Results 21 to 30 of about 3,637,465 (291)

High-Resolution Genotyping Unveils Identical Ampicillin-Resistant Enterococcus faecium Strains in Different Sources and Countries: A One Health Approach

open access: yesMicroorganisms, 2022
Multidrug-resistant (MDR) Enterococcus faecium (Efm) infections continue to increase worldwide, although epidemiological studies remain scarce in lower middle-income countries. We aimed to explore which strains circulate in E.
Ana R. Freitas   +8 more
doaj   +1 more source

Serotonin Exposure Improves Stress Resistance, Aggregation, and Biofilm Formation in the Probiotic Enterococcus faecium NCIMB10415

open access: yesMicrobiology Research, 2021
The role of the microbiota–gut–brain axis in maintaining a healthy status is well recognized. In this bidirectional flux, the influence of host hormones on gut bacteria is crucial.
Rossella Scardaci   +5 more
doaj   +1 more source

Transformation of Coxiella burnetii to ampicillin resistance [PDF]

open access: yesJournal of Bacteriology, 1996
A 5.8-kb chromosomal fragment isolated from Coxiella burnetii initiates plasmid replication in Escherichia coli and was characterized as an autonomous replication sequence, ars (M. Suhan, S.-Y. Chen, H.A. Thompson, T.A. Hoover, A. Hill, and J.C. Williams, J. Bacteriol. 176:5233-5243, 1994). In the present study, an ars replicon was used to transform C.
M L, Suhan, S Y, Chen, H A, Thompson
openaire   +2 more sources

Identification and Characterization of Genes Related to Ampicillin Antibiotic Resistance in Zymomonas mobilis

open access: yesAntibiotics, 2022
Antibiotics can inhibit or kill microorganisms, while microorganisms have evolved antibiotic resistance strategies to survive antibiotics. Zymomonas mobilis is an ideal industrial microbial chassis and can tolerate multiple antibiotics.
Binan Geng   +4 more
doaj   +1 more source

Estimated Incidence of Antimicrobial Drug–Resistant Nontyphoidal Salmonella Infections, United States, 2004–2012

open access: yesEmerging Infectious Diseases, 2017
Salmonella infections are a major cause of illness in the United States. The antimicrobial agents used to treat severe infections include ceftriaxone, ciprofloxacin, and ampicillin.
Felicita Medalla   +6 more
doaj   +1 more source

Characterization of ampicillin-resistant Haemophilus parainfluenzae [PDF]

open access: yesAntimicrobial Agents and Chemotherapy, 1982
Carriage of ampicillin-resistant (Ampr) Haemophilus parainfluenzae has become frequent among children in our community, although carriage of Ampr Haemophilus influenzae remains uncommon. In this study we characterized the mechanism of ampicillin resistance in 27 representative isolates of H. parainfluenzae.
D W, Scheifele   +2 more
openaire   +2 more sources

Corrosion inhibition of mild steel in hydrochloric acid solution by the expired Ampicillin drug

open access: yesScientific Reports, 2023
This study examines the utilization of the expired drug, namely ampicillin, as a mild steel corrosion inhibitor in an acidic environment. The inhibitor was evaluated using weight loss and electrochemical measurement accompanied with surface analytical ...
K. Alamry   +4 more
semanticscholar   +1 more source

Epidemic and Nonepidemic Multidrug-Resistant Enterococcus faecium

open access: yesEmerging Infectious Diseases, 2003
The epidemiology of vancomycin-resistant Enterococcus faecium (VREF) in Europe is characterized by a large community reservoir. In contrast, nosocomial outbreaks and infections (without a community reservoir) characterize VREF in the United States ...
Helen L. Leavis   +8 more
doaj   +1 more source

Ampicillin Resistance of Shigella sonnei [PDF]

open access: yesAntimicrobial Agents and Chemotherapy, 1974
The ampicillin resistance of clinical isolates of Shigella sonnei is due to β-lactamase production. Two kinds of resistance are found: low level, nontransmissible; and high level, tranmissible. The nontransmissible type of resistance results from a chromosomal mutation which increases the production of a β-lactamase
J T, Smith, D A, Bremner, N, Datta
openaire   +2 more sources

High-level resistance to aminoglycosides and ampicillin among clinical isolates of Enterococcus species in an Iranian referral hospital

open access: yesIranian Journal of Microbiology, 2020
Background and Objectives: Nowadays, high-level aminoglycosides and ampicillin resistant Enterococcus species are among the most common causes of nosocomial infections.
Seyed Hossein Mousavi   +6 more
doaj   +1 more source

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