ArticleBrazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]
Prevalence and serotype distribution of Listeria monocytogenes isolated from foods in Montevideo-Uruguay.
Article in Brazilian journal of microbiology : [publication of the Brazilian Society for Microbiology]. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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29 citing papers in PubMed, 66 citations in OpenAlex.
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- Genomic analysis of Listeria monocytogenes diversity over a 10-year period in Uruguay.Scientific reports · 2025Article
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- Listeria monocytogenes in the seafood industry: Exploring contamination sources, outbreaks, antibiotic susceptibility and genetic diversity.MicrobiologyOpen · 2024Review
- Listeria monocytogenes an Emerging Pathogen: a Comprehensive Overview on Listeriosis, Virulence Determinants, Detection, and Anti-Listerial Interventions.Microbial ecology · 2023Review
- Design and 3D printing of an electrochemical sensor forHeliyon · 2023Article
- Prevalence ofSouthern African journal of infectious diseases · 2023Article
- Quantification of Total and Viable Cells and Determination of Serogroups and Antibiotic Resistance Patterns ofAntibiotics (Basel, Switzerland) · 2022Article
- Assessment of the molecular epidemiology and genetic multiplicity of Listeria monocytogenes recovered from ready-to-eat foods following the South African listeriosis outbreak.Scientific reports · 2022Article
- Frozen Vegetable Processing Plants Can Harbour DiverseFoods (Basel, Switzerland) · 2022Article
- Whole-Genome Sequencing Reveals Multiple Subpopulations of Dominant and Persistent Lineage I Isolates ofMicroorganisms · 2022Article
- Absence of N-Acetylglucosamine Glycosylation onFrontiers in microbiology · 2022Article
- Assessment of multidrug-resistant Listeria monocytogenes in milk and milk product and One Health perspective.PloS one · 2022Article
- Identification and serotyping ofItalian journal of food safety · 2021Article
- Biosensors for European Zoonotic Agents: A Current Portuguese Perspective.Sensors (Basel, Switzerland) · 2021Review
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- Interactions betweenFoods (Basel, Switzerland) · 2021Article
- Virulence and Antibiotic Resistance Genes inFrontiers in microbiology · 2021Article
- Genomic Diversity ofFrontiers in microbiology · 2021Article
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Authors and funding
9 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The aim of this work was to study the prevalence of Listeria monocytogenes in foods obtained in retail shops and food industries located in Montevideo-Uruguay, and to identify the serogroups of the obtained isolates. Three-thousand one-hundred and seventy-five food samples (frozen, deli meats, ready-to-eat and cheese) were analyzed. The obtained isolates were serogrouped by multiplex PCR and serotyped by conventional procedure. Genetic comparisons were performed using pulsed-field gel electrophoresis on a sub-set of isolates belonging to the same serotype successively recovered from the same establishment. L. monocytogenes was isolated from 11.2% of samples. The highest prevalence was observed in frozen foods (38%), followed by cheese (10%). 1/2b and 4b were the most frequently identified serotypes. In six of 236 analyzed establishments we successively recovered L. monocytogenes isolates belonging to the same serotype. Most of them corresponded to serotype 1/2b. Pulsed-field gel electrophoresis profiles suggest that at least 33% of L. monocytogenes 1/2b isolates are genetically related and that may remain viable for prolonged periods. The observed prevalence of L. monocytogenes was lower than reported in neighboring countries. Our findings highlight the role that frozen foods may play in the spread of this pathogen, and the relevance of serotypes 1/2b and 4b.
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