Journal
DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
Volume 89, Issue 4, Pages 310-313Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.diagmicrobio.2017.08.012
Keywords
IClebsiella pneumoniae; CIX-M-15; ST15; CC17; IncR; Bulgaria
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Funding
- Council of Medical Science at the Medical University of Sofia, Bulgaria [13/2016, 437/2016]
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A total of 82 extended spectrum beta-lactamase (ESBL) producing Klebsiella pneumoniae and 4 Klebsiella oxytoca isolates were collected in 2014 from four geographical areas in Bulgaria and their multilocus sequence type (MLST) and transferability of the ESBL encoding genes were investigated. The predominant type was CTX-M-15 (87%), followed by CTX-M-3 (9%), SHV-12 or SHV-2 (2%) and CTX-M-14 (1%). The CTX-M-15 producers belonged to ST15 (34.1%) and to a lesser extent to CC17 (ST16, ST17, ST336). The CTX-M-15 transconjugants showed a presence of R, A/C-2 and F replicons. The CTX-M-3 producers were assigned to ST29, ST70, ST432, ST542 and ST15 types and the transconjugants carried M2 replicons. To the best of our knowledge, this is the first report that fully describes the MIST types among Bulgarian ESBL producing K. pneumoniae and the first report of the detection of IncR plasmid replicon type in our country. (C) 2017 Elsevier Inc. All rights reserved.
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