Results 21 to 30 of about 14,756 (172)

Inhibition of β-lactamase function by de novo designed peptide.

open access: yesPLoS ONE, 2023
Antimicrobial resistance is a great public health concern that is now described as a "silent pandemic". The global burden of antimicrobial resistance requires new antibacterial treatments, especially for the most challenging multidrug-resistant bacteria.
Arunima Mishra   +4 more
doaj   +1 more source

Penicillanic Acid Sulfones Inactivate the Extended-Spectrum β-Lactamase CTX-M-15 through Formation of a Serine-Lysine Cross-Link: an Alternative Mechanism of β-Lactamase Inhibition

open access: yesmBio, 2022
β-Lactamases hydrolyze β-lactam antibiotics and are major determinants of antibiotic resistance in Gram-negative pathogens. Enmetazobactam (formerly AAI101) and tazobactam are penicillanic acid sulfone (PAS) β-lactamase inhibitors that differ by an ...
Philip Hinchliffe   +10 more
doaj   +1 more source

Structures of SHV-1 β-lactamase with penem and penam sulfone inhibitors that form cyclic intermediates stabilized by carbonyl conjugation. [PDF]

open access: yesPLoS ONE, 2012
Bacterial β-lactamase enzymes are in large part responsible for the decreased ability of β-lactam antibiotics to combat infections. The inability to overcome β-lactamase mediated resistance spurred the development of inhibitors with penems and penam ...
Wei Ke   +6 more
doaj   +1 more source

Pharmacokinetics of Non-β-Lactam β-Lactamase Inhibitors

open access: yesAntibiotics, 2021
The growing emergence of drug-resistant bacterial strains is an issue to treat severe infections, and many efforts have identified new pharmacological agents.
Giacomo Luci   +3 more
doaj   +1 more source

In vitro and in vivo Inhibitory Activity of NADPH Against the AmpC BER Class C β-Lactamase

open access: yesFrontiers in Cellular and Infection Microbiology, 2018
β-Lactamase-mediated resistance to β-lactam antibiotics has been significantly threatening the efficacy of these clinically important antibacterial drugs.
Jung-Hyun Na   +9 more
doaj   +1 more source

Novel β-lactamase inhibitors: a therapeutic hope against the scourge of multidrug resistance

open access: yesFrontiers in Microbiology, 2013
The increasing incidence and prevalence of multidrug resistance (MDR) among contemporary Gram-negative bacteria represents a significant threat to human health.
Richard eWatkins   +3 more
doaj   +1 more source

Management of clinical infections of Escherichia coli by new β-lactam/ β-lactamase inhibitor combinations

open access: yesIranian Journal of Microbiology, 2022
Background and Objectives: Escherichia coli (E. coli) is an important member of Enterobacteriaceae family involved in severe infections. The increased rate of resistance towards different classes of antibiotics limits their treatment options. The aim of
Ashraf Ahmed Kadry   +2 more
doaj   +1 more source

Effect of β-Lactamase inhibitors on in vitro activity of β-Lactam antibiotics against Burkholderia cepacia complex species

open access: yesAntimicrobial Resistance and Infection Control, 2016
Background Bacteria belonging to the Burkholderia cepacia complex (Bcc) are an important cause of chronic respiratory tract infections in cystic fibrosis patients.
Annelien Everaert, Tom Coenye
doaj   +1 more source

Quantitative Insights Into β-Lactamase Inhibitor’s Contribution in the Treatment of Carbapenemase-Producing Organisms With β-Lactams

open access: yesFrontiers in Microbiology, 2021
Objectives: Carbapenemase-producing organisms (CPOs) are associated with high mortality rates. The recent development of β-lactamase inhibitors (BLIs) has made it possible to control CPO infections safely and effectively with β-lactams (BLs).
Yanfang Feng   +8 more
doaj   +1 more source

Periodontal microbiology and microbial etiology of periodontal diseases: Historical concepts and contemporary perspectives

open access: yesPeriodontology 2000, EarlyView., 2023
Abstract This narrative review summarizes the collective knowledge on periodontal microbiology, through a historical timeline that highlights the European contribution in the global field. The etiological concepts on periodontal disease culminate to the ecological plaque hypothesis and its dysbiosis‐centered interpretation.
Georgios N. Belibasakis   +5 more
wiley   +1 more source

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