Imipenem/relebactam resistance in clinical isolates of extensively drug resistant Pseudomonas aeruginosa: inhibitor-resistant β-lactamases and their increasing …

AM Hujer, CR Bethel, MA Taracila… - Antimicrobial Agents …, 2022 - Am Soc Microbiol
β-lactamase, PDC-8 in CLB 24388 and PDC-19a in isolate EM 2972704. These PDC β-lactamases
resistance, we propose that the PDC β-lactamases in these isolates serve to bind the …

Impact of PBP4 Alterations on β-Lactam Resistance and Ceftobiprole Non-Susceptibility Among Enterococcus faecalis Clinical Isolates

LM Lazzaro, M Cassisi, S Stefani… - Frontiers in Cellular and …, 2022 - frontiersin.org
… faecalis clinical isolates … of β-lactams and, specifically, of BPR; 3) to compare the pbp4
expression levels in all E. faecalis clinical isolates with reduced susceptibility to beta-lactams and …

Activity of imipenem-relebactam against a large collection of Pseudomonas aeruginosa clinical isolates and isogenic β-lactam-resistant mutants

PA Fraile-Ribot, L Zamorano, R Orellana… - Antimicrobial Agents …, 2020 - Am Soc Microbiol
… for 1,445 Pseudomonas aeruginosa clinical isolates and a large panel of isogenic mutants
showing the most relevant mutation-driven β-lactam resistance mechanisms. Imipenem-…

[HTML][HTML] … -avibactam activity against β-lactam-resistant Pseudomonas aeruginosa and extended-spectrum β-lactamase-producing Enterobacterales clinical isolates …

EB Hirsch, HV Brigman, PC Zucchi, A Chen… - Journal of global …, 2020 - Elsevier
… of 119 extended-spectrum β-lactamase (ESBL)-producing Enterobacterales and 60 β-lactam-resistant
Pseudomonas aeruginosa clinical isolates collected from three US institutions. …

Extended-spectrum β-lactamases: an update on their characteristics, epidemiology and detection

M Castanheira, PJ Simner… - JAC-antimicrobial …, 2021 - academic.oup.com
… With the widespread usage of gene sequencing to identify β-lactamase genes in clinical
isolates, multiple variants of the common TEM and SHV enzymes have been identified. As of …

… activity of aztreonam in combination with old and new β-lactamase inhibitors against MBL and ESBL co-producing Gram-negative clinical isolates: possible options for …

G Morroni, R Bressan, S Fioriti, G D'Achille, M Mingoia… - Antibiotics, 2021 - mdpi.com
β-lactamases (ESBLs) [7]. ATM is effective against MBL-producer infections as long as these
isolates … , are commonly used in clinical practice in association with β-lactams. However, …

… with cefepime or meropenem against Klebsiella pneumoniae and cefepime against Pseudomonas aeruginosa metallo-beta-lactamase-producing clinical isolates

J Meletiadis, P Paranos, PC Georgiou, S Vourli… - International Journal of …, 2021 - Elsevier
… In the present study, the in vitro activity of the combinations of cefepime with taniborbactam
and meropenem with taniborbactam against MBL-producing clinical isolates were compared …

β-Lactam combinations that exhibit synergy against Mycobacteroides abscessus clinical isolates

E Story-Roller, C Galanis… - Antimicrobial agents and …, 2021 - Am Soc Microbiol
… the 13 β-lactam combinations against a library of 21 clinical isolates obtained from CF patients
in recent years. The rationale for including these specific dual-β-lactam combinations is a …

[HTML][HTML] … cephalosporin resistance in clinical isolates of Enterobacterales collected between 2016–2018 from USA and Europe: genotypic analysis of β-lactamases …

A Belley, I Morrissey, S Hawser, N Kothari… - Journal of global …, 2021 - Elsevier
β-lactamase genotyping approach was employed to dissect the molecular basis for 3GC
resistance in 7168 clinical isolates of … of important β-lactam and β-lactam/β-lactamase inhibitor …

Co‐occurrence of genes encoding carbapenemase, ESBL, pAmpC and non‐βLactam resistance among Klebsiella pneumonia and E. coli clinical isolates in Tunisia

R Ben Sallem, B Laribi, A Arfaoui… - Letters in Applied …, 2022 - academic.oup.com
This study aimed to investigate the molecular mechanisms of carbapenem and colistin
resistance in K. pneumoniae and E. coli isolates obtained from hospitalized patients in …