ArticleScientific reports2018
Surviving host - and food relevant stresses: phenotype of L. monocytogenes strains isolated from food and clinical sources.
Article in Scientific reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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12 citing papers in PubMed, 21 citations in OpenAlex.
- A multidrug-resistantMicrobial genomics · 2023Article
- Review
- Phylogenetic and Phenotypic Analyses of a Collection of Food and Clinical Listeria monocytogenes Isolates Reveal Loss of Function of Sigma B from Several Clonal Complexes.Applied and environmental microbiology · 2022Article
- Genetic Diversity and Relationships ofMicroorganisms · 2022Article
- Pathogenicity and virulence ofVirulence · 2021Article
- Landscape of Stress Response and Virulence Genes AmongFrontiers in microbiology · 2021Review
- Whole Genome-Based Characterization ofFrontiers in microbiology · 2021Article
- Virulence and Antibiotic Resistance Genes inFrontiers in microbiology · 2021Article
- Persistent and sporadic Listeria monocytogenes strains do not differ when growing at 37 °C, in planktonic state, under different food associated stresses or energy sources.BMC microbiology · 2019Article
- Meta-Analysis and Meta-Regression Indicate Dynamic Prevalence and Moderators of Foodborne Pathogens in African Indigenous Fermented Milk.Microorganisms · 2019Article
- Global Transcriptional Response of Three Highly Acid-Tolerant Field Strains ofMicroorganisms · 2019Article
- Hypervirulent Listeria monocytogenes clones' adaption to mammalian gut accounts for their association with dairy products.Nature communications · 2019Article
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The aim of this study was to compare the phenotype of 40 strains of L. monocytogenes under food and host relevant stress conditions. The strains were chosen to represent food and clinical isolates and to be equally distributed between the most relevant clonal complexes for clinical and food isolates (CC1 and CC6 vs CC121 and CC9), plus one group of eight strains of rare clonal complexes. Human-associated CC1 had a faster maximal growth rate than the other major complexes, and the lag time of CC1 and CC6 was significantly less affected by the addition of 4% NaCl to the medium. Food-associated CC9 strains were hypohemolytic compared to other clonal complexes, and all strains found to be resistant to increased concentrations of benzalkonium chloride belonged to CC121 and were positive for Tn6188 carrying the qacH gene. Lactic acid affected the survival of L. monocytogenes more than HCl, and there was a distinct, strain specific pattern of acid tolerant and sensitive strains. Strains from CC6 and human clinical isolates are less resilient under acid stress than those from other complexes and from food. One strain isolated from a human patient exhibited significant growth defects across all conditions.
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