Epidemiology and successful control of a large outbreak due to Klebsiella pneumoniae producing extended-spectrum beta-lactamases.

abstract：:In order to probe the structure and function of the mycobacterial catalase-peroxidase enzyme (KatG), we employed a genetic approach using dominant-negative analysis of katG merodiploids. Transformation of Mycobacterium bovis BCG with various katG point mutants (expressed from low-copy-number plasmids) resulted in redu...

journal_title：Antimicrobial agents and chemotherapy

authors： DeVito JA,Morris S

更新日期：2003-01-01 00:00:00

abstract：:Using the techniques of gap misrepair mutagenesis and site-directed mutagenesis, we have generated two novel quinolone resistance mutations of the Escherichia coli DNA gyrase A protein. DNA sequencing showed these mutations to be Ser-83----Ala and Gln-106----Arg. The mutant proteins were overproduced and purified, and...

journal_title：Antimicrobial agents and chemotherapy

authors： Hallett P,Maxwell A

更新日期：1991-02-01 00:00:00

abstract：:Linezolid is the first synthetic oxazolidone agent to treat infections caused by Gram-positive pathogens. Infected patients with liver dysfunction (LD) are more likely to suffer from adverse reactions, such as thrombocytopenia, when standard-dose linezolid is used than patients with LD who did not use linezolid. Curre...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang SH,Zhu ZY,Chen Z,Li Y,Zou Y,Yan M,Xu Y,Wang F,Liu MZ,Zhang M,Zhang BK

更新日期：2020-05-21 00:00:00

abstract：:A novel plasmid-borne resistance gene cluster comprising the genes erm(T) for macrolide-lincosamide-streptogramin B resistance, dfrK for trimethoprim resistance, and tet(L) for tetracycline resistance was identified in a porcine methicillin-resistant Staphylococcus aureus sequence type 398 (ST398) strain. This erm(T)-...

journal_title：Antimicrobial agents and chemotherapy

authors： Kadlec K,Schwarz S

更新日期：2010-02-01 00:00:00

abstract：:Plaque formation and dye uptake assays were used to measure the MICs of PD 127,391 and PD 131,628 against Rickettsia species. The MICs of PD 127,391 were 0.25 microgram/ml for Rickettsia rickettsii and 0.125 to 0.25 microgram/ml for Rickettsia conorii. The MICs of PD 131,628 were 0.25 to 0.5 microgram/ml for R. ricket...

journal_title：Antimicrobial agents and chemotherapy

authors： Jabarit-Aldighieri N,Torres H,Raoult D

更新日期：1992-11-01 00:00:00

abstract：:Gentamicin was successfully incorporated into neutral, anionic, and cationic liposomes, and the percentage of gentamicin incorporated was found to be a function of lipid concentration. Gentamicin did not leak out of the liposomes over a 3-week period at 4 degrees C. When liposome-associated gentamicin was administered...

journal_title：Antimicrobial agents and chemotherapy

authors： Morgan JR,Williams KE

更新日期：1980-04-01 00:00:00

abstract：:Properties of a population of carbenicillin- and gentamicin-resistant, tobramycin-susceptible Pseudomonas aeruginosa at Veteran's Administration Hospital, Cincinnati, Ohio, have been followed during a 16-month period. As originally described, the strains were isolated from patients with urinary tract colonizations and...

journal_title：Antimicrobial agents and chemotherapy

authors： Korfhagen TR,Ferrel JA,Menefee CL,Loper JC

更新日期：1976-05-01 00:00:00

abstract：:Steady-state concentrations of telavancin, a novel, bactericidal lipoglycopeptide, were determined in the plasma, pulmonary epithelial lining fluid (ELF), and alveolar macrophages (AMs) of 20 healthy subjects. Telavancin at 10 mg of drug/kg of body weight/day was administered as a 1-h intravenous infusion on three suc...

journal_title：Antimicrobial agents and chemotherapy

authors： Gotfried MH,Shaw JP,Benton BM,Krause KM,Goldberg MR,Kitt MM,Barriere SL

更新日期：2008-01-01 00:00:00

abstract：:Pseudomonas aeruginosa is equipped with the Sec and Tat protein secretion systems, which translocate the xenobiotic transporter MexAB-OprM and the pathogenic factor phospholipase C (PlcH), respectively. When the signal sequence of MexA was replaced with that of PlcH, the hybrid protein was successfully expressed and r...

journal_title：Antimicrobial agents and chemotherapy

authors： Yoneyama H,Akiba K,Hori H,Ando T,Nakae T

更新日期：2010-04-01 00:00:00

abstract：:Biapenem is a parenteral carbapenem antibiotic that exhibits wide-ranging antibacterial activity, remarkable chemical stability, and extensive stability against human renal dehydropeptidase-I. Tebipenem is the active form of tebipenem pivoxil, a novel oral carbapenem antibiotic that has a high level of bioavailability...

journal_title：Antimicrobial agents and chemotherapy

authors： Yamada M,Watanabe T,Baba N,Takeuchi Y,Ohsawa F,Gomi S

更新日期：2008-06-01 00:00:00

abstract：:P128 is an antistaphylococcal protein, comprising a cell wall-degrading enzymatic region and a Staphylococcus-specific binding region, which possesses specific and potent bactericidal activity against sensitive and drug-resistant strains of Staphylococcus aureus To explore P128's ability to kill S. aureus in a range o...

journal_title：Antimicrobial agents and chemotherapy

authors： Nair S,Desai S,Poonacha N,Vipra A,Sharma U

更新日期：2016-11-21 00:00:00

abstract：:An in vitro pharmacodynamic model was used to simulate the in vivo pharmacokinetics of clarithromycin and 14-hydroxyclarithromycin in order to generate time-kill curves for three clinical isolates of Haemophilus influenzae (isolates 2019, 91-183, and 1746). Representative concentrations in serum or lung tissue and the...

journal_title：Antimicrobial agents and chemotherapy

authors： Walker KJ,Larsson AJ,Zabinski RA,Rotschafer JC

更新日期：1994-09-01 00:00:00

abstract：:The hydrophobicity and charge of the cell surface of M protein-positive (M+) and the less virulent M protein-negative (M-) strains of type 12 Streptococcus pyogenes have been studied, respectively, by hydrophobic interaction chromatography and free zone electrophoresis. The M+ strain had a more hydrophobic and a more ...

journal_title：Antimicrobial agents and chemotherapy

authors： Tylewska S,Hjertén S,Wadström T

更新日期：1981-11-01 00:00:00

abstract：:We have previously identified a target site in HIV-1 RNA that was particularly accessible to a ribozyme and a short hairpin RNA (shRNA). To design small interfering RNAs (siRNAs) targeting this site, we evaluated the effects of siRNAs with different lengths on HIV-1 production. The potency and efficacy of these siRNAs...

journal_title：Antimicrobial agents and chemotherapy

authors： Scarborough RJ,Adams KL,Daher A,Gatignol A

更新日期：2015-09-01 00:00:00

abstract：:Acyclovir-resistant clinical isolates of herpes simplex virus type 1 (HSV-1) were analyzed in vitro for their susceptibilities to essential oils of ginger, thyme, hyssop, and sandalwood. All essential oils exhibited high levels of virucidal activity against acyclovir-sensitive strain KOS and acyclovir-resistant HSV-1 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Schnitzler P,Koch C,Reichling J

更新日期：2007-05-01 00:00:00

abstract：:The antimicrobial susceptibility and mechanisms of resistance of 109 Shigella and 40 Salmonella isolates from children with diarrhea in southern Mozambique were assessed. The susceptibility to seven antimicrobial agents was tested by disk diffusion, and mechanisms of resistance were searched by PCR or colorimetric met...

journal_title：Antimicrobial agents and chemotherapy

authors： Mandomando I,Jaintilal D,Pons MJ,Vallès X,Espasa M,Mensa L,Sigaúque B,Sanz S,Sacarlal J,Macete E,Abacassamo F,Alonso PL,Ruiz J

更新日期：2009-06-01 00:00:00

abstract：:The pharmacodynamic effects of metronidazole on Trichomonas vaginalis have been poorly characterized. The present in vitro study was performed to characterize the relationship between killing of trichomonads and metronidazole exposure (metronidazole concentration and time of exposure). Five laboratory strains and five...

journal_title：Antimicrobial agents and chemotherapy

authors： Nix DE,Tyrrell R,Müller M

更新日期：1995-08-01 00:00:00

abstract：:The in vitro and in vivo activities of modithromycin, a novel bicyclolide, against Legionella pneumophila were compared with those of telithromycin, clarithromycin, azithromycin, and levofloxacin. All the test agents decreased the intracellular growth of viable L. pneumophila bacteria over 96 h of incubation in both t...

journal_title：Antimicrobial agents and chemotherapy

authors： Sato T,Tateda K,Kimura S,Ishii Y,Yamaguchi K

更新日期：2011-04-01 00:00:00

abstract：:Resistance to peptide deformylase inhibitors in Escherichia coli or Staphylococcus aureus is due to inactivation of transformylase activity. Knockout experiments in Streptococcus pneumoniae R6x indicate that the transformylase (fmt) and deformylase (defB) genes are essential and that a def paralog (defA) is not. Actin...

journal_title：Antimicrobial agents and chemotherapy

authors： Margolis P,Hackbarth C,Lopez S,Maniar M,Wang W,Yuan Z,White R,Trias J

更新日期：2001-09-01 00:00:00

abstract：:One of the major neglected tropical diseases, schistosomiasis, is currently treated and controlled with a single drug, praziquantel. The quest for an alternative drug is fueled by the lack of activity of praziquantel against juvenile Schistosoma worms and the fear of emerging resistance. The synthetic ozonide OZ418 ha...

journal_title：Antimicrobial agents and chemotherapy

authors： Leonidova A,Vargas M,Huwyler J,Keiser J

更新日期：2016-11-21 00:00:00

abstract：:Mongrel dogs with ascites created by inferior vena cava ligation were given cephalothin, cephaloridine, cefazolin, and cefamandole to evaluate the effect of protein binding and serum pharmacokinetics on the distribution of cephalosporins into ascitic fluid. Antibiotics were given intramuscularly (15 mg/kg) every 4 h f...

journal_title：Antimicrobial agents and chemotherapy

authors： Gerding DN,Peterson LR,Legler DC,Hall WH,Schierl EA

更新日期：1978-08-01 00:00:00

abstract：:Gardimycin, a new antibiotic, at 100 mug/ml, specifically inhibited cell wall synthesis and induced accumulation of uridine 5'-diphosphate-N-acetylmur-amylpentapeptide in whole cells of Bacillus subtilis. The antibiotic was active in a particulate enzyme preparation from Bacillus stearothermophilus: 60 mug/ml caused 5...

journal_title：Antimicrobial agents and chemotherapy

authors： Somma S,Merati W,Parenti F

更新日期：1977-03-01 00:00:00

abstract：:RBx 11760, a bi-aryl oxazolidinone, was investigated for antibacterial activity against Gram-positive bacteria. The MIC90s of RBx 11760 and linezolid against Staphylococcus aureus were 2 and 4 mg/liter, against Staphylococcus epidermidis were 0.5 and 2 mg/liter, and against Enterococcus were 1 and 4 mg/liter, respecti...

journal_title：Antimicrobial agents and chemotherapy

authors： Barman TK,Kumar M,Mathur T,Chaira T,Ramkumar G,Kalia V,Rao M,Pandya M,Yadav AS,Das B,Upadhyay DJ,Hamidullah,Konwar R,Raj VS,Singh H

更新日期：2016-11-21 00:00:00

abstract：:Combination therapy using drugs with different mechanisms of action is the current state of the art in antimalarial treatment. However, except for artemisinin-based combination therapies, only a few other combinations are now available. Increasing concern regarding the emergence and spread of artemisinin resistance in...

journal_title：Antimicrobial agents and chemotherapy

authors： Bei ZC,Li GF,Zhao JH,Zhang M,Ji XG,Wang JY

更新日期：2020-10-20 00:00:00

abstract：:Vibrio cholerae strains of serogroups O1 and O139, the causative agents of the diarrheal illness cholera, express a single polar flagellum powered by sodium motive force and require motility to colonize and spread along the small intestine. In a previous study, we described a high-throughput assay for screening for sm...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang H,Zhang L,Silva AJ,Benitez JA

更新日期：2013-08-01 00:00:00

abstract：:Xylitol is effective in preventing acute otitis media by inhibiting the growth of Streptococcus pneumoniae. To clarify this inhibition we used fructose, which is known to block similar growth inhibition observed in Streptococcus mutans. In addition, we evaluated the efficacy of sorbitol in inhibiting the growth of pne...

journal_title：Antimicrobial agents and chemotherapy

authors： Tapiainen T,Kontiokari T,Sammalkivi L,Ikäheimo I,Koskela M,Uhari M

更新日期：2001-01-01 00:00:00

abstract：:The trypanocidal action of green tea catechins against two different developmental stages of Trypanosoma cruzi is reported for the first time. This activity was assayed with the nonproliferative bloodstream trypomastigote and with the intracellular replicative amastigote parasite forms. An ethyl acetate fraction from ...

journal_title：Antimicrobial agents and chemotherapy

authors： Paveto C,Güida MC,Esteva MI,Martino V,Coussio J,Flawiá MM,Torres HN

更新日期：2004-01-01 00:00:00

abstract：:Caspofungin (CAS) is approved for second-line management of proven or probable invasive aspergillosis at a dose of 50 mg once daily (QD). Preclinical and limited clinical data support the concept of the dose-dependent antifungal efficacy of CAS with preservation of its favorable safety profile. Little is known, howeve...

journal_title：Antimicrobial agents and chemotherapy

authors： Würthwein G,Cornely OA,Trame MN,Vehreschild JJ,Vehreschild MJ,Farowski F,Müller C,Boos J,Hempel G,Hallek M,Groll AH

更新日期：2013-04-01 00:00:00

abstract：:DS86760016 is a new leucyl-tRNA-synthetase inhibitor at the preclinical development stage. DS86760016 showed potent activity against extended-spectrum multidrug-resistant Pseudomonas aeruginosa isolated from clinical samples and in vitro biofilms. In a murine catheter-associated urinary tract infection model, DS867600...

journal_title：Antimicrobial agents and chemotherapy

authors： Kumar M,Rao M,Purnapatre KP,Barman TK,Joshi V,Kashyap A,Chaira T,Bambal RB,Pandya M,Khodor SA,Upadhyay DJ,Masuda N

更新日期：2019-03-27 00:00:00

abstract：:We used the Tn10-encoded Tet repressor, which has a highly specific binding capacity for tetracycline, to probe contacts between the drug and protein by chemical interference studies of the antibiotic. For that purpose, the equilibrium association constants of modified tetracyclines with the Tet repressor and Mg2+ cat...

journal_title：Antimicrobial agents and chemotherapy

authors： Degenkolb J,Takahashi M,Ellestad GA,Hillen W

更新日期：1991-08-01 00:00:00