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Global surveillance of antimicrobial resistance and hypervirulence in Klebsiella pneumoniae from LMICs: An in-silico approach

Silvester R, Madhavan A, Kokkat A, Parolla A, B M A, M H, Abdulla MH

The Science of the total environment, 2022

18 participants · 36 citations

Abstract

The global emergence of antimicrobial resistance (AMR) among pathogens is a major public health crisis that might soon lead to a post-antibiotic era. Klebsiella pneumoniae, included in the World Health Organization list of critical priority pathogens, is an emerging threat to global health owing to the rapid rise of convergent AMR and hypervirulent strains. Comprehensive epidemiology of AMR-hypervirulent determinants in K. pneumoniae from Low-and Middle-Income Countries (LMICs) is still lacking. As part of rapid risk assessment, an in-silico approach was employed to characterize the AMR and hypervirulence determinants in K. pneumoniae from LMICs. Genomic data of 2432 K. pneumoniae strains were obtained from 33 LMICs representing 4 continents; Asia (n = 12), Africa (n = 18), N. America (n = 2) and Europe (n = 1). All the analysed strains were multiple-drug resistant and 13.6% of them were hypervirulent as well. The co-existence of antibiotic resistant genes conferring concomitant resistance towards life-saving drugs (carbapenems, colistin, fluoroquinolones and fosfomycin) were also observed among the strains, thereby challenging the efficacy of current treatment strategies. The emergence of convergent strains of K. pneumoniae carrying both multi-drug resistance and hypervirulence-associated genes in 12 LMICs is highlighted in this study. Asian region was identified as the major hotspot for convergent strains, especially being confined to 3 countries (India, Pakistan and…

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