Klebsiella pneumoniae carbapenemase variants: the new threat to global public health

L Ding, S Shen, J Chen, Z Tian, Q Shi… - Clinical Microbiology …, 2023 - Am Soc Microbiol
Klebsiella pneumoniae carbapenemase (KPC) variants, which refer to the substitution,
insertion, or deletion of amino acid sequence compared to wild bla KPC type, have reduced …

Klebsiella pneumoniae carbapenemase variants resistant to ceftazidime-avibactam: an evolutionary overview

CA Hobson, G Pierrat, O Tenaillon… - Antimicrobial agents …, 2022 - Am Soc Microbiol
First variants of the Klebsiella pneumoniae carbapenemase (KPC), KPC-2 and KPC-3, have
encountered a worldwide success, particularly in K. pneumoniae isolates. These beta …

Global Dissemination of blaKPC into Bacterial Species beyond Klebsiella pneumoniae and In Vitro Susceptibility to Ceftazidime-Avibactam and Aztreonam …

KM Kazmierczak, DJ Biedenbach… - Antimicrobial agents …, 2016 - Am Soc Microbiol
The Klebsiella pneumoniae carbapenemase (KPC), first described in the United States in
1996, is now a widespread global problem in several Gram-negative species. A worldwide …

Multiplex Real-Time PCR Assay for Detection and Classification of Klebsiella pneumoniae Carbapenemase Gene (bla KPC) Variants

L Chen, JR Mediavilla, A Endimiani… - Journal of clinical …, 2011 - Am Soc Microbiol
Carbapenem resistance mediated by plasmid-borne Klebsiella pneumoniae
carbapenemases (KPC) is an emerging problem of significant clinical importance in Gram …

Klebsiella pneumoniae Carbapenemase-2 (KPC-2), Substitutions at Ambler Position Asp179, and Resistance to Ceftazidime-Avibactam: Unique Antibiotic-Resistant …

MD Barnes, ML Winkler, MA Taracila, MG Page… - MBio, 2017 - Am Soc Microbiol
The emergence of Klebsiella pneumoniae carbapenemases (KPCs), β-lactamases that
inactivate “last-line” antibiotics such as imipenem, represents a major challenge to …

Effects of Klebsiella pneumoniae Carbapenemase Subtypes, Extended-Spectrum β-Lactamases, and Porin Mutations on the In Vitro Activity of Ceftazidime …

RK Shields, CJ Clancy, B Hao, L Chen… - Antimicrobial agents …, 2015 - Am Soc Microbiol
Avibactam is a novel β-lactamase inhibitor with affinity for Klebsiella pneumoniae
carbapenemases (KPCs). In combination with ceftazidime, the agent demonstrates activity …

KPC-mediated resistance to ceftazidime-avibactam and collateral effects in Klebsiella pneumoniae

J Findlay, L Poirel, M Juhas… - Antimicrobial Agents and …, 2021 - Am Soc Microbiol
Carbapenem-resistant Enterobacterales, such as Klebsiella pneumoniae carbapenemase
(KPC)-producing K. pneumoniae, represent a major threat to public health due to their rapid …

Emergence of Ceftazidime-Avibactam Resistance Due to Plasmid-Borne blaKPC-3 Mutations during Treatment of Carbapenem-Resistant Klebsiella pneumoniae …

RK Shields, L Chen, S Cheng, KD Chavda… - Antimicrobial agents …, 2017 - Am Soc Microbiol
Ceftazidime-avibactam is a novel β-lactam/β-lactamase inhibitor with activity against
carbapenem-resistant Enterobacteriaceae (CRE) that produce Klebsiella pneumoniae …

Global Dissemination of Carbapenemase-Producing Klebsiella pneumoniae: Epidemiology, Genetic Context, Treatment Options, and Detection Methods

CR Lee, JH Lee, KS Park, YB Kim, BC Jeong… - Frontiers in …, 2016 - frontiersin.org
The emergence of carbapenem-resistant Gram-negative pathogens poses a serious threat
to public health worldwide. In particular, the increasing prevalence of carbapenem-resistant …

Natural variants of the KPC-2 carbapenemase have evolved increased catalytic efficiency for ceftazidime hydrolysis at the cost of enzyme stability

SC Mehta, K Rice, T Palzkill - PLoS pathogens, 2015 - journals.plos.org
The spread of β-lactamases that hydrolyze penicillins, cephalosporins and carbapenems
among Gram-negative bacteria has limited options for treating bacterial infections. Initially …