E240V substitution increases catalytic efficiency toward ceftazidime in a new natural TEM-type extended-spectrum beta-lactamase, TEM-149, from Enterobacter aerogenes and Serratia marcescens clinical isolates.

abstract：:The pharmacokinetics of a single 1-g intravenous dose of mezlocillin were examined in six functionally anephric patients undergoing hemodialysis. Hemodialysis clearance calculated by plasma extraction ratios across the dialyzer membrane and by dialysis fluid agree well, averaging 26 and 32 ml/min. Dialyzer extraction ...

journal_title：Antimicrobial agents and chemotherapy

authors： Janicke DM,Mangione A,Schultz RW,Jusko WJ

更新日期：1981-11-01 00:00:00

abstract：:Sporadic isolates of carbapenem-resistant KPC-2-producing Klebsiella pneumoniae were isolated in Tel Aviv Medical Center during 2005 and 2006, parallel to the emergence of the KPC-3-producing K. pneumoniae sequence type 258 (ST 258). We aimed to study the molecular epidemiology of these isolates and to characterize th...

journal_title：Antimicrobial agents and chemotherapy

authors： Leavitt A,Carmeli Y,Chmelnitsky I,Goren MG,Ofek I,Navon-Venezia S

更新日期：2010-07-01 00:00:00

abstract：:Mycobacterium smegmatis is a fast-growing nonpathogenic species particularly useful in studying basic cellular processes of relevance to pathogenic mycobacteria. This study focused on the D-alanine racemase gene (alrA), which is involved in the synthesis of D-alanine, a basic component of peptidoglycan that forms the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Chacon O,Feng Z,Harris NB,Cáceres NE,Adams LG,Barletta RG

更新日期：2002-01-01 00:00:00

abstract：:Malaria is the third most significant cause of infectious disease in the world. The search for new antimalarial chemotherapy has become increasingly urgent due to parasite resistance to classical drugs. Trioxaquines are synthetic hybrid molecules containing a trioxane motif (which is responsible for the antimalarial a...

journal_title：Antimicrobial agents and chemotherapy

authors： Benoit-Vical F,Lelièvre J,Berry A,Deymier C,Dechy-Cabaret O,Cazelles J,Loup C,Robert A,Magnaval JF,Meunier B

更新日期：2007-04-01 00:00:00

abstract：:The efficacy and safety of amoxicillin-clavulanic acid were compared with those of co-trimoxazole in the treatment of acute urinary tract infections. A total of 104 patients (mean age, 52 years) with clinical and laboratory evidence of acute urinary tract infection were enrolled in the study. Characteristics and infec...

journal_title：Antimicrobial agents and chemotherapy

authors： Karachalios GN

更新日期：1985-11-01 00:00:00

abstract：:Salmonella enterica serovar Typhi is an important pathogen exclusively for humans and causes typhoid or enteric fever. It has been shown that type IVB pili, encoded by the S. enterica serovar Typhi pil operon located in Salmonella pathogenicity island 7, are important in the pathogenic process. In this study, by using...

journal_title：Antimicrobial agents and chemotherapy

authors： Pan Q,Zhang XL,Wu HY,He PW,Wang F,Zhang MS,Hu JM,Xia B,Wu J

更新日期：2005-10-01 00:00:00

abstract：:The activity of four antifungal agents against 15 systemic (blood and vascular catheter) and 10 superficial (skin) Malassezia furfur isolates was evaluated. MIC ranges were similar for the two groups of organisms: amphotericin B, 0.3 to 2.5 micrograms/ml; flucytosine, greater than 100 micrograms/ml; miconazole, 0.4 to...

journal_title：Antimicrobial agents and chemotherapy

authors： Marcon MJ,Durrell DE,Powell DA,Buesching WJ

更新日期：1987-06-01 00:00:00

abstract：:A cluster of genes involved in antibiotic and heavy metal resistance has been characterized from a clinical isolate of the gram-negative bacterium Stenotrophomonas maltophilia. These genes include a macrolide phosphotransferase (mphBM) and a cadmium efflux determinant (cadA), together with the gene cadC coding for its...

journal_title：Antimicrobial agents and chemotherapy

authors： Alonso A,Sanchez P,Martínez JL

更新日期：2000-07-01 00:00:00

abstract：:Implant-associated infections (IAIs) are a dreaded complication mainly caused by biofilm-forming staphylococci. Implant surfaces preventing microbial colonization would be desirable. We examined the preventive effect of a silver-coated titanium-aluminum-niobium (TiAlNb) alloy. The surface elicited a strong, inoculum-d...

journal_title：Antimicrobial agents and chemotherapy

authors： Kuehl R,Brunetto PS,Woischnig AK,Varisco M,Rajacic Z,Vosbeck J,Terracciano L,Fromm KM,Khanna N

更新日期：2016-03-25 00:00:00

abstract：:We report on the cloning of the gene smeT, which encodes the transcriptional regulator of the Stenotrophomonas maltophilia efflux pump SmeDEF. SmeT belongs to the TetR and AcrR family of transcriptional regulators. The smeT gene is located upstream from the structural operon of the pump genes smeDEF and is divergently...

journal_title：Antimicrobial agents and chemotherapy

authors： Sánchez P,Alonso A,Martinez JL

更新日期：2002-11-01 00:00:00

abstract：:2'-beta-Fluoro-2',3'-dideoxyadenosine (F-ddA) is an acid-stable purine dideoxynucleoside analog active against a wide spectrum of human immunodeficiency virus type 1 (HIV-1) and HIV-2 strains in vitro. F-ddA is presently undergoing a phase I clinical trial at the National Cancer Institute. We induced HIV-1 variants re...

journal_title：Antimicrobial agents and chemotherapy

authors： Tanaka M,Srinivas RV,Ueno T,Kavlick MF,Hui FK,Fridland A,Driscoll JS,Mitsuya H

更新日期：1997-06-01 00:00:00

abstract：:Novel antibiotics approved by noninferiority trials may become less effective over time in two scenarios: (i) the treatment effect in studies of novel antibiotics may be consistently worse than studies of older antibiotics; (ii) when a decreasingly effective control arm is used in a series of noninferiority trials. Ou...

journal_title：Antimicrobial agents and chemotherapy

authors： Bai AD,Komorowski AS,Lo CKL,Tandon P,Li XX,Mokashi V,Cvetkovic A,Findlater A,Liang L,Loeb M,Mertz D

更新日期：2020-10-20 00:00:00

abstract：:The in vitro susceptibilities of 112 clinical isolates of Haemophilus ducreyi to six antimicrobial agents were determined. These isolates were obtained in Kigali, Rwanda, during three studies on genital ulcer disease performed in 1986 (18 isolates), 1988 (23 isolates), and 1991 (71 isolates). All H. ducreyi isolates w...

journal_title：Antimicrobial agents and chemotherapy

authors： Van Dyck E,Bogaerts J,Smet H,Tello WM,Mukantabana V,Piot P

更新日期：1994-07-01 00:00:00

abstract：:The human pathogen Giardia lamblia is an anaerobic protozoan parasite that causes giardiasis, one of the most common diarrheal diseases worldwide. Although several drugs are available for the treatment of giardiasis, drug resistance has been reported and is likely to increase, and recurrent infections are common. The ...

journal_title：Antimicrobial agents and chemotherapy

authors： Chen CZ,Kulakova L,Southall N,Marugan JJ,Galkin A,Austin CP,Herzberg O,Zheng W

更新日期：2011-02-01 00:00:00

abstract：:The small-colony-variant (SCV) phenotype of Staphylococcus aureus has been associated with difficult-to-treat infections, reduced antimicrobial susceptibility, and intracellular persistence. This study represents a detailed intra- and extracellular investigation of a clinical wild-type (WT) S. aureus strain and its co...

journal_title：Antimicrobial agents and chemotherapy

authors： Sandberg A,Lemaire S,Van Bambeke F,Tulkens PM,Hughes D,von Eiff C,Frimodt-Møller N

更新日期：2011-04-01 00:00:00

abstract：:Rifampin monotherapy was compared to the combination of linezolid or vancomycin with rifampin in an experimental rat model of methicillin-resistant Staphylococcus aureus (MRSA) chronic foreign body osteomyelitis. MRSA was inoculated into the proximal tibia, and a titanium wire was implanted. Four weeks after infection...

journal_title：Antimicrobial agents and chemotherapy

authors： Vergidis P,Rouse MS,Euba G,Karau MJ,Schmidt SM,Mandrekar JN,Steckelberg JM,Patel R

更新日期：2011-03-01 00:00:00

abstract：:R plasmids identified in Pseudomonas aeruginosa strains isolated in our laboratories were classified by their incompatibility characters by using intraspecies conjugation in P. aeruginosa. The fertility factor, FP2, was compatible with R plasmids belonging to all groups, and was classified in a new group. From these d...

journal_title：Antimicrobial agents and chemotherapy

authors： Sagai H,Hasuda K,Iyobe S,Bryan LE,Holloway BW,Mitsuhashi S

更新日期：1976-10-01 00:00:00

abstract：:Due to the widespread resistance of bacteria to the available drugs, the discovery of new classes of antibiotics is urgently needed, and naturally occurring antimicrobial peptides (AMPs) are considered promising candidates for future therapeutic use. Amphibian skin is one of the richest sources of such AMPs. In the pr...

journal_title：Antimicrobial agents and chemotherapy

authors： Mangoni ML,Maisetta G,Di Luca M,Gaddi LM,Esin S,Florio W,Brancatisano FL,Barra D,Campa M,Batoni G

更新日期：2008-01-01 00:00:00

abstract：:The CcrA beta-lactamase from Bacteroides fragilis TAL3636 was cloned into Escherichia coli and purified from inclusion bodies. This group 3 metalloenzyme hydrolyzed most beta-lactam antibiotics, including cephamycins and carbapenems. Following inhibition by chelators, enzyme activity was recovered with the cations Zn2...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang Y,Rasmussen BA,Bush K

更新日期：1992-05-01 00:00:00

abstract：:Using the techniques of gap misrepair mutagenesis and site-directed mutagenesis, we have generated two novel quinolone resistance mutations of the Escherichia coli DNA gyrase A protein. DNA sequencing showed these mutations to be Ser-83----Ala and Gln-106----Arg. The mutant proteins were overproduced and purified, and...

journal_title：Antimicrobial agents and chemotherapy

authors： Hallett P,Maxwell A

更新日期：1991-02-01 00:00:00

abstract：:Morbidity and mortality resulting from influenza-like disease are a threat, especially for older adults. To improve case management, next-generation broad-spectrum antiviral therapeutics that are efficacious against major drivers of influenza-like disease, including influenza viruses and respiratory syncytial virus (R...

journal_title：Antimicrobial agents and chemotherapy

authors： Yoon JJ,Toots M,Lee S,Lee ME,Ludeke B,Luczo JM,Ganti K,Cox RM,Sticher ZM,Edpuganti V,Mitchell DG,Lockwood MA,Kolykhalov AA,Greninger AL,Moore ML,Painter GR,Lowen AC,Tompkins SM,Fearns R,Natchus MG,Plemper RK

更新日期：2018-07-27 00:00:00

abstract：:Viridans group streptococci (VGS) are part of the normal flora that may cause bacteremia, often leading to endocarditis. We evaluated daptomycin against four clinical strains of VGS (MICs = 1 or 2 μg/ml) using an in vitro-simulated endocardial vegetation model, a simulated bacteremia model, and kill curves. Daptomycin...

journal_title：Antimicrobial agents and chemotherapy

authors： Akins RL,Katz BD,Monahan C,Alexander D

更新日期：2015-04-01 00:00:00

abstract：:The accumulation of quinolones by Escherichia coli JF568, Pseudomonas aeruginosa PAO1, and Staphylococcus aureus ATCC 29213 was measured by a modified fluorometric assay (J. S. Chapman and N. H. Georgopapadakou, Antimicrob. Agents Chemother. 33:27-29, 1989). The quinolones examined were fleroxacin, pefloxacin, norflox...

journal_title：Antimicrobial agents and chemotherapy

authors： McCaffrey C,Bertasso A,Pace J,Georgopapadakou NH

更新日期：1992-08-01 00:00:00

abstract：:Human African trypanosomiasis (HAT), a neglected tropical disease, is fatal without treatment. Pentamidine, a cationic diamidine, has been used to treat first-stage (hemolymphatic) HAT since the 1940s, but it is ineffective against second-stage (meningoencephalitic, or central nervous system [CNS]) infection. Novel di...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang S,Wenzler T,Miller PN,Wu H,Boykin DW,Brun R,Wang MZ

更新日期：2014-07-01 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：:Lethal mutagenesis is an antiviral approach that consists in extinguishing a virus by an excess of mutations acquired during replication in the presence of a mutagenic agent, often a nucleotide analogue. One of its advantages is its broad spectrum nature that renders the strategy potentially effective against emergent...

journal_title：Antimicrobial agents and chemotherapy

authors： Gallego I,Soria ME,Gregori J,de Ávila AI,García-Crespo C,Moreno E,Gadea I,Esteban J,Fernández-Roblas R,Esteban JI,Gómez J,Quer J,Domingo E,Perales C

更新日期：2019-09-30 00:00:00

abstract：:Cyclacillin, a new aminosalicylic semisynthetic penicillin, was compared with amoxicillin for the therapy of acute bacterial maxillary sinusitis in 80 patients (ages, 12 to 70 years) in a prospective, double-blind, randomized clinical trial. Direct sinus aspirations for quantitative culture were done for all patients ...

journal_title：Antimicrobial agents and chemotherapy

authors： Scheld WM,Sydnor A Jr,Farr B,Gratz JC,Gwaltney JM Jr

更新日期：1986-09-01 00:00:00

abstract：:Emergence of resistance to pentavalent antimonials has become a severe obstacle in the treatment of visceral leishmaniasis (VL) on the Indian subcontinent. The mechanisms operating in laboratory-generated strains are somewhat known, but the determinants of clinical antimony resistance are not well understood. By utili...

journal_title：Antimicrobial agents and chemotherapy

authors： Ashutosh,Garg M,Sundar S,Duncan R,Nakhasi HL,Goyal N

更新日期：2012-01-01 00:00:00

abstract：:We studied the influence of the lipid/amphotericin B (AMB) ratio and the phospholipid type on the in vitro renal cell toxicity and antifungal efficacy of lipid-associated AMB (L-AMB). L-AMB was prepared at one of two different lipid/AMB ratios (1 and 40) by incubating AMB with empty small unilamellar vesicles, made fr...

journal_title：Antimicrobial agents and chemotherapy

authors： Joly V,Bolard J,Saint-Julien L,Carbon C,Yeni P

更新日期：1992-02-01 00:00:00

abstract：:The pharmacokinetics of cidofovir (HPMPC; (S)-1-[3-hydroxy-2-(phosphonylmethoxy)propyl]cytosine) were examined at five dose levels in three phase I/II studies in a total of 42 human immunodeficiency virus-infected patients (with or without asymptomatic cytomegalovirus infection). Levels of cidofovir in serum following...

journal_title：Antimicrobial agents and chemotherapy

authors： Cundy KC,Petty BG,Flaherty J,Fisher PE,Polis MA,Wachsman M,Lietman PS,Lalezari JP,Hitchcock MJ,Jaffe HS

更新日期：1995-06-01 00:00:00