute Peshawar, Pakistan
- Executive Development Center, Sukkur Institute of Business Administration University, Pakistan
- Department of Biotechnology, Institute of Integrative Biosciences, CECOS University of IT & Emerging Sciences, Peshawar, Pakistan
| | - Jeong Ho Chang
- Department of Biology Education, Kyungpook National University, Daegu, Republic of Korea
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19
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Cristiano D, Peruzy MF, Aponte M, Mancusi A, Proroga YTR, Capuano F, Murru N. Comparison of droplet digital PCR vs real-time PCR for Yersinia enterocolitica detection in vegetables. Int J Food Microbiol 2021; 354:109321. [PMID: 34225034 DOI: 10.1016/j.ijfoodmicro.2021.109321] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/18/2021] [Accepted: 06/21/2021] [Indexed: 11/30/2022]
Abstract
Yersiniosis - the 4th most commonly reported zoonosis in the European Union - is caused by the consumption of food contaminated with the bacterium Yersinia enterocolitica. The number of human cases and contaminated food samples is probably underestimated since conventional molecular methods currently proposed for Yersinia enterocolitica detection proved to have several limitations. Critical issues associated with the detection of Yersinia enterocolitica in meat and/or meat product has already been investigated, whereas data on the possible limits of the molecular methods for Yersinia enterocolitica detection in vegetables are still lacking. According to ISO method (ISO 18867:2015), real-time polymerase chain reaction (rtPCR) should be adopted for Yersinia enterocolitica detection, even if it proved to be affected by some biases. Recently, Droplet Digital PCR (ddPCR) has been introduced as a useful tool to detect and quantify different pathogenic bacteria in complex food matrices. However, its potential application for Yersinia enterocolitica detection in vegetables has never been investigated before. In the present study two molecular platforms (rtPCR and ddPCR) were used to evaluate the pathogen's behaviour in experimentally contaminated leafy greens (Lactuca sativa L.) and to assess the rate of detection achievable after the incubation for eleven days at different temperatures. By comparing, noticeable differences emerged between the two technical approaches: only ddPCR allowed the detection of the pathogen in leafy greens when contaminated at low levels. Moreover, results of the present work highlighted the importance of length and temperature of incubation on the survival and/or the growth of Yersinia enterocolitica in vegetables: at 18 and 25 °C the concentration of the pathogen considerably decreases along incubation. Based on data, the use of rtPCR leads to an underestimation of the true prevalence of pathogenic Y. enterocolitica in vegetables, while temperature and time currently proposed for Y. enterocolitica (25 °C for 24 h), allow optimizing detection. To conclude, ddPCR may be undoubtedly proposed as a reliable alternative strategy for the quick detection of the pathogen in food samples.
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Affiliation(s)
- D Cristiano
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Via Salute, 2, 8055 Portici, NA, Italy
| | - M F Peruzy
- Department of Veterinary Medicine and Animal Production, University of Naples "Federico II", Via Delpino 1, 80137 Napoli, Italy.
| | - M Aponte
- Department of Agricultural Sciences, University of Naples 'Federico II', Via Università 100, Portici, NA, Italy
| | - A Mancusi
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Via Salute, 2, 8055 Portici, NA, Italy
| | - Y T R Proroga
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Via Salute, 2, 8055 Portici, NA, Italy
| | - F Capuano
- Department of Food Microbiology, Istituto Zooprofilattico Sperimentale del Mezzogiorno, Via Salute, 2, 8055 Portici, NA, Italy
| | - N Murru
- Department of Veterinary Medicine and Animal Production, University of Naples "Federico II", Via Delpino 1, 80137 Napoli, Italy; Task Force on Microbiome Studies, University of Naples Federico II, Naples, Italy
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20
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Tian L, Wang X, Zhang D, Wu M, Xue Z, Liu Z, Yang S, Li H, Gong G. Evaluation of the membrane damage mechanism of protocatechualdehyde against Yersinia enterocolitica and simulation of growth inhibition in pork. Food Chem 2021; 363:130340. [PMID: 34144416 DOI: 10.1016/j.foodchem.2021.130340] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 04/15/2021] [Accepted: 06/06/2021] [Indexed: 11/24/2022]
Abstract
This study sought to explore the antibacterial mechanism associated with membrane damage in Yersinia enterocolitica by protocatechualdehyde (PCA), thus providing improved knowledge of whether PCA is suitable for pork preservation. The minimum inhibitory concentration (MIC) of PCA was determined by micro-broth dilution. We then characterized functional and morphological changes of Y. enterocolitica treated with PCA. Finally, the growth inhibition model of PCA against Y. enterocolitica in pork was established using the response surface method. Accordingly, the MIC of PCA against Y. enterocolitica was found to be 0.3125 mg/mL. Significant observations incorporated membrane depolarization, a markedly decreased intracellular ATP and pH, and morphological changes induced by PCA treatment. After PCA treatment under low temperatures, the average Y. enterocolitica count in pork decreased by two log cycles. According to the obtained findings, PCA exhibited satisfactory performances as a food preservative to control the growth and reproduction of Y. enterocolitica in pork.
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Affiliation(s)
- Lu Tian
- College of Food and Bioengineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Xuyang Wang
- College of Food and Bioengineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Di Zhang
- College of Food and Bioengineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Mi Wu
- College of Food and Bioengineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Zhifei Xue
- College of Food and Bioengineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Zhiqiang Liu
- College of Food and Bioengineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Siqi Yang
- College of Food and Bioengineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Hui Li
- College of Food and Bioengineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China
| | - Guoli Gong
- College of Food and Bioengineering, Shaanxi University of Science and Technology, Xi'an, Shaanxi 710021, China.
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21
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Intelligent Packaging for Real-Time Monitoring of Food-Quality: Current and Future Developments. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11083532] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Food packaging encompasses the topical role of preserving food, hence, extending the shelf-life, while ensuring the highest quality and safety along the production chain as well as during storage. Intelligent food packaging further develops the functions of traditional packages by introducing the capability of continuously monitoring food quality during the whole chain to assess and reduce the insurgence of food-borne disease and food waste. To this purpose, several sensing systems based on different food quality indicators have been proposed in recent years, but commercial applications remain a challenge. This review provides a critical summary of responsive systems employed in the real-time monitoring of food quality and preservation state. First, food quality indicators are briefly presented, and subsequently, their exploitation to fabricate intelligent packaging based on responsive materials is discussed. Finally, current challenges and future trends are reviewed to highlight the importance of concentrating efforts on developing new functional solutions.
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22
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Zheng Y, Hu P, Ren H, Wang H, Cao Q, Zhao Q, Li H, Zhang H, Liu Z, Li Y, Wang C, Liu Z, Lu S. RPA-SYBR Green I based instrument-free visual detection for pathogenic Yersinia enterocolitica in meat. Anal Biochem 2021; 621:114157. [PMID: 33705723 DOI: 10.1016/j.ab.2021.114157] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 02/23/2021] [Accepted: 03/03/2021] [Indexed: 10/22/2022]
Abstract
Pathogenic Yersinia (Y.) enterocolitica is the primary causative agent of Yersiniosis, with outbreaks in numerous countries around the world, and causes diarrhea and vomiting in animals and humans. Therefore, an instrument-free and convenient nucleic acid visualization method, RPA-SYBR Green I, was established, which combines recombinase polymerase amplification (RPA) with the fluorescent dye SYBR Green I for the detection of the adhesion gene ail in pathogenic Y. enterocolitica. After optimization of a series of conditions such as primer concentration, the detection of pathogenic Y. enterocolitica could be finally completed within about 20 min (from DNA extraction to observation of results) at an isothermal temperature of 39°C. RPA-SYBR Green I had no cross-reactivity with other bacteria and the detection limit was 101 CFU/μL, with sensitivity equal to that of conventional PCR. The method established in this paper and conventional PCR identified a total of 5 spiked samples and 15 meat samples stored in refrigerated, and it was concluded that there was 100% consistency between the two methods. Overall, RPA-SYBR Green I is a visual and facilitate detection assay that can accurately discover pathogenic Y. enterocolitica.
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Affiliation(s)
- Yu Zheng
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Pan Hu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Honglin Ren
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Han Wang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Qi Cao
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Qiang Zhao
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Hanxiao Li
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Hailing Zhang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Zhanxu Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Yansong Li
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Cong Wang
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Zengshan Liu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China
| | - Shiying Lu
- Key Laboratory of Zoonosis Research, Ministry of Education, Institute of Zoonosis, Jilin University, Changchun, 130062, China.
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23
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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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24
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Molecular evaluation of quorum quenching potential of vanillic acid against Yersinia enterocolitica through transcriptomic and in silico analysis. J Med Microbiol 2020; 69:1319-1331. [DOI: 10.1099/jmm.0.001261] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
Introduction.
Yersinia enterocolitica
is one of the leading food-borne entero-pathogens causing various illnesses ranging from gastroenteritis to systemic infections. Quorum sensing (QS) is one of the prime mechanisms that control the virulence in
Y. enterocolitica
.
Hypothesis/Gap Statement. Vanillic acid inhibits the quorum sensing and other virulence factors related to
Y. enterocolitica
. It has been evaluated by transcriptomic and Insilico analysis. Therefore, it can be a prospective agent to develop a therapeutic combination against
Y. enterocolitica
.
Aim. The present study is focused on screening natural anti-quorum-sensing agents against
Y. enterocolitica
. The effect of selected active principle on various virulence factors was evaluated.
Methodology. In total, 12 phytochemicals were screened by swarming assay. MATH assay, EPS and surfactant production assay, SEM analysis, antibiotic and blood sensitivity assay were performed to demonstrate the anti-virulence activity. Further, RNA sequencing and molecular docking studies were carried out to substantiate the anti-QS activity.
Results. Vanillic acid (VA) has exhibited significant motility inhibition, thus indicating the anti-QS activity with MQIC of 400 µg ml−1 without altering the cell viability. It has also inhibited the violacein production in
Chromobacterium violaceum
ATCC 12472, which further confirms the anti-QS activity. VA has inhibited 16 % of cell-surface hydrophobicity (CSH), 52 % of EPS production and 60 % of surfactant production. Moreover, it has increased the sensitivity of
Y. enterocolitica
towards antibiotics. It has also made the cells upto 91 % more vulnerable towards human immune cells. The transcriptomic analysis by RNA sequencing revealed the down regulation of genes related to motility, virulence, chemotaxis, siderophores and drug resistance. VA treatment has also positively regulated the expression of several stress response genes. In furtherance, the anti-QS potential of VA has been validated with QS regulatory protein YenR by in silico molecular simulation and docking study.
Conclusion. The present study is possibly the first attempt to demonstrate the anti-QS and anti-pathogenic potential of VA against
Y. enterocolitica
by transcriptomic and in silico analysis. It also deciphers that VA can be a promising lead to develop biopreservative and therapeutic regimens to treat
Y. enterocolitica
infections.
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25
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Abstract
Crohn's disease [CD] is an inflammatory bowel disease of unknown aetiology. During recent decades, significant technological advances led to development of -omic datasets allowing a detailed description of the disease. Unfortunately these have not, to date, resolved the question of the aetiology of CD. Thus, it may be necessary to [re]consider hypothesis-driven approaches to resolve the aetiology of CD. According to the cold chain hypothesis, the development of industrial and domestic refrigeration has led to frequent exposure of human populations to bacteria capable of growing in the cold. These bacteria, at low levels of exposure, particularly those of the genus Yersinia, are believed to be capable of inducing exacerbated inflammation of the intestine in genetically predisposed subjects. We discuss the consistency of this working hypothesis in light of recent data from epidemiological, clinical, pathological, microbiological, and molecular studies.
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Affiliation(s)
- Jean-Pierre Hugot
- Centre de recherche sur l’inflammation, UMR1149 INSERM and Université de Paris, Paris, France,Service des maladies digestives et respiratoires de l’enfant, Hôpital Robert Debré, Assistance Publique Hôpitaux de Paris, Paris, France,Corresponding author: Jean-Pierre Hugot, MD, PhD, Service des maladies digestives et respiratoires de l’enfant, Hôpital Robert Debré, 48 Bd Sérurier, F75019 Paris, France. Tel.: [33] 1 40 03 57 12; fax: [33] 1 40 03 57 66;
| | - Anne Dumay
- Centre de recherche sur l’inflammation, UMR1149 INSERM and Université de Paris, Paris, France
| | - Frédérick Barreau
- IRSD, UMR1220, Université de Toulouse, INSERM, INRA, ENVT, UPS, Toulouse, France
| | - Ulrich Meinzer
- Centre de recherche sur l’inflammation, UMR1149 INSERM and Université de Paris, Paris, France,Service des maladies digestives et respiratoires de l’enfant, Hôpital Robert Debré, Assistance Publique Hôpitaux de Paris, Paris, France
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26
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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: 0] [Impact Index Per Article: 0] [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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27
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Tominaga T. Rapid quantification of coliforms in ready‐to‐eat foods using lateral‐flow immunochromatographic assay. J Food Saf 2020. [DOI: 10.1111/jfs.12835] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Tatsuya Tominaga
- Division of Food Science and Biotechnology Saitama Industrial Technology Center North Institute Saitama Japan
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28
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Espenhain L, Riess M, Müller L, Colombe S, Ethelberg S, Litrup E, Jernberg C, Kühlmann-Berenzon S, Lindblad M, Hove NK, Torpdahl M, Mörk MJ. Cross-border outbreak of Yersinia enterocolitica O3 associated with imported fresh spinach, Sweden and Denmark, March 2019. ACTA ACUST UNITED AC 2020; 24. [PMID: 31213223 PMCID: PMC6582516 DOI: 10.2807/1560-7917.es.2019.24.24.1900368] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In April 2019, a cross-border outbreak of Yersinia entercolitica O3 was identified in Sweden and Denmark and confirmed using whole genome sequencing. Close cross-border collaboration with representatives from human and food authorities helped direct resources and investigations. Combined epidemiological and trace-back investigations pointed to imported fresh spinach as the outbreak vehicle and highlight that other vehicles of Y. enterocolitica outbreaks than pork should be considered.
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Affiliation(s)
- Laura Espenhain
- These authors contributed equally to the work and share first authorship.,Statens Serum Institut, Copenhagen, Denmark
| | - Maximilian Riess
- European Public Health Microbiology Training Programme (EUPHEM), European Centre for Disease Prevention and Control (ECDC), Solna, Sweden.,Public Health Agency of Sweden, Solna, Sweden.,These authors contributed equally to the work and share first authorship
| | | | - Soledad Colombe
- European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control (ECDC), Solna, Sweden.,Public Health Agency of Sweden, Solna, Sweden
| | - Steen Ethelberg
- Department of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.,Statens Serum Institut, Copenhagen, Denmark
| | - Eva Litrup
- Statens Serum Institut, Copenhagen, Denmark
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29
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Shoaib M, Shehzad A, Mukama O, Raza H, Niazi S, Khan IM, Ali B, Akhtar W, Wang Z. Selection of potential aptamers for specific growth stage detection of Yersinia enterocolitica. RSC Adv 2020; 10:24743-24752. [PMID: 35516186 PMCID: PMC9055141 DOI: 10.1039/d0ra00683a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 06/17/2020] [Indexed: 11/28/2022] Open
Abstract
Yersinia enterocolitica remains a threat to public health, and a sensitive detection method is a prerequisite due to its complicated diagnosis associated with slow growth. Recently, aptamer-based detection systems have played a vital role in the development of simple, rapid, sensitive, and specific detection methods. Herein, highly specific ssDNA aptamers were screened against Y. enterocolitica at the different growth stages by whole cell-SELEX. Cells at different growth stages were harvested and incubated with an ssDNA library to get an enriched pool of specific aptamer candidates. After the 10th round of SELEX, the enriched pool was sequenced and grouped into seven families based on homology and similarity of the secondary structure. Flow cytometry analysis revealed that the aptamers M1, M5, and M7 with K d values of 37.93 ± 7.88 nM, 74.96 ± 21.34 nM, and 73.02 ± 18.76 nM had the highest affinity and specificity to the target, respectively. The selected aptamers showed binding to the different growth stages of Y. enterocolitica with a significant increase in the gated fluorescence. Our aptamer selection strategy is convenient, and the developed aptamer can be useful for an accurate and reliable detection system.
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Affiliation(s)
- Muhammad Shoaib
- School of Food Science and Technology, Jiangnan University Wuxi 214122 People's Republic of China
- Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University Wuxi 214122 People's Republic of China
- National Institute of Food Science and Technology, FFNHS, University of Agriculture Faisalabad 38040 Pakistan
| | - Aamir Shehzad
- National Institute of Food Science and Technology, FFNHS, University of Agriculture Faisalabad 38040 Pakistan
- UniLaSalle, Univ. Artois, EA7519 - Transformations & Agro-ressources, Normandie Université F-76130 Mont-Saint-Aignan France
| | - Omar Mukama
- School of Food Science and Technology, Jiangnan University Wuxi 214122 People's Republic of China
- Department of Biology, College of Science and Technology, University of Rwanda Avenue de l'armée, P. O. Box: 3900 Kigali Rwanda
| | - Husnain Raza
- School of Food Science and Technology, Jiangnan University Wuxi 214122 People's Republic of China
- School of Food and Biological Engineering, Jiangsu University Zhenjiang Jiangsu 212013 People's Republic of China
- National Institute of Food Science and Technology, FFNHS, University of Agriculture Faisalabad 38040 Pakistan
| | - Sobia Niazi
- School of Food Science and Technology, Jiangnan University Wuxi 214122 People's Republic of China
- Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University Wuxi 214122 People's Republic of China
- National Institute of Food Science and Technology, FFNHS, University of Agriculture Faisalabad 38040 Pakistan
| | - Imran Mahmood Khan
- School of Food Science and Technology, Jiangnan University Wuxi 214122 People's Republic of China
- Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University Wuxi 214122 People's Republic of China
- National Institute of Food Science and Technology, FFNHS, University of Agriculture Faisalabad 38040 Pakistan
| | - Barkat Ali
- School of Food Science and Technology, Jiangnan University Wuxi 214122 People's Republic of China
| | - Wasim Akhtar
- School of Food Science and Technology, Jiangnan University Wuxi 214122 People's Republic of China
- Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University Wuxi 214122 People's Republic of China
- National Institute of Food Science and Technology, FFNHS, University of Agriculture Faisalabad 38040 Pakistan
| | - Zhouping Wang
- School of Food Science and Technology, Jiangnan University Wuxi 214122 People's Republic of China
- Synergetic Innovation Center of Food Safety and Nutrition, Jiangnan University Wuxi 214122 People's Republic of China
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30
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Ripolles-Avila C, Martínez-Garcia M, Capellas M, Yuste J, Fung DYC, Rodríguez-Jerez JJ. From hazard analysis to risk control using rapid methods in microbiology: A practical approach for the food industry. Compr Rev Food Sci Food Saf 2020; 19:1877-1907. [PMID: 33337076 DOI: 10.1111/1541-4337.12592] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 05/14/2020] [Accepted: 05/15/2020] [Indexed: 12/14/2022]
Abstract
The prevention of foodborne diseases is one of the main objectives of health authorities. To this effect, analytical techniques to detect and/or quantify the microbiological contamination of foods prior to their release onto the market are required. Management and control of foodborne pathogens have generally been based on conventional detection methodologies, which are not only time-consuming and labor-intensive but also involve high consumable materials costs. However, this management perspective has changed over time given that the food industry requires efficient analytical methods that obtain rapid results. This review covers the historical context of traditional methods and their passage in time through to the latest developments in rapid methods and their implementation in the food sector. Improvements and limitations in the detection of the most relevant pathogens are discussed from a perspective applicable to the current situation in the food industry. Considering efforts that are being done and recent developments, rapid and accurate methods already used in the food industry will be also affordable and portable and offer connectivity in near future, which improves decision-making and safety throughout the food chain.
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Affiliation(s)
- Carolina Ripolles-Avila
- Area of Human Nutrition and Food Science, Departament de Ciència Animal i dels Aliments, Facultat de Veterinària, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Maria Martínez-Garcia
- Area of Human Nutrition and Food Science, Departament de Ciència Animal i dels Aliments, Facultat de Veterinària, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Marta Capellas
- Area of Food Technology, Departament de Ciència Animal i dels Aliments, Facultat de Veterinària, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Josep Yuste
- Area of Food Technology, Departament de Ciència Animal i dels Aliments, Facultat de Veterinària, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Daniel Y C Fung
- Call Hall, Department of Animal Sciences and Industry, Kansas State University, Manhattan, Kansas
| | - José-Juan Rodríguez-Jerez
- Area of Human Nutrition and Food Science, Departament de Ciència Animal i dels Aliments, Facultat de Veterinària, Universitat Autònoma de Barcelona, Barcelona, Spain
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31
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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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32
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Francis MS, Auerbuch V. Editorial: The Pathogenic Yersiniae-Advances in the Understanding of Physiology and Virulence, Second Edition. Front Cell Infect Microbiol 2019; 9:119. [PMID: 31058103 PMCID: PMC6482262 DOI: 10.3389/fcimb.2019.00119] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Accepted: 04/03/2019] [Indexed: 11/13/2022] Open
Affiliation(s)
- Matthew S Francis
- Department of Molecular Biology, Umeå Centre for Microbial Research, Umeå University, Umeå, Sweden
| | - Victoria Auerbuch
- Department of Microbiology and Environmental Toxicology, University of California, Santa Cruz, Santa Cruz, CA, United States
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33
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Tominaga T. Rapid detection of coliform bacteria using a lateral flow test strip assay. J Microbiol Methods 2019; 160:29-35. [DOI: 10.1016/j.mimet.2019.03.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/16/2019] [Accepted: 03/16/2019] [Indexed: 12/17/2022]
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34
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Visual and Rapid Detection of Klebsiella pneumoniae by Magnetic Immunocapture-Loop-Mediated Isothermal Amplification Assay. Jundishapur J Microbiol 2019. [DOI: 10.5812/jjm.90016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
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35
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Yousefi H, Su HM, Imani SM, Alkhaldi K, M. Filipe CD, Didar TF. Intelligent Food Packaging: A Review of Smart Sensing Technologies for Monitoring Food Quality. ACS Sens 2019; 4:808-821. [PMID: 30864438 DOI: 10.1021/acssensors.9b00440] [Citation(s) in RCA: 193] [Impact Index Per Article: 38.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Food safety is a major factor affecting public health and the well-being of society. A possible solution to control food-borne illnesses is through real-time monitoring of the food quality throughout the food supply chain. The development of emerging technologies, such as active and intelligent packaging, has been greatly accelerated in recent years, with a focus on informing consumers about food quality. Advances in the fields of sensors and biosensors has enabled the development of new materials, devices, and multifunctional sensing systems to monitor the quality of food. In this Review, we place the focus on an in-depth summary of the recent technological advances that hold the potential for being incorporated into food packaging to ensure food quality, safety, or monitoring of spoilage. These advanced sensing systems usually target monitoring gas production, humidity, temperature, and microorganisms' growth within packaged food. The implementation of portable and simple-to-use hand-held devices is also discussed in this Review. We highlight the mechanical and optical properties of current materials and systems, along with various limitations associated with each device. The technologies discussed here hold great potential for applications in food packaging and bring us one step closer to enable real-time monitoring of food throughout the supply chain.
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Affiliation(s)
- Hanie Yousefi
- Leslie Dan Faculty of Pharmacy, University of Toronto, 144 College Street, Toronto, Ontario M5S 3M2, Canada
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36
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Identification and typing of Yersinia enterocolitica and Yersinia pseudotuberculosis isolated from human clinical specimens in England between 2004 and 2018. J Med Microbiol 2019; 68:538-548. [DOI: 10.1099/jmm.0.000943] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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37
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Shoaib M, Shehzad A, Raza H, Niazi S, Khan IM, Akhtar W, Safdar W, Wang Z. A comprehensive review on the prevalence, pathogenesis and detection ofYersinia enterocolitica. RSC Adv 2019; 9:41010-41021. [PMID: 35540058 PMCID: PMC9076465 DOI: 10.1039/c9ra06988g] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 10/31/2019] [Indexed: 01/23/2023] Open
Abstract
Food safety is imperative for a healthy life, but pathogens are still posing a significant life threat. “Yersiniosis” is caused by a pathogen named Yersinia enterocolitica and is characterized by diarrheal, ileitis, and mesenteric lymphadenitis types of sicknesses. This neglected pathogen starts its pathogenic activity by colonizing inside the intestinal tract of the host upon the ingestion of contaminated food. Y. enterocolitica remains a challenge for researchers and food handlers due to its growth habits, low concentrations in samples, morphological similarities with other bacteria and lack of rapid, cost-effective, and accurate detection methods. In this review, we presented recent information about its prevalence, biology, pathogenesis, and existing cultural, immunological, and molecular detection approaches. Our ultimate goal is to provide updated knowledge regarding this pathogen for the development of quick, effective, automated, and sensitive detection methods for the systematic detection of Y. enterocolitica. Food safety is imperative for a healthy life, but pathogens are still posing a significant life threat.![]()
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Affiliation(s)
- Muhammad Shoaib
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- China
- Synergetic Innovation Center of Food Safety and Nutrition
| | - Aamir Shehzad
- UniLaSalle
- Transformations & Agroressources Research Unit
- France
- National Institute of Food Science and Technology
- FFNHS
| | - Husnain Raza
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- China
- National Institute of Food Science and Technology
| | - Sobia Niazi
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- China
- National Institute of Food Science and Technology
| | - Imran Mahmood Khan
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- China
- Synergetic Innovation Center of Food Safety and Nutrition
| | - Wasim Akhtar
- Synergetic Innovation Center of Food Safety and Nutrition
- Jiangnan University
- Wuxi 214122
- People's Republic of China
| | - Waseem Safdar
- University Institute of Diet and Nutritional Sciences
- The University of Lahore-Islamabad Campus
- Islamabad
- Pakistan
| | - Zhouping Wang
- State Key Laboratory of Food Science and Technology
- Jiangnan University
- Wuxi
- China
- Synergetic Innovation Center of Food Safety and Nutrition
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38
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Influence of Metabolite Extraction Methods on 1H-NMR-Based Metabolomic Profiling of Enteropathogenic Yersinia. Methods Protoc 2018. [PMCID: PMC6481057 DOI: 10.3390/mps1040045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Metabolite extraction is one of the critical steps in microbial metabolome analysis. It affects both the observed metabolite content and biological interpretation of the data. Several methods exist for metabolite extraction of microbes, but the literature is not consistent regarding the sample model, adequacy, and performance of each method. In this study, an optimal extraction protocol for Yersinia intracellular metabolites was investigated. The effect of five extraction protocols consisting of different extraction solvent systems (60% methanol, 100% methanol, acetonitrile/methanol/water (2:2:1), chloroform/methanol/water (2:1:1), and 60% ethanol) on Yersinia metabolic profiles were compared. The number of detected peaks, sample-to-sample variation, and metabolite yield were used as criteria. Extracted metabolites were analyzed by 1H-NMR and principal component analysis (PCA), as well as partial least squares discriminant analysis (PLS-DA) multivariate statistics. The extraction protocol using 100% methanol as the extraction solvent provided the highest number of detected peaks for both Yersinia species analyzed, yielding more spectral information. Together with the reproducibility and spectrum quality, 100% methanol extraction was suitable for intracellular metabolite extraction from both species. However, depending on the metabolites of interest, other solvents might be more suitable for future studies, as distinct profiles were observed amongst the extraction methods.
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39
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Lerfall J, Jakobsen AN, Skipnes D, Waldenstrøm L, Hoel S, Rotabakk BT. Comparative Evaluation on the Quality and Shelf life of Atlantic Salmon (Salmo salar L.) Filets Using Microwave and Conventional Pasteurization in Combination with Novel Packaging Methods. J Food Sci 2018; 83:3099-3109. [PMID: 30440091 DOI: 10.1111/1750-3841.14384] [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: 06/19/2018] [Revised: 09/13/2018] [Accepted: 10/05/2018] [Indexed: 01/01/2023]
Abstract
A comparative evaluation on the effect of carbon dioxide (CO2 ) on quality and shelf life of Atlantic salmon loins pasteurized with microwave and conventional technology was conducted. The experimental design allowed CO2 to enter the salmon muscle before (soluble gas stabilization [SGS] + vacuum) or after pasteurization (CO2 emitter + vacuum), whereas the control samples (vacuum only) were not presented for CO2 . This setup resulted in six different groups; three heated with microwaves and three with conventional pasteurization. The core temperature of microwave samples was 58.8 ± 2.2 °C, whereas the surface temperature was equal to the oven temperature (62 °C) during conventional pasteurization and close to the core temperature during microwave pasteurization (57.6 ± 1.4 °C). Microwave-heated samples showed higher microbial growth; decreased shelf life; and darker (lower L* -value), more reddish (higher a* -value), and yellowish (higher b* -value) colors compared to conventional-heated salmon. Lowest liquid loss (LL) was observed in salmon packaged with the CO2 emitter, whereas a SGS step prior to pasteurization did not affect the LL negatively as compared to samples packaged in vacuum only. Treatment with CO2 , independent of the prestep using SGS or an emitter, resulted in increased shelf life. Protein denaturation, microbial growth, product color, product shelf life, and sensory properties of the salmon loin were significantly affected by the applied pasteurization method (microwave- or conventional pasteurization). However, the heat load was probably too high to detect differences resulting from the pretreatment using SGS or packaging with CO2 emitter. PRACTICAL APPLICATION: Recent developments with increased time pressure from both work and past time activities have led to a tremendous increase in the demand for convenient, tasty ready-to-use food options. Furthermore, contemporary trends for consumption of fresh or lightly processed seafood stress the need to develop processing methods that allow a fulfillment of these demands, while still offering a reasonable shelf life. Carbon dioxide in combination with either microwave or conventional pasteurization is innovative processing technology that can meet consumer's demand of such products.
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Affiliation(s)
- Jørgen Lerfall
- Dept. of Biotechnology and Food Science, Norwegian Univ. of Science and Technology (NTNU), NO-7491, Trondheim, Norway
| | - Anita Nordeng Jakobsen
- Dept. of Biotechnology and Food Science, Norwegian Univ. of Science and Technology (NTNU), NO-7491, Trondheim, Norway
| | - Dagbjørn Skipnes
- Dept. of Processing Technology, Nofima AS, P.O. Box 327, NO-4002, Stavanger, Norway
| | - Lene Waldenstrøm
- Dept. of Biotechnology and Food Science, Norwegian Univ. of Science and Technology (NTNU), NO-7491, Trondheim, Norway
| | - Sunniva Hoel
- Dept. of Biotechnology and Food Science, Norwegian Univ. of Science and Technology (NTNU), NO-7491, Trondheim, Norway
| | - Bjørn Tore Rotabakk
- Dept. of Processing Technology, Nofima AS, P.O. Box 327, NO-4002, Stavanger, Norway
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40
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Prudent E, Raoult D. Fluorescence in situ hybridization, a complementary molecular tool for the clinical diagnosis of infectious diseases by intracellular and fastidious bacteria. FEMS Microbiol Rev 2018; 43:88-107. [DOI: 10.1093/femsre/fuy040] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Accepted: 11/07/2018] [Indexed: 12/16/2022] Open
Affiliation(s)
- Elsa Prudent
- Aix Marseille Université, IRD, APHM, MEPHI, IHU-Méditerranée Infection, 19–21 Boulevard Jean Moulin, 13005 Marseille, France
| | - Didier Raoult
- Aix Marseille Université, IRD, APHM, MEPHI, IHU-Méditerranée Infection, 19–21 Boulevard Jean Moulin, 13005 Marseille, France
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41
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DA Costa Lima M, DA Conceição ML, Schaffner DW, DE Souza EL. Intrinsic Parameters and Bacterial Growth Prediction in a Brazilian Minimally Ripened Cheese (Coalho) during Refrigerated Storage. J Food Prot 2018; 81:1800-1809. [PMID: 30299978 DOI: 10.4315/0362-028x.jfp-18-265] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
This study evaluated the microbiological and physicochemical characteristics in different commercial brands of a Brazilian minimally ripened (coalho) cheese during 60 days of storage under refrigeration. Combinations of maximum and minimum values of water activity and pH determined in cheese samples at refrigeration temperature (7°C) were used in a bacterial growth prediction analysis. Maximum growth rate (Grmax) was estimated for different pathogenic and/or spoilage bacteria using the ComBase Predictor. Results of microbiological characterization analyses showed persistent high counts for all monitored microbial groups ( Lactobacillus spp., Lactococcus spp., Enterococcus spp., Staphylococcus spp., Enterobacteriaceae, proteolytic and lipolytic microorganisms, and fungi) in cheese samples; no dominant microbial group was observed over time. Values of pH (6.03 ± 0.16 to 7.28 ± 0.55), acidity (0.15% ± 0.09% to 0.66% ± 0.26%), sodium chloride (1.05% ± 0.19% to 1.97% ± 0.75%), and water activity (0.948 ± 0.020 to 0.974 ± 0.012) did not vary in cheese samples during storage. Estimated Grmax values for the tested bacteria were in the range of 0.004 to 0.044 log CFU/h. Highest Grmax values (0.005 to 0.044 log CFU/h) were predicted for the psychrotrophic Aeromonas hydrophila, Listeria monocytogenes, Pseudomonas spp., and Yersinia enterocolitica. Grmax values predicted for Escherichia coli, Salmonella spp., and Staphylococcus aureus were in the range of 0.004 to 0.016 log CFU/h. These results indicate unsatisfactory microbiological characteristics of commercially available coalho cheese. Physicochemical characteristics of commercial coalho cheese stored under refrigeration allow bacterial growth to occur, indicating higher risk for fast growth of contaminant bacteria in this product.
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Affiliation(s)
- Maiara DA Costa Lima
- 1 Laboratório de Microbiologia de Alimentos, Departamento de Nutrição, Universidade Federal da Paraíba, João Pessoa, Paraíba, 58051-900 Brazil
| | - Maria Lúcia DA Conceição
- 1 Laboratório de Microbiologia de Alimentos, Departamento de Nutrição, Universidade Federal da Paraíba, João Pessoa, Paraíba, 58051-900 Brazil
| | - Donald W Schaffner
- 2 Department of Food Science, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08901, USA
| | - Evandro Leite DE Souza
- 1 Laboratório de Microbiologia de Alimentos, Departamento de Nutrição, Universidade Federal da Paraíba, João Pessoa, Paraíba, 58051-900 Brazil
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42
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Le Baut G, O'Brien C, Pavli P, Roy M, Seksik P, Tréton X, Nancey S, Barnich N, Bezault M, Auzolle C, Cazals-Hatem D, Viala J, Allez M, Hugot JP, Dumay A. Prevalence of Yersinia Species in the Ileum of Crohn's Disease Patients and Controls. Front Cell Infect Microbiol 2018; 8:336. [PMID: 30298122 PMCID: PMC6160741 DOI: 10.3389/fcimb.2018.00336] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 08/30/2018] [Indexed: 01/12/2023] Open
Abstract
Yersinia are common contaminants of food products, but their prevalence in the human gut is poorly documented. Yersinia have been implicated in Crohn's Disease (CD, an inflammatory bowel disease) however their role in CD is controversial. We performed highly sensitive PCR assays of specific sequences for the gyrB gene of Y. aldovae, Y. bercovieri, Y. enterocolitica, Y. intermedia, Y. mollaretii and the inv gene of Y. pseudotuberculosis. We analyzed a total of 470 ileal samples taken from 338 participants (262 CD patients and 76 controls) belonging to three independent cohorts. All patients and controls were phenotyped and genotyped for the main CD susceptibility variants: NOD2, ATG16L1, and IRGM. Yersinia were found in 7.7% of ileal samples (respectively 7.9 and 7.6% in controls and CD patients) corresponding to 10% of participants (respectively 11.8 and 9.5% in controls and CD patients). Y. enterocolitica, Y. pseudotuberculosis and Y. intermedia were the most frequently identified species. The bacteria were more frequent in resected specimens, lymph nodes and Peyer's patches. Yersinia were no more likely to be detected in CD tissues than tissues from inflammatory and non-inflammatory controls. CD patients treated with immunosuppressants were less likely to be Yersinia carriers. In conclusion, this work shows that Yersinia species are frequently found at low levels in the human ileum in health and disease. The role of Yersinia species in this ecosystem should now be explored.
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Affiliation(s)
- Guillaume Le Baut
- UMR1149 INSERM, Research Centre on Inflammation, Université Paris Diderot-Sorbonne Paris-Cité, Paris, France.,Department of Gastroenterology and Nutrition, Centre Hospitalier Universitaire de Caen, Caen, France
| | - Claire O'Brien
- IBD Research Group, Canberra Hospital, Canberra, ACT, Australia.,Australian National University Medical School, Canberra, ACT, Australia
| | - Paul Pavli
- IBD Research Group, Canberra Hospital, Canberra, ACT, Australia.,Australian National University Medical School, Canberra, ACT, Australia
| | - Maryline Roy
- UMR1149 INSERM, Research Centre on Inflammation, Université Paris Diderot-Sorbonne Paris-Cité, Paris, France
| | - Philippe Seksik
- Gastroenterology Unit, CNRS, INSERM, ERL 1157, LBM, APHP, Saint Antoine Hospital, Sorbonne Universités, UPMC Univ Paris 06, Ecole Normale Superieure, Paris, France
| | - Xavier Tréton
- UMR1149 INSERM, Research Centre on Inflammation, Université Paris Diderot-Sorbonne Paris-Cité, Paris, France.,Departments of Gastroenterology and Pathology, Hôpital Beaujon, Assistance Publique Hopitaux de Paris, Paris, France
| | - Stéphane Nancey
- Department of Gastroenterology, Hospices Civils de Lyon, Lyon-Sud Hospital, Pierre-Bénite, France.,INSERM U1111, International Center for Research in Infectiology, Lyon, France
| | - Nicolas Barnich
- UMR 1071 Inserm/Université d'Auvergne, USC-INRA 2018, Microbes, Intestin, Inflammation et Susceptibilité de l'Hôte (M2iSH), CRNH Auvergne, Clermont-Ferrand, France
| | - Madeleine Bezault
- Department of Gastroenterology, Saint-Louis Hospital, APHP, INSERM U1160, University Denis Diderot, Paris, France
| | - Claire Auzolle
- Department of Gastroenterology, Saint-Louis Hospital, APHP, INSERM U1160, University Denis Diderot, Paris, France
| | - Dominique Cazals-Hatem
- UMR1149 INSERM, Research Centre on Inflammation, Université Paris Diderot-Sorbonne Paris-Cité, Paris, France.,Departments of Gastroenterology and Pathology, Hôpital Beaujon, Assistance Publique Hopitaux de Paris, Paris, France
| | - Jérome Viala
- UMR1149 INSERM, Research Centre on Inflammation, Université Paris Diderot-Sorbonne Paris-Cité, Paris, France.,Department of Pediatric Gastroenterology, Hôpital Robert Debré, Assistance-Publique Hôpitaux de Paris, Paris, France
| | - Matthieu Allez
- Department of Gastroenterology, Saint-Louis Hospital, APHP, INSERM U1160, University Denis Diderot, Paris, France
| | | | - Jean-Pierre Hugot
- UMR1149 INSERM, Research Centre on Inflammation, Université Paris Diderot-Sorbonne Paris-Cité, Paris, France.,Department of Pediatric Gastroenterology, Hôpital Robert Debré, Assistance-Publique Hôpitaux de Paris, Paris, France
| | - Anne Dumay
- UMR1149 INSERM, Research Centre on Inflammation, Université Paris Diderot-Sorbonne Paris-Cité, Paris, France
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Detection, virulence and antimicrobial resistance of Yersinia enterocolitica in bulk tank milk in Italy. Int Dairy J 2018. [DOI: 10.1016/j.idairyj.2018.04.003] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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44
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Yersinia enterocolitica in a Brazilian pork production chain: Tracking of contamination routes, virulence and antimicrobial resistance. Int J Food Microbiol 2018; 276:5-9. [DOI: 10.1016/j.ijfoodmicro.2018.03.028] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 03/02/2018] [Accepted: 03/30/2018] [Indexed: 01/25/2023]
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45
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Delahoy MJ, Wodnik B, McAliley L, Penakalapati G, Swarthout J, Freeman MC, Levy K. Pathogens transmitted in animal feces in low- and middle-income countries. Int J Hyg Environ Health 2018; 221:661-676. [PMID: 29729998 PMCID: PMC6013280 DOI: 10.1016/j.ijheh.2018.03.005] [Citation(s) in RCA: 88] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Revised: 02/20/2018] [Accepted: 03/14/2018] [Indexed: 02/04/2023]
Abstract
Animals found in close proximity to humans in low-and middle-income countries (LMICs) harbor many pathogens capable of infecting humans, transmissible via their feces. Contact with animal feces poses a currently unquantified-though likely substantial-risk to human health. In LMIC settings, human exposure to animal feces may explain some of the limited success of recent water, sanitation, and hygiene interventions that have focused on limiting exposure to human excreta, with less attention to containing animal feces. We conducted a review to identify pathogens that may substantially contribute to the global burden of disease in humans through their spread in animal feces in the domestic environment in LMICs. Of the 65 potentially pathogenic organisms considered, 15 were deemed relevant, based on burden of disease and potential for zoonotic transmission. Of these, five were considered of highest concern based on a substantial burden of disease for which transmission in animal feces is potentially important: Campylobacter, non-typhoidal Salmonella (NTS), Lassa virus, Cryptosporidium, and Toxoplasma gondii. Most of these have a wide range of animal hosts, except Lassa virus, which is spread through the feces of rats indigenous to sub-Saharan Africa. Combined, these five pathogens cause close to one million deaths annually. More than half of these deaths are attributed to invasive NTS. We do not estimate an overall burden of disease from improperly managed animal feces in LMICs, because it is unknown what proportion of illnesses caused by these pathogens can be attributed to contact with animal feces. Typical water quantity, water quality, and handwashing interventions promoted in public health and development address transmission routes for both human and animal feces; however, sanitation interventions typically focus on containing human waste, often neglecting the residual burden of disease from pathogens transmitted via animal feces. This review compiles evidence on which pathogens may contribute to the burden of disease through transmission in animal feces; these data will help prioritize intervention types and regions that could most benefit from interventions aimed at reducing human contact with animal feces.
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Affiliation(s)
- Miranda J Delahoy
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Breanna Wodnik
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Lydia McAliley
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Gauthami Penakalapati
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Jenna Swarthout
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Matthew C Freeman
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA
| | - Karen Levy
- Department of Environmental Health, Emory University Rollins School of Public Health, 1518 Clifton Road NE, Atlanta, GA 30322, USA.
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Tominaga T. Rapid detection of Klebsiella pneumoniae, Klebsiella oxytoca, Raoultella ornithinolytica and other related bacteria in food by lateral-flow test strip immunoassays. J Microbiol Methods 2018. [DOI: 10.1016/j.mimet.2018.02.015] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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47
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Identification of Yersinia at the Species and Subspecies Levels Is Challenging. CURRENT CLINICAL MICROBIOLOGY REPORTS 2018. [DOI: 10.1007/s40588-018-0088-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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48
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Horne S, Schroeder M, Murphy J, Prüβ B. Acetoacetate and ethyl acetoacetate as novel inhibitors of bacterial biofilm. Lett Appl Microbiol 2018; 66:329-339. [DOI: 10.1111/lam.12852] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 01/09/2018] [Accepted: 01/09/2018] [Indexed: 12/20/2022]
Affiliation(s)
- S.M. Horne
- Department of Microbiological Sciences North Dakota State University Fargo ND USA
| | - M. Schroeder
- Department of Microbiological Sciences North Dakota State University Fargo ND USA
| | - J. Murphy
- Department of Microbiological Sciences North Dakota State University Fargo ND USA
| | - B.M. Prüβ
- Department of Microbiological Sciences North Dakota State University Fargo ND USA
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49
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Single walled carbon nanotube based biosensor for detection of peanut allergy-inducing protein ara h1. KOREAN J CHEM ENG 2017. [DOI: 10.1007/s11814-017-0259-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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50
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Enhanced sensitivity of lateral-flow test strip immunoassays using colloidal palladium nanoparticles and horseradish peroxidase. Lebensm Wiss Technol 2017. [DOI: 10.1016/j.lwt.2017.08.027] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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