Two 2-hydroxy-3-alkyl-1,4-naphthoquinones with in vitro and in vivo activities against Toxoplasma gondii.

abstract：:The ability of novobiocin to eliminate (cure) the wild-type plasmid pMG110 from Escherichia coli has been compared with that of other inhibitors of the gyrase B subunit and of the gyrase A subunit. Novobiocin eliminated pMG110 , producing over 99% plasmid loss at concentrations two- to eightfold below the MIC for bact...

journal_title：Antimicrobial agents and chemotherapy

authors： Hooper DC,Wolfson JS,McHugh GL,Swartz MD,Tung C,Swartz MN

更新日期：1984-05-01 00:00:00

abstract：:Mycobacterium abscessus is an extensively drug-resistant opportunistic pathogen that can cause chronic otomastoiditis. There are no evidence-based treatment regimens for this severe infection. We treated four children with M. abscessus otomastoiditis with a structured regimen of topical imipenem and tigecycline, intra...

journal_title：Antimicrobial agents and chemotherapy

authors： van Wijk F,Waterval J,van Aerde K,Henriet SSV,Meijer FJA,Borra LC,Aarnoutse RE,van Ingen J

更新日期：2019-12-20 00:00:00

abstract：:The objective of this study was to determine the population pharmacokinetic parameters of levofloxacin, gatifloxacin, and moxifloxacin following multiple oral doses. Twenty-nine patients with tuberculosis at the University Hospital in Vitória, Brazil, participated. Subjects received multiple doses of one drug (levoflo...

journal_title：Antimicrobial agents and chemotherapy

authors： Peloquin CA,Hadad DJ,Molino LP,Palaci M,Boom WH,Dietze R,Johnson JL

更新日期：2008-03-01 00:00:00

abstract：:A number of compounds, as exemplified by verapamil and desipramine, have been shown to enhance the susceptibility of resistant malaria parasites to chloroquine. The mechanism by which these agents reverse resistance is still controversial but is though to involve alterations in drug transport causing an increase in st...

journal_title：Antimicrobial agents and chemotherapy

authors： Ndifor AM,Howells RE,Bray PG,Ngu JL,Ward SA

更新日期：1993-06-01 00:00:00

abstract：:Given the greater than 90% lethality of clinical central nervous system (CNS) aspergillosis despite current therapies, there is a need for an animal model to study therapeutic strategies. We previously established a model of CNS aspergillosis by intracerebral infection and report here the results of treatment with the...

journal_title：Antimicrobial agents and chemotherapy

authors： Chiller TM,Sobel RA,Luque JC,Clemons KV,Stevens DA

更新日期：2003-02-01 00:00:00

abstract：:Amphotericin B, the principal drug used for treating systemic mycoses, possesses undesirable toxic properties. The ability of this antibiotic to potentiate antifungal activity of other compounds suggests that lower doses of amphotericin B could be used in combination with a second drug without loss of therapeutic effi...

journal_title：Antimicrobial agents and chemotherapy

authors： Huppert M,Pappagianis D,Sun SH,Gleason-Jordan I,Collins MS,Vukovich KR

更新日期：1976-03-01 00:00:00

abstract：:The lfrA gene of Mycobacterium smegmatis encodes an efflux pump which mediates resistance to different fluoroquinolones, cationic dyes, and anthracyclines. The deletion of the lfrR gene, coding for a putative repressor and localized upstream of lfrA, increased the lfrA expression. In this study, reverse transcription-...

journal_title：Antimicrobial agents and chemotherapy

authors： Buroni S,Manina G,Guglierame P,Pasca MR,Riccardi G,De Rossi E

更新日期：2006-12-01 00:00:00

abstract：:The in vitro and in vivo activities of modithromycin, a novel bicyclolide, against Legionella pneumophila were compared with those of telithromycin, clarithromycin, azithromycin, and levofloxacin. All the test agents decreased the intracellular growth of viable L. pneumophila bacteria over 96 h of incubation in both t...

journal_title：Antimicrobial agents and chemotherapy

authors： Sato T,Tateda K,Kimura S,Ishii Y,Yamaguchi K

更新日期：2011-04-01 00:00:00

abstract：:β-Lactam resistance levels vary among methicillin-resistant Staphylococcus aureus (MRSA) clinical isolates, mediated by chromosomal mutations and exogenous resistance gene mecA However, MRSA resistance mechanisms are incompletely understood. A P440L mutation in the RNA polymerase β' subunit (RpoC) in slow-vancomycin-i...

journal_title：Antimicrobial agents and chemotherapy

authors： Matsuo M,Yamamoto N,Hishinuma T,Hiramatsu K

更新日期：2019-01-29 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：:Community-associated infections due to Escherichia coli producing CTX-M-type extended-spectrum β-lactamases are increasingly recognized in the United States. The bla(CTX-M) genes are frequently carried on IncF group plasmids. In this study, bla(CTX-M-15)-harboring plasmids pCA14 (sequence type 131 [ST131]) and pCA28 (...

journal_title：Antimicrobial agents and chemotherapy

authors： Li JJ,Spychala CN,Hu F,Sheng JF,Doi Y

更新日期：2015-01-01 00:00:00

abstract：:Piperaquine (PQ) is an antimalarial drug whose high lipid solubility suggests that its absorption can be increased by a high-fat meal. We examined the pharmacokinetics of PQ phosphate (500 mg given orally) in the fasting state and after a high-fat meal in eight healthy Caucasian volunteers (randomized crossover). Plas...

journal_title：Antimicrobial agents and chemotherapy

authors： Sim IK,Davis TM,Ilett KF

更新日期：2005-06-01 00:00:00

abstract：:Ethambutol (EMB) is a major component of the first-line therapy of tuberculosis. Mutations in codon 306 of embB (embB306) were suggested as a major resistance mechanism in clinical isolates. To directly analyze the impact of individual embB306 mutations on EMB resistance, we used allelic exchange experiments to genera...

journal_title：Antimicrobial agents and chemotherapy

authors： Plinke C,Walter K,Aly S,Ehlers S,Niemann S

更新日期：2011-06-01 00:00:00

abstract：:The effects of renal impairment on the pharmacokinetics of ceftriaxone in humans were examined after intravenous infusion of a 1-g dose over 15 min to 30 renally impaired patients. The study included 12 dialysis patients and 18 patients with severe, moderate, or mild renal impairment. Plasma and, where appropriate, ur...

journal_title：Antimicrobial agents and chemotherapy

authors： Patel IH,Sugihara JG,Weinfeld RE,Wong EG,Siemsen AW,Berman SJ

更新日期：1984-04-01 00:00:00

abstract：:The diversity of tet(S) genetic contexts of 13 enterococci from human, animal, and environmental samples from different geographical areas is reported. The tet(S) gene was linked to either CTn6000 variants of chromosomal location or composite platforms flanked by IS1216 located on plasmids (∼40 to 115 kb). The compara...

journal_title：Antimicrobial agents and chemotherapy

authors： Novais C,Freitas AR,Silveira E,Baquero F,Peixe L,Roberts AP,Coque TM

更新日期：2012-11-01 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：:Oral doses of norfloxacin (80 mg/kg of body weight per day) and ciprofloxacin (25 and 80 mg/kg/day) and intramuscular doses of teicoplanin (5 mg/kg/day), all administered once a day for 10 days, were evaluated as a means of preventing encrusted cystitis caused by Corynebacterium group D2. Zinc disks dipped into a 24-h...

journal_title：Antimicrobial agents and chemotherapy

authors： Soriano F,Rodriguez-Tudela JL,Castilla C,Avilés P

更新日期：1991-12-01 00:00:00

abstract：:An experimental local infection system has been developed in which exudates are induced with croton oil in granuloma pouches of rats. This system provided a suitable model for the evaluation of the therapeutic effect of two antibiotics, cefazolin and cephalothin. Exudate levels of cefazolin were found to be higher tha...

journal_title：Antimicrobial agents and chemotherapy

authors： Nishida M,Murakawa T

更新日期：1977-06-01 00:00:00

abstract：:Saccharomicins A and B, two new heptadecaglycoside antibiotics, were isolated from the fermentation broth of the rare actinomycete Saccharothrix espanaensis. They represent a novel class of bactericidal antibiotics that are active both in vitro and in vivo against bacteria and yeast (MICs: Staphylococcus aureus, <0.12...

journal_title：Antimicrobial agents and chemotherapy

authors： Singh MP,Petersen PJ,Weiss WJ,Kong F,Greenstein M

更新日期：2000-08-01 00:00:00

abstract：:The 8-aminoquinoline tafenoquine showed significant in vitro activity against Leishmania species, including L. donovani amastigotes in macrophages, with 50% inhibitory concentrations (IC(50)s) between 0.1 and 4.0 μM for both pentavalent antimony (SbV)-sensitive and SbV-resistant strains and by oral administration in B...

journal_title：Antimicrobial agents and chemotherapy

authors： Yardley V,Gamarro F,Croft SL

更新日期：2010-12-01 00:00:00

abstract：:In Cambodia, multidrug-resistant Plasmodium falciparum undermines the treatment of uncomplicated malaria, and new therapeutic options are needed. Pyronaridine-artesunate has not previously been evaluated in eastern Cambodia. We conducted a single-arm, open-label, prospective study between July and December 2017 at the...

journal_title：Antimicrobial agents and chemotherapy

authors： Leang R,Mairet-Khedim M,Chea H,Huy R,Khim N,Mey Bouth D,Dorina Bustos M,Ringwald P,Witkowski B

更新日期：2019-02-26 00:00:00

abstract：:ICESp1116, responsible for erm(B)-mediated, inducible erythromycin resistance in Streptococcus pyogenes, was comprehensively characterized, and its chromosomal integration site was determined. It displayed a unique mosaic organization consisting of a scaffold, related to TnGallo1 from Streptococcus gallolyticus, with ...

journal_title：Antimicrobial agents and chemotherapy

authors： Brenciani A,Tiberi E,Morici E,Oryasin E,Giovanetti E,Varaldo PE

更新日期：2012-12-01 00:00:00

abstract：:An experiment was conducted in animal facilities to compare the impacts of four avian colibacillosis treatments-oxytetracycline (OTC), trimethoprim-sulfadimethoxine (SXT), amoxicillin (AMX), or enrofloxacin (ENR)-on the susceptibility of Escherichia coli in broiler intestinal tracts. Birds were first orally inoculated...

journal_title：Antimicrobial agents and chemotherapy

authors： Dheilly A,Le Devendec L,Mourand G,Bouder A,Jouy E,Kempf I

更新日期：2012-01-01 00:00:00

abstract：:The in vitro activities of LY146032 and seven comparative antimicrobial agents against 14 species of staphylococci, streptococci, and enterococci were studied. MICs of LY146032 were less than or equal to 0.5 microgram/ml for all staphylococci, including oxacillin-resistant strains; less than or equal to 0.25 microgram...

journal_title：Antimicrobial agents and chemotherapy

authors： Fass RJ,Helsel VL

更新日期：1986-11-01 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：:Acinetobacter baumannii is responsible for severe nosocomial pneumonia. To evaluate new therapeutic regimens for infections due to multiresistant strains and to study the pharmacodynamic properties of various antibiotics, we developed an experimental mouse model of acute A. baumannii pneumonia. C3H/HeN mice rendered t...

journal_title：Antimicrobial agents and chemotherapy

authors： Joly-Guillou ML,Wolff M,Pocidalo JJ,Walker F,Carbon C

更新日期：1997-02-01 00:00:00

abstract：:The in vitro activities of sparfloxacin, temafloxacin, ciprofloxacin, ofloxacin, clarithromycin, erythromycin, tetracycline, cephalothin, penicillin G, and amoxicillin-clavulanic acid against 173 recent clinical bite wound isolates were determined by agar dilution. Sparfloxacin was active against all strains (MIC for ...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Citron DM

更新日期：1993-05-01 00:00:00

abstract：:The activities of DU-6859a, levofloxacin, ofloxacin, sparfloxacin, and ciprofloxacin against bite wound isolates were determined by the agar dilution method. DU-6859a was the most active compound (MICs, < or = 0.125 microg/ml) against all Pasteurella species, Staphylococcus aureus, and streptococci; anaerobes were sus...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Citron DM,Hunt Gerardo S,Hudspeth M,Merriam CV

更新日期：1997-05-01 00:00:00

abstract：:Sixty-seven patients were treated with moxalactam in a noncomparative trial of hospitalized patients; 32 had endometritis or chorioamnionitis, 12 had skin and soft tissue infections, 5 had osteomyelitis, 5 had pneumonia, 5 had urinary tract infections, 4 had arthritis, 2 had sepsis from an unknown source, 1 had endoca...

journal_title：Antimicrobial agents and chemotherapy

authors： Marier RL,Faro S,Sanders CV,Williams W,Derks F,Janney A,Aldridge K

更新日期：1982-04-01 00:00:00

abstract：:We investigated the relevance of prominent reduction in turbidity macroscopically (MIC) and formation of aberrant hyphal tips microscopically (minimum effective concentration; MEC) in measuring the in vitro activity of caspofungin against Aspergillus and Fusarium. Caspofungin generated low MICs and MECs against Asperg...

journal_title：Antimicrobial agents and chemotherapy

authors： Arikan S,Lozano-Chiu M,Paetznick V,Rex JH

更新日期：2001-01-01 00:00:00