Inhibition of the emergence of ciprofloxacin resistance in Streptococcus pneumoniae by the multidrug efflux inhibitor reserpine.

abstract：:The in vitro antimicrobial activity of O-demethylfortimicin A (ODMF), a derivative of fortimicin A, was compared with those of fortimicin A and gentamicin against a spectrum of 256 organisms. All three antibiotics were active in low concentrations against all strains of Enterobacteriaceae, Acinetobacter sp., and Staph...

journal_title：Antimicrobial agents and chemotherapy

authors： Girolami RL,Stamm JM

更新日期：1980-11-01 00:00:00

abstract：:The opportunistic apicomplexan parasite Toxoplasma gondii damages fetuses in utero and threatens immunocompromised individuals. The toxicity associated with standard antitoxoplasmal therapies, which target the folate pathway, underscores the importance of examining alternative pharmacological strategies. Parasitic pro...

journal_title：Antimicrobial agents and chemotherapy

authors： Sullivan WJ Jr,Dixon SE,Li C,Striepen B,Queener SF

更新日期：2005-06-01 00:00:00

abstract：:The association of an IS440-sul3 platform with Tn21 class 1 integrons carried by IncI1 plasmids encoding extended-spectrum β-lactamases (ESBLs; mainly SHV-12 and CTX-M-14) among worldwide Escherichia coli clones of phylogroups A (ST10, ST23, and ST46), B1 (ST155, ST351, and ST359), and D/B2 (ST131) is reported. An in ...

journal_title：Antimicrobial agents and chemotherapy

authors： Curiao T,Cantón R,Garcillán-Barcia MP,de la Cruz F,Baquero F,Coque TM

更新日期：2011-05-01 00:00:00

abstract：:The genetic basis of erythromycin resistance in cutaneous propionibacteria was determined by comparing the nucleotide sequences of the peptidyl transferase region in the 23S rRNAs from 9 susceptible and 26 resistant clinical isolates as well as 4 laboratory-selected erythromycin-resistant mutants of a susceptible stra...

journal_title：Antimicrobial agents and chemotherapy

authors： Ross JI,Eady EA,Cove JH,Jones CE,Ratyal AH,Miller YW,Vyakrnam S,Cunliffe WJ

更新日期：1997-05-01 00:00:00

abstract：:9-[2-(Boranophosphonomethoxy)ethyl]adenine diphosphate (BH(3)-PMEApp) and (R)-9-[2-(boranophosphonomethoxy)propyl]adenine diphosphate (BH(3)-PMPApp), described here, represent the first nucleoside phosphonates modified on their alpha-phosphates that act as efficient substrates for the human immunodeficiency virus type...

journal_title：Antimicrobial agents and chemotherapy

authors： Frangeul A,Barral K,Alvarez K,Canard B

更新日期：2007-09-01 00:00:00

abstract：:The in vitro activity of a new oral antimicrobial agent, norfloxacin (MK-0366), was compared with those of nalidixic acid, nitrofurantoin, co-trimoxazole, trimethoprim, sulfamethoxazole, cinoxacin, tetracycline, ampicillin, carbenicillin, and cephalexin against 628 urinary bacterial isolates. Norfloxacin was the most ...

journal_title：Antimicrobial agents and chemotherapy

authors： Khan MY,Gruninger RP,Nelson SM,Klicker RE

更新日期：1982-05-01 00:00:00

abstract：:Free-living amoebae of the genus Acanthamoeba are causing serious chronic conditions such as destructive keratitis in contact lens wearers or granulomatous amoebic encephalitis in individuals with compromised immune systems. Both are characterized by the lack of availability of sufficiently effective and uncomplicated...

journal_title：Antimicrobial agents and chemotherapy

authors： Walochnik J,Duchêne M,Seifert K,Obwaller A,Hottkowitz T,Wiedermann G,Eibl H,Aspöck H

更新日期：2002-03-01 00:00:00

abstract：:Real-time quantitative PCR was used to measure expression levels of genes encoding efflux pumps, ERG11 and two control genes, ACT1 and PMA1, in a collection of 14 fluconazole-susceptible Candida albicans isolates. For each gene, average expression levels and variations within the population were determined. These valu...

journal_title：Antimicrobial agents and chemotherapy

authors： Chau AS,Mendrick CA,Sabatelli FJ,Loebenberg D,McNicholas PM

更新日期：2004-06-01 00:00:00

abstract：:P128 is an antistaphylococcal protein, comprising a cell wall-degrading enzymatic region and a Staphylococcus-specific binding region, which possesses specific and potent bactericidal activity against sensitive and drug-resistant strains of Staphylococcus aureus To explore P128's ability to kill S. aureus in a range o...

journal_title：Antimicrobial agents and chemotherapy

authors： Nair S,Desai S,Poonacha N,Vipra A,Sharma U

更新日期：2016-11-21 00:00:00

abstract：:While it is well-known that adjunctive corticosteroid use improves the outcome of moderate-to-severe Pneumocystis jirovecii pneumonia (PcP) in patients with human immunodeficiency virus (HIV), there are limited data on its efficacy in non-HIV-infected patients with PcP. Patients undergoing fiber-optic bronchoscopy wit...

journal_title：Antimicrobial agents and chemotherapy

authors： Moon SM,Kim T,Sung H,Kim MN,Kim SH,Choi SH,Jeong JY,Woo JH,Kim YS,Lee SO

更新日期：2011-10-01 00:00:00

abstract：:Colistin is used to treat infections caused by multidrug-resistant gram-negative bacteria (MDR-GNB). It is administered intravenously in the form of colistin methanesulfonate (CMS), which is hydrolyzed in vivo to the active drug. However, pharmacokinetic data are limited. The aim of the present study was to characteri...

journal_title：Antimicrobial agents and chemotherapy

authors： Plachouras D,Karvanen M,Friberg LE,Papadomichelakis E,Antoniadou A,Tsangaris I,Karaiskos I,Poulakou G,Kontopidou F,Armaganidis A,Cars O,Giamarellou H

更新日期：2009-08-01 00:00:00

abstract：:Azoles are widely used antifungals; however, their efficacy is compromised by fungistatic activity and selection of resistant strains during treatment. Recent studies demonstrated roles for the protein kinase C and calcium signaling pathways in modulating azole activity. Here we explored a role for the signaling pathw...

journal_title：Antimicrobial agents and chemotherapy

authors： Jain P,Akula I,Edlind T

更新日期：2003-10-01 00:00:00

abstract：:Mycobactin biosynthesis in Mycobacterium tuberculosis facilitates iron acquisition, which is required for growth and virulence. The mycobactin biosynthesis inhibitor salicyl-AMS [5'-O-(N-salicylsulfamoyl)adenosine] inhibits M. tuberculosis growth in vitro under iron-limited conditions. Here, we conducted a single-dose...

journal_title：Antimicrobial agents and chemotherapy

authors： Lun S,Guo H,Adamson J,Cisar JS,Davis TD,Chavadi SS,Warren JD,Quadri LE,Tan DS,Bishai WR

更新日期：2013-10-01 00:00:00

abstract：:Posaconazole (POS) is a new antifungal agent for prevention and therapy of mycoses in immunocompromised patients. Variable POS pharmacokinetics after oral dosing may influence efficacy: a trough threshold of 0.5 μg/ml has been recently proposed. Measurement of POS plasma concentrations by complex chromatographic techn...

journal_title：Antimicrobial agents and chemotherapy

authors： Rochat B,Pascual A,Pesse B,Lamoth F,Sanglard D,Decosterd LA,Bille J,Marchetti O

更新日期：2010-12-01 00:00:00

abstract：:An uncoupler of oxidative phosphorylation, 2,4-dinitrophenol, and an aconitase inhibitor, fluoroacetic acid, both of which are known to lower the cellular ATP pool, protected Escherichia coli cells from the bactericidal actions of gyrase poisons including quinolone antibiotics, nalidixic acid and ciprofloxacin, and th...

journal_title：Antimicrobial agents and chemotherapy

authors： Li TK,Liu LF

更新日期：1998-05-01 00:00:00

abstract：:Monobactams containing 3 beta-aminothiazolyl oxime side chains (SQ 81,377, SQ 81,402, azthreonam, and SQ 26,917) have poor affinities for the broad-spectrum beta-lactamases TEM-2 and K1. Addition of a 4-methyl substituent significantly increased stability to hydrolysis by these enzymes. P99 cephalosporinase from Enter...

journal_title：Antimicrobial agents and chemotherapy

authors： Bush K,Freudenberger JS,Sykes RB

更新日期：1982-09-01 00:00:00

abstract：:Broth dilution minimal inhibitory concentration (MIC) readings were compared after different incubation periods and with different inoculum concentrations. The purpose was to determine the best conditions for obtaining early results as close as possible to overnight readings. Initially, 76 antibiotic-organism combinat...

journal_title：Antimicrobial agents and chemotherapy

authors： Lampe MF,Aitken CL,Dennis PG,Forsythe PS,Patrick KE,Schoenknecht FD,Sherris JC

更新日期：1975-10-01 00:00:00

abstract：:The rate of nonsusceptibility of penicillin-resistant Streptococcus pneumoniae strains to ceftriaxone increased significantly in Taiwan in 2005. Approximately 90% of the ceftriaxone-nonsusceptible isolates were found to be of four major serotypes (serotypes 6B, 14, 19F, and 23F). Seven amino acid alterations in the pe...

journal_title：Antimicrobial agents and chemotherapy

authors： Chiu CH,Su LH,Huang YC,Lai JC,Chen HL,Wu TL,Lin TY

更新日期：2007-09-01 00:00:00

abstract：:The occurrence and diversity of vancomycin-resistant Enterococcus faecium (VREF) were investigated in 100 Danish broiler flocks 15 years after the avoparcin ban. VREF occurred in 47 flocks at low fecal concentrations detectable only by selective enrichment. Vancomycin resistance was prevalently associated with a trans...

journal_title：Antimicrobial agents and chemotherapy

authors： Bortolaia V,Mander M,Jensen LB,Olsen JE,Guardabassi L

更新日期：2015-05-01 00:00:00

abstract：:We studied the efficacy of pentamidine (PNT) as prophylaxis or early treatment in acute pulmonary fusariosis in neutropenic mice. PNT-preexposed mice had significantly improved survival and reduced fungal burden compared to amphotericin B-preexposed and untreated mice. PNT-treated mice had increased survival but no di...

journal_title：Antimicrobial agents and chemotherapy

authors： Lionakis MS,Chamilos G,Lewis RE,Wiederhold NP,Raad II,Samonis G,Kontoyiannis DP

更新日期：2006-01-01 00:00:00

abstract：:Pharmacological studies of netilmicin were conducted in 30 cancer patients. After intravenous administration of 50 mg of netilmicin or gentamicin per m(2) over a 1-h period in 10 patients, the mean peak serum concentrations occurred at the end of the infusion and were 7.6 and 7.3 mug/ml, respectively. At 6 h, the mean...

journal_title：Antimicrobial agents and chemotherapy

authors： Yap BS,Stewart D,Bodey GP

更新日期：1977-12-01 00:00:00

abstract：:A survey carried out in 2005 among members of a healthy population of children living in Bolivia and Peru revealed that fecal carriage of Escherichia coli strains resistant to expanded-spectrum cephalosporins was remarkably increased compared to that observed in the same settings in 2002 (1.7% in 2005 versus 0.1% in 2...

journal_title：Antimicrobial agents and chemotherapy

authors： Pallecchi L,Bartoloni A,Fiorelli C,Mantella A,Di Maggio T,Gamboa H,Gotuzzo E,Kronvall G,Paradisi F,Rossolini GM

更新日期：2007-08-01 00:00:00

abstract：:Development of anthrax countermeasures that may be used concomitantly in a postexposure setting requires an understanding of the interaction between these products. Anthrax immune globulin intravenous (AIGIV) is a candidate immunotherapeutic that contains neutralizing antibodies against protective antigen (PA), a comp...

journal_title：Antimicrobial agents and chemotherapy

authors： Malkevich NV,Basu S,Rudge TL Jr,Clement KH,Chakrabarti AC,Aimes RT,Nabors GS,Skiadopoulos MH,Ionin B

更新日期：2013-11-01 00:00:00

abstract：:The influence of various test meals and fluid volumes on the relative bioavailability of commercial formulations of doxycycline hyclate and tetracycline hydrochloride was studied in healthy human volunteers. Serum levels of tetracycline were uniformly reduced by approximately 50% by all test meals, whereas serum level...

journal_title：Antimicrobial agents and chemotherapy

authors： Welling PG,Koch PA,Lau CC,Craig WA

更新日期：1977-03-01 00:00:00

abstract：:Antibiotic treatment of lung infections may lead to the emergence of resistance in the gut flora. Appropriate dosing regimens could mitigate this adverse effect. In gnotobiotic rats harboring intestinal Escherichia coli and Enterococcus faecium populations, a lung infection by Klebsiella pneumoniae was instigated with...

journal_title：Antimicrobial agents and chemotherapy

authors： Kesteman AS,Perrin-Guyomard A,Laurentie M,Sanders P,Toutain PL,Bousquet-Mélou A

更新日期：2010-07-01 00:00:00

abstract：:Artemisinins are peroxidic antimalarial drugs known to be very potent but highly chemically unstable; they degrade in the presence of ferrous iron, Fe(II)-heme, or biological reductants. Less documented is how this translates into chemical stability and antimalarial activity across a range of conditions applying to in...

journal_title：Antimicrobial agents and chemotherapy

authors： Parapini S,Olliaro P,Navaratnam V,Taramelli D,Basilico N

更新日期：2015-07-01 00:00:00

abstract：:The in vitro activity of PD 127,391, a dihalogenated quinolone, was compared with those of ofloxacin, ciprofloxacin, nalidixic acid, gentamicin, and cefuroxime against 525 recent isolates and well-characterized antimicrobial agent-resistant strains. The MICs of PD 127,391 against 90% of members of the family Enterobac...

journal_title：Antimicrobial agents and chemotherapy

authors： Wise R,Ashby JP,Andrews JM

更新日期：1988-08-01 00:00:00

abstract：:GV129606 is a new parenteral trinem antibiotic belonging to the beta-lactam class. It combines broad-spectrum activity (against gram-negative and -positive bacteria, aerobes and anaerobes), with high potency and resistance to beta-lactamases. Comparative in vitro and in vivo antibacterial activities were determined fo...

journal_title：Antimicrobial agents and chemotherapy

authors： Di Modugno E,Broggio R,Erbetti I,Lowther J

更新日期：1997-12-01 00:00:00

abstract：:Meropenem is a broad-spectrum carbapenem antibacterial agent. In order to optimize levels in plasma relative to the MICs, the ideal dose level and dosage regimen need to be determined. The pharmacokinetics of meropenem were studied in two groups, each comprising eight healthy volunteers who received the following dose...

journal_title：Antimicrobial agents and chemotherapy

authors： Krueger WA,Bulitta J,Kinzig-Schippers M,Landersdorfer C,Holzgrabe U,Naber KG,Drusano GL,Sörgel F

更新日期：2005-05-01 00:00:00

abstract：:The effects of trifluorothymidine (5-trifluoromethyl-2'-deoxyuridine, F3dThd) on the replication of three mouse cell lines, LM929, Ltk- (and LM929 derivative devoid of cytosolic deoxythymidine [dThd] kinase activity), and Ltk- c139 (a Ltk- derivative which expresses herpes simplex virus type 1-specified dThd kinase su...

journal_title：Antimicrobial agents and chemotherapy

authors： Wigdahl BL,Parkhurst JR

更新日期：1981-05-01 00:00:00