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The healthy human gut can take it all: vancomycin-variable, linezolid-resistant strains and specific bacteriocin-species interplay in spp.
Appl Environ Microbiol
December 2024
UCIBIO, Unidade de Ciências Biomoleculares Aplicadas, Faculdade de Farmácia, Universidade do Porto, Porto, Portugal.
spp. are opportunistic human pathogens colonizing the human gut and a significant reservoir for the continuous adaptation of hospital clones. However, studies on the features of enterococci species co-colonizing healthy individuals are scarce.
View Article and Find Full Text PDFAustralian Group on Antimicrobial Resistance (AGAR) Australian Enterococcal Surveillance Outcome Program (AESOP) Bloodstream Infection Annual Report 2023.
Commun Dis Intell (2018)
December 2024
School of Medical, Molecular and Forensic Sciences, Murdoch University, Murdoch, Western Australia, Australia.
From 1 January to 31 December 2023, fifty-six institutions across Australia participated in the Australian Enterococcal Surveillance Outcome Program (AESOP). The aim of AESOP 2023 was to determine the proportion of enterococcal bacteraemia isolates in Australia that were antimicrobial resistant, and to determine the molecular epidemiology. Of the 1,599 unique episodes of enterococcal bacteraemia investigated, 92.
View Article and Find Full Text PDFAntimicrobial resistance, virulence gene profiles, and molecular epidemiology of enterococcal isolates from patients with urinary tract infections in Shanghai, China.
Microbiol Spectr
January 2025
Department of Laboratory Medicine, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Unlabelled: Urinary tract infections (UTIs) are among the most prevalent infectious diseases, yet there is still limited understanding of the epidemiology of Enterococcal strains isolated from UTI patients in Shanghai. This study aims to elucidate the antimicrobial resistance profiles, virulence gene carriage, and molecular epidemiology of selected Enterococcal strains from UTI patients in Shanghai. A cohort of 80 and 40 clinical isolates were randomly selected from UTI patients from October 2022 to March 2023.
View Article and Find Full Text PDFEmergence of lineage ST150 and linezolid resistance in : a molecular epidemiology study of UTIs in Tehran, Iran.
Front Microbiol
October 2024
Department of Microbiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
Background: Urinary tract infections (UTIs) represent one of the most prevalent bacterial infections, with Enterococcus species now recognized as the second leading cause of these infections. This study focused on symptomatic UTI cases to investigate the risk factors associated with clinical isolates in patients from Tehran, Iran.
Methods: Urine samples were collected from patients presenting with symptomatic UTIs.
Prevalence and genetic characterization of linezolid resistance gene reservoirs in hospital sewage from Zhejiang Province, China.
Sci Total Environ
December 2024
Clinical Microbiology Laboratory, The Second Affiliated Hospital of Zhejiang University School of Medicine, Zhejiang University, Hangzhou, China. Electronic address:
Article Synopsis
- Hospital sewage is a significant source of pathogens and antimicrobial resistance genes, highlighting critical health risks associated with bacterial resistance.
- A study in Zhejiang Province, China, found that a majority of Gram-positive isolates from hospital sewage carried linezolid resistance genes, predominantly the optrA gene, with Enterococci showing a high resistance rate of 77.8%.
- Phylogenetic analysis indicated a diverse presence of linezolid-resistant bacteria across multiple hospitals, with similar genetic structures of resistance genes found in different environments, underscoring the potential for gene transmission beyond hospitals.
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