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Emergence of an ST1934:KL121 hypervirulent Klebsiella pneumoniae carrying a novel virulence-resistance hybrid plasmid with chromosomal integration of ICEKp1
Ist Teil von
European journal of clinical microbiology & infectious diseases, 2024-03, Vol.43 (3), p.617-622
Ort / Verlag
Berlin/Heidelberg: Springer Berlin Heidelberg
Erscheinungsjahr
2024
Link zum Volltext
Quelle
MEDLINE
Beschreibungen/Notizen
To identify the phenotypic and genomic characteristics of
K. pneumoniae
KP43 from bloodstream infection. KP43 was resistant to ticarcillin and tetracycline and was hypervirulent in the
Galleria mellonella
larvae infection model, positive for string test, and possessed high-level macrophage killing resistance. The hypervirulence phenotype was associated with the chromosome integration of ICE
Kp1
carrying
iroBCDN
-
iroP
,
rmpADC,
and
peg-344
, and a novel plasmid pKP43_vir_amr harboring
iutAiucABCD
. pKP43_vir_amr was an IncFIBκ/FII virulence-resistance hybrid conjugative plasmid which also carried antibiotic resistance genes. The emergence of such a strain and the spread of the novel virulence-resistance plasmid might pose a potential threat to public health.