Verona integron-encoded metallo-Beta-lactamase (VIM) and Vietnam extended- spectrum Beta-lactamase (VEB) producing pseudomonas balearica from a clinical specimen | [Journal of Pakistan Medical Association • 2022]

Author(s):

1. Fakhur Uddin: Department of Microbiology, Basic Medical Sciences Institute, Jinnah Postgraduate Medical Center,Karachi,Pakistan

2. Muhammad Sohail: Department of Microbiology, University of Karachi,Karachi,Pakistan

3. Qurban Hussain Shaikh: Department of Medicine, Jinnah Postgraduate Medical Center, Karachi, Pakistan,

4. Mir Tahir Hussain: Department of Medicine, Jinnah Postgraduate Medical Center, Karachi, Pakistan,

5. Kerry Roulston: UCL Centre for Clinical Microbiology, Royal Free Campus, UCL, London, United Kingdom

6. Timothy Daniel McHugh: UCL Centre for Clinical Microbiology, Royal Free Campus, UCL, London, United Kingdom

Abstract:

Pseudomonas balearica, a saprophyte found in marshy and marine habitats, is not routinely differentiated from P. aeruginosa and P. stutzeri using automated systems and hence has not been reported from clinical samples. This study describes the identification of P. balearica using MALDI-TOF-MS and 16S rDNA sequence from a patient admitted to an intensive care unit (I.C.U.). The isolate was found to be Verona integron-mediated Metallo-b lactamase (V.I.M.), and Vietnam extended-spectrum b lactamase (V.E.B.) producer and resistant to Ceftriaxone, Imipenem, and Tobramycin. P. balearica can be a source for horizontal transfer of blaVEB and blaVIM. Its pathogenesis has yet to be understood.

Page(s): 761-763

DOI: DOI not available

Published: Journal: Journal of Pakistan Medical Association, Volume: 72, Issue: 4, Year: 2022

Keywords:

Pseudomonas stutzeri , Pseudomonas balearica , Emerging pathogen , b lacamases

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