A novel characterised multidrug-resistant Pseudocitrobacter isolated from a patient colonised while admitted to a tertiary teaching hospital

Kelly, Stephen A.; O’Connell, Nuala H.; Thompson, Thomas. P.; Dillon, Lucy; Wu, Jiaqi; Creevey, Chris; Powell, James; Gilmore, Brendan F.; Dunne, Colum P.

doi:10.1016/j.jhin.2023.12.010

Journal of Hospital Infection

2024

DOI: 10.1016/j.jhin.2023.12.010

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A novel characterised multidrug-resistant Pseudocitrobacter isolated from a patient colonised while admitted to a tertiary teaching hospital

Stephen A. Kelly,

Nuala H. O’Connell,

Thomas. P. Thompson

et al.

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2024

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Cited by 2 publications

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Seek and you shall find: Yersinia enterocolitica in Ireland’s drinking water

Powell,

Daly,

O’Connell

et al. 2024

Ir J Med Sci

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Introduction Three Yersinia species were identified from samples of drinking water from diverse geographic regions of Ireland. Conventional commercial biochemical identification systems classified them as Yersinia enterocolitica. Since this organism is the most common cause of bacterial gastroenteritis in some countries, further investigation was warranted. The aim of the study was to provide a microbial characterisation of three Yersinia species, to determine their pathogenicity, and to review the incidence rate of Yersinia enterocolitica detection in our region. Methods Organism identification was performed using conventional commercial diagnostic systems MALDI-TOF, API 20E, API 50CHE, TREK Sensititre GNID and Vitek 2 GN, and whole genome sequencing (WGS) was performed. Historical data for detections was extracted from the lab system for 2008 to 2023. Results All three isolates gave “good” identifications of Yersinia enterocolitica on conventional systems. Further analysis by WGS matched two of the isolates with recently described Yersinia proxima, and the third was a member of the non-pathogenic Yersinia enterocolitica clade 1Aa. Discussion Our analysis of these three isolates deemed them to be Yersinia species not known currently to be pathogenic, but determining this necessitated the use of next-generation sequencing and advanced bioinformatics. Our work highlights the importance of having this technology available to public laboratories, either locally or in a national reference laboratory. The introduction of molecular technologies for the detection of Yersinia species may increase the rate of detections. Accurate identification of significant pathogens in environmental, public health and clinical microbiology laboratories is critically important for the protection of society.

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Seek and you shall find: Yersinia enterocolitica in Ireland’s drinking water

Powell,

Daly,

O’Connell

et al. 2024

Ir J Med Sci

View full text Add to dashboard Cite

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Extended-Spectrum β-Lactamase-Producing Bacteria from Hospital Wastewater Pipes: Isolation, Characterisation, and Biofilm Control using Common Disinfectants

Wu,

Thompson,

O’Connell

et al. 2024

Journal of Hospital Infection

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A novel characterised multidrug-resistant Pseudocitrobacter isolated from a patient colonised while admitted to a tertiary teaching hospital

Cited by 2 publications

References 38 publications

Seek and you shall find: Yersinia enterocolitica in Ireland’s drinking water

Seek and you shall find: Yersinia enterocolitica in Ireland’s drinking water

Extended-Spectrum β-Lactamase-Producing Bacteria from Hospital Wastewater Pipes: Isolation, Characterisation, and Biofilm Control using Common Disinfectants

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