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Metabolic tug-of-war: Microbial metabolism shapes colonization resistance against enteric pathogens.
Cell Chem Biol
January 2025
Department of Pathology, Microbiology & Immunology, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Howard Hughes Medical Institute, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Vanderbilt Institute of Infection, Immunology and Inflammation, Vanderbilt University Medical Center, Nashville, TN 37232, USA. Electronic address:
A widely recognized benefit of gut microbiota is that it provides colonization resistance against enteric pathogens. The gut microbiota and their products can protect the host from invading microbes directly via microbe-pathogen interactions and indirectly by host-microbiota interactions, which regulate immune system function. In contrast, enteric pathogens have evolved mechanisms to utilize microbiota-derived metabolites to overcome colonization resistance and increase their pathogenic potential.
View Article and Find Full Text PDFA scoping review of studies reporting biosecurity practices in small and backyard farms raising livestock or poultry in developed countries, 2000-2022.
Prev Vet Med
January 2025
Department of Population Health and Reproduction, School of Veterinary Medicine, University of California, Davis, Davis, CA 95616, United States. Electronic address:
Over the past two decades, there have been growing concerns around small and backyard farms in developed countries due to the potential risk they pose in introducing and spreading infectious disease agents. Ensuring high levels of biosecurity on these farms, through the maintenance of practices that prevent the introduction and transmission of disease agents, is essential in mitigating this risk. The aim of this study was to investigate, through a scoping review, the practices considered in articles reporting biosecurity in small and backyard farms raising livestock or poultry in developed countries, and how their implementation was examined.
View Article and Find Full Text PDFEvaluating the antibacterial efficacy of bee venom against multidrug-resistant pathogenic bacteria: Escherichia coli, Salmonella typhimurium, and Enterococcus faecalis.
World J Microbiol Biotechnol
January 2025
Microbiology, Botany Department, Faculty of Agriculture, Tanta University, Tanta City, 31527, Egypt.
Bee venom (BV) represents a promising natural alternative to conventional antibiotics, particularly significant given its broad-spectrum antimicrobial activity and potential to address the growing challenge of antimicrobial resistance. The prevalence of antimicrobial-resistant microorganisms (AMR) is a global burden that affects human health and the economies of different countries. As a result, several scientific communities around the world are searching for safe alternatives to antibiotics.
View Article and Find Full Text PDFThe infectivity of virus particles from Wolbachia-infected Drosophila.
BMC Microbiol
January 2025
School of the Environment, The University of Queensland, Brisbane, QLD, Australia.
Viruses transmitted by arthropods pose a huge risk to human health. Wolbachia is an endosymbiotic bacterium that infects various arthropods and can block the viral replication cycle of several medically important viruses. As such, it has been successfully implemented in vector control strategies against mosquito-borne diseases, including Dengue virus.
View Article and Find Full Text PDFMacrolide resistance due to (55).
Microbiol Spectr
January 2025
Institute for Microbial Systems and Society, Faculty of Science, University of Regina, Regina, Saskatchewan, Canada.
Unlabelled: Antimicrobial resistance (AMR) is a global threat. The identification and characterization of novel resistance genes is integral to AMR surveillance. The (55) gene was originally identified through whole genome sequencing of macrolide-resistant strains of .
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