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Temperate bacteriophage SapYZUs7 alters Staphylococcus aureus fitness balance by regulating expression of phage resistance, virulence and antimicrobial resistance gene.
Microbiol Res
March 2025
College of Food Science and Engineering, Yangzhou University, Yangzhou, Jiangsu 225127, China; Yangzhou Engineering Research Center of Food Intelligent Packaging and Preservation Technology, Yangzhou University, Yangzhou, Jiangsu 225127, China. Electronic address:
Temperate bacteriophages are crucial for maintaining the pathogenicity and fitness of S. aureus, which also show promise as a biocontrol agent for S. aureus.
View Article and Find Full Text PDFPhage-resistance alters Lipid A reactogenicity: a new strategy for LPS-based conjugate vaccines against Rissen.
Front Immunol
December 2024
Department of Agricultural Sciences, University of Naples Federico II, Portici, Italy.
serovar Rissen ( Rissen) is an emerging causative agent of foodborne diseases. The current emergence of antibiotic resistance makes necessary alternative therapeutic strategies. In this study, we investigated the potential of a phage-resistant strain of Rissen (R) as a tool for developing an effective lipopolysaccharide (LPS)-based vaccine.
View Article and Find Full Text PDFInsights into the dynamics and evolution of Rummeliibacillus stabekisii prophages in extreme environments: from Antarctic soil to spacecraft floors.
Extremophiles
December 2024
Laboratório de Ecologia E Biotecnologia Microbiana, Instituto de Microbiologia Paulo de Góes, Centro de Ciências da Saúde, Universidade Federal Do Rio de Janeiro (UFRJ), Bloco I, Rio de Janeiro (RJ), Brazil.
Since prophages can play a multifaceted role in bacterial evolution, this study aims to characterize the virome of Rummeliibacillus stabekisii, a bacterium isolated from different environments, including Antarctic soil and NASA spacecraft floors. From the analyses, it was found that the Antarctic strain, PP9, had the largest number of prophages, including intact ones, indicating potential benefits for survival in adverse conditions. In contrast, other strains harbored predominantly degenerate prophages, suggesting a dynamic process of gene gain and loss during evolution.
View Article and Find Full Text PDFTemperate phage-antibiotic synergy is widespread-extending to -but varies by phage, host strain, and antibiotic pairing.
mBio
December 2024
Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Ontario, Canada.
Unlabelled: Bacteriophages (phages) are bacterial-specific viruses that can be used alone or with antibiotics to reduce bacterial load. Most phages are unsuitable for therapy because they are "temperate" and can integrate into the host genome, forming a lysogen that is protected from subsequent phage infections. However, integrated phages can be awakened by stressors such as antibiotics.
View Article and Find Full Text PDFcharacterization and genome sequencing of two novel lytic phages against Infantis isolated from poultry feces.
Front Microbiol
December 2024
Experimental Zooprophylactic Institute of Abruzzo and Molise "G. Caporale", Teramo, Italy.
Introduction: spp. is the second most common bacteria associated with foodborne gastrointestinal outbreaks in humans, with the highest contamination levels in meat, especially poultry. subsp.
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