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Identification of virulence-modulating RNA from transcriptomics data with machine learning.
Virulence
December 2023
Department of Orthopedics, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
The virulence factors of are tightly controlled by two-component systems (TCSs) and small RNA (sRNA). TCSs have been well studied over the past several decades, but our understanding of sRNA functions lags far behind that of TCS functions. Here, we studied the biological role of sRNA from 506 RNA-seq datasets using independent component analysis (ICA).
View Article and Find Full Text PDFGenomic characterization of enterohaemolysin-encoding haemolytic of animal and human origin.
Microb Genom
April 2023
Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Wrocław University of Environmental and Life Sciences, Wrocław, Poland.
Enterohaemolysin (Ehx) and alpha-haemolysin are virulence-associated factors (VAFs) causing the haemolytic phenotype in . It has been shown that chromosomally and plasmid-encoded alpha-haemolysin are characteristic of specific pathotypes, virulence-associated factors and hosts. However, the prevalence of alpha- and enterohaemolysin does not overlap in the majority of pathotypes.
View Article and Find Full Text PDFSeptic arthritis in an in vivo murine model induced by : a comparison between actions of the haemolysin toxin and the effects of the host immune response.
Bone Joint Res
September 2022
Department of Orthopaedics and Trauma, University of Edinburgh, Edinburgh, UK.
Aims: is a major cause of septic arthritis, and in vitro studies suggest α haemolysin (Hla) is responsible for chondrocyte death. We used an in vivo murine joint model to compare inoculation with wild type 8325-4 with a Hla-deficient strain DU1090 on chondrocyte viability, tissue histology, and joint biomechanics. The aim was to compare the actions of Hla alone with those of the animal's immune response to infection.
View Article and Find Full Text PDFInflammatory Response of Primary Cultured Bovine Mammary Epithelial Cells to Extracellular Vesicles.
Biology (Basel)
March 2022
Animal Physiology, Institute of Agricultural Sciences, ETH Zurich, 8092 Zurich, Switzerland.
In dairy cows, () is among the most prevalent microorganisms worldwide, causing mastitis, an inflammation of the mammary gland. Production of extracellular vesicles (EVs) is a common feature of strains, which contributes to its pathogenesis by delivering bacterial effector molecules to host cells. In the current study, we evaluated the differences between five mastitis isolates regarding their EV production.
View Article and Find Full Text PDFThe most prevalent pathogen in bone infections is Staphylococcus aureus; its incidence and severity are partially determined by host factors. Prior studies showed that anti-glucosaminidase (Gmd) antibodies are protective in animals, and 93.3 % of patients with culture-confirmed S.
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