ArticleBioMed research international2015
Molecular Epidemiology of Invasive Listeriosis due to Listeria monocytogenes in a Spanish Hospital over a Nine-Year Study Period, 2006-2014.
Article in BioMed research international, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed, 26 citations in OpenAlex.
- Genetic diversity ofAIMS microbiology · 2024Article
- Review
- Epidemiology and Clinical Features of Listeriosis in Gipuzkoa, Spain, 2010-2020.Frontiers in microbiology · 2022Article
- Analysis of virulence genes and molecular typing of Listeria monocytogenes isolates from human, food, and livestock from 2008 to 2016 in Iran.Tropical animal health and production · 2021Article
- Landscape of Stress Response and Virulence Genes AmongFrontiers in microbiology · 2021Review
- Presence ofMicroorganisms · 2020Article
- Prevalence, Pathogenicity, Virulence, Antibiotic Resistance, and Phylogenetic Analysis of Biofilm-ProducingPathogens (Basel, Switzerland) · 2019Article
- Characterization ofFoods (Basel, Switzerland) · 2019Article
- Listeriosis in Spain based on hospitalisation records, 1997 to 2015: need for greater awareness.Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2019Article
- Association of Listeria monocytogenes LIPI-1 and LIPI-3 marker llsX with invasiveness.Current microbiology · 2019Article
- Isolation and Characterization of ClinicalFrontiers in microbiology · 2019Article
- Pregnancy Vaccination with Gold Glyco-Nanoparticles Carrying Listeria monocytogenes Peptides Protects against Listeriosis and Brain- and Cutaneous-Associated Morbidities.Nanomaterials (Basel, Switzerland) · 2016Article
- Characteristics and distribution of Listeria spp., including Listeria species newly described since 2009.Applied microbiology and biotechnology · 2016Review
- Biomarker Tools to Design Clinical Vaccines Determined from a Study of Annual Listeriosis Incidence in Northern Spain.Frontiers in immunology · 2016Article
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Authors and funding
6 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We investigated the pathogenicity, invasiveness, and genetic relatedness of 17 clinical Listeria monocytogenes stains isolated over a period of nine years (2006-2014). All isolates were phenotypically characterised and growth patterns were determined. The antimicrobial susceptibility of L. monocytogenes isolates was determined in E-tests. Invasion assays were performed with epithelial HeLa cells. Finally, L. monocytogenes isolates were subtyped by PFGE and MLST. All isolates had similar phenotypic characteristics (β-haemolysis and lecithinase activity), and three types of growth curve were observed. Bacterial recovery rates after invasion assays ranged from 0.09% to 7.26% (1.62 ± 0.46). MLST identified 11 sequence types (STs), and 14 PFGE profiles were obtained, indicating a high degree of genetic diversity. Genetic studies unequivocally revealed the occurrence of one outbreak of listeriosis in humans that had not previously been reported. This outbreak occurred in October 2009 and affected three patients from neighbouring towns. In conclusion, the molecular epidemiological analysis clearly revealed a cluster (three human cases, all ST1) of not previously reported listeriosis cases in northwestern Spain. Our findings indicate that molecular subtyping, in combination with epidemiological case analysis, is essential and should be implemented in routine diagnosis, to improve the tracing of the sources of outbreaks.
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