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Kinetics, thresholds, and a comparison of mechanisms underlying systemic infection by Listeria monocytogenes.
J Theor Biol
February 2025
Department of Mathematics, Florida State University, Tallahassee, 32301, FL, United States of America. Electronic address:
Studies on the system-scale pathogenesis of Listeria monocytogenes infection have classically focused on its ability to colonize in the intestines following an exposure event. However, despite this, many of the most dangerous complications arising from L. monocytogenes infection are observed days, weeks, or months after exposure, resulting indirectly from bacteria escaping this intestinal colonization hub and invading other organs.
View Article and Find Full Text PDFIntegrative analysis of transcriptomic and immunoproteomic data reveals stress response mechanisms in .
Heliyon
November 2024
Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise 'G. Caporale', Campo Boario, 64100, Teramo, Italy.
is a significant concern in the food industry due to its association with outbreaks of listeriosis, particularly affecting vulnerable populations. High-throughput technologies such as RNA sequencing (RNA-seq) and proteomics offer valuable insights into the molecular responses of to stress environments. In this study, a combined transcriptomic and immunoproteomic approach was applied to explore the stress response mechanisms of the strain ST7, which was responsible for an outbreak in central Italy.
View Article and Find Full Text PDFCurrent methodologies available to evaluate the virulence potential among clonal complexes.
Front Microbiol
October 2024
Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, Porto, Portugal.
Article Synopsis
- Listeria monocytogenes is a foodborne pathogen responsible for listeriosis, with varying severity depending on individual and pathogen factors, including potential epigenetic influences on host susceptibility.
- The pathogen exhibits genetic and phenotypic diversity, leading to different virulence levels across strains, which can be categorized using multilocus sequence typing (MLST) to identify "hypervirulent" and "hypovirulent" clonal complexes.
- The Food and Agriculture Organization (FAO) advocates for the identification of virulence biomarkers to target the most concerning strains, helping to reduce food waste and economic losses while reviewing methodologies that assess the virulence potential of different clonal complexes.
A novel brominated chalcone derivative as a promising multi-target inhibitor against multidrug-resistant Listeria monocytogenes.
Microb Pathog
November 2024
Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulathur, 603203, Chengalpattu District, Tamil Nadu, India. Electronic address:
Foodborne pathogens continue to challenge public health due to their ability to cause severe illness and their increasing resistance to current antimicrobial treatments. Listeria monocytogenes is a resilient foodborne pathogen that poses significant risks to vulnerable populations, leading to severe infections and high hospitalization rates. The emergence of antimicrobial-resistant (AMR) strains of L.
View Article and Find Full Text PDFClinical and microbiological characteristics and follow-up of invasive Listeria monocytogenes infection among hospitalized patients: real-world experience of 16 years from Hungary.
BMC Microbiol
September 2024
Faculty of Medicine, Semmelweis University, H-1085 Ulloi ut 26, Budapest, Hungary.
Purpose: Invasive Listeria monocytogenes infection is rare, but can lead to life-threatening complications among high-risk patients. Our aim was to assess characteristics and follow-up of adults hospitalized with invasive L. monocytogenes infection.
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