Effect of medium age and supplementation with the biocatalytic oxygen-reducing reagent oxyrase on in vitro activities of tigecycline against recent clinical isolates.

abstract：:Bacterial protein synthesis is the target for numerous natural and synthetic antibacterial agents. We have developed a poly(U) mRNA-directed aminoacylation/translation protein synthesis system composed of phenyl-tRNA synthetases, ribosomes, and ribosomal factors from Escherichia coli. This system, utilizing purified c...

journal_title：Antimicrobial agents and chemotherapy

authors： Ribble W,Hill WE,Ochsner UA,Jarvis TC,Guiles JW,Janjic N,Bullard JM

更新日期：2010-11-01 00:00:00

abstract：:Bloodstream infection (BSI) due to multidrug-resistant Klebsiella is associated with high rates of morbidity and mortality. The aim of this study was to identify predictors of in-hospital mortality among patients with BSI due to ceftazidime-resistant (CAZ-R) Klebsiella pneumoniae at a tertiary care medical center. Pat...

journal_title：Antimicrobial agents and chemotherapy

authors： Anderson DJ,Engemann JJ,Harrell LJ,Carmeli Y,Reller LB,Kaye KS

更新日期：2006-05-01 00:00:00

abstract：:Aspergillus fumigatus infections are associated with high mortality rates and high treatment costs. Limited available antifungals and increasing antifungal resistance highlight an urgent need for new antifungals. Thioredoxin reductase (TrxR) is essential for maintaining redox homeostasis and presents as a promising ta...

journal_title：Antimicrobial agents and chemotherapy

authors： Marshall AC,Kidd SE,Lamont-Friedrich SJ,Arentz G,Hoffmann P,Coad BR,Bruning JB

更新日期：2019-02-26 00:00:00

abstract：:Among 477 patients with susceptible Enterobacter spp., 49 subsequently harbored third-generation cephalosporin-resistant Enterobacter spp. Broad-spectrum cephalosporins were independent risk factors for resistance (relative risk [OR] = 2.3, P = 0.01); quinolone therapy was protective (OR = 0.4, P = 0.03). There were t...

journal_title：Antimicrobial agents and chemotherapy

authors： Kaye KS,Cosgrove S,Harris A,Eliopoulos GM,Carmeli Y

更新日期：2001-09-01 00:00:00

abstract：:Morbidity and mortality resulting from influenza-like disease are a threat, especially for older adults. To improve case management, next-generation broad-spectrum antiviral therapeutics that are efficacious against major drivers of influenza-like disease, including influenza viruses and respiratory syncytial virus (R...

journal_title：Antimicrobial agents and chemotherapy

authors： Yoon JJ,Toots M,Lee S,Lee ME,Ludeke B,Luczo JM,Ganti K,Cox RM,Sticher ZM,Edpuganti V,Mitchell DG,Lockwood MA,Kolykhalov AA,Greninger AL,Moore ML,Painter GR,Lowen AC,Tompkins SM,Fearns R,Natchus MG,Plemper RK

更新日期：2018-07-27 00:00:00

abstract：:In view of increasing health threats from multiresistant pathogens, antimicrobial peptides (AMPs) and, specifically, proline-rich AMPs (PrAMPs) have been investigated in animal models. PrAMPs enter bacteria via the ABC transporter SbmA and inhibit intracellular targets. We used phage transduction (Tn10 insertion) to s...

journal_title：Antimicrobial agents and chemotherapy

authors： Krizsan A,Knappe D,Hoffmann R

更新日期：2015-10-01 00:00:00

abstract：:The organic salt triethyl-n-hexylammonium triethyl-n-hexylboride (N(2226)B(2226)) has biostatic effects against two gram-positive bacteria, Bacillus subtilis and Micrococcus luteus, and the yeast Candida albicans. Escherichia coli and chicken embryo fibroblasts grown in tissue culture are more refractory to this compo...

journal_title：Antimicrobial agents and chemotherapy

authors： Rosenthal KS,Storm DR,Ford WT

更新日期：1975-10-01 00:00:00

abstract：:The susceptibility of Saccharomyces cerevisiae JG436 multidrug transporter deletion mutant, Deltapdr5, to several antifungal agents was compared to that of JG436-derived JGCDR1 and JGCaMDR1 transformants, harboring the CDR1 and CaMDR1 genes, encoding the main drug-extruding membrane proteins of Candida albicans. The J...

journal_title：Antimicrobial agents and chemotherapy

authors： Milewski S,Mignini F,Prasad R,Borowski E

更新日期：2001-01-01 00:00:00

abstract：:Increases in community-acquired infections caused by extended-spectrum-β-lactamase (ESBL)-producing Enterobacteriaceae have important implications for hospital infection control and empirical antibiotic therapy protocols. We developed and validated a tool for identifying patients harboring these organisms at hospital ...

journal_title：Antimicrobial agents and chemotherapy

authors： Tumbarello M,Trecarichi EM,Bassetti M,De Rosa FG,Spanu T,Di Meco E,Losito AR,Parisini A,Pagani N,Cauda R

更新日期：2011-07-01 00:00:00

abstract：:Daptomycin is an investigational lipopeptide antibiotic active against gram-positive organisms. The mechanism of action is unique, resulting in interference with cell membrane transport. The bactericidal activity of daptomycin was evaluated against glycopeptide-intermediate susceptible Staphylococcus aureus (GISA), va...

journal_title：Antimicrobial agents and chemotherapy

authors： Akins RL,Rybak MJ

更新日期：2001-02-01 00:00:00

abstract：:Atovaquone (AV) acts on the malaria parasite by competing with ubiquinol (UQH2) for its union to the mitochondrial bc1 complex, preventing the ubiquinone-8,9 (UQ) redox recycling, which is a necessary step in pyrimidine biosynthesis. This study focused on UQ biosynthesis in Plasmodium falciparum and adopted proof-of-c...

journal_title：Antimicrobial agents and chemotherapy

authors： Verdaguer IB,Crispim M,Zafra CA,Sussmann RAC,Buriticá NL,Melo HR,Azevedo MF,Almeida FG,Kimura EA,Katzin AM

更新日期：2021-01-25 00:00:00

abstract：:We previously demonstrated the efficacy of ceftriaxone (CRO), at 50 mg/kg of body weight every 12 h, against a highly penicillin-resistant (MIC, 4 micrograms/ml) Streptococcus pneumoniae strain with low-level resistance to CRO (MIC, 0.5 microgram/ml) in a leukopenic-mouse pneumonia model (P. Moine, E. Vallée, E. Azoul...

journal_title：Antimicrobial agents and chemotherapy

authors： Sauve C,Azoulay-Dupuis E,Moine P,Darras-Joly C,Rieux V,Carbon C,Bédos JP

更新日期：1996-12-01 00:00:00

abstract：:The biliary excretion of moxalactam was studied in 11 postsurgery patients who had indwelling T-tubes inserted in their common bile ducts. Peak levels of moxalactam in the bile reached mean levels of 33.7 +/- 11.1 and 173.7 +/- 67.0 micrograms/ml 2 h after intravenous administration of a single 500- or 2,000-mg dose, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Martinez OV,Levi JU,Livingstone A,Malinin TI,Zeppa R,Hutson D,Einhorn N

更新日期：1981-08-01 00:00:00

abstract：:To investigate whether grapefruit juice inhibits the metabolism of clarithromycin, 12 healthy subjects were given water or grapefruit juice before and after a clarithromycin dose of 500 mg in a randomized crossover study. Administration of grapefruit juice increased the time to peak concentration of both clarithromyci...

journal_title：Antimicrobial agents and chemotherapy

authors： Cheng KL,Nafziger AN,Peloquin CA,Amsden GW

更新日期：1998-04-01 00:00:00

abstract：:A Staphylococcus aureus surveillance program was initiated in the United States to examine the in vitro activity of ceftaroline and epidemiologic trends. Susceptibility testing by Clinical and Laboratory Standards Institute broth microdilution was performed on 4,210 clinically significant isolates collected in 2009 fr...

journal_title：Antimicrobial agents and chemotherapy

authors： Richter SS,Heilmann KP,Dohrn CL,Riahi F,Costello AJ,Kroeger JS,Biek D,Critchley IA,Diekema DJ,Doern GV

更新日期：2011-09-01 00:00:00

abstract：:The adaptive resistance of Pseudomonas aeruginosa to aminoglycosides is known to occur during chronic lung infections in cystic fibrosis patients in response to nonlethal concentrations of aminoglycosides. Not only is it difficult to achieve high levels of drug throughout the dehydrated mucus in the lung, but also ste...

journal_title：Antimicrobial agents and chemotherapy

authors： Kindrachuk KN,Fernández L,Bains M,Hancock RE

更新日期：2011-05-01 00:00:00

abstract：:Although controversial, it has been suggested that antibiotic treatment of laboratory animals infected with Borrelia burgdorferi often leads to the persistence of residual spirochetes that are claimed to be viable but noncultivable. If viable cells of B. burgdorferi do persist following antibiotic therapy, one possibl...

journal_title：Antimicrobial agents and chemotherapy

authors： Pavia CS,Wormser GP

更新日期：2014-11-01 00:00:00

abstract：:As a consequence of blood-borne bacterial sepsis, endotoxin or lipopolysaccharide (LPS) from the cell walls of gram-negative bacteria can trigger an acute inflammatory response, leading to a series of pathological events and often resulting in death. To block this inflammatory response to endotoxin, a novel lipid A an...

journal_title：Antimicrobial agents and chemotherapy

authors： Kobayashi S,Kawata T,Kimura A,Miyamoto K,Katayama K,Yamatsu I,Rossignol DP,Christ WJ,Kishi Y

更新日期：1998-11-01 00:00:00

abstract：:The in vitro activity of CEM-101, a new fluoroketolide, was determined against Gram-positive organisms with various macrolide susceptibility profiles. Experiments for determination of the MICs and minimum bactericidal concentrations (MBCs), timed killing, single-step and multistep mutation rates, the erythromycin indu...

journal_title：Antimicrobial agents and chemotherapy

authors： Woosley LN,Castanheira M,Jones RN

更新日期：2010-05-01 00:00:00

abstract：:The pharmacokinetics and bacteriological effect of ceftazidime were evaluated in rabbits experimentally infected with Streptococcus pneumoniae, Haemophilus influenzae type b, and Escherichia coli K1. The mean penetration of ceftazidime into cerebrospinal fluid after single-dose or constant-infusion administration rang...

journal_title：Antimicrobial agents and chemotherapy

authors： Sakata Y,Boccazzi A,McCracken GH Jr

更新日期：1983-02-01 00:00:00

abstract：:We tested the hypothesis that the bacterial load at the infection site could impact considerably on the pharmacokinetic/pharmacodynamic (PK/PD) parameters of fluoroquinolones. Using a rat lung infection model, we measured the influence of different marbofloxacin dosage regimens on selection of resistant bacteria after...

journal_title：Antimicrobial agents and chemotherapy

authors： Kesteman AS,Ferran AA,Perrin-Guyomard A,Laurentie M,Sanders P,Toutain PL,Bousquet-Mélou A

更新日期：2009-11-01 00:00:00

abstract：:Intravenous ampicillin-sulbactam is effective in the treatment of various infections in adults, but little is known about the pharmacokinetics (PK) of ampicillin-sulbactam in children. The objective of this study was to determine the PK of ampicillin and sulbactam in pediatric patients with intra-abdominal infection, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Nahata MC,Vashi VI,Swanson RN,Messig MA,Chung M

更新日期：1999-05-01 00:00:00

abstract：:Targeting dormant Mycobacterium tuberculosis represents a challenge to antituberculosis drug discovery programs. We previously reported and validated the use of the streptomycin (STR)-dependent M. tuberculosis 18b strain as a tool for assessing drug potency against nonreplicating bacteria both in vitro and in vivo. In...

journal_title：Antimicrobial agents and chemotherapy

authors： Vocat A,Hartkoorn RC,Lechartier B,Zhang M,Dhar N,Cole ST,Sala C

更新日期：2015-07-01 00:00:00

abstract：:We compared the activity of delavirdine (DLV) plus zidovudine (AZT) (n = 300) with that of AZT (n = 297) against human immunodeficiency virus type 1 in a randomized, double-blind, placebo-controlled trial. DLV exerted a transient antiviral effect, and mutations for resistance to DLV were found in more than 90% of subj...

journal_title：Antimicrobial agents and chemotherapy

authors： Joly V,Moroni M,Concia E,Lazzarin A,Hirschel B,Jost J,Chiodo F,Bentwich Z,Love WC,Hawkins DA,Wilkins EG,Gatell AJ,Vetter N,Greenwald C,Freimuth WW,de Cian W

更新日期：2000-11-01 00:00:00

abstract：:PSI-352938 is a novel cyclic phosphate prodrug of β-D-2'-deoxy-2'-α-fluoro-2'-β-C-methylguanosine 5'-monophosphate that has potent activity against hepatitis C virus (HCV) in vitro. The studies described here characterize the in vitro anti-HCV activity of PSI-352938, alone and in combination with other inhibitors of H...

journal_title：Antimicrobial agents and chemotherapy

authors： Lam AM,Espiritu C,Murakami E,Zennou V,Bansal S,Micolochick Steuer HM,Niu C,Keilman M,Bao H,Bourne N,Veselenak RL,Reddy PG,Chang W,Du J,Nagarathnam D,Sofia MJ,Otto MJ,Furman PA

更新日期：2011-06-01 00:00:00

abstract：:The aminoglycoside Geneticin (G418) is known to inhibit cell culture proliferation, via virus-specific mechanisms, of two different virus genera from the family Flaviviridae. Here, we tried to determine whether Geneticin can selectively alter the switching of the nucleotide 1 to 570 RNA region of hepatitis C virus (HC...

journal_title：Antimicrobial agents and chemotherapy

authors： Ariza-Mateos A,Díaz-Toledano R,Block TM,Prieto-Vega S,Birk A,Gómez J

更新日期：2015-11-30 00:00:00

abstract：:The in vitro susceptibility to linezolid shown by nine Greek isolates of Coxiella burnetii derived from patients with acute Q fever was investigated. MICs of linezolid were compared with those of pefloxacin, ciprofloxacin, ofloxacin, trovafloxacin, doxycycline, and clarithromycin using the shell vial assay. MICs of li...

journal_title：Antimicrobial agents and chemotherapy

authors： Gikas A,Spyridaki I,Scoulica E,Psaroulaki A,Tselentis Y

更新日期：2001-11-01 00:00:00

abstract：:The elimination kinetics of cefotetan (YM09330), a new parenteral semisynthetic cephamycin derivative, were studied in eight healthy volunteers and 41 patients with renal insufficiency after the administration of a single 500-mg dose intravenously. Concentrations of cefotetan in serum and urine were determined by both...

journal_title：Antimicrobial agents and chemotherapy

authors： Ohkawa M,Hirano S,Tokunaga S,Motoi I,Shoda R,Ikeda A,Sugata T,Sawaki M,Shimamura M,Okasho A,Kuroda K

更新日期：1983-01-01 00:00:00

abstract：:Human African trypanosomiasis (HAT), a neglected tropical disease, is fatal without treatment. Pentamidine, a cationic diamidine, has been used to treat first-stage (hemolymphatic) HAT since the 1940s, but it is ineffective against second-stage (meningoencephalitic, or central nervous system [CNS]) infection. Novel di...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang S,Wenzler T,Miller PN,Wu H,Boykin DW,Brun R,Wang MZ

更新日期：2014-07-01 00:00:00

abstract：:Miltefosine (MT) is a membrane-active alkylphospholipid licensed for the topical treatment of breast cancer skin metastases and the oral treatment of leishmaniasis, although its mechanism of action remains unclear. Electron paramagnetic resonance (EPR) spectroscopy of a spin-labeled lipid and a thiol-specific spin lab...

journal_title：Antimicrobial agents and chemotherapy

authors： Moreira RA,Mendanha SA,Fernandes KS,Matos GG,Alonso L,Dorta ML,Alonso A

更新日期：2014-06-01 00:00:00