Results 51 to 60 of about 78,679 (204)

Trends and relationship between antimicrobial resistance and antibiotic use in Xinjiang Uyghur Autonomous Region, China: Based on a 3 year surveillance data, 2014–2016

open access: yesJournal of Infection and Public Health, 2018
Purposes: The objective of the study was to identify the trends and relations between antimicrobial resistance (AMR) and antibiotic use in the Xinjiang Uyghur Autonomous Region in Western China from 2014 to 2016.
Haishaerjiang Wushouer   +6 more
doaj   +1 more source

The mechanism of heterogeneous beta-lactam resistance in MRSA: key role of the stringent stress response. [PDF]

open access: yesPLoS ONE, 2013
All methicillin resistant S. aureus (MRSA) strains carry an acquired genetic determinant--mecA or mecC--which encode for a low affinity penicillin binding protein -PBP2A or PBP2A'--that can continue the catalysis of peptidoglycan transpeptidation in the ...
Choonkeun Kim   +5 more
doaj   +1 more source

Multiparametric determination of genes and their point mutations for identification of beta-lactamases [PDF]

open access: yes, 2010
More than half of all currently used antibiotics belong to the beta-lactam group, but their clinical effectiveness is severely limited by antibiotic resistance of microorganisms that are the causative agents of infectious diseases. Several mechanisms for
A. A. Medeiros   +127 more
core   +1 more source

Constitutively vancomycin-resistant Enterococcus faecium resistant to synergistic beta-lactam combinations [PDF]

open access: yesAntimicrobial Agents and Chemotherapy, 1993
Vancomycin resistance among enterococci has recently been recognized. Synergy between vancomycin and penicillin has been shown in vitro for isolates of Enterococcus faecium resistant to both of these antibiotics. We describe three isolates of vancomycin-resistant E. faecium which demonstrate unique phenotypic characteristics.
M, Green   +6 more
openaire   +2 more sources

Occurrence of TEM and SHV among extended-spectrum-beta lactamase producers of some Enterobacteriaceae members

open access: yesZagazig Journal of Pharmaceutical Sciences, 2016
This study aimed for the molecular detection of TEM and SHV genes in Extended-Spectrum beta-lactamases (ESBLs) clinical isolates of Enterobacteriace (Eshericichia coli, Klebsiella pneumoniae and Proteus spp.).
Ashraf Kadry   +2 more
doaj   +1 more source

Functional Characterization of Bacteria Isolated from Ancient Arctic Soil Exposes Diverse Resistance Mechanisms to Modern Antibiotics [PDF]

open access: yes, 2013
Using functional metagenomics to study the resistomes of bacterial communities isolated from different layers of the Canadian high Arctic permafrost, we show that microbial communities harbored diverse resistance mechanisms at least 5,000 years ago ...
Dantas, Gautam   +5 more
core   +1 more source

Resistance of Pseudomonas aeruginosa to new beta-lactamase-resistant beta-lactams [PDF]

open access: yesAntimicrobial Agents and Chemotherapy, 1984
An isogenic set of mutants of Pseudomonas aeruginosa, altered in permeability or permeability plus constitutive production of beta-lactamase, was examined for susceptibility to newer beta-lactam antibiotics. Kinetic data on the chromosomal beta-lactamase and susceptibility studies for the test beta-lactams indicate that permeability was the major ...
A J, Godfrey, L E, Bryan
openaire   +2 more sources

Identification of drivers of mycobacterial resistance to peptidoglycan synthesis inhibitors

open access: yesFrontiers in Microbiology, 2022
Beta-lactams have been excluded from tuberculosis therapy due to the intrinsic resistance of Mycobacterium tuberculosis (Mtb) to this antibiotic class, usually attributed to a potent beta-lactamase, BlaC, and to an unusually complex cell wall.
Francisco Olivença   +8 more
doaj   +1 more source

Bicarbonate Resensitization of Methicillin-Resistant Staphylococcus aureus to β-Lactam Antibiotics. [PDF]

open access: yes, 2019
Endovascular infections caused by methicillin-resistant Staphylococcus aureus (MRSA) are a major health care concern, especially infective endocarditis (IE).
Abdelhady, Wessam   +5 more
core  

2-Octylcyclopentanone Inhibits Beta Lactam Resistant Diabetic Wound Pathogens

open access: yesTropical Life Sciences Research, 2023
Microbial infection is a frequent complication of diabetic foot ulcers, with up to 82% of ulcers being infected at the initial stage of diabetes. Furthermore, the emergence of beta lactam resistant pathogens managed to eliminate the use of beta lactam antibiotics as a chemotherapeutic alternative.
Nur Amiera Syuhada Rozman   +5 more
openaire   +2 more sources

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