Decreased permeation of cephalosporins through the outer membrane of Escherichia coli grown in salicylates.

abstract：:The two components of virginiamycin, virginiamycin M (VM) and virginiamycin S (VS), were used to explore the life cycle of symbiosis-dependent and -independent strains of Bdellovibrio bacteriovorus during multiplication in a two-membered system with either living or heat-inactivated Escherichia coli or in axenic cultu...

journal_title：Antimicrobial agents and chemotherapy

authors： Varon M,Cocito C,Seijffers J

更新日期：1976-01-01 00:00:00

abstract：:Analysis of the transport functions of individual Candida albicans plasma membrane drug efflux pumps is hampered by the multitude of endogenous transporters. We have stably expressed C. albicans Cdr1p, the major pump implicated in multiple-drug-resistance phenotypes, from the genomic PDR5 locus in a Saccharomyces cere...

journal_title：Antimicrobial agents and chemotherapy

authors： Nakamura K,Niimi M,Niimi K,Holmes AR,Yates JE,Decottignies A,Monk BC,Goffeau A,Cannon RD

更新日期：2001-12-01 00:00:00

abstract：:Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae have emerged as major nosocomial pathogens. bla(KPC), commonly located on Tn4401, is found in Gram-negative bacterial strains, with the two most common variants, bla(KPC-2) and bla(KPC-3), identified in plasmids with diverse genetic backgrounds. In...

journal_title：Antimicrobial agents and chemotherapy

authors： Chen L,Chavda KD,Fraimow HS,Mediavilla JR,Melano RG,Jacobs MR,Bonomo RA,Kreiswirth BN

更新日期：2013-01-01 00:00:00

abstract：:Microsporidians of the genus Encephalitozoon are an important cause of disease in immunocompromised patients, and there are currently no completely effective treatments. The present study investigated the viability and infectivity of spores of Encephalitozoon cuniculi that had been exposed to resveratrol (RESV), a nat...

journal_title：Antimicrobial agents and chemotherapy

authors： Leiro J,Cano E,Ubeira FM,Orallo F,Sanmartín ML

更新日期：2004-07-01 00:00:00

abstract：:High-throughput screening of transposon insertion libraries is a useful strategy for unveiling bacterial genes whose inactivation results in an altered susceptibility to antibiotics. A potential drawback of these studies is they are usually based on just one model antibiotic for each structural family, under the assum...

journal_title：Antimicrobial agents and chemotherapy

authors： Sanz-García F,Alvarez-Ortega C,Olivares-Pacheco J,Blanco P,Martínez JL,Hernando-Amado S

更新日期：2019-04-25 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：:An unusual In0-like class 1 integron containing a common region that includes the putative recombinase gene named orf513 (CR1) and bla(CTX-M-2) was characterized from Escherichia coli. The integron contained an unusual gene cassette array, estX-aadA1, embedded between the 5'-conserved segment (5'-CS) and 3'-CS1 region...

journal_title：Antimicrobial agents and chemotherapy

authors： Valverde A,Cantón R,Galán JC,Nordmann P,Baquero F,Coque TM

更新日期：2006-02-01 00:00:00

abstract：:Clostridium difficile causes antibiotic-associated diarrhea and is a major public health concern. Current therapies disrupt the protective intestinal flora, do not reliably prevent recurrent infections, and will be decreasingly effective should less susceptible strains emerge. CRS3123 is an oral agent that inhibits ba...

journal_title：Antimicrobial agents and chemotherapy

authors： Nayak SU,Griffiss JM,Blumer J,O'Riordan MA,Gray W,McKenzie R,Jurao RA,An AT,Le M,Bell SJ,Ochsner UA,Jarvis TC,Janjic N,Zenilman JM

更新日期：2017-07-25 00:00:00

abstract：:Here, we report the isolation of 31 Acinetobacter baumannii strains producing OXA-253 in a single large Brazilian city. These strains belonged to five different sequence types (STs), including 4 STs not previously associated with blaOXA-253 In all strains, the blaOXA-253 gene was located in a plasmid within a genetic ...

journal_title：Antimicrobial agents and chemotherapy

authors： de Sá Cavalcanti FL,Mendes-Marques CL,Vasconcelos CR,de Lima Campos T,Rezende AM,Xavier DE,Leal NC,de-Melo-Neto OP,de Morais MM,Leal-Balbino TC

更新日期：2016-12-27 00:00:00

abstract：:Human cytomegalovirus (HCMV) infection is usually benign in healthy individuals but can cause life-threatening disease in those with compromised immune systems. Approved drugs available to treat HCMV disease, including ganciclovir, cidofovir, and foscarnet, have significant toxicities that limit their use in certain p...

journal_title：Antimicrobial agents and chemotherapy

authors： Patel HD,Nikitin P,Gesner T,Lin JJ,Barkan DT,Ciferri C,Carfi A,Akbarnejad Yazdi T,Skewes-Cox P,Wiedmann B,Jarousse N,Zhong W,Feire A,Hebner CM

更新日期：2016-07-22 00:00:00

abstract：:Macrolactin A (MA) and 7-O-succinyl macrolactin A (SMA), polyene macrolides containing a 24-membered lactone ring, show antibiotic effects superior to those of teicoplanin against vancomycin-resistant enterococci and methicillin-resistant Staphylococcus aureus. MA and SMA are currently being evaluated as antitumor age...

journal_title：Antimicrobial agents and chemotherapy

authors： Bae SH,Kwon MJ,Park JB,Kim D,Kim DH,Kang JS,Kim CG,Oh E,Bae SK

更新日期：2014-09-01 00:00:00

abstract：:The minimal inhibitory concentration of temocillin (BRL 17421) against 476 clinical isolates was determined by an agar dilution method. Temocillin was active against most of the Enterobacteriaceae, Haemophilus, and Neisseria strains tested. The compound showed low activity or was inactive against Bacteroides, Campylob...

journal_title：Antimicrobial agents and chemotherapy

authors： Van Landuyt HW,Pyckavet M,Lambert A,Boelaert J

更新日期：1982-10-01 00:00:00

abstract：:Chronic periodontitis is one of the most prevalent human diseases and is caused by dysbiosis of the subgingival microbiota. Treatment involves primarily mechanical disruption of subgingival biofilms and, in certain cases, adjunctive use of systemic antibiotic therapy. In vitro biofilm models have been developed to stu...

journal_title：Antimicrobial agents and chemotherapy

authors： Soares GM,Teles F,Starr JR,Feres M,Patel M,Martin L,Teles R

更新日期：2015-05-01 00:00:00

abstract：:Hypermutable Pseudomonas aeruginosa strains are prevalent in patients with cystic fibrosis and rapidly become resistant to antibiotic monotherapies. Combination dosage regimens have not been optimized against such strains using mechanism-based modeling (MBM) and the hollow-fiber infection model (HFIM). The PAO1 wild-t...

journal_title：Antimicrobial agents and chemotherapy

authors： Landersdorfer CB,Rees VE,Yadav R,Rogers KE,Kim TH,Bergen PJ,Cheah SE,Boyce JD,Peleg AY,Oliver A,Shin BS,Nation RL,Bulitta JB

更新日期：2018-03-27 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：:Against 307 pneumococci of various resistotypes, dalbavancin MICs were 0.008 to 0.125 microg/ml. All strains were susceptible to vancomycin, teicoplanin, linezolid, and quinupristin-dalfopristin. Dalbavancin at 2x MIC was bactericidal against all 10 pneumococci tested after 24 h. Vancomycin and teicoplanin killed 10 a...

journal_title：Antimicrobial agents and chemotherapy

authors： Lin G,Smith K,Ednie LM,Appelbaum PC

更新日期：2005-12-01 00:00:00

abstract：:Stenotrophomonas maltophilia is an opportunistic pathogen with increasing prevalence, which is able to cause infections in immunocompromised patients or in those with a previous pathology. The treatment of the infections caused by this bacterium is often complicated due to the several intrinsic antibiotic resistance m...

journal_title：Antimicrobial agents and chemotherapy

authors： Blanco P,Corona F,Sánchez MB,Martínez JL

更新日期：2017-04-24 00:00:00

abstract：:The effects of 6-amino-2-n-pentylthiobenzothiazole (APB), a new antifungal agent, on ergosterol biosynthesis in Candida albicans and Saccharomyces cerevisiae were studied, using [14C]acetate incorporation. In C. albicans, the inhibition of growth was accompanied by a marked inhibition of acetate incorporation in 4-des...

journal_title：Antimicrobial agents and chemotherapy

authors： Kuchta T,Léka C,Farkas P,Bujdáková H,Belajová E,Russell NJ

更新日期：1995-07-01 00:00:00

abstract：:A double-site enzyme-linked lactate dehydrogenase enzyme immunodetection assay was tested against field isolates of Plasmodium falciparum for assessing in vitro drug susceptibilities to a wide range of antimalarial drugs. Its sensitivity allowed the use of parasite densities as low as 200 parasites/microl of blood. Be...

journal_title：Antimicrobial agents and chemotherapy

authors： Brockman A,Singlam S,Phiaphun L,Looareesuwan S,White NJ,Nosten F

更新日期：2004-04-01 00:00:00

abstract：:The pharmacokinetics of oral and intravenous ofloxacin (7.5 mg.kg of body weight-1 given over 30 min) were studied in an open crossover study of 17 Vietnamese children, aged between 5 and 14 years, with acute uncomplicated typhoid fever. Following oral administration, the median (95% confidence interval [CI]) time to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bethell DB,Day NP,Dung NM,McMullin C,Loan HT,Tam DT,Minh LT,Linh NT,Dung NQ,Vinh H,MacGowan AP,White LO,White NJ

更新日期：1996-09-01 00:00:00

abstract：:Accurate assessment of the risk factors for colonization with vancomycin-resistant enterococci (VRE) among high-risk patients is often confounded by nosocomial VRE transmission. We undertook a 15-month prospective cohort study of adults admitted to high-risk units (hematology, renal, transplant, and intensive care) in...

journal_title：Antimicrobial agents and chemotherapy

authors： Padiglione AA,Wolfe R,Grabsch EA,Olden D,Pearson S,Franklin C,Spelman D,Mayall B,Johnson PD,Grayson ML

更新日期：2003-08-01 00:00:00

abstract：:Monte Carlo simulation (MCS) of antimicrobial dosage regimens during drug development to derive predicted target attainment values is frequently used to choose the optimal dose for the treatment of patients in phase 2 and 3 studies. A criticism is that pharmacokinetic (PK) parameter estimates and variability in health...

journal_title：Antimicrobial agents and chemotherapy

authors： Muller AE,Schmitt-Hoffmann AH,Punt N,Mouton JW

更新日期：2013-05-01 00:00:00

abstract：:A model of orogastric candidosis in SCID mice, which mimics disease seen in AIDS patients, was used to evaluate ravuconazole in comparison with fluconazole for treatment. Mice were infected orally with Candida albicans and received either no treatment or oral treatment once daily for 12 days with 1, 5, or 25 mg of rav...

journal_title：Antimicrobial agents and chemotherapy

authors： Clemons KV,Stevens DA

更新日期：2001-12-01 00:00:00

abstract：:Previous studies on tetracycline transport into Staphylococcus aureus identified a high-affinity, saturable uptake system for the antibiotic (Km, 4.76 microM) (B.L. Hutchings, Biochim. Biophys. Acta 174:734-738, 1969). However, the earlier results could not be confirmed using conditions that permitted energy-dependent...

journal_title：Antimicrobial agents and chemotherapy

authors： Chopra I,Ismail S,Oliva B

更新日期：1991-12-01 00:00:00

abstract：:Lipids in fresh human milk do not inactivate viruses but become antiviral after storage of the milk for a few days at 4 or 23 degrees C. The appearance of antiviral activity depends on active milk lipases and correlates with the release of free fatty acids in the milk. A number of fatty acids which are normal componen...

journal_title：Antimicrobial agents and chemotherapy

authors： Thormar H,Isaacs CE,Brown HR,Barshatzky MR,Pessolano T

更新日期：1987-01-01 00:00:00

abstract：:The multiple antibiotic resistance (mar) locus in Escherichia coli consists of two divergently expressed operons (marC and marRAB), both of which contribute to the Mar phenotype. Overexpression of the marRAB operon protected E. coli against rapid cell killing by fluoroquinolones. Inactivation of the operon in mar muta...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldman JD,White DG,Levy SB

更新日期：1996-05-01 00:00:00

abstract：:The ultrastructural alterations induced in vitro by ICI 195,739, a recently developed bis-triazole derivative with potent antiproliferative effects on Trypanosoma (Schizotrypanum) cruzi, are reported. On epimastigotes, the triazole at its minimum growth-inhibitory concentration (0.1 microM) produced immediately (withi...

journal_title：Antimicrobial agents and chemotherapy

authors： Lazardi K,Urbina JA,de Souza W

更新日期：1991-04-01 00:00:00

abstract：:Toxoplasma gondii enters host cells via an active, self-driven process to fulfill its need for intracellular replication and survival. Successful host cell invasion is governed by sequential release of secretory proteins from three specialized organelles, including the micronemes, which contribute adhesive proteins ne...

journal_title：Antimicrobial agents and chemotherapy

authors： Teo CF,Zhou XW,Bogyo M,Carruthers VB

更新日期：2007-02-01 00:00:00

abstract：:A 7.7-kilobase BamHI fragment was cloned from the transconjugant of a clinical isolate of Escherichia coli containing a 120-kilobase multiresistance IncC plasmid. The recombinant plasmid conferred resistance to kanamycin, gentamicin, tobramycin, sulfamethoxazole, and trimethoprim. This clone was used to generate a ser...

journal_title：Antimicrobial agents and chemotherapy

authors： Groot Obbink DJ,Ritchie LJ,Cameron FH,Mattick JS,Ackerman VP

更新日期：1985-07-01 00:00:00

abstract：:The hepatitis C virus (HCV) replicon is a unique system for the development of a high-throughput screen (HTS), since the analysis of inhibitors requires the quantification of a decrease in a steady-state level of HCV RNA. HCV replicon replication is dependent on host cell factors, and any toxic effects may have a sign...

journal_title：Antimicrobial agents and chemotherapy

authors： O'Boyle DR 2nd,Nower PT,Lemm JA,Valera L,Sun JH,Rigat K,Colonno R,Gao M

更新日期：2005-04-01 00:00:00