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An extended genotyping framework for Salmonella enterica serovar Typhi, the cause of human typhoid

  • Vanessa K. Wong
  • , Stephen Baker
  • , Thomas R. Connor
  • , Derek Pickard
  • , Andrew J. Page
  • , Jayshree Dave
  • , Niamh Murphy
  • , Richard Holliman
  • , Armine Sefton
  • , Michael Millar
  • , Zoe A. Dyson
  • , Gordon Dougan
  • , Kathryn E. Holt
  • , Julian Parkhill
  • , Robert A. Kingsley
  • , Nicholas R. Thomson
  • , Jacqueline A. Keane
  • , James Hadfield
  • , Elizabeth J. Klemm
  • , Simon R. Harris
  • Amy K. Cain, Samuel Kariuki, Chinyere Okoro, Calman A. MacLennan, Nga Tran Vu Thieu, Duy Pham Thanh, Corinne Thompson, Christiane Dolecek, James I. Campbell, Guy Thwaites, Jeremy Farrar, Paul N. Newton, David Dance, Paul Turner, E. Kim Mulholland, Jane Hawkey, David J. Edwards, Nick Feasey, François Xavier Weill, Simon Le Hello, Peter J. Hart, Robert F. Breiman, Robert S. Onsare, Conall H. Watson, W. John Edmunds, Melita A. Gordon, Robert S. Heyderman, Chisomo Msefula, Jan Jacobs, Octavie Lunguya, Jose A. Chabalgoity, Mike Kama, Kylie Jenkins, Shanta Dutta, Florian Marks, Josefina Campos, Stephen Obaro, Karen H. Keddy, Anthony M. Smith, Christopher Parry, Abhilasha Karkey, Sabina Dongol, Buddha Basnyat, Amit Arjyal, Muriel Dufour, Don Bandaranayake, Take N. Toleafoa, Shalini Pravin Singh, Mochammad Hatta, Viengmon Davong, Lupeoletalalelei Isaia, Lalith Wijedoru, John A. Crump, Elizabeth De Pinna, Satheesh Nair, Eric J. Nilles, Sona Soeng, Mary Valcanis, Joan Powling, Karolina Dimovski, Geoff Hogg, Alison E. Mather, Ben Amos
  • Wellcome Sanger Institute
  • Cambridge University Hospitals NHS Foundation Trust
  • University of Oxford
  • London School of Hygiene and Tropical Medicine
  • Cardiff University
  • UK Health Security Agency
  • Barts Health NHS Trust
  • University of Melbourne
  • Quadram Institute
  • Kenya Medical Research Institute
  • University of Birmingham
  • Lao PDR
  • Mahidol University
  • Angkor Hospital for Children
  • Murdoch Children's Research Institute
  • Institut Pasteur Paris
  • Centers for Disease Control and Prevention
  • Emory University
  • University of Liverpool
  • University of Malawi
  • University College London
  • Institute of Tropical Medicine Antwerp
  • KU Leuven
  • National Institute for Biomedical Research
  • University Hospital of Kinshasa
  • Universidad de la República
  • Ministry of Health
  • National Institute of Cholera and Enteric Diseases India
  • International Vaccine Institute, Seoul
  • Administración Nacional de Laboratorios e Institutos de Salud "Dr. Carlos G. Malbrán"
  • University of Nebraska Medical Center
  • University of Abuja, Gwagwalada
  • Bingham University
  • University of the Witwatersrand
  • Nagasaki University
  • ESR
  • Samoa Ministry of Health
  • World Health Organization
  • Universitas Hasanuddin
  • Tupua Tamasese Meaole Hospital
  • Chelsea and Westminster Hospital NHS Foundation Trust
  • University of Otago
  • University of Cambridge
  • St Augustine’s Hospital

Research output: Contribution to journalArticlepeer-review

138 Citations (Scopus)

Abstract

The population of Salmonella enterica serovar Typhi (S. Typhi), the causative agent of typhoid fever, exhibits limited DNA sequence variation, which complicates efforts to rationally discriminate individual isolates. Here we utilize data from whole-genome sequences (WGS) of nearly 2,000 isolates sourced from over 60 countries to generate a robust genotyping scheme that is phylogenetically informative and compatible with a range of assays. These data show that, with the exception of the rapidly disseminating H58 subclade (now designated genotype 4.3.1), the global S. Typhi population is highly structured and includes dozens of subclades that display geographical restriction. The genotyping approach presented here can be used to interrogate local S. Typhi populations and help identify recent introductions of S. Typhi into new or previously endemic locations, providing information on their likely geographical source. This approach can be used to classify clinical isolates and provides a universal framework for further experimental investigations.
Original languageEnglish
Article number12827
JournalNature Communications
Volume7
DOIs
Publication statusPublished - 1 Jan 2016

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

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