There has been a significant increase in hospital and community acquired infection in the past decade. In addition to CDI, the rate of infection with enterohemorrhagic (EHEC) has also increased by 28% in United States in the last five years. Concomitant CDI and EHEC infections are rare and if not identified early such co-infections can be fatal. We present the case of patient with hematochezia who was found to be positive for and EHEC. She had a complicated hospital course that required timely identification of complications and management.
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http://dx.doi.org/10.1016/j.idcr.2020.e00797 | DOI Listing |
Microorganisms
January 2025
College of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China.
With the growing demand for sheep, the sheep farming industry has developed rapidly. However, lamb diarrhea, a disease with high mortality rates, significantly hampers the industry's growth. Traditional antibiotic treatments often disrupt the Intestinal microbiota, induce antibiotic resistance, and cause adverse side effects, highlighting the urgent need to develop alternative therapies.
View Article and Find Full Text PDFToxins (Basel)
December 2024
Department of Anesthesiology and Intensive Care Medicine, Jena University Hospital, Am Klinikum 1, 07747 Jena, Germany.
Hemolytic-uremic syndrome (HUS) is a systemic complication of an infection with Shiga toxin (Stx)-producing enterohemorrhagic , primarily leading to acute kidney injury (AKI) and microangiopathic hemolytic anemia. Although free heme has been found to aggravate renal damage in hemolytic diseases, the relevance of the heme-degrading enzyme heme oxygenase-1 (HO-1, encoded by ) in HUS has not yet been investigated. We hypothesized that HO-1 also important in acute phase responses in damage and inflammation, contributes to renal pathogenesis in HUS.
View Article and Find Full Text PDFPLoS Pathog
October 2024
School of Infection and Immunity, University of Glasgow, Glasgow, United Kingdom.
The ability of the attaching and effacing pathogens enterohaemorrhagic Escherichia coli (EHEC) and Citrobacter rodentium to overcome colonisation resistance is reliant on a type 3 secretion system used to intimately attach to the colonic epithelium. This crucial virulence factor is encoded on a pathogenicity island known as the Locus of Enterocyte Effacement (LEE) but its expression is regulated by several core-genome encoded transcription factors. Here, we unveil that the core transcription factor PdhR, traditionally known as a regulator of central metabolism in response to cellular pyruvate levels, is a key activator of the LEE.
View Article and Find Full Text PDFNat Microbiol
September 2024
Department of Medical Microbiology and Immunology, University of Wisconsin-Madison, Madison, WI, USA.
Interactions between microbiota and enteric pathogens can promote colonization resistance or enhance pathogenesis. The pathobiont Enterococcus faecalis increases enterohaemorrhagic E. coli (EHEC) virulence by upregulating Type 3 Secretion System (T3SS) expression, effector translocation, and attaching and effacing (AE) lesion formation on enterocytes, but the mechanisms underlying this remain unknown.
View Article and Find Full Text PDFCell Rep
April 2024
Department of Immunology, UConn Health School of Medicine, 263 Farmington Avenue, Farmington, CT 06030, USA. Electronic address:
During infections, host cells are exposed to pathogen-associated molecular patterns (PAMPs) and virulence factors that stimulate multiple signaling pathways that interact additively, synergistically, or antagonistically. The net effect of such higher-order interactions is a vital determinant of the outcome of host-pathogen interactions. Here, we demonstrate one such complex interplay between bacterial exotoxin- and PAMP-induced innate immune pathways.
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