Liseq – Whole-genome sequencing of a cross-sectional survey of listeria monocytogenes in ready-to-eat foods and human clinical cases in Europe

Anaïs Painset, Jonas T. Björkman, Kristoffer Kiil, Laurent Guillier, Jean François Mariet, Benjamin Felix, Corinne Amar, Ovidiu Rotariu, Sophie Roussel, Francisco Perez-Reche, Sylvain Brisse, Alexandra Moura, Marc Lecuit, Ken Forbes, Norval Strachan, Kathie Grant, Eva Møller-Nielsen, Timothy J. Dallman*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

98 Citations (Scopus)

Abstract

We present the LiSEQ (Listeria SEQuencing) project, funded by the European Food Safety Agency (EFSA) to compare Listeria monocytogenes isolates collected in the European Union from ready-to-eat foods, compartments along the food chain (e.g. food-producing animals, food-processing environments) and humans. In this article, we report the molecular characterization of a selection of this data set employing whole-genome sequencing analysis. We present an overview of the strain diversity observed in different sampled sources, and characterize the isolates based on their virulence and resistance profile. We integrate into our analysis the global L. monocytogenes genome collection described by Moura and colleagues in 2016 to assess the representativeness of the LiSEQ collection in the context of known L. monocytogenes strain diversity.

Original languageEnglish
Article number000257
JournalMicrobial Genomics
Volume5
Issue number2
DOIs
Publication statusPublished - Feb 2019

Bibliographical note

Publisher Copyright:
© 2019 The Authors.

Keywords

  • Food
  • Genetic diversity
  • Human
  • Listeria monocytogenes
  • Phylogeny
  • Whole-genome sequencing

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