Comparative antimicrobial activity of O-demethylfortimicin A, a derivative of fortimicin A.

abstract：:The pharmacokinetic (PK) properties of intravenous (i.v.) benzylpenicillin in term neonates undergoing moderate hypothermia after perinatal asphyxia were evaluated, as they have been unknown until now. A system-specific modeling approach was applied, in which our recently developed covariate model describing developme...

journal_title：Antimicrobial agents and chemotherapy

authors： Bijleveld YA,de Haan TR,van der Lee JH,Groenendaal F,Dijk PH,van Heijst A,de Jonge RCJ,Dijkman KP,van Straaten HLM,Rijken M,Zonnenberg IA,Cools F,Zecic A,Nuytemans DHGM,van Kaam AH,Mathôt RAA,PharmaCool Study Group.

更新日期：2018-03-27 00:00:00

abstract：:Campylobacter jejuni is a major zoonotic pathogen transmitted to humans via the food chain and is prevalent in chickens, a natural reservoir for this pathogenic organism. Due to the importance of macrolide antibiotics in clinical therapy of human campylobacteriosis, development of macrolide resistance in Campylobacter...

journal_title：Antimicrobial agents and chemotherapy

authors： Luangtongkum T,Shen Z,Seng VW,Sahin O,Jeon B,Liu P,Zhang Q

更新日期：2012-03-01 00:00:00

abstract：:Caspofungin acetate is an antifungal antibiotic that inhibits synthesis of 1,3-beta-D-glucan, an essential component of the fungal cell wall. While caspofungin causes cell death in yeasts and dimorphic fungi such as Candida albicans, its effect on Aspergillus fumigatus is less well understood. We used the fluorescent ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bowman JC,Hicks PS,Kurtz MB,Rosen H,Schmatz DM,Liberator PA,Douglas CM

更新日期：2002-09-01 00:00:00

abstract：:The effect of ethambutol (EMB) is primarily on polymerization steps in the biosynthesis of the arabinan component of cell wall arabinogalactan (AG) of Mycobacterium smegmatis. Inhibition of the synthesis of the arabinan of lipoarabinomannan (LAM) occurred later, and thus in the cases of AG and LAM, the polymerization ...

journal_title：Antimicrobial agents and chemotherapy

authors： Mikusová K,Slayden RA,Besra GS,Brennan PJ

更新日期：1995-11-01 00:00:00

abstract：:Increasing mobile colistin resistance, mediated by the mcr gene family, in Enterobacteriaceae has become a global concern. Among the 10 reported mcr genes, mcr-8 was first identified in Klebsiella pneumoniae, which could cause severe infections with high mortality. Information about the prevalence and genetic context ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wu B,Wang Y,Ling Z,Yu Z,Shen Z,Zhang S,Wang X

更新日期：2020-12-16 00:00:00

abstract：:The purpose of this work was to evaluate the in vitro possibilities of ampicillin-ceftriaxone combinations for 10 Enterococcus faecalis strains with high-level resistance to aminoglycosides (HLRAg) and to assess the efficacy of ampicillin plus ceftriaxone, both administered with humanlike pharmacokinetics, for the tre...

journal_title：Antimicrobial agents and chemotherapy

authors： Gavaldà J,Torres C,Tenorio C,López P,Zaragoza M,Capdevila JA,Almirante B,Ruiz F,Borrell N,Gomis X,Pigrau C,Baquero F,Pahissa A

更新日期：1999-03-01 00:00:00

abstract：:In response to the need for rapid, inexpensive, high-throughput assays for antimycobacterial drug screening, a microplate-based assay which uses Alamar blue reagent for determination of growth was evaluated. MICs of 30 antimicrobial agents against Mycobacterium tuberculosis H37Rv, M. tuberculosis H37Ra, and Mycobacter...

journal_title：Antimicrobial agents and chemotherapy

authors： Collins L,Franzblau SG

更新日期：1997-05-01 00:00:00

abstract：:The carbapenem-hydrolyzing class D β-lactamase OXA-253 was identified in an Acinetobacter baumannii clinical isolate belonging to sequence type 113 (ST113) in Brazil. OXA-253 shares 93.8% amino acid identity with OXA-143. The blaOXA-253 gene is located on a ca. 20-kb plasmid. The genetic environment of the blaOXA-253 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Girlich D,Damaceno QS,Oliveira AC,Nordmann P

更新日期：2014-05-01 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：:Sch 21420 is a new aminoglycoside synthesized from gentamicin B. Susceptibility tests with Sch 21420, amikacin, gentamicin, netilmicin, sisomicin, and tobramycin were performed on a variety of bacterial species including 44 with known mechanisms of resistance to aminoglycosides. Sch 21420 and amikacin had similar effe...

journal_title：Antimicrobial agents and chemotherapy

authors： Thornsberry C,Barry AL,Jones RN,Baker CN,Badal RE,Packer RR

更新日期：1980-08-01 00:00:00

abstract：:Enterococcus gallinarum N04-0414 (MIC for vancomycin, 256 microg/ml) harbored a vanD-type vancomycin resistance operon as well as the intrinsic vanC1 operon. The D-Ala:D-Ala ligase 2 gene (ddl2) was not present in the strain, though it is found downstream of the vanS gene from the vanC operon in E. gallinarum ATCC 495...

journal_title：Antimicrobial agents and chemotherapy

authors： Boyd DA,Miller MA,Mulvey MR

更新日期：2006-03-01 00:00:00

abstract：:A new procedure for determining the susceptibility of Treponema pallidum subsp. pallidum to antimicrobial agents was developed, utilizing a tissue culture system which promotes the in vitro multiplication of this organism. In the absence of antibiotics, T. pallidum (Nichols virulent strain) multiplied an average of 10...

journal_title：Antimicrobial agents and chemotherapy

authors： Norris SJ,Edmondson DG

更新日期：1988-01-01 00:00:00

abstract：:Mutants of attenuated Bacillus anthracis with high-level ciprofloxacin resistance were isolated using a three-step in vitro selection. Ciprofloxacin MICs were 0.5 micro g/ml for first-step mutants, which had one of two gyrA quinolone resistance-determining region (QRDR) mutations. Ciprofloxacin MICs were 8 and 16 micr...

journal_title：Antimicrobial agents and chemotherapy

authors： Price LB,Vogler A,Pearson T,Busch JD,Schupp JM,Keim P

更新日期：2003-07-01 00:00:00

abstract：:Pseudomonas aeruginosa is equipped with the Sec and Tat protein secretion systems, which translocate the xenobiotic transporter MexAB-OprM and the pathogenic factor phospholipase C (PlcH), respectively. When the signal sequence of MexA was replaced with that of PlcH, the hybrid protein was successfully expressed and r...

journal_title：Antimicrobial agents and chemotherapy

authors： Yoneyama H,Akiba K,Hori H,Ando T,Nakae T

更新日期：2010-04-01 00:00:00

abstract：:Continued research toward the development of new antifungals that act via inhibition of glycosylphosphatidylinositol (GPI) biosynthesis led to the design of E1210. In this study, we assessed the selectivity of the inhibitory activity of E1210 against Candida albicans GWT1 (Orf19.6884) protein, Aspergillus fumigatus GW...

journal_title：Antimicrobial agents and chemotherapy

authors： Watanabe NA,Miyazaki M,Horii T,Sagane K,Tsukahara K,Hata K

更新日期：2012-02-01 00:00:00

abstract：:Ninety-four patients with recurrences of genital herpes were randomized in a double-blind trial to receive topical therapy for 5 days with either alpha-2a interferon at 30 X 10(6) IU/ml or 10 X 10(6) IU/ml or placebo six times daily. No differences were noted between either interferon dose and placebo with respect to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Eron LJ,Toy C,Salsitz B,Scheer RR,Wood DL,Nadler PI

更新日期：1987-07-01 00:00:00

abstract：:The in vitro antibacterial activity of AM-1155 against a wide variety of clinical isolates was compared with those of other fluoroquinolones. The MICs of AM-1155 for 90% of Staphylococcus aureus, Streptococcus pneumoniae, and Enterococcus faecalis isolates tested were 0.10, 0.39, and 0.78 microgram/ml, respectively. T...

journal_title：Antimicrobial agents and chemotherapy

authors： Wakabayashi E,Mitsuhashi S

更新日期：1994-03-01 00:00:00

abstract：:Cytochrome aa3 concentrations in the cytoplasmic membrane of Bacillus subtilis were altered by growth conditions, and the effects on the membrane potential (delta psi) in whole cells were measured. When cytochrome aa3 was absent, the magnitude of delta psi was not diminished by comparison with the delta psi measured i...

journal_title：Antimicrobial agents and chemotherapy

authors： Arrow AS,Taber HW

更新日期：1986-01-01 00:00:00

abstract：:Intraoperative biliary cefamandole concentrations were determined in 16 patients with hepatobiliary pathology. These included seven patients with cholelithiasis, five with acute cholecystitis, two with recurrent ascending cholangitis, and two with liver abscesses. Bile collected 0.5 to 2.5 h after the last antibiotic ...

journal_title：Antimicrobial agents and chemotherapy

authors： Uwaydah M,Kantarjian H,Osseiran M,Bal'a F

更新日期：1982-12-01 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：:The resistance of Mycobacterium tuberculosis to isoniazid (INH) is largely linked to suppression of a catalase-peroxidase enzyme (KatG) that activates INH. In the absence of KatG, antioxidant protection is provided by enhanced expression of the peroxiredoxin AhpC, which is itself reduced by AhpD, a protein with low al...

journal_title：Antimicrobial agents and chemotherapy

authors： Koshkin A,Zhou XT,Kraus CN,Brenner JM,Bandyopadhyay P,Kuntz ID,Barry CE 3rd,Ortiz de Montellano PR

更新日期：2004-07-01 00:00:00

abstract：:Determinations of doxycycline 50% inhibitory concentrations (IC50) for 620 isolates from northwest Thailand were performed via the isotopic method, and the data were analyzed by the Bayesian method and distributed into two populations (mean IC50s of 13.15 μM and 31.60 μM). There was no significant difference between t...

journal_title：Antimicrobial agents and chemotherapy

authors： Gaillard T,Sriprawat K,Briolant S,Wangsing C,Wurtz N,Baragatti M,Lavina M,Pascual A,Nosten F,Pradines B

更新日期：2015-08-01 00:00:00

abstract：:Polysorbate 80 (PS80) is a nonionic surfactant and detergent that inhibits biofilm formation by Pseudomonas aeruginosa at concentrations as low as 0.001% and is well tolerated in human tissues. However, certain clinical and laboratory strains (PAO1) of P. aeruginosa are able to form biofilms in the presence of PS80. T...

journal_title：Antimicrobial agents and chemotherapy

authors： Zegans ME,Wozniak D,Griffin E,Toutain-Kidd CM,Hammond JH,Garfoot A,Lam JS

更新日期：2012-08-01 00:00:00

abstract：:High-performance liquid chromatography was used to determine the penetration of 19 antimicrobial agents into human polymorphonuclear leukocytes. The ratios of the intracellular concentration to the extracellular concentration of ampicillin, piperacillin, cefazolin, ceftizoxime, cefpimizole, and ceftazidime were all le...

journal_title：Antimicrobial agents and chemotherapy

authors： Koga H

更新日期：1987-12-01 00:00:00

abstract：:Mice infected with Plasmodium berghei served as donors of erythrocytes with a high level of parasitemia for the study of ferriprotoporphyrin IX (FP) polymerization. Six hours after treatment of these mice with 3 micromol of chloroquine per 25 g of body weight, there were significant losses of heme polymerase I (HPA I)...

journal_title：Antimicrobial agents and chemotherapy

authors： Fitch CD,Chou AC

更新日期：1997-11-01 00:00:00

abstract：:We have previously identified a target site in HIV-1 RNA that was particularly accessible to a ribozyme and a short hairpin RNA (shRNA). To design small interfering RNAs (siRNAs) targeting this site, we evaluated the effects of siRNAs with different lengths on HIV-1 production. The potency and efficacy of these siRNAs...

journal_title：Antimicrobial agents and chemotherapy

authors： Scarborough RJ,Adams KL,Daher A,Gatignol A

更新日期：2015-09-01 00:00:00

abstract：:FCE 22891 is the oral prodrug of FCE 22101, a new broad-spectrum penem. The pharmacokinetics of FCE 22891 after single-dose administration, its absolute bioavailability, and the effect of food intake on its absorption were investigated in three different randomized crossover studies in healthy volunteers. Drug levels ...

journal_title：Antimicrobial agents and chemotherapy

authors： Saathoff A,Lode H,Hampel B,Deppermann KM,Borner K,Koeppe P

更新日期：1990-06-01 00:00:00

abstract：:A hemoglobin-supplemented medium composed of Columbia agar base supplemented with 1% hemoglobin and 1% Polyvitex was used to investigate the in vitro activity of 29 antimicrobial agents against Capnocytophaga species. Clindamycin was the most active agent, with all strains being inhibited by 0.06 microgram/ml or less....

journal_title：Antimicrobial agents and chemotherapy

authors： Rummens JL,Gordts B,Van Landuyt HW

更新日期：1986-11-01 00:00:00

abstract：:Consideration of existing compounds always simplifies and shortens the long and difficult process of discovering new drugs specifically for diseases of developing countries, an approach that may add to the significant potential cost savings. This study focused on improving the biological characteristics of the already...

journal_title：Antimicrobial agents and chemotherapy

authors： El-Feky GS,Mohamed WS,Nasr HE,El-Lakkany NM,Seif El-Din SH,Botros SS

更新日期：2015-01-01 00:00:00

abstract：:Generation of pharmacodynamic relationships in the clinical arena requires estimation of pharmacokinetic parameter values for individual patients. When the target population is severely ill, the ability to obtain traditional intensive blood sampling schedules is curtailed. Population modeling guided by optimal samplin...

journal_title：Antimicrobial agents and chemotherapy

authors： Tam VH,Preston SL,Drusano GL

更新日期：2003-09-01 00:00:00