Ethambutol resistance in Mycobacterium tuberculosis: critical role of embB mutations.

abstract：:Vancomycin resistance in Enterococcus faecium 180, a clinical isolate from England, was studied. Resistance to vancomycin was transferable by conjugation to other enterococci. Expression of resistance was inducible and coincided with the appearance of a new membrane protein. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Nicas TI,Wu CY,Hobbs JN Jr,Preston DA,Allen NE

更新日期：1989-07-01 00:00:00

abstract：:A simple technique for routine, reproducible global surveillance of the drug susceptibility status of the anaerobic protozoa Trichomonas, Entamoeba, and Giardia is described. Data collected using this technique can be readily compared among different laboratories and with previously reported data. The technique employ...

journal_title：Antimicrobial agents and chemotherapy

authors： Upcroft JA,Upcroft P

更新日期：2001-06-01 00:00:00

abstract：:We studied the resistance mechanism and antimicrobial effects of β-lactams on imipenem-resistant Pseudomonas aeruginosa isolates that were susceptible to ceftazidime as detected by time-kill curve methods. Among 215 P. aeruginosa isolates from hospitalized patients in eight hospitals in the Republic of Korea, 18 isola...

journal_title：Antimicrobial agents and chemotherapy

authors： Wi YM,Choi JY,Lee JY,Kang CI,Chung DR,Peck KR,Song JH,Ko KS

更新日期：2017-05-24 00:00:00

abstract：:The mechanism of action of quinolones was investigated by use of various DNA gyrases reconstituted from wild-type and mutant GyrA and GyrB proteins of Escherichia coli. The quinolone sensitivities of the DNA supercoiling activity of the gyrases were generally parallel to the quinolone susceptibilities of strains havin...

journal_title：Antimicrobial agents and chemotherapy

authors： Yoshida H,Nakamura M,Bogaki M,Ito H,Kojima T,Hattori H,Nakamura S

更新日期：1993-04-01 00:00:00

abstract：:Three hundred ninety-four patients, aged 6 months to 12 years, entered a multicenter, randomized, controlled, investigator-blind study comparing cefdinir, 7 mg/kg of body weight twice a day, with cephalexin, 10 mg/kg four times a day, each given for 10 days. The most common infections treated were impetigo and seconda...

journal_title：Antimicrobial agents and chemotherapy

authors： Tack KJ,Keyserling CH,McCarty J,Hedrick JA

更新日期：1997-04-01 00:00:00

abstract：:To investigate the effects of posaconazole (POS) and amphotericin B (AMB) combination therapy in cryptococcal infection, we established an experimental model of systemic cryptococcosis in CD1 mice by intravenous injection of three distinct clinical isolates of Cryptococcus neoformans. Therapy was started 24 h after th...

journal_title：Antimicrobial agents and chemotherapy

authors： Barchiesi F,Spreghini E,Schimizzi AM,Maracci M,Giannini D,Carle F,Scalise G

更新日期：2004-09-01 00:00:00

abstract：:An NDM-1 carbapenemase-producing Pseudomonas aeruginosa isolate was recovered from a patient hospitalized in France after a previous hospitalization in Serbia. Genetic studies revealed that the blaNDM-1 gene was surrounded by insertion sequence ISAba125 and a truncated bleomycin resistance gene. This blaNDM-1 region w...

journal_title：Antimicrobial agents and chemotherapy

authors： Janvier F,Jeannot K,Tessé S,Robert-Nicoud M,Delacour H,Rapp C,Mérens A

更新日期：2013-07-01 00:00:00

abstract：:Eighteen patients developed abnormally low serum glutamic oxaloacetic transaminase values during metronidazole therapy. Metronidazole absorbs at 340 nm, simulating reduced nicotinamide adenine dinucleotide, which is the final colorimetric product of the serum glutamic oxaloacetic transaminase assay. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rissing JP,Newman C,Moore WL Jr

更新日期：1978-10-01 00:00:00

abstract：:Cryptosporidium parvum arginine aminopeptidase (RAP) was studied during in vitro excystation. Specific RAP inhibitors were identified by using C. parvum extracts. Amastatin, a series of alpha-aminoboronic acids, and the chelating agents EDTA and 1,10-phenanthrolene, but not endoproteinase inhibitors, blocked enzymatic...

journal_title：Antimicrobial agents and chemotherapy

authors： Okhuysen PC,Chappell CL,Kettner C,Sterling CR

更新日期：1996-12-01 00:00:00

abstract：:Trimethoprim resistance dihydrofolate reductase genes from plasmids known to be exchanging between human and animal populations were mapped. The dihydrofolate reductase gene has been highly conserved in all plasmids, but differences in the flanking regions provide evidence that the most recent exchange of plasmids bet...

journal_title：Antimicrobial agents and chemotherapy

authors： Campbell IG,Mee BJ

更新日期：1987-09-01 00:00:00

abstract：:Establishing an effective empirical antifungal therapy requires that national surveillance studies be conducted. Herein, we report the clinical outcome of infections with and the microbiological features of Iranian isolates of Candidaglabrata derived from patients suffering from candidemia. C. glabrata isolates were r...

journal_title：Antimicrobial agents and chemotherapy

authors： Arastehfar A,Daneshnia F,Zomorodian K,Najafzadeh MJ,Khodavaisy S,Zarrinfar H,Hagen F,Zare Shahrabadi Z,Lackner M,Mirhendi H,Salehi M,Roudbary M,Pan W,Kostrzewa M,Boekhout T

更新日期：2019-06-24 00:00:00

abstract：:We investigated a possible synergistic effect of a macrolide and beta-lactams against Streptococcus pneumoniae strains with different resistance profiles. Checkerboard and time-kill assays of erythromycin combined with penicillin or cefotaxime essentially showed indifference, suggesting that these antibiotics in combi...

journal_title：Antimicrobial agents and chemotherapy

authors： Lin E,Stanek RJ,Mufson MA

更新日期：2003-03-01 00:00:00

abstract：:Human cryptococcosis can occur as a primary or opportunistic infection and develops as an acute, subacute, or chronic systemic infection involving different organs of the host. Given the limited therapeutic options and the occasional resistance to fluconazole, there is a need to develop novel drugs for the treatment o...

journal_title：Antimicrobial agents and chemotherapy

authors： Sá NP,Lima CM,Lino CI,Barbeira PJS,Baltazar LM,Santos DA,Oliveira RB,Mylonakis E,Fuchs BB,Johann S

更新日期：2017-07-25 00:00:00

abstract：:The penetration of cefonicid and cefazolin into cardiac tissue was compared after a single 30-mg/kg dose in 30 patients undergoing aortocoronary artery bypass graft surgery. Samples of the right atrial appendage, pericardial fluid, and serum were obtained at various times and assayed for drug content. The concentratio...

journal_title：Antimicrobial agents and chemotherapy

authors： Dudley MN,Nightingale CH,Drezner AD,Low HB,Quintiliani R

更新日期：1984-09-01 00:00:00

abstract：:The morphology of cells of the H37Ra strain of Mycobacterium tuberculosis exposed to 0.5 mug of isonicotinic acid hydrazide (isoniazid) per ml was examined by scanning electron microscopy (SEM). Cells that were exposed to isoniazid for 3 h showed no detectable change, whereas cells exposed to the drug for 24 h exhibit...

journal_title：Antimicrobial agents and chemotherapy

authors： Takayama K,Wang L,Merkal RS

更新日期：1973-07-01 00:00:00

abstract：:Mutations in liaFSR, a three-component regulatory system controlling cell-envelope stress response, were recently linked with the emergence of daptomycin (DAP) resistance in enterococci. Our previous work showed that a liaF mutation increased the DAP MIC of a vancomycin-resistant Enterococcus faecalis strain from 1 to...

journal_title：Antimicrobial agents and chemotherapy

authors： Munita JM,Panesso D,Diaz L,Tran TT,Reyes J,Wanger A,Murray BE,Arias CA

更新日期：2012-08-01 00:00:00

abstract：:The in vitro activities of two new antimicrobial agents, apalcillin and cefpiramide (SM-1652), were evaluated against 324 strains of anaerobic bacteria. Apalcillin (a penicillin derivative) and cefpiramide (a semisynthetic cephalosporin) were compared with piperacillin, moxalactam, and cefoxitin. Organisms studied inc...

journal_title：Antimicrobial agents and chemotherapy

authors： Wexler H,Carter WT,Harris B,Finegold SM

更新日期：1984-02-01 00:00:00

abstract：:The Michaelis-Menten inhibitory constants (Kis) and the concentrations required for 50% inhibition of the Plasmodium falciparum dihydropteroate synthetase were determined for six sulfa drugs. These drugs inhibited the in vitro growth of P. falciparum (50% lethal concentration) at concentrations of 30 to 500 nM; these ...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang Y,Meshnick SR

更新日期：1991-02-01 00:00:00

abstract：:The residual antibiotic concentration of vancomycin (2 mg/ml)- or ceftazidime (2 mg/ml)-heparin solutions instilled in ports in pediatric hematology-oncology patients 1 to 34 days earlier was measured. Antibiotic concentrations of > or = 100 microg of either antibiotic per ml persisted for at least 21 days. For treatm...

journal_title：Antimicrobial agents and chemotherapy

authors： Haimi-Cohen Y,Husain N,Meenan J,Karayalcin G,Lehrer M,Rubin LG

更新日期：2001-05-01 00:00:00

abstract：:Pharmacodynamic parameters have become increasingly important for the determination of the optimal dosing schedules of antibiotics. In this study, the postantibiotic effects (PAEs), the postantibiotic sub-MIC effects (PA SMEs), and the sub-MIC effects (SMEs) of roxithromycin, clarithromycin, and azithromycin on refere...

journal_title：Antimicrobial agents and chemotherapy

authors： Odenholt-Tornqvist I,Löwdin E,Cars O

更新日期：1995-01-01 00:00:00

abstract：:We present a new strategy for predicting novel antibiotic mechanisms of action based on the analysis of whole-genome microarray data. We first built up a reference compendium of Bacillus subtilis expression profiles induced by 14 different antibiotics. This data set was expanded by adding expression profiles from muta...

journal_title：Antimicrobial agents and chemotherapy

authors： Freiberg C,Fischer HP,Brunner NA

更新日期：2005-02-01 00:00:00

abstract：:Livestock-associated methicillin-resistant Staphylococcus aureus (LA-MRSA) isolates are increasingly migrating from livestock into human and animal health care settings. Alternative substances are needed to overcome the drawbacks of currently available drugs used for MRSA eradication. The recombinant bacteriophage end...

journal_title：Antimicrobial agents and chemotherapy

authors： Kaspar U,de Haro Sautto JA,Molinaro S,Peters G,Idelevich EA,Becker K

更新日期：2018-06-26 00:00:00

abstract：:There has been major interest by the scientific community in antivirulence approaches against bacterial infections. However, partly due to a lack of viable lead compounds, antivirulence therapeutics have yet to reach the clinic. Here we investigate the development of an antivirulence lead targeting quorum sensing sign...

journal_title：Antimicrobial agents and chemotherapy

authors： Todd DA,Parlet CP,Crosby HA,Malone CL,Heilmann KP,Horswill AR,Cech NB

更新日期：2017-07-25 00:00:00

abstract：:A woman in her late 60s with disseminated histoplasmosis was treated with posaconazole because first-line therapies were not tolerated. She subsequently presented with decompensated heart failure, hypertension, and hypokalemia. Laboratory tests revealed low renin and aldosterone levels. A potential mechanism is inhibi...

journal_title：Antimicrobial agents and chemotherapy

authors： Kuriakose K,Nesbitt WJ,Greene M,Harris B

更新日期：2018-04-26 00:00:00

abstract：:We previously demonstrated that ginsenosides Rg1 and Re enhanced the immune response in C3H/HeB mice but not in C3H/HeJ mice carrying a mutation in the Tlr4 gene. The results of the present study showed that both Rg1 and Re inhibited mRNA expression and production of proinflammatory mediators that included tumor necro...

journal_title：Antimicrobial agents and chemotherapy

authors： Su F,Xue Y,Wang Y,Zhang L,Chen W,Hu S

更新日期：2015-09-01 00:00:00

abstract：:SM-8668 (Sch 39304) is a new oral antifungal agent which we evaluated in comparison with fluconazole in various fungal infection models. The prophylactic effect of SM-8668 was excellent against systemic candidiasis, aspergillosis, and cryptococcosis in mice. The 50% effective dose for SM-8668 was assessed at 10 days a...

journal_title：Antimicrobial agents and chemotherapy

authors： Tanio T,Ichise K,Nakajima T,Okuda T

更新日期：1990-06-01 00:00:00

abstract：:Use of combinations of antimicrobials that together achieve synergistic activities against targeted microorganisms is one potential strategy for overcoming bacterial resistance. As the incidence of infections caused by multidrug-resistant staphylococci and enterococci increases, the importance of devising additional s...

journal_title：Antimicrobial agents and chemotherapy

authors： Allen GP,Cha R,Rybak MJ

更新日期：2002-08-01 00:00:00

abstract：:Staphylococcus aureus is a bacterial pathogen responsible for the majority of skin and soft tissue infections. Antibiotics are losing their efficacy as treatment for skin and soft tissue infections as a result of increased resistance in a variety of pathogens, including S. aureus It is thus imperative to explore alter...

journal_title：Antimicrobial agents and chemotherapy

authors： van Staden Adu P,Heunis T,Smith C,Deane S,Dicks LM

更新日期：2016-06-20 00:00:00

abstract：:To test the hypothesis that establishing gastrointestinal colonization with multiresistant Enterococcus faecium (VRE) C68 results from expansion of the enterococcal population in the upper small bowel, we compared VRE quantities recovered from the proximal, middle, and distal segments of the small bowel from mice trea...

journal_title：Antimicrobial agents and chemotherapy

authors： Lakticová V,Hutton-Thomas R,Meyer M,Gurkan E,Rice LB

更新日期：2006-09-01 00:00:00

abstract：:Intravenous inoculation of a group A hemolytic streptococcus caused lethal infections in all of eight untreated monkeys. Intramuscular injections of clindamycin-2-phosphate in a daily dose of 25 mg/kg given in equal morning and afternoon doses for 10 days resulted in survival of all of eight monkeys. Similar results w...

journal_title：Antimicrobial agents and chemotherapy

authors： Carlisle HN,Saslaw S

更新日期：1972-06-01 00:00:00