Selection and characterization of human immunodeficiency virus type 1 variants resistant to the (+) and (-) enantiomers of 2'-deoxy-3'-oxa-4'-thio-5-fluorocytidine.

abstract：:Cilofungin has potent in vitro activity against Candida albicans, but previous in vivo models using twice daily intermittent dosing regimens have not consistently demonstrated in vivo efficacy. Because of the pharmacokinetics of cilofungin in rabbits, it has been suggested that administration by continuous intravenous...

journal_title：Antimicrobial agents and chemotherapy

authors： Rouse MS,Tallan BM,Steckelberg JM,Henry NK,Wilson WR

更新日期：1992-01-01 00:00:00

abstract：:Genome studies suggest that DNA gyrase is the sole type II topoisomerase and likely the unique target of quinolones in Mycobacterium tuberculosis. Despite the emerging importance of quinolones in the treatment of mycobacterial disease, the slow growth and high pathogenicity of M. tuberculosis have precluded direct pur...

journal_title：Antimicrobial agents and chemotherapy

authors： Aubry A,Pan XS,Fisher LM,Jarlier V,Cambau E

更新日期：2004-04-01 00:00:00

abstract：:This work reports, for the first time, the presence of New Delhi metallo-β-lactamase 1 (NDM-1) in Pseudomonas aeruginosa. Moreover, this is the first report of the NDM-1 presence in the Balkan region. Cosmid gene libraries of carbapenem-nonsusceptible Pseudomonas aeruginosa clinical isolates MMA83 and MMA533 were scre...

journal_title：Antimicrobial agents and chemotherapy

authors： Jovcic B,Lepsanovic Z,Suljagic V,Rackov G,Begovic J,Topisirovic L,Kojic M

更新日期：2011-08-01 00:00:00

abstract：:Combination antiretroviral therapy has achieved dramatic reductions in the mortality and morbidity in people with HIV-1 infection. Darunavir (DRV) represents a most efficacious and well-tolerated protease inhibitor (PI) with a high genetic barrier to the emergence of drug-resistant HIV-1. However, highly DRV-resistant...

journal_title：Antimicrobial agents and chemotherapy

authors： Takamatsu Y,Aoki M,Bulut H,Das D,Amano M,Sheri VR,Kovari LC,Hayashi H,Delino NS,Ghosh AK,Mitsuya H

更新日期：2019-07-25 00:00:00

abstract：:Fungal infections, especially infections caused by Candida albicans, remain a challenging problem in clinical settings. Despite the development of more-effective antifungal drugs, their application is limited for various reasons. Thus, alternative treatments with drugs aimed at novel targets in C. albicans are needed....

journal_title：Antimicrobial agents and chemotherapy

authors： Li X,Hou Y,Yue L,Liu S,Du J,Sun S

更新日期：2015-10-01 00:00:00

abstract：:Currently, CTX-M β-lactamases are among the most prevalent and most heterogeneous extended-spectrum β-lactamases (ESBLs). In general, CTX-M enzymes are susceptible to inhibition by β-lactamase inhibitors. However, it is unknown if the pathway to inhibition by β-lactamase inhibitors for CTX-M ESBLs is similar to TEM an...

journal_title：Antimicrobial agents and chemotherapy

authors： Bethel CR,Taracila M,Shyr T,Thomson JM,Distler AM,Hujer KM,Hujer AM,Endimiani A,Papp-Wallace K,Bonnet R,Bonomo RA

更新日期：2011-07-01 00:00:00

abstract：:The inhibitory effects of azithromycin (AZM), a new 15-membered macrolide antibiotic, on the production of exotoxin A, total protease, elastase, and phospholipase C by Pseudomonas aeruginosa were determined, and the virulence-suppressing effects of AZM were compared with those of erythromycin (EM), roxithromycin (RXM)...

journal_title：Antimicrobial agents and chemotherapy

authors： Mizukane R,Hirakata Y,Kaku M,Ishii Y,Furuya N,Ishida K,Koga H,Kohno S,Yamaguchi K

更新日期：1994-03-01 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：:Echinocandins are important in the prevention and treatment of invasive candidiasis but limited by current dosing regimens that include daily intravenous administration. The novel echinocandin CD101 has a prolonged half-life of approximately 130 h in humans, making it possible to design once-weekly dosing strategies. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lepak AJ,Zhao M,VanScoy B,Ambrose PG,Andes DR

更新日期：2018-01-25 00:00:00

abstract：:(-)-beta-D-2-Aminopurine dioxolane (APD) and (-)-beta-D-2-amino-6-chloropurine dioxolane (ACPD) are recently synthesized dioxolanylpurine nucleoside derivatives being developed as potential prodrugs for the antiviral nucleoside analog (-)-beta-D-dioxolane guanine (DXG). In vitro, APD and ACPD are converted to DXG by x...

journal_title：Antimicrobial agents and chemotherapy

authors： Chen H,Boudinot FD,Chu CK,Mcclure HM,Schinazi RF

更新日期：1996-10-01 00:00:00

abstract：:Escherichia coli K-12 carrying the R-factor R1 or R6K is resistant to streptomycin. The resistance is due to R-factor-coded enzymes that metabolize the drug. Streptomycin can be inactivated in two ways, either by adenylylation or by phosphorylation; both reactions require adenosine 5'-triphosphate. In this work we sho...

journal_title：Antimicrobial agents and chemotherapy

authors： Lundbäck AK,Nordström K

更新日期：1974-05-01 00:00:00

abstract：:The role of extracellular DNA in the maintenance of biofilms formed by gram-positive and gram-negative bacteria was studied. This study evaluated all the bacterial strains that were tested for the presence of extracellular DNA with an average size of 30 kb in the matrix. Our results indicate changes in community bioma...

journal_title：Antimicrobial agents and chemotherapy

authors： Tetz GV,Artemenko NK,Tetz VV

更新日期：2009-03-01 00:00:00

abstract：:Platelet-activating factor (PAF) is a potent endogenous proinflammatory mediator implicated in the pathogenesis of septic shock. A double-blind randomized placebo-controlled trial of an intravenous PAF receptor antagonist (lexipafant) was conducted with 131 adult Thai patients with suspected severe sepsis (66 of whom ...

journal_title：Antimicrobial agents and chemotherapy

authors： Suputtamongkol Y,Intaranongpai S,Smith MD,Angus B,Chaowagul W,Permpikul C,Simpson JA,Leelarasamee A,Curtis L,White NJ

更新日期：2000-03-01 00:00:00

abstract：:R1033 is a plasmid of compatibility group P (= P1) transferred from a wild strain of Pseudomonas aeruginosa. It confers resistance to gentamicin by gentamicin acetyl-transferase 1 and to kanamycin and neomycin by neomycin phosphotransferase 1. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Smith DI,Lus RG,Rubio Calvo MC,Datta N,Jacob AE,Hedges RW

更新日期：1975-09-01 00:00:00

abstract：:We evaluated the combination of posaconazole with amphotericin B in vitro and in a murine model of systemic infections caused by Sporothrix brasiliensis and Sporothrix schenckii sensu stricto. In vitro data demonstrated a synergistic effect, and although posaconazole alone was effective against sporotrichosis, efficac...

journal_title：Antimicrobial agents and chemotherapy

authors： Mario DN,Guarro J,Santurio JM,Alves SH,Capilla J

更新日期：2015-08-01 00:00:00

abstract：:Hydrophilic albumin microspheres are proposed as a new delivery system for amphotericin B (AMB; AMB microspheres). The acute toxicity of AMB microspheres was lower than that of the AMB-deoxycholate (AMB-Doc) reference formulation in hamsters. Lethal doses in healthy and infected animals were improved at least eight ti...

journal_title：Antimicrobial agents and chemotherapy

authors： Sánchez-Brunete JA,Dea MA,Rama S,Bolás F,Alunda JM,Raposo R,Méndez MT,Torrado-Santiago S,Torrado JJ

更新日期：2004-09-01 00:00:00

abstract：:The biosynthesis pathways of two anthracyclines, nogalamycin and aclacinomycin, were directed toward angucyclines by using an angucycline-specific cyclase, pgaF, isolated from a silent antibiotic biosynthesis gene cluster. Addition of pgaF to a gene cassette that harbored the early biosynthesis genes of nogalamycin re...

journal_title：Antimicrobial agents and chemotherapy

authors： Metsä-Ketelä M,Palmu K,Kunnari T,Ylihonko K,Mäntsälä P

更新日期：2003-04-01 00:00:00

abstract：:Omadacycline is an aminomethylcycline antibiotic with in vitro activity against pathogens causing community-acquired bacterial pneumonia (CABP). This study investigated the activity of omadacycline against Legionella pneumophila strains isolated between 1995 and 2014 from nosocomial or community-acquired respiratory i...

journal_title：Antimicrobial agents and chemotherapy

authors： Dubois J,Dubois M,Martel JF

更新日期：2020-04-21 00:00:00

abstract：:A total of 6,991 unique patient isolates of Streptococcus pneumoniae were collected from October 1997 to June 2002 from 25 medical centers in 9 of the 10 Canadian provinces. Among these isolates, 20.2% were penicillin nonsusceptible, with 14.6% being penicillin intermediate (MIC, 0.12 to 1 microg/ml) and 5.6% being pe...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhanel GG,Palatnick L,Nichol KA,Bellyou T,Low DE,Hoban DJ

更新日期：2003-06-01 00:00:00

abstract：:The activity of cefotaxime, either alone or combined with an aminoglycoside, was determined against 50 isolates of Pseudomonas aeruginosa, of which 50, 33, and 10 were resistant to gentamicin, tobramycin, and amikacin, respectively. Cefotaxime inhibited 34 isolates at a concentration of 16 microgram/ml and all isolate...

journal_title：Antimicrobial agents and chemotherapy

authors： Murray PR

更新日期：1980-03-01 00:00:00

abstract：:MICs, time-kills, and postantibiotic effects (PAEs) of ABT-773 (a new ketolide) and 10 other agents were determined against 226 pneumococci. Against 78 ermB- and 44 mefE-containing strains, ABT-773 MICs at which 50% of the isolates tested were inhibited (MIC(50)s) and MIC(90)s were 0.016 to 0.03 and 0.125 microgram/ml...

journal_title：Antimicrobial agents and chemotherapy

authors： Davies TA,Ednie LM,Hoellman DM,Pankuch GA,Jacobs MR,Appelbaum PC

更新日期：2000-07-01 00:00:00

abstract：:The activities of trimethoprim (TMP) and sulfamethoxazole (SMZ), alone and in combination (SMZ-TMP), and of the following antibiotics were tested against 115 clinical isolates of nontyphoid Salmonella species: tobramycin, gentamicin, ampicillin, amoxicillin, neomycin, kanamycin, chloramphenicol, and tetracycline. The ...

journal_title：Antimicrobial agents and chemotherapy

authors： Marks MI,Kazemi M,MacKay E

更新日期：1973-11-01 00:00:00

abstract：:A survey of 1,203 Escherichia coli isolates from 44 hospitals in Taiwan revealed that 136 (11.3%) isolates were resistant to fluoroquinolones and that another 261 (21.7%) isolates had reduced susceptibility. Resistance was more common in isolates responsible for hospital-acquired (mostly in intensive care units) infec...

journal_title：Antimicrobial agents and chemotherapy

authors： McDonald LC,Chen FJ,Lo HJ,Yin HC,Lu PL,Huang CH,Chen P,Lauderdale TL,Ho M

更新日期：2001-11-01 00:00:00

abstract：:Seven bla(IMP-1)-harboring Acinetobacter sp. isolates and one Pseudomonas putida clinical isolate were recovered from hospitalized patients. All isolates possessed a class 1 integron, named In86, carrying the same cassette array [bla(IMP1), aac(6')-31, and aadA1], which was plasmid located in five of the isolates. Thi...

journal_title：Antimicrobial agents and chemotherapy

authors： Mendes RE,Castanheira M,Toleman MA,Sader HS,Jones RN,Walsh TR

更新日期：2007-07-01 00:00:00

abstract：:Rifampin was shown in vitro to decrease the amphotericin B minimal inhibitory concentrations of all of 10 strains of Coccidioides immitis tested. These decreases ranged from two- to fourfold and occurred with rifampin concentrations of 10 to 40 mug/ml. Rifampin alone was without effect. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rifkind D,Crowder ED,Hyland RN

更新日期：1974-12-01 00:00:00

abstract：:In most experiments when aminoglycoside antibiotic (AG) tissue levels are measured, the AG is extracted into buffered media. The data from this study reveal that buffer extraction results in only partial recovery of AG from tissues and that total recovery can be obtained after NaOH or trichloroacetic acid treatment. T...

journal_title：Antimicrobial agents and chemotherapy

authors： Fox KE

更新日期：1989-04-01 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：:The trypanocidal action of green tea catechins against two different developmental stages of Trypanosoma cruzi is reported for the first time. This activity was assayed with the nonproliferative bloodstream trypomastigote and with the intracellular replicative amastigote parasite forms. An ethyl acetate fraction from ...

journal_title：Antimicrobial agents and chemotherapy

authors： Paveto C,Güida MC,Esteva MI,Martino V,Coussio J,Flawiá MM,Torres HN

更新日期：2004-01-01 00:00:00

abstract：:TEM-24 remains one of the most widespread TEM-type extended-spectrum beta-lactamases (ESBLs) among Enterobacteriaceae. To analyze the reasons influencing its spread and persistence, a multilevel population genetics study was carried out on 28 representative TEM-24 producers from Belgium, France, Portugal, and Spain (1...

journal_title：Antimicrobial agents and chemotherapy

authors： Novais A,Baquero F,Machado E,Cantón R,Peixe L,Coque TM

更新日期：2010-02-01 00:00:00

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