In vitro evolution of itraconazole resistance in Aspergillus fumigatus involves multiple mechanisms of resistance.

abstract：:One hundred clinical isolates of methicillin-resistant (Metr) Staphylococcus aureus from five different geographical origins were tested for their susceptibility to 12 non-beta-lactam antibiotics by the broth microdilution technique recommended by the National Committee for Clinical Laboratory Standards. Coumermycin a...

journal_title：Antimicrobial agents and chemotherapy

authors： Aldridge KE,Janney A,Sanders CV

更新日期：1985-11-01 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：:Two optically active (100% enantiomeric excess) isomers of ofloxacin [(+/-)-ofloxacin; DL-8280; (+/-)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7 H-pyrido[1,2,3-de] [1,4] benzoxazine-6-carboxylic acid] were prepared by use of their optically resolved synthetic intermediates. One of the isomers, (...

journal_title：Antimicrobial agents and chemotherapy

authors： Hayakawa I,Atarashi S,Yokohama S,Imamura M,Sakano K,Furukawa M

更新日期：1986-01-01 00:00:00

abstract：:It has previously been shown that overexpression of the CdMDR1 gene is a major contributor to resistance in fluconazole-resistant isolates of Candida dubliniensis. However, since CdMdr1p does not mediate transport of other azole drugs such as itraconazole, we investigated the molecular mechanisms of stable resistance ...

journal_title：Antimicrobial agents and chemotherapy

authors： Pinjon E,Moran GP,Jackson CJ,Kelly SL,Sanglard D,Coleman DC,Sullivan DJ

更新日期：2003-08-01 00:00:00

abstract：:Bisbenzamidines, such as pentamidine isethionate, are aromatic dicationic compounds that are active against Pneumocystis and other microbes but are oftentimes toxic to the host. To identify potential anti-Pneumocystis agents, we synthesized bisbenzamidine derivatives in which the parent compound pentamidine was modifi...

journal_title：Antimicrobial agents and chemotherapy

authors： Cushion MT,Walzer PD,Ashbaugh A,Rebholz S,Brubaker R,Vanden Eynde JJ,Mayence A,Huang TL

更新日期：2006-07-01 00:00:00

abstract：:Occidiofungin is a cyclic glyco-lipopeptide produced by Burkholderia contaminans. MICs against Candida species were between 0.5 and 2.0 μg/ml. Occidiofungin retains its in vitro potency in the presence of 5% and 50% human serum with a minimal lethal concentration (MLC) of 2 and 4 μg/ml, respectively. Time-kill and pos...

journal_title：Antimicrobial agents and chemotherapy

authors： Ellis D,Gosai J,Emrick C,Heintz R,Romans L,Gordon D,Lu SE,Austin F,Smith L

更新日期：2012-02-01 00:00:00

abstract：:Resistance-nodulation-division (RND) efflux pumps are important contributors to bacterial antibiotic resistance. In this study, we combined evolutionary sequence analyses, computational structural modeling, and ligand docking to develop a framework that can explain the known antibiotic substrate selectivity difference...

journal_title：Antimicrobial agents and chemotherapy

authors： Dey D,Kavanaugh LG,Conn GL

更新日期：2020-07-22 00:00:00

abstract：:A new class of pyridine oxide derivatives as inhibitors of human immunodeficiency virus type 1 (HIV-1) and/or HIV-2 replication in cell culture has been identified. The compounds, which specifically inhibit HIV-1, behave as typical nonnucleoside reverse transcriptase inhibitors (NNRTIs). The most active congener of th...

journal_title：Antimicrobial agents and chemotherapy

authors： Stevens M,Pannecouque C,De Clercq E,Balzarini J

更新日期：2003-09-01 00:00:00

abstract：:Ovotransferrin immobilized by covalent linkage to Sepharose 4B showed a bacteriostatic effect towards Escherichia coli similar to that of free ovotransferrin. The growth of the bacteria, after exposure to the gel-bound ovotransferrin and its removal, depended on the length of exposure. The results suggest that the ant...

journal_title：Antimicrobial agents and chemotherapy

authors： Valenti P,Antonini G,Fanelli MR,Orsi N,Antonini E

更新日期：1982-05-01 00:00:00

abstract：:Streptococcus agalactiae (group B Streptococcus [GBS]) is a Gram-positive bacterium that colonizes the cervicovaginal tract in approximately 25% of healthy women. Although colonization is asymptomatic, GBS can be vertically transmitted to newborns peripartum, causing severe disease such as pneumonia and meningitis. Cu...

journal_title：Antimicrobial agents and chemotherapy

authors： Cavaco CK,Patras KA,Zlamal JE,Thoman ML,Morgan EL,Sanderson SD,Doran KS

更新日期：2013-11-01 00:00:00

abstract：:For six clinical isolates of Chlamydia trachomatis, in vitro susceptibility to erythromycin, azithromycin, and josamycin has been determined. Four isolates were resistant to all the antibiotics and had the mutations A2058C and T2611C (Escherichia coli numbering) in the 23S rRNA gene. All the isolates had mixed populat...

journal_title：Antimicrobial agents and chemotherapy

authors： Misyurina OY,Chipitsyna EV,Finashutina YP,Lazarev VN,Akopian TA,Savicheva AM,Govorun VM

更新日期：2004-04-01 00:00:00

abstract：:To determine if saquinavir mesylate (saquinavir) is a substrate of human multidrug resistance-associated protein 1 (hMRP1 [ABCC1]) or hMRP2 (cMOAT, or ABCC2), MDCKII cells that overexpress either hMRP1 (MDCKII-MRP1) or hMRP2 (MDCKII-MRP2) were used to investigate saquinavir's cytotoxicity and transport in comparison w...

journal_title：Antimicrobial agents and chemotherapy

authors： Williams GC,Liu A,Knipp G,Sinko PJ

更新日期：2002-11-01 00:00:00

abstract：:The effectiveness of antibiotic treatment was examined in a mouse model of Lyme borreliosis. Mice were treated with ceftriaxone or saline solution for 1 month, commencing during the early (3 weeks) or chronic (4 months) stages of infection with Borrelia burgdorferi. Tissues from mice were tested for infection by cultu...

journal_title：Antimicrobial agents and chemotherapy

authors： Hodzic E,Feng S,Holden K,Freet KJ,Barthold SW

更新日期：2008-05-01 00:00:00

abstract：:Recovery of gentamicin from renal cortical tissue (assayed by fluorescence polarization immunoassay) was highest (P less than 0.05) when using a sodium hydroxide (NaOH) digestion procedure without homogenization (90.0 +/- 5.4%), followed by homogenization with NaOH digestion (85.8 +/- 7.7%) and homogenization with tri...

journal_title：Antimicrobial agents and chemotherapy

authors： Brown SA,Sugimoto K,Smith GG,Garry FB

更新日期：1988-04-01 00:00:00

abstract：:The judicious use of perioperative antibiotic prophylaxis reduces the infectious complications of surgery. However, increased bacterial resistance within hospitals may make antibiotic prophylaxis less effective in the future and alternative strategies are needed. New immunomodulatory agents might prevent wound infecti...

journal_title：Antimicrobial agents and chemotherapy

authors： Kernodle DS,Gates H,Kaiser AB

更新日期：1998-03-01 00:00:00

abstract：:The MICs of echinocandins against Candida isolates with fks mutations are higher than those for wild-type (WT) isolates. However, the MIC ranges for susceptible and mutant populations overlap or are poorly separated. It was recently reported that a greater separation could be achieved in the presence of serum. To more...

journal_title：Antimicrobial agents and chemotherapy

authors： Arendrup MC,Rodriguez-Tudela JL,Park S,Garcia-Effron G,Delmas G,Cuenca-Estrella M,Gomez-Lopez A,Perlin DS

更新日期：2011-04-01 00:00:00

abstract：:After inducing mutagenesis with nitrosoguanidine, we used vancomycin enrichment in isolating auxotrophic mutants of Mycobacterium smegmatis. Compared with cycloserine and penicillin G, which are also cell wall inhibitors, vancomycin, with 24 h of exposure, produced less cell lysis and a greater reduction in viable cel...

journal_title：Antimicrobial agents and chemotherapy

authors： Woodley CL,Baldwin JN,Greenberg J

更新日期：1981-04-01 00:00:00

abstract：:The accumulation of norfloxacin by Bacteroides fragilis NCTC 9343 was determined by the modified fluorescence method. The time required to achieve a steady-state concentration (SSC) after allowing B. fragilis to accumulate norfloxacin in an aerobic or an anaerobic environment was approximately 2 min; the SSC achieved ...

journal_title：Antimicrobial agents and chemotherapy

authors： Ricci V,Piddock LJ

更新日期：2000-09-01 00:00:00

abstract：:Loss of viability of toxin-treated cells of Saccharomyces cerevisiae SCF 1717 could be prevented in the period before they altered physiologically if cells were incubated in media with a suitable concentration of potassium (0.08 to 0.13 M) and hydrogen ions (pH 6.2 to 6.7). Incorporation of higher amounts of potassium...

journal_title：Antimicrobial agents and chemotherapy

authors： Middelbeek EJ,Crützen QH,Vogels GD

更新日期：1980-10-01 00:00:00

abstract：:Primaquine is currently the only drug available for radical cure of Plasmodium vivax and P. ovale liver infection stages, but limited safety data exist for children <10 years of age. Detailed daily assessments of side effects in glucose-6-phosphate dehydrogenase (G6PD)-normal children treated with 14 days of primaquin...

journal_title：Antimicrobial agents and chemotherapy

authors： Betuela I,Bassat Q,Kiniboro B,Robinson LJ,Rosanas-Urgell A,Stanisic D,Siba PM,Alonso PL,Mueller I

更新日期：2012-04-01 00:00:00

abstract：:Serum and milk concentrations of rifamycin SV and rifampin were determined in lactating ewes after a single intravenous injection, and pharmacokinetic parameters were evaluated by the two-compartment open-system model. Rifampin was distributed throughout a greater volume than rifamycin SV and was eliminated more slowl...

journal_title：Antimicrobial agents and chemotherapy

authors： Ziv G,Sulman FG

更新日期：1974-02-01 00:00:00

abstract：:A case-control study of the effect of antiretroviral therapy (ART) on apoptosis pathway genes comprising 16 cases (HIV infected with mitochondrial toxicity) and 16 controls (HIV uninfected) was conducted. A total of 26 of 84 genes of the apoptosis pathway were differentially expressed. Two of the upregulated genes, DF...

journal_title：Antimicrobial agents and chemotherapy

authors： Foli Y,Ghebremichael M,Li M,Paintsil E

更新日期：2017-07-25 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 interrelationships between the pharmacokinetics of zidovudine alone and of zidovudine plus clarithromycin were evaluated with 18 volunteers with AIDS who had no infection with Mycobacterium avium complex or clinical evidence of gastroenteritis. Patients received 200 mg of zidovudine orally every 8 h on days 1 to 4...

journal_title：Antimicrobial agents and chemotherapy

authors： Vance E,Watson-Bitar M,Gustavson L,Kazanjian P

更新日期：1995-06-01 00:00:00

abstract：:There is concern about the rise of antifungal drug resistance, but little is known about comparative biological properties and pathogenicity of drug-resistant strains. We generated fluconazole (FLC; CO23 RFLC)- or micafungin (FK; CO23 RFK)-resistant strains of Candida albicans by treating a FLC- and FK-susceptible str...

journal_title：Antimicrobial agents and chemotherapy

authors： Angiolella L,Stringaro AR,De Bernardis F,Posteraro B,Bonito M,Toccacieli L,Torosantucci A,Colone M,Sanguinetti M,Cassone A,Palamara AT

更新日期：2008-03-01 00:00:00

abstract：:The effects of trimethoprim, sulfadiazine, sulfamethoxazole, and sulfathiazole on the hemagglutination and adhesion by three Escherichia coli strains were studied. The strains were isolated from the urine of patients with acute pyelonephritis and carried P antigen-recognizing fimbriae (P fimbriae). At antimicrobial co...

journal_title：Antimicrobial agents and chemotherapy

authors： Väisänen V,Lounatmaa K,Korhonen TK

更新日期：1982-07-01 00:00:00

abstract：:The susceptibilities of a range of gram-positive and gram-negative microbial pathogens to clofazimine and its analog B669 (0.1 to 32 micrograms/ml), as well as the effects of these agents on membrane phospholipid metabolism in Staphylococcus aureus and Escherichia coli, have been investigated in vitro. Gram-positive b...

journal_title：Antimicrobial agents and chemotherapy

authors： Van Rensburg CE,Jooné GK,O'Sullivan JF,Anderson R

更新日期：1992-12-01 00:00:00

abstract：:Most ampicillin-resistant Shigella are susceptible to cephalexin. Randomized treatment with cephalexin or ampicillin was given to 154 infants and children with acute diarrhea. Rectal swab cultures revealed Shigella in 42%, Salmonella in 6%, enteropathogenic Escherichia coli in 2%, and no pathogen in 50%. Cephalexin fa...

journal_title：Antimicrobial agents and chemotherapy

authors： Nelson JD,Haltalin KC

更新日期：1975-04-01 00:00:00

abstract：:Despite controversies associated with forms and value of antibiotic therapy for cystic fibrosis patients, antibiotherapy remains a cornerstone in the management of those patients. Locally administered liposome-encapsulated antibiotics may offer advantages over free antibiotics, including sustained concentration of the...

journal_title：Antimicrobial agents and chemotherapy

authors： Beaulac C,Clément-Major S,Hawari J,Lagacé J

更新日期：1996-03-01 00:00:00

abstract：:Pharmacological modeling of antiparasitic treatment based on a drug's pharmacokinetic and pharmacodynamic properties plays an increasingly important role in identifying optimal drug dosing regimens and predicting their potential impact on control and elimination programs. Conventional modeling of treatment relies on m...

journal_title：Antimicrobial agents and chemotherapy

authors： Hodel EM,Kay K,Hastings IM

更新日期：2016-04-22 00:00:00