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Comprehensive Genome Analysis of Colistin-Only-Sensitive KPC-2 and NDM1-1-Coproducing Klebsiella pneumoniae ST11 and Acinetobacter baumannii ST2 From a Critically Ill Patient With COVID-19 in Saudi Arabia

The COVID-19 pandemic has intensified the issue of multidrug-resistant (MDR) infections, particularly in intensive care units (ICUs). This study documents the first known case of coinfection with two extensively drug-resistant (XDR) bacterial isolates in a critically ill patient with COVID-19 in Sau...

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Bibliographic Details
Published in:International journal of microbiology 2024-10, Vol.2024
Main Authors: Al-Zahrani, Ibrahim A, Brek, Thamer M
Format: Article
Language:English
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Summary:The COVID-19 pandemic has intensified the issue of multidrug-resistant (MDR) infections, particularly in intensive care units (ICUs). This study documents the first known case of coinfection with two extensively drug-resistant (XDR) bacterial isolates in a critically ill patient with COVID-19 in Saudi Arabia. Both XDR isolates were recovered from blood and were resistant to all tested antimicrobial agents except colistin. Whole genome sequencing (WGS) revealed that the K. pneumoniae isolate KP-JZ107 had sequence type 11 (ST11) and core genome MLST (cgMLST 304742), while the A. baumannii isolate AB-JZ67 had ST2 and cgMLST 785. KP-JZ107 was found to possess the virulence plasmid KpVP-type-1, carbapenemase genes bla[sub.NDM] and bla[sub.KPC], and numerous antimicrobial-resistant genes (ARGs). The AB-JZ67 isolate had several biofilm-related genes, including biofilm-associated protein (BAP), csuE, and pgaB, and multiple ARGs, including bla[sub.ADC-25], bla[sub.OXA-23], and bla[sub.OXA-66]. Our findings suggest that the coexistence of KP-JZ107 and AB-JZ67 isolates may indicate their widespread presence in ICUs, requiring comprehensive surveillance studies across all hospitals.
ISSN:1687-918X
1687-9198
DOI:10.1155/2024/9233075