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Timme RE, Pfefer T, Bias CH, Allard MW, Huang X, Strain E, Balkey M. A Comprehensive Guide to Quality Assessment and Data Submission for Genomic Surveillance of Enteric Pathogens. Methods Mol Biol 2025; 2852:199-209. [PMID: 39235746 DOI: 10.1007/978-1-0716-4100-2_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/06/2024]
Abstract
This document outlines the steps necessary to assemble and submit the standard data package required for contributing to the global genomic surveillance of enteric pathogens. Although targeted to GenomeTrakr laboratories and collaborators, these protocols are broadly applicable for enteric pathogens collected for different purposes. There are five protocols included in this chapter: (1) quality control (QC) assessment for the genome sequence data, (2) validation for the contextual data, (3) data submission for the standard pathogen package or Pathogen Data Object Model (DOM) to the public repository, (4) viewing and querying data at NCBI, and (5) data curation for maintaining relevance of public data. The data are available through one of the International Nucleotide Sequence Database Consortium (INSDC) members, with the National Center for Biotechnology Information (NCBI) being the primary focus of this document. NCBI Pathogen Detection is a custom dashboard at NCBI that provides easy access to pathogen data plus results for a standard suite of automated cluster and genotyping analyses important for informing public health and regulatory decision-making.
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Affiliation(s)
- Ruth E Timme
- Center for Food Safety & Applied Nutrition, U.S. Food & Drug Administration, College Park, MD, USA.
| | - Tina Pfefer
- Center for Food Safety & Applied Nutrition, U.S. Food & Drug Administration, College Park, MD, USA
| | - C Hope Bias
- Oak Ridge Institute for Science and Education, U.S. Department of Energy, Oak Ridge, TN, USA
| | - Marc W Allard
- Center for Food Safety & Applied Nutrition, U.S. Food & Drug Administration, College Park, MD, USA
| | - Xinyang Huang
- Joint Institute for Food Safety and Applied Nutrition (JIFSAN), University of Maryland - College Park, College Park, MD, USA
| | - Errol Strain
- Center for Food Safety & Applied Nutrition, U.S. Food & Drug Administration, College Park, MD, USA
| | - Maria Balkey
- Center for Food Safety & Applied Nutrition, U.S. Food & Drug Administration, College Park, MD, USA
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2
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Huang X, Toro M, Reyes-Jara A, Moreno-Switt AI, Adell AD, Oliveira CJB, Bonelli RR, Gutiérrez S, Álvarez FP, Rocha ADDL, Kraychete GB, Chen Z, Grim C, Brown E, Bell R, Meng J. Integrative genome-centric metagenomics for surface water surveillance: Elucidating microbiomes, antimicrobial resistance, and their associations. WATER RESEARCH 2024; 264:122208. [PMID: 39116611 DOI: 10.1016/j.watres.2024.122208] [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: 01/05/2024] [Revised: 07/30/2024] [Accepted: 08/01/2024] [Indexed: 08/10/2024]
Abstract
Surface water ecosystems are intimately intertwined with anthropogenic activities and have significant public health implications as primary sources of irrigation water in agricultural production. Our extensive metagenomic analysis examined 404 surface water samples from four different geological regions in Chile and Brazil, spanning irrigation canals (n = 135), rivers (n = 121), creeks (n = 74), reservoirs (n = 66), and ponds (n = 8). Overall, 50.25 % of the surface water samples contained at least one of the pathogenic or contaminant bacterial genera (Salmonella: 29.21 %; Listeria: 6.19 %; Escherichia: 35.64 %). Furthermore, a total of 1,582 antimicrobial resistance (AMR) gene clusters encoding resistance to 25 antimicrobial classes were identified, with samples from Brazil exhibiting an elevated AMR burden. Samples from stagnant water sources were characterized by dominant Cyanobacteriota populations, resulting in significantly reduced biodiversity and more uniform community compositions. A significant association between taxonomic composition and the resistome was supported by a Procrustes analysis (p < 0.001). Notably, regional signatures were observed regarding the taxonomic and resistome profiles, as samples from the same region clustered together on both ordinates. Additionally, network analysis illuminated the intricate links between taxonomy and AMR at the contig level. Our deep sequencing efforts not only mapped the microbial landscape but also expanded the genomic catalog with newly characterized metagenome-assembled genomes (MAGs), boosting the classification of reads by 12.85 %. In conclusion, this study underscores the value of metagenomic approaches in surveillance of surface waters, enhancing our understanding of microbial and AMR dynamics with far-reaching public health and ecological ramifications.
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Affiliation(s)
- Xinyang Huang
- Joint Institute for Food Safety and Applied Nutrition (JIFSAN), Food Safety and Security Systems (CFS(3)), University of Maryland, College Park, MD, USA
| | - Magaly Toro
- Joint Institute for Food Safety and Applied Nutrition (JIFSAN), Food Safety and Security Systems (CFS(3)), University of Maryland, College Park, MD, USA; Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile, Santiago, Chile
| | - Angélica Reyes-Jara
- Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile, Santiago, Chile
| | - Andrea I Moreno-Switt
- Escuela de Medicina Veterinaria, Facultad de Agronomía e Ingeniería Forestal, Facultad de Ciencias Biológicas, Facultad de Medicina, Pontificia Universidad Católica de Chile (PUC), Santiago, Chile
| | - Aiko D Adell
- Escuela de Medicina Veterinaria, Facultad de Ciencias de La Vida, Universidad Andrés Bello, Santiago, Chile
| | - Celso J B Oliveira
- Laboratório de Avaliação de Produtos de Origem Animal, Centro de Ciências Agrárias, Universidade Federal da Paraíba (UFPB), Areia, Brazil
| | - Raquel R Bonelli
- Laboratório de Investigação em Microbiologia Médica, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Sebastián Gutiérrez
- Instituto de Nutrición y Tecnología de los Alimentos (INTA), Universidad de Chile, Santiago, Chile
| | - Francisca P Álvarez
- Escuela de Medicina Veterinaria, Facultad de Agronomía e Ingeniería Forestal, Facultad de Ciencias Biológicas, Facultad de Medicina, Pontificia Universidad Católica de Chile (PUC), Santiago, Chile
| | - Alan Douglas de Lima Rocha
- Laboratório de Avaliação de Produtos de Origem Animal, Centro de Ciências Agrárias, Universidade Federal da Paraíba (UFPB), Areia, Brazil
| | - Gabriela B Kraychete
- Laboratório de Investigação em Microbiologia Médica, Instituto de Microbiologia Paulo de Góes, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Zhao Chen
- Joint Institute for Food Safety and Applied Nutrition (JIFSAN), Food Safety and Security Systems (CFS(3)), University of Maryland, College Park, MD, USA
| | - Christopher Grim
- Center for Food Safety and Applied Nutrition (CFSAN), Food and Drug Administration, College Park, MD, USA
| | - Eric Brown
- Center for Food Safety and Applied Nutrition (CFSAN), Food and Drug Administration, College Park, MD, USA
| | - Rebecca Bell
- Center for Food Safety and Applied Nutrition (CFSAN), Food and Drug Administration, College Park, MD, USA
| | - Jianghong Meng
- Joint Institute for Food Safety and Applied Nutrition (JIFSAN), Food Safety and Security Systems (CFS(3)), University of Maryland, College Park, MD, USA.
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3
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Muruvanda T, Rand H, Pettengill J, Pightling A. RIPS (rapid intuitive pathogen surveillance): a tool for surveillance of genome sequence data from foodborne bacterial pathogens. FRONTIERS IN BIOINFORMATICS 2024; 4:1415078. [PMID: 39184336 PMCID: PMC11341538 DOI: 10.3389/fbinf.2024.1415078] [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: 04/09/2024] [Accepted: 07/30/2024] [Indexed: 08/27/2024] Open
Abstract
Monitoring data submitted to the National Center for Biotechnology Information's Pathogen Detection whole-genome sequence database, which includes the foodborne bacterial pathogens Listeria monocytogenes, Salmonella enterica, and Escherichia coli, has proven effective for detecting emerging outbreaks. As part of the submission process, new sequence data are typed using a whole-genome multi-locus sequence typing scheme and clustered with sequences already in the database. Publicly available text files contain the results of these analyses. However, contextualizing and interpreting this information is complex. We present the Rapid Intuitive Pathogen Surveillance (RIPS) tool, which shows the results of the NCBI Rapid Reports, along with appropriate metadata, in a graphical, interactive dashboard. RIPS makes the information in the Rapid Reports useful for real-time surveillance of genome sequence databases.
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Affiliation(s)
- Tim Muruvanda
- Center for Food Safety and Applied Nutrition, Food and Drug Administration, College Park, MD, United States
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Yin L, Pettengill JB. Prospective modeling and estimating the epidemiologically informative match rate within large foodborne pathogen genomic databases. BMC Res Notes 2024; 17:191. [PMID: 38982485 PMCID: PMC11232179 DOI: 10.1186/s13104-024-06847-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Accepted: 06/25/2024] [Indexed: 07/11/2024] Open
Abstract
OBJECTIVES Much has been written about the utility of genomic databases to public health. Within food safety these databases contain data from two types of isolates-those from patients (i.e., clinical) and those from non-clinical sources (e.g., a food manufacturing environment). A genetic match between isolates from these sources represents a signal of interest. We investigate the match rate within three large genomic databases (Listeria monocytogenes, Escherichia coli, and Salmonella) and the smaller Cronobacter database; the databases are part of the Pathogen Detection project at NCBI (National Center for Biotechnology Information). RESULTS Currently, the match rate of clinical isolates to non-clinical isolates is 33% for L. monocytogenes, 46% for Salmonella, and 7% for E. coli. These match rates are associated with several database features including the diversity of the organism, the database size, and the proportion of non-clinical BioSamples. Modeling match rate via logistic regression showed relatively good performance. Our prediction model illustrates the importance of populating databases with non-clinical isolates to better identify a match for clinical samples. Such information should help public health officials prioritize surveillance strategies and show the critical need to populate fledgling databases (e.g., Cronobacter sakazakii).
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Affiliation(s)
- Lanlan Yin
- Biostatistics and Bioinformatics Staff, Office of Analytics and Outreach, Center for Food Safety and Applied Nutrition, U. S. Food and Drug Administration, College Park, MA, USA
| | - James B Pettengill
- Biostatistics and Bioinformatics Staff, Office of Analytics and Outreach, Center for Food Safety and Applied Nutrition, U. S. Food and Drug Administration, College Park, MA, USA.
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5
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Griffiths EJ, Mendes I, Maguire F, Guthrie JL, Wee BA, Schmedes S, Holt K, Yadav C, Cameron R, Barclay C, Dooley D, MacCannell D, Chindelevitch L, Karsch-Mizrachi I, Waheed Z, Katz L, Petit III R, Dave M, Oluniyi P, Nasar MI, Raphenya A, Hsiao WWL, Timme RE. PHA4GE quality control contextual data tags: standardized annotations for sharing public health sequence datasets with known quality issues to facilitate testing and training. Microb Genom 2024; 10:001260. [PMID: 38860884 PMCID: PMC11261899 DOI: 10.1099/mgen.0.001260] [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: 03/23/2024] [Accepted: 05/22/2024] [Indexed: 06/12/2024] Open
Abstract
As public health laboratories expand their genomic sequencing and bioinformatics capacity for the surveillance of different pathogens, labs must carry out robust validation, training, and optimization of wet- and dry-lab procedures. Achieving these goals for algorithms, pipelines and instruments often requires that lower quality datasets be made available for analysis and comparison alongside those of higher quality. This range of data quality in reference sets can complicate the sharing of sub-optimal datasets that are vital for the community and for the reproducibility of assays. Sharing of useful, but sub-optimal datasets requires careful annotation and documentation of known issues to enable appropriate interpretation, avoid being mistaken for better quality information, and for these data (and their derivatives) to be easily identifiable in repositories. Unfortunately, there are currently no standardized attributes or mechanisms for tagging poor-quality datasets, or datasets generated for a specific purpose, to maximize their utility, searchability, accessibility and reuse. The Public Health Alliance for Genomic Epidemiology (PHA4GE) is an international community of scientists from public health, industry and academia focused on improving the reproducibility, interoperability, portability, and openness of public health bioinformatic software, skills, tools and data. To address the challenges of sharing lower quality datasets, PHA4GE has developed a set of standardized contextual data tags, namely fields and terms, that can be included in public repository submissions as a means of flagging pathogen sequence data with known quality issues, increasing their discoverability. The contextual data tags were developed through consultations with the community including input from the International Nucleotide Sequence Data Collaboration (INSDC), and have been standardized using ontologies - community-based resources for defining the tag properties and the relationships between them. The standardized tags are agnostic to the organism and the sequencing technique used and thus can be applied to data generated from any pathogen using an array of sequencing techniques. The tags can also be applied to synthetic (lab created) data. The list of standardized tags is maintained by PHA4GE and can be found at https://github.com/pha4ge/contextual_data_QC_tags. Definitions, ontology IDs, examples of use, as well as a JSON representation, are provided. The PHA4GE QC tags were tested, and are now implemented, by the FDA's GenomeTrakr laboratory network as part of its routine submission process for SARS-CoV-2 wastewater surveillance. We hope that these simple, standardized tags will help improve communication regarding quality control in public repositories, in addition to making datasets of variable quality more easily identifiable. Suggestions for additional tags can be submitted to PHA4GE via the New Term Request Form in the GitHub repository. By providing a mechanism for feedback and suggestions, we also expect that the tags will evolve with the needs of the community.
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Affiliation(s)
- Emma J. Griffiths
- Centre for Infectious Disease Genomics and One Health, Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Inês Mendes
- Theiagen Genomics, LLC, Highlands Ranch, Colorado, USALLC, Highlands Ranch, Colorado, USA
| | - Finlay Maguire
- Department of Community Health & Epidemiology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada, and Faculty of Computer Science, Dalhousie University, Halifax, Nova Scotia, Canada
| | - Jennifer L. Guthrie
- Department of Microbiology & Immunology, Western University, London, Ontario, Canada
| | - Bryan A. Wee
- The Roslin Institute, University of Edinburgh, Edinburgh, UK
| | - Sarah Schmedes
- National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Georgia, USA
| | - Kathryn Holt
- National Microbiology Laboratory, Public health Agency of Canada, Winnipeg, MB, Canada
| | - Chanchal Yadav
- National Microbiology Laboratory, Public health Agency of Canada, Winnipeg, MB, Canada
| | - Rhiannon Cameron
- Centre for Infectious Disease Genomics and One Health, Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Charlotte Barclay
- Centre for Infectious Disease Genomics and One Health, Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Damion Dooley
- Centre for Infectious Disease Genomics and One Health, Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Duncan MacCannell
- National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention, Georgia, USA
| | - Leonid Chindelevitch
- Department of Infection Biology, London School of Hygiene and Tropical Medicine, London, UK
- MRC Centre for Global Infectious Disease Analysis, School of Public Health, Imperial College London, London, UK
| | - Ilene Karsch-Mizrachi
- National Center for Biotechnology Information, National Library of Medicine, National Institutes of Health, Bethesda, MD, USA
| | - Zahra Waheed
- European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, UK
| | - Lee Katz
- Center for Food Safety, University of Georgia, Georgia, USA
| | | | - Mugdha Dave
- McMaster University, Hamilton, Ontario, Canada
| | | | - Muhammad Ibtisam Nasar
- Department of Biology, College of Science, United Arab Emirates University- AL Ain, Abu Dhabi, UAE
| | - Amogelang Raphenya
- Michael G. DeGroote Institute for Infectious Disease Research, McMaster University, Hamilton, Ontario, Canada
| | - William W. L. Hsiao
- Centre for Infectious Disease Genomics and One Health, Faculty of Health Sciences, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Ruth E. Timme
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, College Park, Maryland, USA
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Gómez-Baltazar A, Godínez-Oviedo A, Vázquez-Marrufo G, Vázquez-Garcidueñas MS, Hernández-Iturriaga M. Genomic analysis of the MLST population structure and antimicrobial resistance genes associated with Salmonella enterica in Mexico. Genome 2023; 66:319-332. [PMID: 37478495 DOI: 10.1139/gen-2023-0007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/23/2023]
Abstract
Salmonella enterica is one of the most commonly reported foodborne pathogens by public health agencies worldwide. In this study, the multilocus sequence typing (MLST) population structure and frequency of antimicrobial resistance (AMR) genes were evaluated in S. enterica strains from Mexico (n = 2561). The most common sources of isolation were food (44.28%), environment (27.41%), animal-related (24.83%), and human (3.48%). The most prevalent serovars were Newport (8.51%), Oranienburg (7.03%), Anatum (5.78%), Typhimurium (5.12%), and Infantis (4.57%). As determined by the 7-gene MLST scheme, the most frequent sequence types were ST23, ST64, and ST32. The core genome MLST scheme identified 132 HC2000 and 195 HC900 hierarchical clusters, with the HC2000_2 cluster being the most prevalent in Mexico (n = 256). A total of 78 different AMR genes belonging to 13 antimicrobial classes were detected in 638 genomic assemblies of S. enterica. The most frequent class was aminoglycosides (31.76%), followed by tetracyclines (12.53%) and sulfonamides (11.91%). These results can help public health agencies in Mexico prioritize their efforts and resources to increase the genomic sequencing of circulating Salmonella strains. Additionally, they provide valuable information for local and global public health efforts to reduce the impact of foodborne diseases and AMR.
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Affiliation(s)
- Adrián Gómez-Baltazar
- Departamento de Investigación y Posgrado en Alimentos, Facultad de Química, Universidad Autónoma de Querétaro, Santiago de Querétaro C.P. 76010, Querétaro, Mexico
| | - Angélica Godínez-Oviedo
- Departamento de Investigación y Posgrado en Alimentos, Facultad de Química, Universidad Autónoma de Querétaro, Santiago de Querétaro C.P. 76010, Querétaro, Mexico
| | - Gerardo Vázquez-Marrufo
- Centro Multidisciplinario de Estudios en Biotecnología, Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolás de Hidalgo, Tarímbaro C.P. 58893, Michoacán, Mexico
| | - Ma Soledad Vázquez-Garcidueñas
- División de Estudios de Posgrado, Facultad de Ciencias Médicas y Biológicas "Dr. Ignacio Chávez," Universidad Michoacana de San Nicolás de Hidalgo, Morelia C.P. 58020, Michoacán, Mexico
| | - Montserrat Hernández-Iturriaga
- Departamento de Investigación y Posgrado en Alimentos, Facultad de Química, Universidad Autónoma de Querétaro, Santiago de Querétaro C.P. 76010, Querétaro, Mexico
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7
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Baker KS, Jauneikaite E, Hopkins KL, Lo SW, Sánchez-Busó L, Getino M, Howden BP, Holt KE, Musila LA, Hendriksen RS, Amoako DG, Aanensen DM, Okeke IN, Egyir B, Nunn JG, Midega JT, Feasey NA, Peacock SJ. Genomics for public health and international surveillance of antimicrobial resistance. THE LANCET. MICROBE 2023; 4:e1047-e1055. [PMID: 37977162 DOI: 10.1016/s2666-5247(23)00283-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 08/16/2023] [Accepted: 08/22/2023] [Indexed: 11/19/2023]
Abstract
Historically, epidemiological investigation and surveillance for bacterial antimicrobial resistance (AMR) has relied on low-resolution isolate-based phenotypic analyses undertaken at local and national reference laboratories. Genomic sequencing has the potential to provide a far more high-resolution picture of AMR evolution and transmission, and is already beginning to revolutionise how public health surveillance networks monitor and tackle bacterial AMR. However, the routine integration of genomics in surveillance pipelines still has considerable barriers to overcome. In 2022, a workshop series and online consultation brought together international experts in AMR and pathogen genomics to assess the status of genomic applications for AMR surveillance in a range of settings. Here we focus on discussions around the use of genomics for public health and international AMR surveillance, noting the potential advantages of, and barriers to, implementation, and proposing recommendations from the working group to help to drive the adoption of genomics in public health AMR surveillance. These recommendations include the need to build capacity for genome sequencing and analysis, harmonising and standardising surveillance systems, developing equitable data sharing and governance frameworks, and strengthening interactions and relationships among stakeholders at multiple levels.
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Affiliation(s)
- Kate S Baker
- Department for Clinical Infection, Microbiology, and Immunology, University of Liverpool, Liverpool, UK; Department of Genetics, University of Cambridge, Cambridge, UK.
| | - Elita Jauneikaite
- Department of Infectious Disease Epidemiology, School of Public Health, Imperial College London, London, UK; NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Imperial College London, Hammersmith Hospital, London, UK
| | - Katie L Hopkins
- HCAI, Fungal, AMR, AMU & Sepsis Division, UK Health Security Agency, London, UK; Antimicrobial Resistance and Healthcare Associated Infections Reference Unit, UK Health Security Agency, London, UK
| | - Stephanie W Lo
- Parasites and Microbes, Wellcome Sanger Institute, Hinxton, UK
| | - Leonor Sánchez-Busó
- Genomics and Health Area, Foundation for the Promotion of Health and Biomedical Research in the Valencian Community (FISABIO-Public Health), Valencia, Spain; CIBERESP, ISCIII, Madrid, Spain
| | - Maria Getino
- NIHR Health Protection Research Unit in Healthcare Associated Infections and Antimicrobial Resistance, Department of Infectious Disease, Imperial College London, Hammersmith Hospital, London, UK
| | - Benjamin P Howden
- The Centre for Pathogen Genomics, Doherty Institute, The University of Melbourne, Melbourne, VIC, Australia
| | - Kathryn E Holt
- Department of Infection Biology, London School of Hygiene & Tropical Medicine, London, UK; Department of Infectious Diseases, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Lillian A Musila
- Department of Emerging Infectious Diseases, United States Army Medical Research Directorate - Africa, Nairobi, Kenya; Kenya Medical Research Institute, Nairobi, Kenya
| | - Rene S Hendriksen
- National Food Institute, Technical University of Denmark, Lyngby, Denmark
| | - Daniel G Amoako
- Centre for Respiratory Diseases and Meningitis, National Institute for Communicable Diseases, Johannesburg, South Africa; School of Health Sciences, University of KwaZulu-Natal, Durban, South Africa; Department of Pathobiology, University of Guelph, Guelph, ON, Canada
| | - David M Aanensen
- Centre for Genomic Pathogen Surveillance, Nuffield Department of Medicine, University of Oxford, Big Data Institute, Oxford, UK
| | - Iruka N Okeke
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, University of Ibadan, Ibadan, Oyo State, Nigeria
| | - Beverly Egyir
- Department of Bacteriology, Noguchi Memorial Institute for Medical Research, University of Ghana, Legon-Accra, Ghana, West Africa
| | - Jamie G Nunn
- Infectious Disease Challenge Area, Wellcome Trust, London, UK
| | | | - Nicholas A Feasey
- Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK; Malawi Liverpool Wellcome Research Programme, Malawi
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8
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Neves A, Cuesta I, Hjerde E, Klemetsen T, Salgado D, van Helden J, Rahman N, Fatima N, Karathanasis N, Zmora P, Åkerström WN, Grellscheid SN, Waheed Z, Blomberg N. FAIR+E pathogen data for surveillance and research: lessons from COVID-19. Front Public Health 2023; 11:1289945. [PMID: 38074768 PMCID: PMC10703184 DOI: 10.3389/fpubh.2023.1289945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 10/30/2023] [Indexed: 12/18/2023] Open
Abstract
The COVID-19 pandemic has exemplified the importance of interoperable and equitable data sharing for global surveillance and to support research. While many challenges could be overcome, at least in some countries, many hurdles within the organizational, scientific, technical and cultural realms still remain to be tackled to be prepared for future threats. We propose to (i) continue supporting global efforts that have proven to be efficient and trustworthy toward addressing challenges in pathogen molecular data sharing; (ii) establish a distributed network of Pathogen Data Platforms to (a) ensure high quality data, metadata standardization and data analysis, (b) perform data brokering on behalf of data providers both for research and surveillance, (c) foster capacity building and continuous improvements, also for pandemic preparedness; (iii) establish an International One Health Pathogens Portal, connecting pathogen data isolated from various sources (human, animal, food, environment), in a truly One Health approach and following FAIR principles. To address these challenging endeavors, we have started an ELIXIR Focus Group where we invite all interested experts to join in a concerted, expert-driven effort toward sustaining and ensuring high-quality data for global surveillance and research.
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Affiliation(s)
- Aitana Neves
- SIB Swiss Institute of Bioinformatics, Clinical Bioinformatics, Geneva, Switzerland
| | - Isabel Cuesta
- Bioinformatics Unit, Institute of Health Carlos III, Madrid, Spain
| | - Erik Hjerde
- Institute of Chemistry, The Arctic University of Norway, Tromsø, Norway
| | - Terje Klemetsen
- Institute of Chemistry, The Arctic University of Norway, Tromsø, Norway
| | - David Salgado
- CNRS, Institut Français de Bioinformatique, IFB-core, UMS 3601, Evry, France
| | - Jacques van Helden
- CNRS, Institut Français de Bioinformatique, IFB-core, UMS 3601, Evry, France
- Aix-Marseille Univ, INSERM, Lab. Theory and Approaches of Genome Complexity (TAGC), Marseille, France
| | - Nadim Rahman
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, United Kingdom
| | - Nazeefa Fatima
- ELIXIR Norway, Centre for Bioinformatics, University of Oslo, Oslo, Norway
| | - Nestoras Karathanasis
- Bioinformatics Department, The Cyprus Institute of Neurology and Genetics, Nicosia, Cyprus
| | - Pawel Zmora
- Department of Molecular Virology, Institute of Bioorganic Chemistry Polish Academy of Sciences, Poznan, Poland
| | - Wolmar Nyberg Åkerström
- NBIS National Bioinformatics Infrastructure Sweden, SciLifeLab, Uppsala University, Uppsala, Sweden
| | | | - Zahra Waheed
- European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Genome Campus, Hinxton, United Kingdom
| | - Niklas Blomberg
- ELIXIR Hub, Wellcome Genome Campus, Cambridge, United Kingdom
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9
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Iruegas-Bocardo F, Weisberg AJ, Riutta ER, Kilday K, Bonkowski JC, Creswell T, Daughtrey ML, Rane K, Grünwald NJ, Chang JH, Putnam ML. Whole Genome Sequencing-Based Tracing of a 2022 Introduction and Outbreak of Xanthomonas hortorum pv. pelargonii. PHYTOPATHOLOGY 2023; 113:975-984. [PMID: 36515656 DOI: 10.1094/phyto-09-22-0321-r] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Globalization has made agricultural commodities more accessible, available, and affordable. However, their global movement increases the potential for invasion by pathogens and necessitates development and implementation of sensitive, rapid, and scalable surveillance methods. Here, we used 35 strains, isolated by multiple diagnostic laboratories, as a case study for using whole genome sequence data in a plant disease diagnostic setting. Twenty-seven of the strains were isolated in 2022 and identified as Xanthomonas hortorum pv. pelargonii. Eighteen of these strains originated from material sold by a plant breeding company that had notified clients following a release of infected geranium cuttings. Analyses of whole genome sequences revealed epidemiological links among the 27 strains from different growers that confirmed a common source of the outbreak and uncovered likely secondary spread events within facilities that housed plants originating from different plant breeding companies. Whole genome sequencing data were also analyzed to reveal how preparatory and analytical methods can impact conclusions on outbreaks of clonal pathogenic strains. The results demonstrate the potential power of using whole genome sequencing among a network of diagnostic labs and highlight how sharing such data can help shorten response times to mitigate outbreaks more expediently and precisely than standard methods.
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Affiliation(s)
| | - Alexandra J Weisberg
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331
| | - Elizabeth R Riutta
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331
| | - Kameron Kilday
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331
| | - John C Bonkowski
- Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907
| | - Tom Creswell
- Botany and Plant Pathology, Purdue University, West Lafayette, IN 47907
| | - Margery L Daughtrey
- Long Island Horticultural Research and Extension Center, Cornell University, Riverhead, NY 11901
| | - Karen Rane
- Department of Entomology, University of Maryland, College Park, MD 20742
| | - Niklaus J Grünwald
- Horticultural Crops Research Laboratory, U.S. Department of Agriculture-Agricultural Research Service, Corvallis, OR 97331
| | - Jeff H Chang
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331
| | - Melodie L Putnam
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR 97331
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10
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Integrative Assessment of Reduced Listeria monocytogenes Susceptibility to Benzalkonium Chloride in Produce Processing Environments. Appl Environ Microbiol 2022; 88:e0126922. [PMID: 36226965 PMCID: PMC9642021 DOI: 10.1128/aem.01269-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
For decades, quaternary ammonium compounds (QAC)-based sanitizers have been broadly used in food processing environments to control foodborne pathogens such as Listeria monocytogenes. Still, there is a lack of consensus on the likelihood and implication of reduced Listeria susceptibility to benzalkonium chloride (BC) that may emerge due to sublethal exposure to the sanitizers in food processing environments. With a focus on fresh produce processing, we attempted to fill multiple data and evidence gaps surrounding the debate. We determined a strong correlation between tolerance phenotypes and known genetic determinants of BC tolerance with an extensive set of fresh produce isolates. We assessed BC selection on L. monocytogenes through a large-scale and source-structured genomic survey of 25,083 publicly available L. monocytogenes genomes from diverse sources in the United States. With the consideration of processing environment constraints, we monitored the temporal onset and duration of adaptive BC tolerance in both tolerant and sensitive isolates. Finally, we examined residual BC concentrations throughout a fresh produce processing facility at different time points during daily operation. While genomic evidence supports elevated BC selection and the recommendation for sanitizer rotation in the general context of food processing environments, it also suggests a marked variation in the occurrence and potential impact of the selection among different commodities and sectors. For the processing of fresh fruits and vegetables, we conclude that properly sanitized and cleaned facilities are less affected by BC selection and unlikely to provide conditions that are conducive for the emergence of adaptive BC tolerance in L. monocytogenes. IMPORTANCE Our study demonstrates an integrative approach to improve food safety assessment and control strategies in food processing environments through the collective leveraging of genomic surveys, laboratory assays, and processing facility sampling. In the example of assessing reduced Listeria susceptibility to a widely used sanitizer, this approach yielded multifaceted evidence that incorporates population genetic signals, experimental findings, and real-world constraints to help address a lasting debate of policy and practical importance.
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11
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Purushothaman S, Meola M, Egli A. Combination of Whole Genome Sequencing and Metagenomics for Microbiological Diagnostics. Int J Mol Sci 2022; 23:9834. [PMID: 36077231 PMCID: PMC9456280 DOI: 10.3390/ijms23179834] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 08/24/2022] [Accepted: 08/26/2022] [Indexed: 12/21/2022] Open
Abstract
Whole genome sequencing (WGS) provides the highest resolution for genome-based species identification and can provide insight into the antimicrobial resistance and virulence potential of a single microbiological isolate during the diagnostic process. In contrast, metagenomic sequencing allows the analysis of DNA segments from multiple microorganisms within a community, either using an amplicon- or shotgun-based approach. However, WGS and shotgun metagenomic data are rarely combined, although such an approach may generate additive or synergistic information, critical for, e.g., patient management, infection control, and pathogen surveillance. To produce a combined workflow with actionable outputs, we need to understand the pre-to-post analytical process of both technologies. This will require specific databases storing interlinked sequencing and metadata, and also involves customized bioinformatic analytical pipelines. This review article will provide an overview of the critical steps and potential clinical application of combining WGS and metagenomics together for microbiological diagnosis.
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Affiliation(s)
- Srinithi Purushothaman
- Applied Microbiology Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Institute of Medical Microbiology, University of Zurich, 8006 Zurich, Switzerland
| | - Marco Meola
- Applied Microbiology Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Institute of Medical Microbiology, University of Zurich, 8006 Zurich, Switzerland
- Swiss Institute of Bioinformatics, University of Basel, 4031 Basel, Switzerland
| | - Adrian Egli
- Applied Microbiology Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Institute of Medical Microbiology, University of Zurich, 8006 Zurich, Switzerland
- Clinical Bacteriology and Mycology, University Hospital Basel, 4031 Basel, Switzerland
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12
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Mutalik VK, Arkin AP. A Phage Foundry Framework to Systematically Develop Viral Countermeasures to Combat Antibiotic-Resistant Bacterial Pathogens. iScience 2022; 25:104121. [PMID: 35402883 PMCID: PMC8983348 DOI: 10.1016/j.isci.2022.104121] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
At its current rate, the rise of antimicrobial-resistant (AMR) infections is predicted to paralyze our industries and healthcare facilities while becoming the leading global cause of loss of human life. With limited new antibiotics on the horizon, we need to invest in alternative solutions. Bacteriophages (phages)-viruses targeting bacteria-offer a powerful alternative approach to tackle bacterial infections. Despite recent advances in using phages to treat recalcitrant AMR infections, the field lacks systematic development of phage therapies scalable to different applications. We propose a Phage Foundry framework to establish metrics for phage characterization and to fill the knowledge and technological gaps in phage therapeutics. Coordinated investment in AMR surveillance, sampling, characterization, and data sharing procedures will enable rational exploitation of phages for treatments. A fully realized Phage Foundry will enhance the sharing of knowledge, technology, and viral reagents in an equitable manner and will accelerate the biobased economy.
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Affiliation(s)
- Vivek K. Mutalik
- Innovative Genomics Institute, University of California, Berkeley, CA, USA
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
| | - Adam P. Arkin
- Innovative Genomics Institute, University of California, Berkeley, CA, USA
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA
- Department of Bioengineering, University of California, Berkeley, CA, USA
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13
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Aarestrup FM, Bonten M, Koopmans M. Pandemics- One Health preparedness for the next. LANCET REGIONAL HEALTH-EUROPE 2021; 9:100210. [PMID: 34642673 PMCID: PMC8495373 DOI: 10.1016/j.lanepe.2021.100210] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
The majority of emerging infectious diseases originate in animals. Current routine surveillance is focused on known diseases and clinical syndromes, but the increasing likelihood of emerging disease outbreaks shows the critical importance of early detection of unusual illness or circulation of pathogens - prior to human disease manifestation. In this Viewpoint, we focus on one key pillar of preparedness—the need for early warning surveillance at the human, animal, environmental interface. The COVID-19 pandemic has revolutionized the scale of sequencing of pathogen genomes, and the current investments in global genomic surveillance offer great potential for a novel, truly integrated Disease X (with epidemic or pandemic potential) surveillance arm provided we do not make the mistake of developing them solely for the case at hand. Generic tools include metagenomic sequencing as a catch-all technique, rather than detection and sequencing protocols focusing on what we know. Developing agnostic or more targeted metagenomic sequencing to assess unusual disease in humans and animals, combined with random sampling of environmental samples capturing pathogen circulation is technically challenging, but could provide a true early warning system. Rather than rebuilding and reinforcing the pre-existing silo's, a real step forward would be to take the lessons learned and bring in novel essential partnerships in a One Health approach to preparedness.
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Affiliation(s)
| | - Marc Bonten
- Utrecht University Medical Centre, Utrecht, The Netherlands
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14
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A global resource for genomic predictions of antimicrobial resistance and surveillance of Salmonella Typhi at pathogenwatch. Nat Commun 2021; 12:2879. [PMID: 34001879 PMCID: PMC8128892 DOI: 10.1038/s41467-021-23091-2] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Accepted: 04/14/2021] [Indexed: 12/15/2022] Open
Abstract
As whole-genome sequencing capacity becomes increasingly decentralized, there is a growing opportunity for collaboration and the sharing of surveillance data within and between countries to inform typhoid control policies. This vision requires free, community-driven tools that facilitate access to genomic data for public health on a global scale. Here we present the Pathogenwatch scheme for Salmonella enterica serovar Typhi (S. Typhi), a web application enabling the rapid identification of genomic markers of antimicrobial resistance (AMR) and contextualization with public genomic data. We show that the clustering of S. Typhi genomes in Pathogenwatch is comparable to established bioinformatics methods, and that genomic predictions of AMR are highly concordant with phenotypic susceptibility data. We demonstrate the public health utility of Pathogenwatch with examples selected from >4,300 public genomes available in the application. Pathogenwatch provides an intuitive entry point to monitor of the emergence and spread of S. Typhi high risk clones. Whole genome sequencing data are increasingly becoming routinely available but generating actionable insights is challenging. Here, the authors describe Pathogenwatch, a web tool for genomic surveillance of S. Typhi, and demonstrate its use for antimicrobial resistance assignment and strain risk assessment.
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15
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Achtman M, Zhou Z, Alikhan NF, Tyne W, Parkhill J, Cormican M, Chiou CS, Torpdahl M, Litrup E, Prendergast DM, Moore JE, Strain S, Kornschober C, Meinersmann R, Uesbeck A, Weill FX, Coffey A, Andrews-Polymenis H, Curtiss 3rd R, Fanning S. Genomic diversity of Salmonella enterica -The UoWUCC 10K genomes project. Wellcome Open Res 2021; 5:223. [PMID: 33614977 PMCID: PMC7869069 DOI: 10.12688/wellcomeopenres.16291.2] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/25/2021] [Indexed: 12/31/2022] Open
Abstract
Background: Most publicly available genomes of Salmonella enterica are from human disease in the US and the UK, or from domesticated animals in the US. Methods: Here we describe a historical collection of 10,000 strains isolated between 1891-2010 in 73 different countries. They encompass a broad range of sources, ranging from rivers through reptiles to the diversity of all S. enterica isolated on the island of Ireland between 2000 and 2005. Genomic DNA was isolated, and sequenced by Illumina short read sequencing. Results: The short reads are publicly available in the Short Reads Archive. They were also uploaded to EnteroBase, which assembled and annotated draft genomes. 9769 draft genomes which passed quality control were genotyped with multiple levels of multilocus sequence typing, and used to predict serovars. Genomes were assigned to hierarchical clusters on the basis of numbers of pair-wise allelic differences in core genes, which were mapped to genetic Lineages within phylogenetic trees. Conclusions: The University of Warwick/University College Cork (UoWUCC) project greatly extends the geographic sources, dates and core genomic diversity of publicly available S. enterica genomes. We illustrate these features by an overview of core genomic Lineages within 33,000 publicly available Salmonella genomes whose strains were isolated before 2011. We also present detailed examinations of HC400, HC900 and HC2000 hierarchical clusters within exemplar Lineages, including serovars Typhimurium, Enteritidis and Mbandaka. These analyses confirm the polyphyletic nature of multiple serovars while showing that discrete clusters with geographical specificity can be reliably recognized by hierarchical clustering approaches. The results also demonstrate that the genomes sequenced here provide an important counterbalance to the sampling bias which is so dominant in current genomic sequencing.
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Affiliation(s)
- Mark Achtman
- Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
| | - Zhemin Zhou
- Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
| | | | - William Tyne
- Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
| | - Julian Parkhill
- Department of Veterinary Medicine, University of Cambridge, Cambridge, CB3 0ES, UK
| | - Martin Cormican
- National Salmonella, Shigella and Listeria Reference Laboratory, Galway, H91 YR71, Ireland
| | - Chien-Shun Chiou
- Central Regional Laboratory, Center for Diagnostics and Vaccine Development, Centers for Disease Control, Taichung, None, Taiwan
| | - Mia Torpdahl
- Statens Serum Institut, Copenhagen S, DK-2300, Denmark
| | - Eva Litrup
- Statens Serum Institut, Copenhagen S, DK-2300, Denmark
| | - Deirdre M. Prendergast
- Backweston complex, Department of Agriculture, Food and the Marine (DAFM), Celbridge, Co. Kildare, W23 X3PH, Ireland
| | - John E. Moore
- Northern Ireland Public Health Laboratory, Department of Bacteriology, Belfast City Hospital, Belfast, BT9 7AD, UK
| | - Sam Strain
- Animal Health and Welfare NI, Dungannon, BT71 6JT, UK
| | - Christian Kornschober
- Institute for Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety (AGES), Graz, 8010, Austria
| | - Richard Meinersmann
- US National Poultry Research Center, USDA Agricultural Research Service, Athens, GA, 30605, USA
| | - Alexandra Uesbeck
- Institute for Medical Microbiology, Immunology, and Hygiene, University of Cologne, Cologne, 50935, Germany
| | - François-Xavier Weill
- Unité des bactéries pathogènes entériques, Institut Pasteur, Paris, cedex 15, France
| | - Aidan Coffey
- Cork Institute of Technology, Cork, T12P928, Ireland
| | - Helene Andrews-Polymenis
- Dept. of Microbial Pathogenesis and Immunology, College of Medicine Texas A&M University, Bryan, TX, 77807, USA
| | - Roy Curtiss 3rd
- Dept. of Infectious Diseases & Immunology, College of Veterinary Medicine, University of Florida, Gainesville, Florida, 32611, USA
| | - Séamus Fanning
- UCD-Centre for Food Safety, University College Dublin, Dublin, D04 N2E5, Ireland
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16
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Timme RE, Wolfgang WJ, Balkey M, Venkata SLG, Randolph R, Allard M, Strain E. Optimizing open data to support one health: best practices to ensure interoperability of genomic data from bacterial pathogens. ONE HEALTH OUTLOOK 2020; 2:20. [PMID: 33103064 PMCID: PMC7568946 DOI: 10.1186/s42522-020-00026-3] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 08/02/2020] [Indexed: 06/11/2023]
Abstract
The holistic approach of One Health, which sees human, animal, plant, and environmental health as a unit, rather than discrete parts, requires not only interdisciplinary cooperation, but standardized methods for communicating and archiving data, enabling participants to easily share what they have learned and allow others to build upon their findings. Ongoing work by NCBI and the GenomeTrakr project illustrates how open data platforms can help meet the needs of federal and state regulators, public health laboratories, departments of agriculture, and universities. Here we describe how microbial pathogen surveillance can be transformed by having an open access database along with Best Practices for contributors to follow. First, we describe the open pathogen surveillance framework, hosted on the NCBI platform. We cover the current community standards for WGS quality, provide an SOP for assessing your own sequence quality and recommend QC thresholds for all submitters to follow. We then provide an overview of NCBI data submission along with step by step details. And finally, we provide curation guidance and an SOP for keeping your public data current within the database. These Best Practices can be models for other open data projects, thereby advancing the One Health goals of Findable, Accessible, Interoperable and Re-usable (FAIR) data.
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Affiliation(s)
- Ruth E. Timme
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, 5001 Campus Drive, College Park, MD 20740 USA
| | | | - Maria Balkey
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, 5001 Campus Drive, College Park, MD 20740 USA
| | | | - Robyn Randolph
- Association of Public Health Laboratories, Silver Spring, MD USA
| | - Marc Allard
- U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, 5001 Campus Drive, College Park, MD 20740 USA
| | - Errol Strain
- U.S. Food and Drug Administration, Center for Veterinary Medicine, Laurel, MD USA
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17
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Allard MW, Zheng J, Cao G, Timme R, Stevens E, Brown EW. Food Safety Genomics and Connections to One Health and the Clinical Microbiology Laboratory. Clin Lab Med 2020; 40:553-563. [PMID: 33121622 DOI: 10.1016/j.cll.2020.08.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
This article describes the potential for one health surveillance of foodborne pathogens and disease using the revolutionary methodologies of whole genome sequencing. Whole genome sequencing of viral and bacterial pathogens is a natural fit to a one health perspective because these pathogens reside and are shared by humans, animals, and the environment and their genomes are compared easily regardless of where or from what host the pathogen was isolated. A genome provides a huge amount of data that can be analyzed for numerous applications. Sharing data coordinates surveillance efforts across the various disciplines.
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Affiliation(s)
- Marc W Allard
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, 5001 Campus Drive, College Park, MD 20740, USA.
| | - Jie Zheng
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, 5001 Campus Drive, College Park, MD 20740, USA
| | - Guojie Cao
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, 5001 Campus Drive, College Park, MD 20740, USA
| | - Ruth Timme
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, 5001 Campus Drive, College Park, MD 20740, USA
| | - Eric Stevens
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, 5001 Campus Drive, College Park, MD 20740, USA
| | - Eric W Brown
- US Food and Drug Administration, Center for Food Safety and Applied Nutrition, 5001 Campus Drive, College Park, MD 20740, USA
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18
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Achtman M, Zhou Z, Alikhan NF, Tyne W, Parkhill J, Cormican M, Chiou CS, Torpdahl M, Litrup E, Prendergast DM, Moore JE, Strain S, Kornschober C, Meinersmann R, Uesbeck A, Weill FX, Coffey A, Andrews-Polymenis H, Curtiss 3rd R, Fanning S. Genomic diversity of Salmonella enterica -The UoWUCC 10K genomes project. Wellcome Open Res 2020; 5:223. [PMID: 33614977 PMCID: PMC7869069 DOI: 10.12688/wellcomeopenres.16291.1] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/15/2020] [Indexed: 01/25/2023] Open
Abstract
Background: Most publicly available genomes of Salmonella enterica are from human disease in the US and the UK, or from domesticated animals in the US. Methods: Here we describe a historical collection of 10,000 strains isolated between 1891-2010 in 73 different countries. They encompass a broad range of sources, ranging from rivers through reptiles to the diversity of all S. enterica isolated on the island of Ireland between 2000 and 2005. Genomic DNA was isolated, and sequenced by Illumina short read sequencing. Results: The short reads are publicly available in the Short Reads Archive. They were also uploaded to EnteroBase, which assembled and annotated draft genomes. 9769 draft genomes which passed quality control were genotyped with multiple levels of multilocus sequence typing, and used to predict serovars. Genomes were assigned to hierarchical clusters on the basis of numbers of pair-wise allelic differences in core genes, which were mapped to genetic Lineages within phylogenetic trees. Conclusions: The University of Warwick/University College Cork (UoWUCC) project greatly extends the geographic sources, dates and core genomic diversity of publicly available S. enterica genomes. We illustrate these features by an overview of core genomic Lineages within 33,000 publicly available Salmonella genomes whose strains were isolated before 2011. We also present detailed examinations of HC400, HC900 and HC2000 hierarchical clusters within exemplar Lineages, including serovars Typhimurium, Enteritidis and Mbandaka. These analyses confirm the polyphyletic nature of multiple serovars while showing that discrete clusters with geographical specificity can be reliably recognized by hierarchical clustering approaches. The results also demonstrate that the genomes sequenced here provide an important counterbalance to the sampling bias which is so dominant in current genomic sequencing.
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Affiliation(s)
- Mark Achtman
- Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
| | - Zhemin Zhou
- Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
| | | | - William Tyne
- Warwick Medical School, University of Warwick, Coventry, CV4 7AL, UK
| | - Julian Parkhill
- Department of Veterinary Medicine, University of Cambridge, Cambridge, CB3 0ES, UK
| | - Martin Cormican
- National Salmonella, Shigella and Listeria Reference Laboratory, Galway, H91 YR71, Ireland
| | - Chien-Shun Chiou
- Central Regional Laboratory, Center for Diagnostics and Vaccine Development, Centers for Disease Control, Taichung, None, Taiwan
| | - Mia Torpdahl
- Statens Serum Institut, Copenhagen S, DK-2300, Denmark
| | - Eva Litrup
- Statens Serum Institut, Copenhagen S, DK-2300, Denmark
| | - Deirdre M. Prendergast
- Backweston complex, Department of Agriculture, Food and the Marine (DAFM), Celbridge, Co. Kildare, W23 X3PH, Ireland
| | - John E. Moore
- Northern Ireland Public Health Laboratory, Department of Bacteriology, Belfast City Hospital, Belfast, BT9 7AD, UK
| | - Sam Strain
- Animal Health and Welfare NI, Dungannon, BT71 6JT, UK
| | - Christian Kornschober
- Institute for Medical Microbiology and Hygiene, Austrian Agency for Health and Food Safety (AGES), Graz, 8010, Austria
| | - Richard Meinersmann
- US National Poultry Research Center, USDA Agricultural Research Service, Athens, GA, 30605, USA
| | - Alexandra Uesbeck
- Institute for Medical Microbiology, Immunology, and Hygiene, University of Cologne, Cologne, 50935, Germany
| | - François-Xavier Weill
- Unité des bactéries pathogènes entériques, Institut Pasteur, Paris, cedex 15, France
| | - Aidan Coffey
- Cork Institute of Technology, Cork, T12P928, Ireland
| | - Helene Andrews-Polymenis
- Dept. of Microbial Pathogenesis and Immunology, College of Medicine Texas A&M University, Bryan, TX, 77807, USA
| | - Roy Curtiss 3rd
- Dept. of Infectious Diseases & Immunology, College of Veterinary Medicine, University of Florida, Gainesville, Florida, 32611, USA
| | - Séamus Fanning
- UCD-Centre for Food Safety, University College Dublin, Dublin, D04 N2E5, Ireland
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19
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Uelze L, Borowiak M, Bönn M, Brinks E, Deneke C, Hankeln T, Kleta S, Murr L, Stingl K, Szabo K, Tausch SH, Wöhlke A, Malorny B. German-Wide Interlaboratory Study Compares Consistency, Accuracy and Reproducibility of Whole-Genome Short Read Sequencing. Front Microbiol 2020; 11:573972. [PMID: 33013811 PMCID: PMC7516015 DOI: 10.3389/fmicb.2020.573972] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Accepted: 08/14/2020] [Indexed: 12/05/2022] Open
Abstract
We compared the consistency, accuracy and reproducibility of next-generation short read sequencing between ten laboratories involved in food safety (research institutes, state laboratories, universities and companies) from Germany and Austria. Participants were asked to sequence six DNA samples of three bacterial species (Campylobacter jejuni, Listeria monocytogenes and Salmonella enterica) in duplicate, according to their routine in-house sequencing protocol. Four different types of Illumina sequencing platforms (MiSeq, NextSeq, iSeq, NovaSeq) and one Ion Torrent sequencing instrument (S5) were involved in the study. Sequence quality parameters were determined for all data sets and centrally compared between laboratories. SNP and cgMLST calling were performed to assess the reproducibility of sequence data collected for individual samples. Overall, we found Illumina short read data to be more accurate (higher base calling accuracy, fewer miss-assemblies) and consistent (little variability between independent sequencing runs within a laboratory) than Ion Torrent sequence data, with little variation between the different Illumina instruments. Two laboratories with Illumina instruments submitted sequence data with lower quality, probably due to the use of a library preparation kit, which shows difficulty in sequencing low GC genome regions. Differences in data quality were more evident after assembling short reads into genome assemblies, with Ion Torrent assemblies featuring a great number of allele differences to Illumina assemblies. Clonality of samples was confirmed through SNP calling, which proved to be a more suitable method for an integrated data analysis of Illumina and Ion Torrent data sets in this study.
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Affiliation(s)
- Laura Uelze
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Maria Borowiak
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Markus Bönn
- Landesamt für Verbraucherschutz Sachsen-Anhalt (LAV), Halle (Saale), Germany
| | - Erik Brinks
- Department of Microbiology and Biotechnology, Max Rubner-Institut (MRI), Kiel, Germany
| | - Carlus Deneke
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Thomas Hankeln
- Institute of Organismic and Molecular Evolution, AG Molecular Genetics and Genome Analysis, Johannes Gutenberg Universität Mainz, Mainz, Germany
| | - Sylvia Kleta
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Larissa Murr
- Bavarian Health and Food Safety Authority (LGL), Oberschleißheim, Germany
| | - Kerstin Stingl
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Kathrin Szabo
- Department 5, Federal Office of Consumer Protection and Food Safety (BVL), Berlin, Germany
| | - Simon H Tausch
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
| | - Anne Wöhlke
- Food and Veterinary Institute, Lower Saxony State Office for Consumer Protection and Food Safety (LAVES), Braunschweig, Germany
| | - Burkhard Malorny
- Department of Biological Safety, German Federal Institute for Risk Assessment (BfR), Berlin, Germany
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20
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Baugher JD. SeroTools: a Python package for Salmonella serotype data analysis. JOURNAL OF OPEN SOURCE SOFTWARE 2020; 5:2556. [PMID: 33817546 PMCID: PMC8017488 DOI: 10.21105/joss.02556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Affiliation(s)
- Joseph D Baugher
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration
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21
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Draft Genome Sequences of 81 Salmonella enterica Strains from Informal Markets in Cambodia. Microbiol Resour Announc 2020; 9:9/36/e00773-20. [PMID: 32883787 PMCID: PMC7471382 DOI: 10.1128/mra.00773-20] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Salmonella enterica is an important global pathogen due to its contribution to human morbidity and death. The presence of S. enterica in Southeast Asian informal markets is amplified by cross-contamination between market surfaces and food products. Here, we describe the draft genome sequences of 81 Salmonella enterica isolates from informal markets in Cambodia. Salmonella enterica is an important global pathogen due to its contribution to human morbidity and death. The presence of S. enterica in Southeast Asian informal markets is amplified by cross-contamination between market surfaces and food products. Here, we describe the draft genome sequences of 81 Salmonella enterica isolates from informal markets in Cambodia.
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22
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Buytaers FE, Saltykova A, Denayer S, Verhaegen B, Vanneste K, Roosens NHC, Piérard D, Marchal K, De Keersmaecker SCJ. A Practical Method to Implement Strain-Level Metagenomics-Based Foodborne Outbreak Investigation and Source Tracking in Routine. Microorganisms 2020; 8:E1191. [PMID: 32764329 PMCID: PMC7463776 DOI: 10.3390/microorganisms8081191] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 07/31/2020] [Accepted: 08/01/2020] [Indexed: 12/13/2022] Open
Abstract
The management of a foodborne outbreak depends on the rapid and accurate identification of the responsible food source. Conventional methods based on isolation of the pathogen from the food matrix and target-specific real-time polymerase chain reactions (qPCRs) are used in routine. In recent years, the use of whole genome sequencing (WGS) of bacterial isolates has proven its value to collect relevant information for strain characterization as well as tracing the origin of the contamination by linking the food isolate with the patient's isolate with high resolution. However, the isolation of a bacterial pathogen from food matrices is often time-consuming and not always successful. Therefore, we aimed to improve outbreak investigation by developing a method that can be implemented in reference laboratories to characterize the pathogen in the food vehicle without its prior isolation and link it back to human cases. We tested and validated a shotgun metagenomics approach by spiking food pathogens in specific food matrices using the Shiga toxin-producing Escherichia coli (STEC) as a case study. Different DNA extraction kits and enrichment procedures were investigated to obtain the most practical workflow. We demonstrated the feasibility of shotgun metagenomics to obtain the same information as in ISO/TS 13136:2012 and WGS of the isolate in parallel by inferring the genome of the contaminant and characterizing it in a shorter timeframe. This was achieved in food samples containing different E. coli strains, including a combination of different STEC strains. For the first time, we also managed to link individual strains from a food product to isolates from human cases, demonstrating the power of shotgun metagenomics for rapid outbreak investigation and source tracking.
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Affiliation(s)
- Florence E. Buytaers
- Transversal activities in Applied Genomics, Sciensano, 1050 Brussels, Belgium; (F.E.B.); (A.S.); (K.V.); (N.H.C.R.)
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9000 Ghent, Belgium;
| | - Assia Saltykova
- Transversal activities in Applied Genomics, Sciensano, 1050 Brussels, Belgium; (F.E.B.); (A.S.); (K.V.); (N.H.C.R.)
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9000 Ghent, Belgium;
| | - Sarah Denayer
- National Reference Laboratory for Shiga Toxin-Producing Escherichia coli (NRL STEC), Foodborne Pathogens, Sciensano, 1050 Brussels, Belgium; (S.D.); (B.V.)
| | - Bavo Verhaegen
- National Reference Laboratory for Shiga Toxin-Producing Escherichia coli (NRL STEC), Foodborne Pathogens, Sciensano, 1050 Brussels, Belgium; (S.D.); (B.V.)
| | - Kevin Vanneste
- Transversal activities in Applied Genomics, Sciensano, 1050 Brussels, Belgium; (F.E.B.); (A.S.); (K.V.); (N.H.C.R.)
| | - Nancy H. C. Roosens
- Transversal activities in Applied Genomics, Sciensano, 1050 Brussels, Belgium; (F.E.B.); (A.S.); (K.V.); (N.H.C.R.)
| | - Denis Piérard
- National Reference Center for Shiga Toxin-Producing Escherichia coli (NRC STEC), Department of Microbiology and Infection Control, Universitair Ziekenhuis Brussel (UZ Brussel), Vrije Universiteit Brussel (VUB), 1090 Brussels, Belgium;
| | - Kathleen Marchal
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9000 Ghent, Belgium;
- Department of Information Technology, IDlab, IMEC, Ghent University, 9000 Ghent, Belgium
- Department of Genetics, University of Pretoria, 0001 Pretoria, South Africa
| | - Sigrid C. J. De Keersmaecker
- Transversal activities in Applied Genomics, Sciensano, 1050 Brussels, Belgium; (F.E.B.); (A.S.); (K.V.); (N.H.C.R.)
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23
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Richards AK, Hopkins BA, Shariat NW. Conserved CRISPR arrays in Salmonella enterica serovar Infantis can serve as qPCR targets to detect Infantis in mixed serovar populations. Lett Appl Microbiol 2020; 71:138-145. [PMID: 32333808 DOI: 10.1111/lam.13296] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 03/27/2020] [Accepted: 03/30/2020] [Indexed: 12/20/2022]
Abstract
Salmonellosis is a leading bacterial cause of foodborne illness, and numerous Salmonella enterica serovars have been responsible for foodborne outbreaks. In the United States outbreaks are often linked to poultry and poultry-related products. The prevalence of Salmonella serovar Infantis has been increasing in poultry processing facilities over the past few years and in 2018 was identified as the causative agent for a large multistate outbreak linked to raw chicken. CRISPR-typing is a subtyping approach based on PCR and the sequencing of two Salmonella loci, CRISPR1 and CRISPR2. CRISPR-typing was used to interrogate 138 recent (2018-2019) isolates and genomes of ser. Infantis. Results show that the CRISPR elements are remarkably conserved in this serovar. The most conserved spacers, and those also unique to ser. Infantis, were used as targets to develop a ser. Infantis-specific qPCR assay. This assay was able to detect ser. Infantis in mixed serovar cultures of Salmonella, down to 0·1% of the population, highlighting the utility of this molecular approach in improving surveillance sensitivity for this important food safety pathogen. SIGNIFICANCE AND IMPACT OF THE STUDY: The incidence of human salmonellosis cases caused by Salmonella enterica serovar Infantis (ser. Infantis) has been increasing, as has its prevalence in broiler chickens, which are a frequent reservoir of Salmonella. A cluster of ser. Infantis genetically linked to an outbreak strain have been identified in numerous processing facilities. A qPCR assay targeting CRISPR elements that are unique to ser. Infantis has been developed and can detect this serovar directly from mixed cultures. This assay is sensitive enough to reveal ser. Infantis within a mixed Salmonella population where it constitutes only 0·1% of the population. The rapid nature of qPCR lends this assay to high-throughput screening of poultry samples to detect this important pathogen.
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Affiliation(s)
- A K Richards
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - B A Hopkins
- International Technical Animal Production and Processing Solutions (iTAPPS), Overland Park, KS, USA
| | - N W Shariat
- Department of Population Health, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
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24
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Frentrup M, Zhou Z, Steglich M, Meier-Kolthoff JP, Göker M, Riedel T, Bunk B, Spröer C, Overmann J, Blaschitz M, Indra A, von Müller L, Kohl TA, Niemann S, Seyboldt C, Klawonn F, Kumar N, Lawley TD, García-Fernández S, Cantón R, del Campo R, Zimmermann O, Groß U, Achtman M, Nübel U. A publicly accessible database for Clostridioides difficile genome sequences supports tracing of transmission chains and epidemics. Microb Genom 2020; 6:mgen000410. [PMID: 32726198 PMCID: PMC7641423 DOI: 10.1099/mgen.0.000410] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 06/30/2020] [Indexed: 01/02/2023] Open
Abstract
Clostridioides difficile is the primary infectious cause of antibiotic-associated diarrhea. Local transmissions and international outbreaks of this pathogen have been previously elucidated by bacterial whole-genome sequencing, but comparative genomic analyses at the global scale were hampered by the lack of specific bioinformatic tools. Here we introduce a publicly accessible database within EnteroBase (http://enterobase.warwick.ac.uk) that automatically retrieves and assembles C. difficile short-reads from the public domain, and calls alleles for core-genome multilocus sequence typing (cgMLST). We demonstrate that comparable levels of resolution and precision are attained by EnteroBase cgMLST and single-nucleotide polymorphism analysis. EnteroBase currently contains 18 254 quality-controlled C. difficile genomes, which have been assigned to hierarchical sets of single-linkage clusters by cgMLST distances. This hierarchical clustering is used to identify and name populations of C. difficile at all epidemiological levels, from recent transmission chains through to epidemic and endemic strains. Moreover, it puts newly collected isolates into phylogenetic and epidemiological context by identifying related strains among all previously published genome data. For example, HC2 clusters (i.e. chains of genomes with pairwise distances of up to two cgMLST alleles) were statistically associated with specific hospitals (P<10-4) or single wards (P=0.01) within hospitals, indicating they represented local transmission clusters. We also detected several HC2 clusters spanning more than one hospital that by retrospective epidemiological analysis were confirmed to be associated with inter-hospital patient transfers. In contrast, clustering at level HC150 correlated with k-mer-based classification and was largely compatible with PCR ribotyping, thus enabling comparisons to earlier surveillance data. EnteroBase enables contextual interpretation of a growing collection of assembled, quality-controlled C. difficile genome sequences and their associated metadata. Hierarchical clustering rapidly identifies database entries that are related at multiple levels of genetic distance, facilitating communication among researchers, clinicians and public-health officials who are combatting disease caused by C. difficile.
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Affiliation(s)
| | - Zhemin Zhou
- Warwick Medical School, University of Warwick, UK
| | - Matthias Steglich
- Leibniz Institute DSMZ, Braunschweig, Germany
- German Center for Infection Research (DZIF), Partner site Hannover-Braunschweig, Germany
| | | | | | - Thomas Riedel
- Leibniz Institute DSMZ, Braunschweig, Germany
- German Center for Infection Research (DZIF), Partner site Hannover-Braunschweig, Germany
| | - Boyke Bunk
- Leibniz Institute DSMZ, Braunschweig, Germany
| | | | - Jörg Overmann
- Leibniz Institute DSMZ, Braunschweig, Germany
- German Center for Infection Research (DZIF), Partner site Hannover-Braunschweig, Germany
- Braunschweig Integrated Center of Systems Biology (BRICS), Technical University, Braunschweig, Germany
| | - Marion Blaschitz
- AGES-Austrian Agency for Health and Food Safety, Vienna, Austria
| | - Alexander Indra
- AGES-Austrian Agency for Health and Food Safety, Vienna, Austria
| | | | - Thomas A. Kohl
- Research Center Borstel, Germany
- German Center for Infection Research (DZIF), Partner site Hamburg-Lübeck-Borstel, Germany
| | - Stefan Niemann
- Research Center Borstel, Germany
- German Center for Infection Research (DZIF), Partner site Hamburg-Lübeck-Borstel, Germany
| | | | - Frank Klawonn
- Biostatistics, Helmholtz Centre for Infection Research, Braunschweig, Germany
- Institute for Information Engineering, Ostfalia University, Wolfenbüttel, Germany
| | | | | | - Sergio García-Fernández
- Servicio de Microbiología, Hospital Universitario Ramón y Cajal, and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
- Red Española de Investigación en Patología Infecciosa (REIPI), Madrid, Spain
| | - Rafael Cantón
- Servicio de Microbiología, Hospital Universitario Ramón y Cajal, and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
- Red Española de Investigación en Patología Infecciosa (REIPI), Madrid, Spain
| | - Rosa del Campo
- Servicio de Microbiología, Hospital Universitario Ramón y Cajal, and Instituto Ramón y Cajal de Investigación Sanitaria (IRYCIS), Madrid, Spain
- Red Española de Investigación en Patología Infecciosa (REIPI), Madrid, Spain
| | | | - Uwe Groß
- University Medical Center Göttingen, Germany
| | - Mark Achtman
- Warwick Medical School, University of Warwick, UK
| | - Ulrich Nübel
- Leibniz Institute DSMZ, Braunschweig, Germany
- German Center for Infection Research (DZIF), Partner site Hannover-Braunschweig, Germany
- Braunschweig Integrated Center of Systems Biology (BRICS), Technical University, Braunschweig, Germany
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25
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Nouws S, Bogaerts B, Verhaegen B, Denayer S, Crombé F, De Rauw K, Piérard D, Marchal K, Vanneste K, Roosens NHC, De Keersmaecker SCJ. The Benefits of Whole Genome Sequencing for Foodborne Outbreak Investigation from the Perspective of a National Reference Laboratory in a Smaller Country. Foods 2020; 9:E1030. [PMID: 32752159 PMCID: PMC7466227 DOI: 10.3390/foods9081030] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 07/24/2020] [Accepted: 07/27/2020] [Indexed: 12/21/2022] Open
Abstract
Gradually, conventional methods for foodborne pathogen typing are replaced by whole genome sequencing (WGS). Despite studies describing the overall benefits, National Reference Laboratories of smaller countries often show slower uptake of WGS, mainly because of significant investments required to generate and analyze data of a limited amount of samples. To facilitate this process and incite policy makers to support its implementation, a Shiga toxin-producing Escherichia coli (STEC) O157:H7 (stx1+, stx2+, eae+) outbreak (2012) and a STEC O157:H7 (stx2+, eae+) outbreak (2013) were retrospectively analyzed using WGS and compared with their conventional investigations. The corresponding results were obtained, with WGS delivering even more information, e.g., on virulence and antimicrobial resistance genotypes. Besides a universal, all-in-one workflow with less hands-on-time (five versus seven actual working days for WGS versus conventional), WGS-based cgMLST-typing demonstrated increased resolution. This enabled an accurate cluster definition, which remained unsolved for the 2013 outbreak, partly due to scarce epidemiological linking with the suspect source. Moreover, it allowed detecting two and one earlier circulating STEC O157:H7 (stx1+, stx2+, eae+) and STEC O157:H7 (stx2+, eae+) strains as closely related to the 2012 and 2013 outbreaks, respectively, which might have further directed epidemiological investigation initially. Although some bottlenecks concerning centralized data-sharing, sampling strategies, and perceived costs should be considered, we delivered a proof-of-concept that even in smaller countries, WGS offers benefits for outbreak investigation, if a sufficient budget is available to ensure its implementation in surveillance. Indeed, applying a database with background isolates is critical in interpreting isolate relationships to outbreaks, and leveraging the true benefit of WGS in outbreak investigation and/or prevention.
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Affiliation(s)
- Stéphanie Nouws
- Department of Expertise and service provision, Transversal activities in Applied Genomics, Sciensano, 1050 Brussels, Belgium; (S.N.); (B.B.); (K.V.); (N.H.C.R.)
- Department of Information Technology, IDLab, imec, Ghent University, 9052 Ghent, Belgium;
| | - Bert Bogaerts
- Department of Expertise and service provision, Transversal activities in Applied Genomics, Sciensano, 1050 Brussels, Belgium; (S.N.); (B.B.); (K.V.); (N.H.C.R.)
- Department of Information Technology, IDLab, imec, Ghent University, 9052 Ghent, Belgium;
| | - Bavo Verhaegen
- National Reference Laboratory for Shiga Toxin-Producing Escherichia coli (NRL-STEC), National Reference Laboratory for Foodborne Outbreaks (NRL-FBO), Department of Infectious diseases in humans, Foodborne Pathogens, Sciensano, 1050 Brussels, Belgium; (B.V.); (S.D.)
| | - Sarah Denayer
- National Reference Laboratory for Shiga Toxin-Producing Escherichia coli (NRL-STEC), National Reference Laboratory for Foodborne Outbreaks (NRL-FBO), Department of Infectious diseases in humans, Foodborne Pathogens, Sciensano, 1050 Brussels, Belgium; (B.V.); (S.D.)
| | - Florence Crombé
- Department of Microbiology and Infection Control, National Reference Center for Shiga Toxin-Producing Escherichia coli (NRC-STEC), Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), 1090 Brussels, Belgium; (F.C.); (K.D.R.); (D.P.)
| | - Klara De Rauw
- Department of Microbiology and Infection Control, National Reference Center for Shiga Toxin-Producing Escherichia coli (NRC-STEC), Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), 1090 Brussels, Belgium; (F.C.); (K.D.R.); (D.P.)
| | - Denis Piérard
- Department of Microbiology and Infection Control, National Reference Center for Shiga Toxin-Producing Escherichia coli (NRC-STEC), Vrije Universiteit Brussel (VUB), Universitair Ziekenhuis Brussel (UZ Brussel), 1090 Brussels, Belgium; (F.C.); (K.D.R.); (D.P.)
| | - Kathleen Marchal
- Department of Information Technology, IDLab, imec, Ghent University, 9052 Ghent, Belgium;
- Department of Plant Biotechnology and Bioinformatics, Ghent University, 9052 Ghent, Belgium
- Department of Genetics, University of Pretoria, Pretoria 0083, South Africa
| | - Kevin Vanneste
- Department of Expertise and service provision, Transversal activities in Applied Genomics, Sciensano, 1050 Brussels, Belgium; (S.N.); (B.B.); (K.V.); (N.H.C.R.)
| | - Nancy H. C. Roosens
- Department of Expertise and service provision, Transversal activities in Applied Genomics, Sciensano, 1050 Brussels, Belgium; (S.N.); (B.B.); (K.V.); (N.H.C.R.)
| | - Sigrid C. J. De Keersmaecker
- Department of Expertise and service provision, Transversal activities in Applied Genomics, Sciensano, 1050 Brussels, Belgium; (S.N.); (B.B.); (K.V.); (N.H.C.R.)
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26
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Draft Genome Sequences of Two Extensively Drug-Resistant Strains of Acinetobacter baumannii Isolated from Clinical Samples in Pakistan. Microbiol Resour Announc 2020; 9:9/20/e00026-20. [PMID: 32409526 PMCID: PMC7225525 DOI: 10.1128/mra.00026-20] [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: 11/20/2022] Open
Abstract
Infections in immunocompromised patients that are caused by extensively drug-resistant (XDR) Acinetobacter baumannii strains have been increasingly reported worldwide. In particular, carbapenem-resistant A. baumannii strains are a prominent cause of health care-associated infections. Here, we report draft genome assemblies for two clinical XDR A. baumannii isolates obtained from hospitalized patients in Pakistan.
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27
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Genomic Analyses of Human Sapoviruses Detected over a 40-Year Period Reveal Disparate Patterns of Evolution among Genotypes and Genome Regions. Viruses 2020; 12:v12050516. [PMID: 32392864 PMCID: PMC7290424 DOI: 10.3390/v12050516] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/04/2020] [Accepted: 05/06/2020] [Indexed: 12/22/2022] Open
Abstract
Human sapovirus is a causative agent of acute gastroenteritis in all age groups. The use of full-length viral genomes has proven beneficial to investigate evolutionary dynamics and transmission chains. In this study, we developed a full-length genome sequencing platform for human sapovirus and sequenced the oldest available strains (collected in the 1970s) to analyse diversification of sapoviruses. Sequence analyses from five major genotypes (GI.1, GI.2, GII.1, GII.3, and GIV.1) showed limited intra-genotypic diversification for over 20–40 years. The accumulation of amino acid mutations in VP1 was detected for GI.2 and GIV.1 viruses, while having a similar rate of nucleotide evolution to the other genotypes. Differences in the phylogenetic clustering were detected between RdRp and VP1 sequences of our archival strains as well as other reported putative recombinants. However, the lack of the parental strains and differences in diversification among genomic regions suggest that discrepancies in the phylogenetic clustering of sapoviruses could be explained, not only by recombination, but also by disparate nucleotide substitution patterns between RdRp and VP1 sequences. Together, this study shows that, contrary to noroviruses, sapoviruses present limited diversification by means of intra-genotype variation and recombination.
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28
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Szarvas J, Ahrenfeldt J, Cisneros JLB, Thomsen MCF, Aarestrup FM, Lund O. Large scale automated phylogenomic analysis of bacterial isolates and the Evergreen Online platform. Commun Biol 2020; 3:137. [PMID: 32198478 PMCID: PMC7083913 DOI: 10.1038/s42003-020-0869-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 03/03/2020] [Indexed: 11/09/2022] Open
Abstract
Public health authorities whole-genome sequence thousands of isolates each month for microbial diagnostics and surveillance of pathogenic bacteria. The computational methods have not kept up with the deluge of data and the need for real-time results. We have therefore created a bioinformatics pipeline for rapid subtyping and continuous phylogenomic analysis of bacterial samples, suited for large-scale surveillance. The data is divided into sets by mapping to reference genomes, then consensus sequences are generated. Nucleotide based genetic distance is calculated between the sequences in each set, and isolates are clustered together at 10 single-nucleotide polymorphisms. Phylogenetic trees are inferred from the non-redundant sequences and the clustered isolates are added back. The method is accurate at grouping outbreak strains together, while discriminating them from non-outbreak strains. The pipeline is applied in Evergreen Online, which processes publicly available sequencing data from foodborne bacterial pathogens on a daily basis, updating phylogenetic trees as needed.
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Affiliation(s)
- Judit Szarvas
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kongens Lyngby, Denmark.
| | - Johanne Ahrenfeldt
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Jose Luis Bellod Cisneros
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kongens Lyngby, Denmark
| | | | - Frank M Aarestrup
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kongens Lyngby, Denmark
| | - Ole Lund
- Research Group for Genomic Epidemiology, National Food Institute, Technical University of Denmark, Kongens Lyngby, Denmark
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29
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Translating 'big data': better understanding of host-pathogen interactions to control bacterial foodborne pathogens in poultry. Anim Health Res Rev 2020; 21:15-35. [PMID: 31907101 DOI: 10.1017/s1466252319000124] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Recent technological advances has led to the generation, storage, and sharing of colossal sets of information ('big data'), and the expansion of 'omics' in science. To date, genomics/metagenomics, transcriptomics, proteomics, and metabolomics are arguably the most ground breaking approaches in food and public safety. Here we review some of the recent studies of foodborne pathogens (Campylobacter spp., Salmonella spp., and Escherichia coli) in poultry using big data. Genomic/metagenomic approaches have reveal the importance of the gut microbiota in health and disease. They have also been used to identify, monitor, and understand the epidemiology of antibiotic-resistance mechanisms and provide concrete evidence about the role of poultry in human infections. Transcriptomics studies have increased our understanding of the pathophysiology and immunopathology of foodborne pathogens in poultry and have led to the identification of host-resistance mechanisms. Proteomic/metabolomic approaches have aided in identifying biomarkers and the rapid detection of low levels of foodborne pathogens. Overall, 'omics' approaches complement each other and may provide, at least in part, a solution to our current food-safety issues by facilitating the development of new rapid diagnostics, therapeutic drugs, and vaccines to control foodborne pathogens in poultry. However, at this time most 'omics' approaches still remain underutilized due to their high cost and the high level of technical skills required.
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SeqSero2: Rapid and Improved Salmonella Serotype Determination Using Whole-Genome Sequencing Data. Appl Environ Microbiol 2019; 85:AEM.01746-19. [PMID: 31540993 DOI: 10.1128/aem.01746-19] [Citation(s) in RCA: 176] [Impact Index Per Article: 35.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2019] [Accepted: 09/17/2019] [Indexed: 11/20/2022] Open
Abstract
SeqSero, launched in 2015, is a software tool for Salmonella serotype determination from whole-genome sequencing (WGS) data. Despite its routine use in public health and food safety laboratories in the United States and other countries, the original SeqSero pipeline is relatively slow (minutes per genome using sequencing reads), is not optimized for draft genome assemblies, and may assign multiple serotypes for a strain. Here, we present SeqSero2 (github.com/denglab/SeqSero2; denglab.info/SeqSero2), an algorithmic transformation and functional update of the original SeqSero. Major improvements include (i) additional sequence markers for identification of Salmonella species and subspecies and certain serotypes, (ii) a k-mer based algorithm for rapid serotype prediction from raw reads (seconds per genome) and improved serotype prediction from assemblies, and (iii) a targeted assembly approach for specific retrieval of serotype determinants from WGS for serotype prediction, new allele discovery, and prediction troubleshooting. Evaluated using 5,794 genomes representing 364 common U.S. serotypes, including 2,280 human isolates of 117 serotypes from the National Antimicrobial Resistance Monitoring System, SeqSero2 is up to 50 times faster than the original SeqSero while maintaining equivalent accuracy for raw reads and substantially improving accuracy for assemblies. SeqSero2 further suggested that 3% of the tested genomes contained reads from multiple serotypes, indicating a use for contamination detection. In addition to short reads, SeqSero2 demonstrated potential for accurate and rapid serotype prediction directly from long nanopore reads despite base call errors. Testing of 40 nanopore-sequenced genomes of 17 serotypes yielded a single H antigen misidentification.IMPORTANCE Serotyping is the basis of public health surveillance of Salmonella It remains a first-line subtyping method even as surveillance continues to be transformed by whole-genome sequencing. SeqSero allows the integration of Salmonella serotyping into a whole-genome-sequencing-based laboratory workflow while maintaining continuity with the classic serotyping scheme. SeqSero2, informed by extensive testing and application of SeqSero in the United States and other countries, incorporates important improvements and updates that further strengthen its application in routine and large-scale surveillance of Salmonella by whole-genome sequencing.
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31
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Radomski N, Cadel-Six S, Cherchame E, Felten A, Barbet P, Palma F, Mallet L, Le Hello S, Weill FX, Guillier L, Mistou MY. A Simple and Robust Statistical Method to Define Genetic Relatedness of Samples Related to Outbreaks at the Genomic Scale - Application to Retrospective Salmonella Foodborne Outbreak Investigations. Front Microbiol 2019; 10:2413. [PMID: 31708892 PMCID: PMC6821717 DOI: 10.3389/fmicb.2019.02413] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 10/07/2019] [Indexed: 12/21/2022] Open
Abstract
The investigation of foodborne outbreaks (FBOs) from genomic data typically relies on inspecting the relatedness of samples through a phylogenomic tree computed on either SNPs, genes, kmers, or alleles (i.e., cgMLST and wgMLST). The phylogenomic reconstruction is often time-consuming, computation-intensive and depends on hidden assumptions, pipelines implementation and their parameterization. In the context of FBO investigations, robust links between isolates are required in a timely manner to trigger appropriate management actions. Here, we propose a non-parametric statistical method to assert the relatedness of samples (i.e., outbreak cases) or whether to reject them (i.e., non-outbreak cases). With typical computation running within minutes on a desktop computer, we benchmarked the ability of three non-parametric statistical tests (i.e., Wilcoxon rank-sum, Kolmogorov-Smirnov and Kruskal-Wallis) on six different genomic features (i.e., SNPs, SNPs excluding recombination events, genes, kmers, cgMLST alleles, and wgMLST alleles) to discriminate outbreak cases (i.e., positive control: C+) from non-outbreak cases (i.e., negative control: C-). We leveraged four well-characterized and retrospectively investigated FBOs of Salmonella Typhimurium and its monophasic variant S. 1,4,[5],12:i:- from France, setting positive and negative controls in all the assays. We show that the approaches relying on pairwise SNP differences distinguished all four considered outbreaks in contrast to the other tested genomic features (i.e., genes, kmers, cgMLST alleles, and wgMLST alleles). The freely available non-parametric method written in R has been designed to be independent of both the phylogenomic reconstruction and the detection methods of genomic features (i.e., SNPs, genes, kmers, or alleles), making it widely and easily usable to anybody working on genomic data from suspected samples.
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Affiliation(s)
- Nicolas Radomski
- ANSES, Laboratory for Food Safety, Université PARIS-EST, Maisons-Alfort, France
| | - Sabrina Cadel-Six
- ANSES, Laboratory for Food Safety, Université PARIS-EST, Maisons-Alfort, France
| | - Emeline Cherchame
- ANSES, Laboratory for Food Safety, Université PARIS-EST, Maisons-Alfort, France
| | - Arnaud Felten
- ANSES, Laboratory for Food Safety, Université PARIS-EST, Maisons-Alfort, France
| | - Pauline Barbet
- ANSES, Laboratory for Food Safety, Université PARIS-EST, Maisons-Alfort, France
| | - Federica Palma
- ANSES, Laboratory for Food Safety, Université PARIS-EST, Maisons-Alfort, France
| | - Ludovic Mallet
- ANSES, Laboratory for Food Safety, Université PARIS-EST, Maisons-Alfort, France
| | - Simon Le Hello
- Unité des Bactéries Pathogènes Entériques, Institut Pasteur, Centre National de Référence des Salmonella, Paris, France
| | - François-Xavier Weill
- Unité des Bactéries Pathogènes Entériques, Institut Pasteur, Centre National de Référence des Salmonella, Paris, France
| | - Laurent Guillier
- ANSES, Laboratory for Food Safety, Université PARIS-EST, Maisons-Alfort, France
| | - Michel-Yves Mistou
- ANSES, Laboratory for Food Safety, Université PARIS-EST, Maisons-Alfort, France
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Hendriksen RS, Bortolaia V, Tate H, Tyson GH, Aarestrup FM, McDermott PF. Using Genomics to Track Global Antimicrobial Resistance. Front Public Health 2019; 7:242. [PMID: 31552211 PMCID: PMC6737581 DOI: 10.3389/fpubh.2019.00242] [Citation(s) in RCA: 199] [Impact Index Per Article: 39.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Accepted: 08/13/2019] [Indexed: 11/30/2022] Open
Abstract
The recent advancements in rapid and affordable DNA sequencing technologies have revolutionized diagnostic microbiology and microbial surveillance. The availability of bioinformatics tools and online accessible databases has been a prerequisite for this. We conducted a scientific literature review and here we present a description of examples of available tools and databases for antimicrobial resistance (AMR) detection and provide future perspectives and recommendations. At least 47 freely accessible bioinformatics resources for detection of AMR determinants in DNA or amino acid sequence data have been developed to date. These include, among others but not limited to, ARG-ANNOT, CARD, SRST2, MEGARes, Genefinder, ARIBA, KmerResistance, AMRFinder, and ResFinder. Bioinformatics resources differ for several parameters including type of accepted input data, presence/absence of software for search within a database of AMR determinants that can be specific to a tool or cloned from other resources, and for the search approach employed, which can be based on mapping or on alignment. As a consequence, each tool has strengths and limitations in sensitivity and specificity of detection of AMR determinants and in application, which for some of the tools have been highlighted in benchmarking exercises and scientific articles. The identified tools are either available at public genome data centers, from GitHub or can be run locally. NCBI and European Nucleotide Archive (ENA) provide possibilities for online submission of both sequencing and accompanying phenotypic antimicrobial susceptibility data, allowing for other researchers to further analyze data, and develop and test new tools. The advancement in whole genome sequencing and the application of online tools for real-time detection of AMR determinants are essential to identify control and prevention strategies to combat the increasing threat of AMR. Accessible tools and DNA sequence data are expanding, which will allow establishing global pathogen surveillance and AMR tracking based on genomics. There is however, a need for standardization of pipelines and databases as well as phenotypic predictions based on the data.
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Affiliation(s)
- Rene S. Hendriksen
- European Union Reference Laboratory for Antimicrobial Resistance, World Health Organisation, Collaborating Center for Antimicrobial Resistance and Genomics in Food borne Pathogens, FAO Reference Laboratory for Antimicrobial Resistance, National Food Institute, Technical University of Denmark, Lyngby, Denmark
| | - Valeria Bortolaia
- European Union Reference Laboratory for Antimicrobial Resistance, World Health Organisation, Collaborating Center for Antimicrobial Resistance and Genomics in Food borne Pathogens, FAO Reference Laboratory for Antimicrobial Resistance, National Food Institute, Technical University of Denmark, Lyngby, Denmark
| | - Heather Tate
- Center for Veterinary Medicine, Office of Research, United States Food and Drug Administration, Laurel, MD, United States
| | - Gregory H. Tyson
- Center for Veterinary Medicine, Office of Research, United States Food and Drug Administration, Laurel, MD, United States
| | - Frank M. Aarestrup
- European Union Reference Laboratory for Antimicrobial Resistance, World Health Organisation, Collaborating Center for Antimicrobial Resistance and Genomics in Food borne Pathogens, FAO Reference Laboratory for Antimicrobial Resistance, National Food Institute, Technical University of Denmark, Lyngby, Denmark
| | - Patrick F. McDermott
- Center for Veterinary Medicine, Office of Research, United States Food and Drug Administration, Laurel, MD, United States
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Egli A, Koch D, Danuser J, Hendriksen RS, Driesen S, Schmid DC, Neher R, Mäusezahl M, Seth-Smith HMB, Bloemberg G, Tschudin-Sutter S, Endimiani A, Perreten V, Greub G, Schrenzel J, Stephan R. Symposium report: One Health meets sequencing. Microbes Infect 2019; 22:1-7. [PMID: 31401354 DOI: 10.1016/j.micinf.2019.07.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 07/20/2019] [Accepted: 07/21/2019] [Indexed: 12/19/2022]
Affiliation(s)
- Adrian Egli
- Clinical Bacteriology and Mycology, University Hospital Basel, Basel, Switzerland; Applied Microbiology Research, University of Basel, Basel, Switzerland.
| | - Daniel Koch
- Federal Office of Public Health, Liebefeld, Switzerland
| | - Jürg Danuser
- Federal Food Safety and Veterinary Office, Bern, Switzerland
| | | | | | | | - Richard Neher
- Swiss Institute of Bioinformatics (SIB), Basel, Switzerland; Biozentrum, University of Basel, Basel, Switzerland
| | | | - Helena M B Seth-Smith
- Clinical Bacteriology and Mycology, University Hospital Basel, Basel, Switzerland; Applied Microbiology Research, University of Basel, Basel, Switzerland; Swiss Institute of Bioinformatics (SIB), Basel, Switzerland
| | - Guido Bloemberg
- National Center for Enteropathogenic Bacteria and Listeria (NENT), Institute for Food Safety and Hygiene, University of Zurich, Zurich, Switzerland
| | - Sarah Tschudin-Sutter
- Infectious Diseases and Hospital Epidemiology, University Hospital Basel and University of Basel, Basel, Switzerland
| | - Andrea Endimiani
- Institute for Infectious Diseases, University of Bern, Bern, Switzerland
| | - Vincent Perreten
- Institute of Veterinary Bacteriology, Vetsuisse Faculty, University of Bern, Bern, Switzerland
| | - Gilbert Greub
- Institute of Microbiology, University Hospital Lausanne, Lausanne, Switzerland
| | - Jacques Schrenzel
- Bacteriology and Genomics Research Laboratories, University Hospital Geneva, Geneva, Switzerland
| | - Roger Stephan
- Institute for Food Safety and -hygiene, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland
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Draft Genome Sequences of Antimicrobial-Resistant Shigella Clinical Isolates from Pakistan. Microbiol Resour Announc 2019; 8:8/30/e00500-19. [PMID: 31346012 PMCID: PMC6658682 DOI: 10.1128/mra.00500-19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Shigella spp. are the most common cause of dysentery in developing countries and the second leading cause of diarrheal deaths worldwide. Multidrug-resistant (MDR) Shigella spp. are a serious threat to global health. Herein, we report draft genome sequences for three MDR Shigella isolates from Pakistan, two Shigella flexneri isolates and one Shigella sonnei isolate. Shigella spp. are the most common cause of dysentery in developing countries and the second leading cause of diarrheal deaths worldwide. Multidrug-resistant (MDR) Shigella spp. are a serious threat to global health. Herein, we report draft genome sequences for three MDR Shigella isolates from Pakistan, two Shigella flexneri isolates and one Shigella sonnei isolate.
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