Amino acid residues essential for function of the MexF efflux pump protein of Pseudomonas aeruginosa.

abstract：:The antimicrobial efflux system encoded by the operon mef(E)-mel on the mobile genetic element MEGA in Streptococcus pneumoniae and other Gram-positive bacteria is inducible by macrolide antibiotics and antimicrobial peptides. Induction may affect the clinical response to the use of macrolides. We developed mef(E) rep...

journal_title：Antimicrobial agents and chemotherapy

authors： Chancey ST,Zhou X,Zähner D,Stephens DS

更新日期：2011-07-01 00:00:00

abstract：:Various parameters were examined for their effects on interferon production with human fibroblast cells (FS-4) grown on microcarriers, using a superinduction procedure. Optimal concentrations of cycloheximide and actinomycin D during induction were 10 micrograms/ml, respectively. Cells required 5 to 6 h of exposure to...

journal_title：Antimicrobial agents and chemotherapy

authors： Giard DJ,Fleischaker RJ

更新日期：1980-07-01 00:00:00

abstract：:Topical foscarnet (PFA) and acyclovir (ACV) were compared in the dorsal cutaneous guinea pig model of herpes simplex virus type 1 infection. The relative order of efficacy was PFA cream greater than ACV cream greater than ACV ointment. In vitro studies demonstrated that PFA and ACV formulated in cream vehicles penetra...

journal_title：Antimicrobial agents and chemotherapy

authors： Spruance SL,Freeman DJ,Sheth NV

更新日期：1986-07-01 00:00:00

abstract：:The role of inhalational combination therapy when treating carbapenem-resistant Pseudomonas aeruginosa and Klebsiella pneumoniae with newer beta-lactam/beta-lactamase inhibitors has not been established. Using a 72-h in vitro pharmacodynamic chemostat model, we simulated the human exposures achieved in epithelial lini...

journal_title：Antimicrobial agents and chemotherapy

authors： Almarzoky Abuhussain SS,Kuti JL,Nicolau DP

更新日期：2018-06-26 00:00:00

abstract：:Current therapy for toxoplasmosis with a synergistic combination of pyrimethamine plus sulfadiazine or pyrimethamine plus clindamycin is not always efficacious and is frequently discontinued due to intolerable toxic effects in immunocompromised individuals, particularly those with AIDS. Trovafloxacin, a new fluoroquin...

journal_title：Antimicrobial agents and chemotherapy

authors： Khan AA,Slifer T,Araujo FG,Polzer RJ,Remington JS

更新日期：1997-05-01 00:00:00

abstract：:Candida glabrata, the second most common cause of Candida infections, is associated with high rates of mortality and often exhibits resistance to the azole class of antifungal agents. Upc2 and Ecm22 in Saccharomyces cerevisiae and Upc2 in Candida albicans are the transcriptional regulators of ERG11, the gene encoding ...

journal_title：Antimicrobial agents and chemotherapy

authors： Whaley SG,Caudle KE,Vermitsky JP,Chadwick SG,Toner G,Barker KS,Gygax SE,Rogers PD

更新日期：2014-08-01 00:00:00

abstract：:Escherichia coli is an important pathogen that shows increasing antimicrobial resistance in isolates from both animals and humans. Our laboratory recently described Salmonella isolates from food animals and humans that expressed an identical plasmid-mediated, AmpC-like beta-lactamase, CMY-2. In the present study, 59 o...

journal_title：Antimicrobial agents and chemotherapy

authors： Winokur PL,Vonstein DL,Hoffman LJ,Uhlenhopp EK,Doern GV

更新日期：2001-10-01 00:00:00

abstract：:To identify the polymyxin receptor molecules in the membranes of living microorganisms, fusion of intact Acholeplasma laidlawii B with lipid vesicles was investigated according to the procedure of Grant and McConnell (1973). The naturally polymyxin-resistant A. laidlawii B was treated with phospholipid vesicles prepar...

journal_title：Antimicrobial agents and chemotherapy

authors： Teuber M,Bader J

更新日期：1976-01-01 00:00:00

abstract：:A novel streptogramin A, pleuromutilin, and lincosamide resistance determinant, Vga(E), was identified in porcine methicillin-resistant Staphylococcus aureus (MRSA) ST398. The vga(E) gene encoded a 524-amino-acid protein belonging to the ABC transporter family. It was found on a multidrug resistance-conferring transpo...

journal_title：Antimicrobial agents and chemotherapy

authors： Schwendener S,Perreten V

更新日期：2011-10-01 00:00:00

abstract：:Cystathionine gamma-lyase (EC 4.4.1.1) was purified from Streptomyces cattleya, an actinomycete which produces the unusual beta-lactam antibiotic thienamycin. The enzyme displays broad substrate specificity and is similar to gamma-lyases purified from other microorganisms. That the gamma-lyase functions in vivo to pro...

journal_title：Antimicrobial agents and chemotherapy

authors： Williamson JM,Meyer R,Inamine E

更新日期：1985-10-01 00:00:00

abstract：:PCR was used to amplify a 238-bp region from Helicobacter pylori which corresponded to the quinolone resistance-determining region in Escherichia coli. The gyrA gene of H. pylori was cloned and sequenced. An open reading frame of 2,478 nucleotides coded for a polypeptide of 826 amino acids with a calculated molecular ...

journal_title：Antimicrobial agents and chemotherapy

authors： Moore RA,Beckthold B,Wong S,Kureishi A,Bryan LE

更新日期：1995-01-01 00:00:00

abstract：:With the rapid spread of antimicrobial resistance in Gram-negative pathogens, biofilm-associated infections are increasingly harder to treat and combination therapy with colistin has become one of the most efficient therapeutic strategies. Our study aimed to evaluate the potential for the synergy of colistin combined ...

journal_title：Antimicrobial agents and chemotherapy

authors： Tan JH,Vidaillac C,Yam JKH,Chua SL,Givskov M,Yang L

更新日期：2017-06-27 00:00:00

abstract：:lacZ fusion strains were constructed using the promoters of five cell wall stress stimulon genes: pbp2, tcaA, vraSR, sgtB, and lytR. All fusion strains were induced only in the presence of cell wall-active antibiotics, suggesting the potential of these strains for use in high-throughput screening for new cell wall-act...

journal_title：Antimicrobial agents and chemotherapy

authors： Steidl R,Pearson S,Stephenson RE,Ledala N,Sitthisak S,Wilkinson BJ,Jayaswal RK

更新日期：2008-08-01 00:00:00

abstract：:Bactericidal activity in serum produced after administration of 1-g intravenous doses of cefoperazone, cefotaxime, ceftizoxime, and moxalactam was ascertained in six healthy subjects. The assay organisms were a strain of Staphylococcus aureus which was moderately susceptible to the drugs (MBC, 2 to 8 micrograms/ml) an...

journal_title：Antimicrobial agents and chemotherapy

authors： Barriere SL,Ozasa DC,Mordenti J

更新日期：1985-07-01 00:00:00

abstract：:The in vitro susceptibility of Brucella melitensis was examined vis-a-vis the clinical outcome in 75 patients with brucellosis. The initial MICs for Brucella isolates from patients who relapsed and from those who did not were similar. Furthermore, the MICs for isolates from patients whose infections relapsed were no d...

journal_title：Antimicrobial agents and chemotherapy

authors： Ariza J,Bosch J,Gudiol F,Liñares J,Viladrich PF,Martín R

更新日期：1986-12-01 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：:Various fluoroquinolones (norfloxacin, enoxacin, ofloxacin, levofloxacin, and sparfloxacin) induce DnaK and GroEL heat shock proteins in Escherichia coli. The induction is transient, consistent with the kinetics of cellular DNA relaxation. The concentrations of fluoroquinolones required for induction are similar to th...

journal_title：Antimicrobial agents and chemotherapy

authors： Mizushima T,Matsuo M,Sekimizu K

更新日期：1997-01-01 00:00:00

abstract：:High-dose clindamycin (CLDM) and benzylpenicillin (PCG) are the recommended chemotherapeutic remedies for toxic shock-like syndrome caused by group A streptococci. One reason for this is that it has been shown that CLDM suppresses the expression of some exoproteins, e.g., SpeB, SpeA, and streptolysin O (Slo). We analy...

journal_title：Antimicrobial agents and chemotherapy

authors： Tanaka M,Hasegawa T,Okamoto A,Torii K,Ohta M

更新日期：2005-01-01 00:00:00

abstract：:In 18 male healthy subjects, artesunate (200 mg)-azithromycin (1,500 mg) daily for 3 days was found to be well tolerated, with only mild gastrointestinal disturbances reported. The pharmacokinetic properties of artesunate-azithromycin given in combination are comparable to those of the drugs given alone. Artesunate an...

journal_title：Antimicrobial agents and chemotherapy

authors： Chinh NT,Quang NN,Anh CX,Thanh NX,Dai B,Birrell GW,Chavchich M,Edstein MD

更新日期：2011-09-01 00:00:00

abstract：:The novel ATP synthase inhibitor bedaquiline recently received accelerated approval for treatment of multidrug-resistant tuberculosis and is currently being studied as a component of novel treatment-shortening regimens for drug-susceptible and multidrug-resistant tuberculosis. In a limited number of bedaquiline-treate...

journal_title：Antimicrobial agents and chemotherapy

authors： Almeida D,Ioerger T,Tyagi S,Li SY,Mdluli K,Andries K,Grosset J,Sacchettini J,Nuermberger E

更新日期：2016-07-22 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：:After vaginal insertion of a 300-mg ovule of tioconazole in 10 patients with vaginal candidiasis, the mean concentration in plasma was 21.2 ng/ml (range, 10.6 to 35.8 ng/ml) at 8 h and was not measurable at 24 h in 9 of 10 patients. The mean vaginal concentration at 24 h was 21.4 mg/liter (range, 2.4 to 50 mg/liter) a...

journal_title：Antimicrobial agents and chemotherapy

authors： Houang ET,Lawrence AG

更新日期：1985-06-01 00:00:00

abstract：:The aim of this study was to reveal population pharmacokinetics and assess the efficacies of various dosage regimens of sulbactam in terms of the probability of target attainment with this agent over a range of MICs. Monte Carlo simulations were performed to determine the probability of attaining specific pharmacodyna...

journal_title：Antimicrobial agents and chemotherapy

authors： Jaruratanasirikul S,Wongpoowarak W,Aeinlang N,Jullangkoon M

更新日期：2013-07-01 00:00:00

abstract：:Current guidelines recommend vancomycin and linezolid as first-line agents against methicillin-resistant Staphylococcus aureus (MRSA) nosocomial pneumonia. Telavancin is a potential new therapeutic alternative, specifically in monomicrobial MRSA pneumonia. This study compared the efficacies of telavancin versus linezo...

journal_title：Antimicrobial agents and chemotherapy

authors： Battaglini D,Motos A,Li Bassi G,Yang H,Pagliara F,Yang M,Aguilera Xiol E,Meli A,Bobi J,Frigola G,Senussi T,Idone F,Travierso C,Chiurazzi C,Fernandez-Barat L,Rigol M,Ramirez J,Pelosi P,Chiumello D,Antonelli M,Nicol

更新日期：2020-12-16 00:00:00

abstract：:Forty-one patients with erythema migrans were enrolled in an open-labelled pilot study of oral clarithromycin, 500 mg twice daily for 21 days, for the treatment of early Lyme disease. Immediately posttherapy, pretreatment signs and symptoms resolved among 91% of the 33 evaluable patients. At 6 months, all 28 of the ev...

journal_title：Antimicrobial agents and chemotherapy

authors： Dattwyler RJ,Grunwaldt E,Luft BJ

更新日期：1996-02-01 00:00:00

abstract：:A new natural TEM derivative, named TEM-87, was identified in a Proteus mirabilis isolate from an Italian hospital. Compared to TEM-1, TEM-87 contains the following mutations: E104K, R164C, and M182T. Kinetic analysis of TEM-87 revealed extended-spectrum activity against oxyimino cephalosporins (preferentially ceftazi...

journal_title：Antimicrobial agents and chemotherapy

authors： Perilli M,Segatore B,De Massis MR,Franceschini N,Bianchi C,Rossolini GM,Amicosante G

更新日期：2002-03-01 00:00:00

abstract：:The 2-amino-5-halo-pyrimidinones, which are potent interferon inducers and antiviral agents, were found to be protective against lethal cytomegalovirus (CMV) challenge in weanling or neonatal mice when administered before virus challenge. This protection was dependent upon the dosage of pyrimidinone administered. Wean...

journal_title：Antimicrobial agents and chemotherapy

authors： Brideau RJ,Wolcott JA

更新日期：1985-10-01 00:00:00

abstract：:Telithromycin MICs for 13,874 Streptococcus pneumoniae isolates collected in the first 3 years of the global PROTEKT study (1999 to 2003) were studied. There was no change in the distribution of telithromycin MICs over this period, even in countries where telithromycin is in use. The telithromycin MICs for 10 isolates...

journal_title：Antimicrobial agents and chemotherapy

authors： Farrell DJ,Felmingham D

更新日期：2004-05-01 00:00:00

abstract：:Human cytomegalovirus (HCMV) infection does not generally cause problems in the immunocompetent adult but can result in severe clinical disease in the fetus, neonate, and immunocompromised host. Ganciclovir (GCV), the agent currently used to treat most HCMV infections, has resulted in much therapeutic success; however...

journal_title：Antimicrobial agents and chemotherapy

authors： Rybak RJ,Hartline CB,Qiu YL,Zemlicka J,Harden E,Marshall G,Sommadossi JP,Kern ER

更新日期：2000-06-01 00:00:00

abstract：:Cyclic tetrapyrroles are among the most potent compounds with activity against transmissible spongiform encephalopathies (TSEs; or prion diseases). Here the effects of differential sulfonation and metal binding to cyclic tetrapyrroles were investigated. Their potencies in inhibiting disease-associated protease-resista...

journal_title：Antimicrobial agents and chemotherapy

authors： Caughey WS,Priola SA,Kocisko DA,Raymond LD,Ward A,Caughey B

更新日期：2007-11-01 00:00:00