Results 21 to 30 of about 1,666,677 (276)

β-Lactams against the Fortress of the Gram-Positive Staphylococcus aureus Bacterium.

open access: yesChemical Reviews, 2020
The biological diversity of the unicellular bacteria-whether assessed by shape, food, metabolism, or ecological niche-surely rivals (if not exceeds) that of the multicellular eukaryotes.
J. Fisher, S. Mobashery
semanticscholar   +1 more source

Bacterial temporal dynamics enable optimal design of antibiotic treatment. [PDF]

open access: yesPLoS Computational Biology, 2015
There is a critical need to better use existing antibiotics due to the urgent threat of antibiotic resistant bacteria coupled with the reduced effort in developing new antibiotics.
Hannah R Meredith   +3 more
doaj   +1 more source

High Prevalence of blaOXA-2 and blaOXA-10 Genes in the β-Lactam-Resistant Clinical Isolates of Pseudomonas aeruginosa [PDF]

open access: yesResearch in Molecular Medicine, 2022
Background: Increased resistance to β-lactams is one of the most important considerations about Pseudomonas aeruginosa. This study aimed to investigate the prevalence of blaOXA-2 and blaOXA-10 genes in β-lactam-resistant P. aeruginosa.
Fatemeh Bazari Jamkhaneh   +2 more
doaj  

Multi-Dimensional Elimination of β-Lactams in the Rural Wetland: Molecule Design and Screening for More Antibacterial and Degradable Substitutes

open access: yesMolecules, 2022
Restricted economic conditions and limited sewage treatment facilities in rural areas lead to the discharge of small-scale breeding wastewater containing higher values of residual beta-lactam antibiotics (β-lactams), which seriously threatens the aquatic
Shuhai Sun   +3 more
doaj   +1 more source

Remarkable Iodine-Catalyzed Synthesis of Novel Pyrrole- Bearing N-Polyaromatic β-Lactams

open access: yesMolecules, 2010
Because of their interesting biological properties various methods for the synthesis of substituted pyrroles are described in the literature. However, synthesis of pyrroles fused with a β-lactam ring has not been reported.
Bimal K. Banik   +4 more
doaj   +1 more source

Microwave-induced Conversion of Electromagnetic Energy into Heat Energy in Different Solvents: Synthesis of β-lactams

open access: yesChemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2021
In this work, the stereospecific synthesis of optically active cis β-lactams under diverse microwave-induced conditions using diverse solvents was reported.
Aparna Das   +2 more
doaj   +1 more source

Report of β-lactam antibiotic–induced vancomycin-resistant Staphylococcus aureus from a university hospital in Egypt

open access: yesNew Microbes and New Infections, 2019
We report a case of hospital-acquired pneumonia that to our knowledge is the first description in Egypt of the emergence of vancomycin (VA)-resistant Staphylococcus aureus due to the concomitant use of β-lactams.
A.E. Taha   +3 more
doaj   +1 more source

Salicylate decreases production of AmpC type β-lactamases and increases susceptibility to β-lactams in aMorganella morganiiclinical isolate [PDF]

open access: yesFEMS Microbiology Letters, 2004
The effect of salicylate, a marRAB inducer, on the resistance to β-lactams was characterized in an AmpC β-lactamase hyperproducer Morganella morganii clinical isolate (the M1 strain). Results were compared with those of the effect of salicylate in a wild-type M. morganii strain.
María M. Tavío   +6 more
openaire   +1 more source

β-Lactam Exposure Triggers Reactive Oxygen Species Formation in Enterococcus faecalis via the Respiratory Chain Component DMK

open access: yesCell Reports, 2019
Summary: Whereas the primary actions of β-lactams are well characterized, their downstream effects are less well understood. Although their targets are extracellular, β-lactams stimulate respiration in Escherichia coli leading to increased intracellular ...
Loïc Léger   +5 more
doaj   +1 more source

Evaluation of Metallo-β-Lactamase Susceptibility Testing in a Physiologic Medium

open access: yesMicrobiology Spectrum, 2021
Research in identifying alternative growth media that better mimic host conditions is gaining ground. Relative to nutrient-rich Mueller-Hinton broth (MHB), data on the influence of physiologic or host-mimicking media on metallo-β-lactamase (MBL ...
Tomefa E. Asempa   +4 more
doaj   +1 more source

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