NorC, a new efflux pump regulated by MgrA of Staphylococcus aureus.

abstract：:For 177 gram-negative isolates, the MICs for ciprofloxacin ranged from 0.02 microgram/ml (Escherichia coli) to 0.31 microgram/ml (Pseudomonas aeruginosa). In time-kill curves, ciprofloxacin at 8 X the MIC almost completely killed 10(6) CFU of P. aeruginosa by 24 h. Ciprofloxacin at 4 X the MIC allowed bacterial regrow...

journal_title：Antimicrobial agents and chemotherapy

authors： Rudin JE,Norden CW,Shinners EM

更新日期：1984-10-01 00:00:00

abstract：:The effects on Staphylococcus aureus viability and beta-lactamase activity of concentrations that simulated those in human serum after a combined dose of 875 mg of amoxicillin and 125 mg of clavulanic acid were studied in an in vitro pharmacodynamic model. Six hours of preexposure to concentrations of the amoxicillin-...

journal_title：Antimicrobial agents and chemotherapy

authors： Aguilar L,Martín M,Balcabao IP,Gómez-Lus ML,Dal-Ré R,Prieto J

更新日期：1997-06-01 00:00:00

abstract：:The present studies were conducted to better define the mechanism of action of polyethylene hexamethylene biguanide (PEHMB) (designated herein as NB325), which was shown in previous studies to inhibit infection by the human immunodeficiency virus type 1 (HIV-1). Fluorescence-activated flow cytometric analyses of activ...

journal_title：Antimicrobial agents and chemotherapy

authors： Thakkar N,Pirrone V,Passic S,Zhu W,Kholodovych V,Welsh W,Rando RF,Labib ME,Wigdahl B,Krebs FC

更新日期：2009-02-01 00:00:00

abstract：:The rate of occurrence of the extended-spectrum beta-lactamase (ESBL)-producing phenotype among Escherichia coli isolates in Tel Aviv is 12% (22). The aim of this study was to understand the molecular epidemiology of E. coli ESBL producers and to identify the ESBL genes carried by them. We studied 20 single-patient ES...

journal_title：Antimicrobial agents and chemotherapy

authors： Chmelnitsky I,Carmeli Y,Leavitt A,Schwaber MJ,Navon-Venezia S

更新日期：2005-11-01 00:00:00

abstract：:Potential alternatives, including linezolid, adjunctive rifampin, and moxifloxacin, were evaluated against vancomycin-tolerant (P9802-020) and vancomycin-susceptible clinical isolates of Streptococcus pneumoniae in an in vitro pharmacodynamic model. Vancomycin exhibited maximal killing of 2-log(10) CFU/ml against P980...

journal_title：Antimicrobial agents and chemotherapy

authors： Cha R,Rybak MJ

更新日期：2003-06-01 00:00:00

abstract：:In addition to cholesterol-lowering capabilities, statins possess anti-inflammatory and immunomodulatory effects. We sought to quantify the real-world impact of different statin exposure patterns on clinical outcomes in Staphylococcus aureus bacteremia. We conducted a retrospective cohort study among hospitalized pati...

journal_title：Antimicrobial agents and chemotherapy

authors： Caffrey AR,Timbrook TT,Noh E,Sakoulas G,Opal SM,Nizet V,LaPlante KL

更新日期：2017-02-23 00:00:00

abstract：:Human immunodeficiency virus (HIV) Tat and gp120 intriguingly share the feature of being basic peptides that, once released by HIV(+) cells, bind to polyanionic heparan sulfate proteoglycans (HSPGs) on target uninfected cells, contributing to the onset of AIDS-associated pathologies. To identify multitarget anti-HIV p...

journal_title：Antimicrobial agents and chemotherapy

authors： Bugatti A,Urbinati C,Ravelli C,De Clercq E,Liekens S,Rusnati M

更新日期：2007-07-01 00:00:00

abstract：:LpxC [UDP-3-O-(R-3-hydroxymyristoyl)-GlcNAc deacetylase] is a metalloamidase that catalyzes the first committed step in the biosynthesis of the lipid A component of lipopolysaccharide. A previous study (H. R. Onishi, B. A. Pelak, L. S. Gerckens, L. L. Silver, F. M. Kahan, M. H. Chen, A. A. Patchett, S. M. Galloway, S....

journal_title：Antimicrobial agents and chemotherapy

authors： Mdluli KE,Witte PR,Kline T,Barb AW,Erwin AL,Mansfield BE,McClerren AL,Pirrung MC,Tumey LN,Warrener P,Raetz CR,Stover CK

更新日期：2006-06-01 00:00:00

abstract：:We have quantified the biological cost of VanA-type glycopeptide resistance due to the acquisition of the resistance operon by methicillin-resistant Staphylococcus aureus (MRSA) from Enterococcus sp. Exponential growths of recipient strain HIP11713, its transconjugant VRSA-1, VRSA-5, and VRSA-6 were compared in the ab...

journal_title：Antimicrobial agents and chemotherapy

authors： Foucault ML,Courvalin P,Grillot-Courvalin C

更新日期：2009-06-01 00:00:00

abstract：:The in vitro activities of three newly developed quinolone drugs (T-3262, NY-198, and fleroxacin [AM-833; RO 23-6240]) against 10 strains of clinically isolated Chlamydia trachomatis were assessed and compared with those of other quinolones and minocycline. T-3262 (MIC for 90% of isolates tested, 0.1 microgram/ml) was...

journal_title：Antimicrobial agents and chemotherapy

authors： Maeda H,Fujii A,Nakata K,Arakawa S,Kamidono S

更新日期：1988-07-01 00:00:00

abstract：:The antifolate activity and the transport characteristics of isoaminopterin (IA) in HeLa cells were studied and compared with those of methotrexate (MTX). Both IA and MTX inhibited the incorporation of [2-(14)C]deoxyuridine into HeLa cell DNA by 50% at a concentration of 0.09 muM by 8 h postaddition of the compounds. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rosemond-Hornbeak H,Nair MG

更新日期：1979-05-01 00:00:00

abstract：:CTX-M-1-producing Escherichia coli were isolated from 56 pigs, three farm personnel, two manure samples, and two air samples from two Danish pig farms where an association between prophylactic ceftiofur use and the occurrence of cephalosporin resistance was previously demonstrated. Human, animal, and environmental str...

journal_title：Antimicrobial agents and chemotherapy

authors： Moodley A,Guardabassi L

更新日期：2009-04-01 00:00:00

abstract：:The pharmacokinetics of piperacillin were examined after single intravenous doses to three groups of male patients with creatinine clearances of greater than or equal to 60 (group I), greater than or equal to 20 but less than 60 (group II), and less than 20 (group III) ml/min per 1.73 m2. Each of 32 patients received ...

journal_title：Antimicrobial agents and chemotherapy

authors： Welling PG,Craig WA,Bundtzen RW,Kwok FW,Gerber AU,Madsen PO

更新日期：1983-06-01 00:00:00

abstract：:Arylimidamides (AIAs) have been shown to have considerable biological activity against intracellular pathogens, includingTrypanosoma cruzi, which causes Chagas disease. In the present study, the activities of 12 novel bis-AIAs and 2 mono-AIAs against different strains ofT. cruziin vitroandin vivowere analyzed. The mos...

journal_title：Antimicrobial agents and chemotherapy

authors： Guedes-da-Silva FH,Batista DG,Meuser MB,Demarque KC,Fulco TO,Araújo JS,Da Silva PB,Da Silva CF,Patrick DA,Bakunova SM,Bakunov SA,Tidwell RR,Oliveira GM,Britto C,Moreira OC,Soeiro MN

更新日期：2016-03-25 00:00:00

abstract：:The in vitro pharmacodynamic properties of colistin and colistin methanesulfonate were investigated by studying the MICs, time-kill kinetics, and postantibiotic effect (PAE) against mucoid and nonmucoid strains of Pseudomonas aeruginosa isolated from patients with cystic fibrosis. Twenty-three clinical strains, includ...

journal_title：Antimicrobial agents and chemotherapy

authors： Li J,Turnidge J,Milne R,Nation RL,Coulthard K

更新日期：2001-03-01 00:00:00

abstract：:Single nucleotide polymorphisms (SNPs) involved in the development of resistance represent powerful markers for the rapid detection of first- and second-line resistance in clinical Mycobacterium tuberculosis complex (MTBC) isolates. However, the association between particular mutations and phenotypic resistance is not...

journal_title：Antimicrobial agents and chemotherapy

authors： Feuerriegel S,Köser C,Trübe L,Archer J,Rüsch Gerdes S,Richter E,Niemann S

更新日期：2010-11-01 00:00:00

abstract：:Candida lusitaniae is usually susceptible to echinocandins. Beta-1,3-glucan synthase encoded by FKS genes is the target of echinocandins. A few missense mutations in the C. lusitaniae FKS1 hot spot 1 (HS1) have been reported. We report here the rapid emergence of antifungal resistance in C. lusitaniae isolated during ...

journal_title：Antimicrobial agents and chemotherapy

authors： Asner SA,Giulieri S,Diezi M,Marchetti O,Sanglard D

更新日期：2015-12-01 00:00:00

abstract：:Spontaneous binding of infected erythrocytes to uninfected erythrocytes to form rosettes is a property of some strains of Plasmodium falciparum that is linked to severe complications of malaria. Curdlan sulfate (CRDS) is a sulfated glycoconjugate compound that is chemically similar to known rosette-inhibiting drugs su...

journal_title：Antimicrobial agents and chemotherapy

authors： Kyriacou HM,Steen KE,Raza A,Arman M,Warimwe G,Bull PC,Havlik I,Rowe JA

更新日期：2007-04-01 00:00:00

abstract：:An axenic amastigote culture system was utilized to directly assess the stage-specific antileishmanial effects of antimony on amastigotes of Leishmania donovani devoid of the macrophage host cell. Pentostam, which contains antimony in the form of sodium stibogluconate and the preservative chlorocresol, was used. Cell ...

journal_title：Antimicrobial agents and chemotherapy

authors： Ephros M,Waldman E,Zilberstein D

更新日期：1997-05-01 00:00:00

abstract：:The therapeutic activity of ciprofloxacin, enoxacin, and ofloxacin was evaluated in guinea pigs with acute and chronic experimental Pseudomonas aeruginosa pneumonia. Intratracheal instillations of P. aeruginosa resulted in fatal pneumonia in all untreated animals within 36 h. Among treatment groups (80 mg/kg [body wei...

journal_title：Antimicrobial agents and chemotherapy

authors： Kemmerich B,Small GJ,Pennington JE

更新日期：1986-03-01 00:00:00

abstract：:Polyclonal antibodies elicited by injection into rabbits of a nystatin-bovine serum albumin conjugate were reactive with both nystatin and amphotericin B. Upon labeling of polyene-treated Saccharomyces cerevisiae sterol auxotrophs grown on various sterols, nystatin reacted specifically with ergosterol, while amphoteri...

journal_title：Antimicrobial agents and chemotherapy

authors： Walker-Caprioglio HM,MacKenzie JM,Parks LW

更新日期：1989-12-01 00:00:00

abstract：:Aspergillus flavus is the second most significant pathogenic cause of invasive aspergillosis; however, its emergence risks and mechanisms of voriconazole (VRC) resistance have not yet been elucidated in detail. Here, we demonstrate that repeated exposure of A. flavus to subinhibitory concentrations of VRC in vitro cau...

journal_title：Antimicrobial agents and chemotherapy

authors： Ukai Y,Kuroiwa M,Kurihara N,Naruse H,Homma T,Maki H,Naito A

更新日期：2018-10-24 00:00:00

abstract：:The repurposing of existing drugs is being pursued as a means by which to accelerate the development of novel regimens for the treatment of drug-susceptible and drug-resistant tuberculosis (TB). In the current study, we assessed the activity of the antipsychotic drug thioridazine (TRZ) in combination with the standard...

journal_title：Antimicrobial agents and chemotherapy

authors： Dutta NK,Pinn ML,Karakousis PC

更新日期：2014-07-01 00:00:00

abstract：:Cryptosporidium parvum is an important cause of diarrhea in humans and calves and can persistently infect immunocompromised hosts. Presently, there are no consistently effective parasite-specific drugs for cryptosporidiosis. We hypothesized that neutralizing monoclonal antibodies (MAbs) targeting the apical complex an...

journal_title：Antimicrobial agents and chemotherapy

authors： Riggs MW,Schaefer DA,Kapil SJ,Barley-Maloney L,Perryman LE

更新日期：2002-02-01 00:00:00

abstract：:The aims of the study were to investigate the prevalence of azole resistance among Aspergillus fumigatus clinical isolates. A total of 533 clinical isolates that had been collected between 1995 and 2006, from 441 patients, were screened. No resistance was detected in isolates collected between 1995 and 1997. Starting ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lazzarini C,Esposto MC,Prigitano A,Cogliati M,De Lorenzis G,Tortorano AM

更新日期：2015-11-09 00:00:00

abstract：:The response of tolerant Streptococcus sanguis and nontolerant Streptococcus mitis infections to penicillin therapy was compared in the rabbit model of endocarditis. The minimal inhibitory and bactericidal concentrations of penicillin were 0.1 and 0.1 mug/ml, respectively, for S. mitis and 0.05 and 6.2 mug/ml, respect...

journal_title：Antimicrobial agents and chemotherapy

authors： Lowy FD,Neuhaus EG,Chang DS,Steigbigel NH

更新日期：1983-01-01 00:00:00

abstract：:Multilocus microsatellite polymorphisms in 27 clinical Candida albicans isolates were found to be clearly unrelated to in vitro paradoxical growth or trailing effect with caspofungin. These findings suggest that such in vitro phenotypes are either gained or lost too rapidly to be predicted by more stable genomic marke...

journal_title：Antimicrobial agents and chemotherapy

authors： Khlif M,Bogreau H,Michel-Nguyen A,Ayadi A,Ranque S

更新日期：2010-03-01 00:00:00

abstract：:The pharmacokinetics and penetration into a cantharidine-induced inflammatory exudate of meropenem was studied in six volunteers following a single 1-g intravenous dose. Concentrations in plasma, urine, and the inflammatory exudate were determined by a microbiological assay. The mean elimination half-life of meropenem...

journal_title：Antimicrobial agents and chemotherapy

authors： Wise R,Logan M,Cooper M,Ashby JP,Andrews JM

更新日期：1990-08-01 00:00:00

abstract：:The activities of teicoplanin and vancomycin against 362 coagulase-negative staphylococci were determined by an agar dilution method. At the 4- and 32-micrograms/ml breakpoint levels of the National Committee for Clinical Laboratory Standards, 23.2% of the strains were intermediate and 1.7% were resistant to teicoplan...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein FW,Coutrot A,Sieffer A,Acar JF

更新日期：1990-05-01 00:00:00

abstract：:The comparative activities of azithromycin (AZI) and clarithromycin (CLA) against eight Mycobacterium avium complex (MAC) isolates were evaluated in the beige mouse model of disseminated infection. Mice were infected intravenously with approximately 10(7) viable MAC isolate. AZI at 100 or 200 mg/kg of body weight or C...

journal_title：Antimicrobial agents and chemotherapy

authors： Cynamon MH,Klemens SP,Grossi MA

更新日期：1994-07-01 00:00:00