Effect of transcriptional activators SoxS, RobA, and RamA on expression of multidrug efflux pump AcrAB-TolC in Enterobacter cloacae.

abstract：:β-Lactam resistance levels vary among methicillin-resistant Staphylococcus aureus (MRSA) clinical isolates, mediated by chromosomal mutations and exogenous resistance gene mecA However, MRSA resistance mechanisms are incompletely understood. A P440L mutation in the RNA polymerase β' subunit (RpoC) in slow-vancomycin-i...

journal_title：Antimicrobial agents and chemotherapy

authors： Matsuo M,Yamamoto N,Hishinuma T,Hiramatsu K

更新日期：2019-01-29 00:00:00

abstract：:Gatifloxacin is an 8-methoxy fluoroquinolone effective against a broad spectrum of pathogens common in pediatric infections. The safety and pharmacokinetics of a single dose of gatifloxacin were studied in pediatric patients from 6 months to 16 years of age. Seventy-six pediatric patients (average age, 6.7 +/- 5.0 yea...

journal_title：Antimicrobial agents and chemotherapy

authors： Capparelli EV,Reed MD,Bradley JS,Kearns GL,Jacobs RF,Damle BD,Blumer JL,Grasela DM

更新日期：2005-03-01 00:00:00

abstract：:Concentration-QTc modeling was applied to pretomanid, a new nitroimidazooxazine antituberculosis drug. Data came from eight phase 2 and phase 3 studies. Besides pretomanid alone, various combinations with bedaquiline, linezolid, moxifloxacin, and pyrazinamide were considered; special attention was given to the bedaqui...

journal_title：Antimicrobial agents and chemotherapy

authors： Li H,Salinger DH,Everitt D,Li M,Del Parigi A,Mendel C,Nedelman JR

更新日期：2019-09-23 00:00:00

abstract：:Atazanavir (Reyataz; ATV) is a well-tolerated protease inhibitor (PI) that is indicated as a once-daily treatment for HIV infections. These features of ATV, combined with its virologic potency, make it particularly desirable for the treatment of HIV-infected pediatric patients. The objective of this study was to use a...

journal_title：Antimicrobial agents and chemotherapy

authors： Hong Y,Kowalski KG,Zhang J,Zhu L,Horga M,Bertz R,Pfister M,Roy A

更新日期：2011-12-01 00:00:00

abstract：:Streptococcus pneumoniae, a major cause of human disease, produces a 17-mer autoinducer peptide pheromone (competence-stimulating peptide [CSP]) for the control of competence for genetic transformation. Due to previous work linking CSP to stress phenotypes, we set up an in vivo sepsis model to assay its effect on viru...

journal_title：Antimicrobial agents and chemotherapy

authors： Oggioni MR,Iannelli F,Ricci S,Chiavolini D,Parigi R,Trappetti C,Claverys JP,Pozzi G

更新日期：2004-12-01 00:00:00

abstract：:ColE1 plasmids are small mobilizable replicons that play an important role in the spread of antibiotic resistance in Pasteurellaceae In this study, we describe how a natural single nucleotide polymorphism (SNP) near the origin of replication of the ColE1-type plasmid pB1000 found in a Pasteurella multocida clinical is...

journal_title：Antimicrobial agents and chemotherapy

authors： Santos-Lopez A,Bernabe-Balas C,Ares-Arroyo M,Ortega-Huedo R,Hoefer A,San Millan A,Gonzalez-Zorn B

更新日期：2017-01-24 00:00:00

abstract：:Toxoplasma gondii and Cryptosporidium parvum, members of the phylum Apicomplexa, are significant pathogens of both humans and animals worldwide for which new and effective therapeutics are needed. Here we describe the activity of the antibiotic boromycin against Toxoplasma and Cryptosporidium Boromycin potently inhibi...

journal_title：Antimicrobial agents and chemotherapy

authors： Abenoja J,Cotto-Rosario A,O'Connor R

更新日期：2021-01-19 00:00:00

abstract：:The antibiotic cerulenin markedly inhibits the growth of Escherichia coli. The effects of the antibiotic on cellular syntheses were studied by measuring the incorporation of labeled precursors into lipids and macromolecules. During the first 40 min after the addition of cerulenin to a culture of growing cells, lipid s...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldberg I,Walker JR,Bloch K

更新日期：1973-05-01 00:00:00

abstract：:Because of the widespread occurrence of resistance to sulfonamides among Enterobacteriaceae, some researchers have suggested using trimethoprim (TMP) alone instead of the combination sulfamethoxazole-trimethoprim (SMX-TMP) in treating infections with TMP-susceptible organisms. To answer whether SMX-TMP suppresses the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Guerrant RL,Wood SJ,Krongaard L,Reid RA,Hodge RH

更新日期：1981-01-01 00:00:00

abstract：:The activity of NXL103 against 108 strains of Haemophilus influenzae was tested using Haemophilus test media (HTM) obtained from various sources. With the exception of those obtained with stored HTM, MICs did not differ significantly, with MIC(50) and MIC(90) values of 0.5 and 0.5 to 1 microg/ml, respectively, in each...

journal_title：Antimicrobial agents and chemotherapy

authors： Pankuch GA,Hoellman D,Bryskier A,Lowther J,Appelbaum PC

更新日期：2006-11-01 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：:A few international pneumococcal clones dominate the population of antibiotic-resistant pneumococci. Despite the scientific paradigm that a loss in fitness is the price for acquisition of resistance, these clones spread successfully. One hundred fifty-four isolates from adult patients with community-acquired pneumonia...

journal_title：Antimicrobial agents and chemotherapy

authors： Rudolf D,Michaylov N,van der Linden M,Hoy L,Klugman KP,Welte T,Pletz MW,CAPNETZ Study Group.

更新日期：2011-10-01 00:00:00

abstract：:Weak T-cell reactivity to hepatitis B virus (HBV) is thought to be the dominant cause for chronic HBV infection. Treatment with adefovir dipivoxil (ADV) increases the rate of HBV e antigen (HBeAg) loss; however, the immune mechanisms associated with this treatment response are not understood. Serial analysis of HBV-sp...

journal_title：Antimicrobial agents and chemotherapy

authors： Cooksley H,Chokshi S,Maayan Y,Wedemeyer H,Andreone P,Gilson R,Warnes T,Paganin S,Zoulim F,Frederick D,Neumann AU,Brosgart CL,Naoumov NV

更新日期：2008-01-01 00:00:00

abstract：:The influence of reduced susceptibilities to glycopeptides on the activities of vancomycin and teicoplanin against an isogenic pair of clinical Staphylococcus aureus strains in experimental endocarditis was investigated. While vancomycin was similarly active against both strains, teicoplanin was approximately 100-fold...

journal_title：Antimicrobial agents and chemotherapy

authors： Pavie J,Lefort A,Ploy MC,Massias L,Chau F,Garry L,Denis F,Fantin B

更新日期：2003-06-01 00:00:00

abstract：:Helicobacter pylori is a major etiological agent in gastroduodenal disorders. The adhesion of H. pylori to human gastric epithelial cells is the initial step of H. pylori infection. Inhibition of H. pylori adhesion is thus a therapeutic target in the prevention of H. pylori infection. Experiments were performed to eva...

journal_title：Antimicrobial agents and chemotherapy

authors： Hayashi S,Sugiyama T,Amano K,Isogai H,Isogai E,Aihara M,Kikuchi M,Asaka M,Yokota K,Oguma K,Fujii N,Hirai Y

更新日期：1998-08-01 00:00:00

abstract：:Few oral antibiotics exist for the empirical treatment of extended-spectrum β-lactamase (ESBL) urinary tract infections (UTI). In this study, we sought to determine the activity of fosfomycin against ESBL-producing uropathogens from patients at 3 Veterans Affairs (VA) facilities between 2010 and 2013. Among the ESBL u...

journal_title：Antimicrobial agents and chemotherapy

authors： Linsenmeyer K,Strymish J,Weir S,Berg G,Brecher S,Gupta K

更新日期：2015-11-23 00:00:00

abstract：:Sordarin derivatives constitute a new group of synthetic antifungal agents that selectively inhibit fungal protein synthesis. They have demonstrated in vitro activity against the most important fungal pathogens, both yeast and filamentous. This new family of compounds has also shown in vivo activity against murine Can...

journal_title：Antimicrobial agents and chemotherapy

authors： Aviles P,Pateman A,San Roman R,Guillén MJ,Gómez De Las Heras F,Gargallo-Viola D

更新日期：2001-10-01 00:00:00

abstract：:The epileptogenic activity of imipenem was investigated in rats with experimental renal failure induced by uranyl nitrate injection by using electroencephalogram (EEG) recording and a pharmacokinetic-pharmacodynamic model including an effect compartment. Results previously obtained with healthy rats were used to estim...

journal_title：Antimicrobial agents and chemotherapy

authors： Dupuis A,Limosin A,Paquereau J,Mimoz O,Couet W,Bouquet S

更新日期：2001-12-01 00:00:00

abstract：:A structurally diverse library of 93 lipophilic di- and tricyclic diaminopyrimidine derivatives was tested for the ability to inhibit recombinant dihydrofolate reductase (DHFR) cloned from human and bovine isolates of Cryptosporidium parvum (J. R. Vásquez et al., Mol. Biochem. Parasitol. 79:153-165, 1996). In parallel...

journal_title：Antimicrobial agents and chemotherapy

authors： Nelson RG,Rosowsky A

更新日期：2001-12-01 00:00:00

abstract：:Increased expression of chromosomal genes for resistance-nodulation-cell division (RND)-type efflux systems plays a major role in the multidrug resistance (MDR) of Acinetobacter baumannii. However, the relative contributions of the three most prevalent pumps, AdeABC, AdeFGH, and AdeIJK, have not been evaluated in clin...

journal_title：Antimicrobial agents and chemotherapy

authors： Yoon EJ,Courvalin P,Grillot-Courvalin C

更新日期：2013-07-01 00:00:00

abstract：:Many Pseudomonas aeruginosa isolates from the airways of patients with cystic fibrosis (CF) are sensitive to antibiotics in susceptibility testing, but eradication of the infection is difficult. The main reason is the biofilm formation in the airways of patients with CF. The pharmacokinetics (PKs) and pharmacodynamics...

journal_title：Antimicrobial agents and chemotherapy

authors： Hengzhuang W,Wu H,Ciofu O,Song Z,Høiby N

更新日期：2012-05-01 00:00:00

abstract：:The antimicrobial activities of BMY-28142, cefbuperazone (BMY-25182; formerly T-1982), and cefpiramide (WY-44635; formerly SM-1652) were compared with those of cefmenoxime, cefoperazone, cefotaxime, ceftizoxime, and moxalactam. BMY-28142 was the most active cephalosporin against the majority of aerobic and facultative...

journal_title：Antimicrobial agents and chemotherapy

authors： Khan NJ,Bihl JA,Schell RF,LeFrock JL,Weber SJ

更新日期：1984-10-01 00:00:00

abstract：:Targeted antisense and gene replacement mutagenesis experiments demonstrate that only the murA1 gene and not the murA2 gene is required for the normal cellular growth of Bacillus anthracis. Antisense-based modulation of murA1 gene expression hypersensitizes cells to the MurA-specific antibiotic fosfomycin despite the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kedar GC,Brown-Driver V,Reyes DR,Hilgers MT,Stidham MA,Shaw KJ,Finn J,Haselbeck RJ

更新日期：2008-06-01 00:00:00

abstract：:The in vitro activity of UK31214, a kanamycin B derivative, was studied against 250 recent isolates and compared with other aminoglycosides. Against the Enterobacteriaceae (with the exception of Proteus mirabilis and Providencia stuartii) UK31214 and amikacin had similar degrees of activity (mode minimum inhibitory co...

journal_title：Antimicrobial agents and chemotherapy

authors： Wise R,Andrews JM,Bedford KA

更新日期：1980-03-01 00:00:00

abstract：:Group B beta-hemolytic streptococci (GB-BHS) frequently cause severe infection in newborns. Previous in vitro studies showed accelerated killing of GB-BHS by ampicillin plus gentamicin as compared with ampicillin alone. To extend the in vitro observations, mice were infected experimentally with GB-BHS and treated with...

journal_title：Antimicrobial agents and chemotherapy

authors： Deveikis A,Schauf V,Mizen M,Riff L

更新日期：1977-05-01 00:00:00

abstract：:BO-2727, a new 1-beta-methyl-carbapenem, was active at concentrations of 6.25 micrograms/ml or less against gram-positive and gram-negative bacteria, including some imipenem- and/or meropenem-resistant (MICs, > or = 12.5 micrograms/ml) Pseudomonas aeruginosa strains, against which it proved generally fourfold more act...

journal_title：Antimicrobial agents and chemotherapy

authors： Nakagawa S,Hashizume T,Matsuda K,Sanada M,Okamoto O,Fukatsu H,Tanaka N

更新日期：1993-12-01 00:00:00

abstract：:A total of 4,226 Spanish clinical isolates of Candida spp. were analyzed to assess resistance to voriconazole according to breakpoints established by the European Committee for Antimicrobial Susceptibility Testing (where susceptibility [S] to voriconazole corresponds to a MIC of ≤ 0.12 mg/liter). Resistance was uncomm...

journal_title：Antimicrobial agents and chemotherapy

authors： Cuenca-Estrella M,Gomez-Lopez A,Cuesta I,Zaragoza O,Mellado E,Rodriguez-Tudela JL,Antifungal Subcommittee of European Committee on Antimicrobial Susceptibility Testing.

更新日期：2011-04-01 00:00:00

abstract：:Defensins are small cationic bactericidal peptides present abundantly in the granules of polymorphonuclear neutrophils (PMNs). Human PMNs contain four defensins termed HNP-1 to HNP-4. We used a new assay system in agar plates, the radial diffusion assay, to evaluate the effects of human defensins against gram-positive...

journal_title：Antimicrobial agents and chemotherapy

authors： Takemura H,Kaku M,Kohno S,Hirakata Y,Tanaka H,Yoshida R,Tomono K,Koga H,Wada A,Hirayama T,Kamihira S

更新日期：1996-10-01 00:00:00

abstract：:The activity of nalidixic acid combined with each of 10 other antimicrobial agents on 95 strains of Enterobacteriaceae was studied. Synergism was found less often than antagonism, and the commonest outcome was indifference. Combinations of nalidixic acid with kanamycin, gentamicin, or colistin were more often synergis...

journal_title：Antimicrobial agents and chemotherapy

authors： Michel J,Luboshitzky R,Sacks T

更新日期：1973-09-01 00:00:00

abstract：:A series of 1-cyclopropyl-8-methoxy-quinazoline-2,4-diones was synthesized and evaluated for lowering the ratio of the antimicrobial MIC in gyrase resistance mutants to that in the gyr(+) (wild type) using isogenic strains of Escherichia coli. Dione features that lowered this ratio were a 3-amino group and C-7 ring st...

journal_title：Antimicrobial agents and chemotherapy

authors： German N,Malik M,Rosen JD,Drlica K,Kerns RJ

更新日期：2008-11-01 00:00:00