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Lagarde J, Feurer C, Denis M, Douarre PE, Piveteau P, Roussel S. Listeria monocytogenes prevalence and genomic diversity along the pig and pork production chain. Food Microbiol 2024; 119:104430. [PMID: 38225039 DOI: 10.1016/j.fm.2023.104430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 11/10/2023] [Accepted: 11/19/2023] [Indexed: 01/17/2024]
Abstract
The facultative intracellular bacterium Listeria monocytogenes (L. monocytogenes) is the causative agent of listeriosis, a severe invasive illness. This ubiquitous species is widely distributed in the environment, but infection occurs almost exclusively through ingestion of contaminated food. The pork production sector has been heavily affected by a series of L. monocytogenes-related foodborne outbreaks in the past around the world. Ready-to-eat (RTE) pork products represent one of the main food sources for strong-evidence listeriosis outbreaks. This pathogen is known to be present throughout the entire pig and pork production chain. Some studies hypothesized that the main source of contamination in final pork products was either living pigs or the food-processing environment. A detailed genomic picture of L. monocytogenes can provide a renewed understanding of the routes of contamination from pig farms to the final products. This review provides an overview of the prevalence, the genomic diversity and the genetic background linked to virulence of L. monocytogenes along the entire pig and pork production chain, from farm to fork.
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Affiliation(s)
- Jean Lagarde
- ANSES, Salmonella and Listeria Unit (USEL), University of Paris-Est, Maisons-Alfort Laboratory for Food Safety, 14 rue Pierre et Marie Curie, 94700, Maisons-Alfort, France; INRAE, Unit of Process Optimisation in Food, Agriculture and the Environment (UR OPAALE), 17 avenue de Cucillé, 35000, Rennes, France
| | - Carole Feurer
- IFIP, The French Pig and Pork Institute, Department of Fresh and Processed Meat, La Motte au Vicomte, 35650, Le Rheu, France
| | - Martine Denis
- ANSES, Unit of Hygiene and Quality of Poultry and Pork Products (UHQPAP), Ploufragan-Plouzané-Niort Laboratory, 31 rue des fusillés, 22440, Ploufragan, France
| | - Pierre-Emmanuel Douarre
- ANSES, Salmonella and Listeria Unit (USEL), University of Paris-Est, Maisons-Alfort Laboratory for Food Safety, 14 rue Pierre et Marie Curie, 94700, Maisons-Alfort, France
| | - Pascal Piveteau
- INRAE, Unit of Process Optimisation in Food, Agriculture and the Environment (UR OPAALE), 17 avenue de Cucillé, 35000, Rennes, France
| | - Sophie Roussel
- ANSES, Salmonella and Listeria Unit (USEL), University of Paris-Est, Maisons-Alfort Laboratory for Food Safety, 14 rue Pierre et Marie Curie, 94700, Maisons-Alfort, France.
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