LfrR is a repressor that regulates expression of the efflux pump LfrA in Mycobacterium smegmatis.

abstract：:BMS-207147, Sch 56592, and voriconazole are three new investigational triazoles with broad-spectrum antifungal activity. The in vitro activities of these three agents were compared with those of itraconazole and fluconazole against 1,300 bloodstream isolates of Candida species obtained from over 50 different medical c...

journal_title：Antimicrobial agents and chemotherapy

authors： Pfaller MA,Messer SA,Hollis RJ,Jones RN,Doern GV,Brandt ME,Hajjeh RA

更新日期：1998-12-01 00:00:00

abstract：:By means of a stepwise selection procedure, mutants capable of growing in the presence of relatively high multiplicities of a bacteriocin from Streptococcus mutans GS-5 were obtained from a sensitivie strain of Streptococcus pyogenes. Mutacin-neutralizing activity of cell extracts containing receptor protein was exami...

journal_title：Antimicrobial agents and chemotherapy

authors： Franker CK

更新日期：1980-02-01 00:00:00

abstract：:Despite the marketing of a series of new antibiotics for antibiotic-resistant gram-positive bacteria, no new agents for multiple-antibiotic-resistant gram-negative infections will be available for quite some time. Clinicians will need to find more effective ways to utilize available agents. Colistin is an older but no...

journal_title：Antimicrobial agents and chemotherapy

authors： Gunderson BW,Ibrahim KH,Hovde LB,Fromm TL,Reed MD,Rotschafer JC

更新日期：2003-03-01 00:00:00

abstract：:Artermisinin and its derivatives are now the mainstays of antimalarial treatment; however, their mechanism of action is only poorly understood. We report on the synthesis of a novel series of epoxy-endoperoxides that can be prepared in high yields from simple starting materials. Endoperoxides that are disubstituted wi...

journal_title：Antimicrobial agents and chemotherapy

authors： del Pilar Crespo M,Avery TD,Hanssen E,Fox E,Robinson TV,Valente P,Taylor DK,Tilley L

更新日期：2008-01-01 00:00:00

abstract：:We investigated the minimum exposure times of prazicuantel (PZQ) and albendazole sulfoxide (ABZSO) required for their activities against Taenia cysts in vitro as well as the 50 and 99% effective concentrations. The results showed that although the effects of both drugs are time and concentration dependent, ABZSO acts ...

journal_title：Antimicrobial agents and chemotherapy

authors： Palomares F,Palencia G,Pérez R,González-Esquivel D,Castro N,Cook HJ

更新日期：2004-06-01 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：:Polymyxins are increasingly used as a last-resort class of antibiotics against extensively drug-resistant (XDR) Gram-negative bacteria. However, resistance to polymyxins can emerge with monotherapy. As nephrotoxicity is the major dose-limiting factor for polymyxin monotherapy, dose escalation to suppress the emergence...

journal_title：Antimicrobial agents and chemotherapy

authors： Lin YW,Yu HH,Zhao J,Han ML,Zhu Y,Akter J,Wickremasinghe H,Walpola H,Wirth V,Rao GG,Forrest A,Velkov T,Li J

更新日期：2018-05-25 00:00:00

abstract：:Due to the widespread resistance of bacteria to the available drugs, the discovery of new classes of antibiotics is urgently needed, and naturally occurring antimicrobial peptides (AMPs) are considered promising candidates for future therapeutic use. Amphibian skin is one of the richest sources of such AMPs. In the pr...

journal_title：Antimicrobial agents and chemotherapy

authors： Mangoni ML,Maisetta G,Di Luca M,Gaddi LM,Esin S,Florio W,Brancatisano FL,Barra D,Campa M,Batoni G

更新日期：2008-01-01 00:00:00

abstract：:Mice treated with antibiotics early or late after active infection had resolved were examined for chlamydial DNA in endocervical swabs. The early eradication of infection limited oviduct pathology, despite the continued detection of chlamydial DNA by nested PCR. Late antibiotic treatment had no effect on the ability t...

journal_title：Antimicrobial agents and chemotherapy

authors： Reeves DM,Nagarajan U,O'Connell C,Andrews CW Jr,Darville T

更新日期：2007-07-01 00:00:00

abstract：:In this study, the plasmid content of clinical and commensal strains was analyzed and compared. The replicon profile was similar in both populations, except for L, M, A/C, and N (detected only in clinical strains) and HI1 (only in commensal strains). Although I1 and F were the most frequent replicons, only IncI1, sequ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rodríguez-Navarro J,Miró E,Brown-Jaque M,Hurtado JC,Moreno A,Muniesa M,González-López JJ,Vila J,Espinal P,Navarro F

更新日期：2020-04-21 00:00:00

abstract：:Cefoxitin resistance, but not resistance to clindamycin, erythromycin, lincomycin, or tetracycline, was transferred by a conjugation-like process from Bacteroides thetaiotaomicron UN101, a clinical isolate haboring four kinds of plasmids, to other Bacteroides species. Of a sample of 20 cefoxitin-resistant transconjuga...

journal_title：Antimicrobial agents and chemotherapy

authors： Rashtchian A,Dubes GR,Booth SJ

更新日期：1982-10-01 00:00:00

abstract：:We recently reported the chromosomal location of the staphylococcal beta-lactamase gene in four strains of Enterococcus faecalis. Transfer of this gene from strain CH19 to an enterococcal recipient was accompanied by transfer of numerous other antimicrobial resistance determinants in the absence of detectable plasmid ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rice LB,Marshall SH

更新日期：1992-09-01 00:00:00

abstract：:A prospective study was performed with 23 Helicobacter pylori-infected children (mean age, 9.5 +/- 4.4 years) with clinical symptoms of gastritis and positive results of culture and histologic examination of gastric biopsy specimens to evaluate the influence of antibiotic resistance on eradication. Positive children w...

journal_title：Antimicrobial agents and chemotherapy

authors： Raymond J,Kalach N,Bergeret M,Benhamou PH,Barbet JP,Gendrel D,Dupont C

更新日期：1998-06-01 00:00:00

abstract：:Candida infections represent a major threat in neonatal intensive care units. This is the first prospective study to obtain caspofungin plasma levels and safety data for neonates and very young infants. Patients of <3 months of age receiving intravenous amphotericin B for documented or highly suspected candidiasis wer...

journal_title：Antimicrobial agents and chemotherapy

authors： Sáez-Llorens X,Macias M,Maiya P,Pineros J,Jafri HS,Chatterjee A,Ruiz G,Raghavan J,Bradshaw SK,Kartsonis NA,Sun P,Strohmaier KM,Fallon M,Bi S,Stone JA,Chow JW

更新日期：2009-03-01 00:00:00

abstract：:The mortality rate associated with Vibrio vulnificus sepsis remains high. An in vitro time-kill assay revealed synergism between tigecycline and ciprofloxacin. The survival rate was significantly higher in mice treated with tigecycline plus ciprofloxacin than in mice treated with cefotaxime plus minocycline. Thus, com...

journal_title：Antimicrobial agents and chemotherapy

authors： Kim SE,Kim HK,Choi SM,Yu Y,Kim UJ,Darboe KS,Kang SJ,Park KH,Kang G,Kim YR,Rhee JH,Jung SI,Jang HC

更新日期：2019-09-23 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：:Mupirocin is a topical antimicrobial used to decolonize patients who carry methicillin-resistant Staphylococcus aureus (MRSA), and the topical agent retapamulin may be a potential alternative therapy. The goal of this study was to determine the in vitro activity of retapamulin as well as a panel of 15 antimicrobial ag...

journal_title：Antimicrobial agents and chemotherapy

authors： Harrington AT,Black JA,Clarridge JE 3rd

更新日期：2015-12-14 00:00:00

abstract：:To date, the majority of pharmacokinetic/pharmacodynamic (PK/PD) discussions have focused on PK/PD relationships evaluated at steady-state drug concentrations. However, a concern with reliance upon steady-state drug concentrations is that it ignores events occurring while the pathogen is exposed to intermittent subopt...

journal_title：Antimicrobial agents and chemotherapy

authors： Martinez MN,Papich MG,Drusano GL

更新日期：2012-06-01 00:00:00

abstract：:Antibiotic resistance of biofilm-grown bacteria contributes to chronic infections, such as marginal and periapical periodontitis, which are strongly associated with Porphyromonas gingivalis. Concurrent azithromycin (AZM) administration and mechanical debridement improve the clinical parameters of periodontal tissue in...

journal_title：Antimicrobial agents and chemotherapy

authors： Maezono H,Noiri Y,Asahi Y,Yamaguchi M,Yamamoto R,Izutani N,Azakami H,Ebisu S

更新日期：2011-12-01 00:00:00

abstract：:Salmonella enterica serovar Typhi is an important pathogen exclusively for humans and causes typhoid or enteric fever. It has been shown that type IVB pili, encoded by the S. enterica serovar Typhi pil operon located in Salmonella pathogenicity island 7, are important in the pathogenic process. In this study, by using...

journal_title：Antimicrobial agents and chemotherapy

authors： Pan Q,Zhang XL,Wu HY,He PW,Wang F,Zhang MS,Hu JM,Xia B,Wu J

更新日期：2005-10-01 00:00:00

abstract：:Acyclovir, known as an antiherpetic agent, showed an inhibitory effect on the propagation of pseudorabies virus in BHK-21 cells. The antiviral effect of acyclovir was observed by plaque reduction, as well as by the inhibition of the virus-stimulated uptake of thymidine by BHK-21 cells. Amphotericin B potentiated the a...

journal_title：Antimicrobial agents and chemotherapy

authors： Malewicz B,Momsen M,Jenkin HM

更新日期：1983-01-01 00:00:00

abstract：:The efficacy of ticarcillin-clavulanic acid was compared with the efficacies of standard antistaphylococcal agents (flucloxacillin, oxacillin, nafcillin, and vancomycin) and ticarcillin in an experimental model of Staphylococcus aureus endocarditis. Therapy was either initiated soon (8 h) after infection, when numbers...

journal_title：Antimicrobial agents and chemotherapy

authors： Catherall EJ,Gillon V,Hurn S,Irwin R,Mizen L

更新日期：1992-02-01 00:00:00

abstract：:Resistance of Plasmodium falciparum to drugs such as chloroquine and sulfadoxine-pyrimethamine is a major problem in malaria control. Artemisinin (ART) derivatives, particularly in combination with other drugs, are thus increasingly used to treat malaria, reducing the probability that parasites resistant to the compon...

journal_title：Antimicrobial agents and chemotherapy

authors： Afonso A,Hunt P,Cheesman S,Alves AC,Cunha CV,do Rosário V,Cravo P

更新日期：2006-02-01 00:00:00

abstract：:Piperacillin is a new semisynthetic, expanded-spectrum penicillin with marked activity against Pseudomonas aeruginosa. The biliary excretion of piperacillin was studied in patients undergoing cholecystectomy. Concentrations of piperacillin in common duct bile at 35 to 90 min postinfusion of 1-g doses ranged from 31 to...

journal_title：Antimicrobial agents and chemotherapy

authors： Giron JA,Meyers BR,Hirschman SZ

更新日期：1981-02-01 00:00:00

abstract：:One gram of ceftriaxone was given intravenously to 15 patients approximately 2 h before cardiopulmonary bypass surgery. Ceftriaxone levels in plasma (mean +/- standard deviation) were 60.4 +/- 18.8 micrograms/ml (range, 17.0 to 96.0 micrograms/ml) at the beginning of bypass, 44.2 +/- 16.6 micrograms/ml (range, 9.4 to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bryan CS,Morgan SL,Jordan AB,Smith CW,Sutton JP,Gangemi JD

更新日期：1984-01-01 00:00:00

abstract：:The in vitro sensitivity of Plasmodium falciparum to atorvastatin and rosuvastatin was assessed using chloroquine-sensitive and chloroquine-resistant strains. Although atorvastatin was more potent, it had weak activity (mean 50% inhibitory concentration of > or = 17 microM) and an indifferent interaction with chloroqu...

journal_title：Antimicrobial agents and chemotherapy

authors： Wong RP,Davis TM

更新日期：2009-05-01 00:00:00

abstract：:A single Klebsiella pneumoniae strain isolated in a Bulgarian hospital was found to produce CTX-M-71, a new CTX-M variant characterized by one amino acid substitution from glycine to cysteine at position 238 in comparison to CTX-M-15. This exchange decreased the hydrolytic activity of the beta-lactamase for cefotaxime...

journal_title：Antimicrobial agents and chemotherapy

authors： Schneider I,Queenan AM,Markovska R,Markova B,Keuleyan E,Bauernfeind A

更新日期：2009-10-01 00:00:00

abstract：:The in vitro and in vivo activities of azithromycin against chlamydia were investigated. The MIC of azithromycin for five standard strains of different species of chlamydia and six wild-type strains of Chlamydia pneumoniae was 0.125 microgram/ml, which was superior to that of erythromycin but inferior to those of clar...

journal_title：Antimicrobial agents and chemotherapy

authors： Niki Y,Kimura M,Miyashita N,Soejima R

更新日期：1994-10-01 00:00:00

abstract：:The pharmacokinetics of intravenously administered levofloxacin and ciprofloxacin were studied in intensive care unit patients during continuous venovenous hemofiltration (CVVH; four patients received levofloxacin, and five received ciprofloxacin) or hemodiafiltration (CVVHDF; six patients received levofloxacin, and f...

journal_title：Antimicrobial agents and chemotherapy

authors： Malone RS,Fish DN,Abraham E,Teitelbaum I

更新日期：2001-10-01 00:00:00

abstract：:As part of the CANCER Antimicrobial Surveillance Program in North America, a Pseudomonas aeruginosa isolate, strain 07-406, was shown to possess a metallo-beta-lactamase, designated VIM-7. bla(VIM-7) is located on a 24-kb plasmid which can be readily transferred into Enterobacteriaceae and other pseudomonads. This is ...

journal_title：Antimicrobial agents and chemotherapy

authors： Toleman MA,Rolston K,Jones RN,Walsh TR

更新日期：2004-01-01 00:00:00