Multihospital occurrence of pan-resistant Klebsiella pneumoniae sequence type 147 with an ISEcp1-directed blaOXA-181 insertion in the mgrB gene in the United Arab Emirates

Sonnevend, Agnes, Ghazawi, Akela, Hashmey, Rayhan, Haidermota, Aliasgher, Girgis, Safinaz, Alfaresi, Mubarak, Omar, Mohammed, Paterson, David L., Zowawi, Hosam M. and Pal, Tibor (2017) Multihospital occurrence of pan-resistant Klebsiella pneumoniae sequence type 147 with an ISEcp1-directed blaOXA-181 insertion in the mgrB gene in the United Arab Emirates. Antimicrobial Agents and Chemotherapy, 61 7: . doi:10.1128/AAC.00418-17


Author Sonnevend, Agnes
Ghazawi, Akela
Hashmey, Rayhan
Haidermota, Aliasgher
Girgis, Safinaz
Alfaresi, Mubarak
Omar, Mohammed
Paterson, David L.
Zowawi, Hosam M.
Pal, Tibor
Title Multihospital occurrence of pan-resistant Klebsiella pneumoniae sequence type 147 with an ISEcp1-directed blaOXA-181 insertion in the mgrB gene in the United Arab Emirates
Journal name Antimicrobial Agents and Chemotherapy   Check publisher's open access policy
ISSN 1098-6596
0066-4804
Publication date 2017-07-01
Sub-type Article (original research)
DOI 10.1128/AAC.00418-17
Open Access Status Not yet assessed
Volume 61
Issue 7
Total pages 9
Place of publication Washington, DC, United States
Publisher American Society for Microbiology
Language eng
Abstract The emergence of pan-resistant Klebsiella pneumoniae strains is an increasing concern. In the present study, we describe a cluster of 9 pan-resistant K. pneumoniae sequence type 147 (ST147) isolates encountered in 4 patients over nearly 1 year in 3 hospitals of the United Arab Emirates (UAE). The isolates exhibited highly similar genotypes. All produced chromosomally encoded OXA-181, and the majority also produced the NDM-5 carbapenemase. As with the previously described single isolate from the UAE, MS6671, the mgrB was disrupted by a functional, ISEcp1-driven blaOXA-181 insertion causing resistance to carbapenems. The mutation was successfully complemented with an intact mgrB gene, indicating that it was responsible for colistin resistance. blaNDM-5 was located within a resistance island of an approximately 100-kb IncFII plasmid carrying ermB, mph(A), blaTEM-1B, rmtB, blaNDM-5, sul1, aadA2, and dfrA12 resistance genes. Sequencing this plasmid (pABC143-NDM) revealed that its backbone was nearly identical to that of plasmid pMS6671E from which several resistance genes, including blaNDM-5, had been deleted. More extensive similarities of the backbone and the resistance island were found between pABC143C-NDM and the blaNDM-5-carrying IncFII plasmids of two K. pneumoniae ST147 isolates from South Korea, one of which was colistin resistant, and both also produced OXA-181. Notably, one of these strains was isolated from a patient transferred from the UAE. Our data show that this pan-resistant clone has an alarming capacity to maintain itself over an extended period of time and is even likely to be transmitted internationally.
Keyword Carbapenems
Colistin
Klebsiella pneumoniae
Pan-resistance
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: UQ Centre for Clinical Research Publications
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School of Chemistry and Molecular Biosciences
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