Nonnucleoside inhibitors of norovirus RNA polymerase: scaffolds for rational drug design.

abstract：:The introduction of reactive thiol groups in recombinant human tumor necrosis factor (TNF) alpha (rhTNF-alpha) by the reagent succinimidyl-S-acetylthioacetate resulted in the formation of a chemically stabilized rhTNF-alpha trimer (rhTNFalpha-AT; as determined by sodium dodecyl sulfate-polyacrylamide gel electrophores...

journal_title：Antimicrobial agents and chemotherapy

authors： Postma NS,Hermsen RC,Crommelin DJ,Eling WM,Zuidema J

更新日期：1999-05-01 00:00:00

abstract：:The activity of DX-619 was evaluated against 376 anaerobic isolates using the reference CLSI agar dilution method. Overall, 90% of the strains were susceptible to DX-619 at < or =1 microg/ml. It was more active than the other four compounds tested except for meropenem, which showed virtually identical overall activity...

journal_title：Antimicrobial agents and chemotherapy

authors： Molitoris D,Väisänen ML,Bolaños M,Finegold SM

更新日期：2006-05-01 00:00:00

abstract：:Community-acquired multidrug resistant Enterobacteriaceae (MDR-Ent) infections continue to increase in the United States. In prior studies, we identified neighboring regions in Chicago, Illinois, where children have 5 to 6 times greater odds of MDR-Ent infections. To prevent community spread of MDR-Ent, we need to ide...

journal_title：Antimicrobial agents and chemotherapy

authors： Logan LK,Zhang L,Green SJ,Dorevitch S,Arango-Argoty GA,Reme K,Garner E,Aldstadt J,Johnson-Walker YJ,Hayden MK,Weinstein RA,Pruden A

更新日期：2020-03-24 00:00:00

abstract：:We report here on a quantitative real-time reverse transcription-PCR (qRT-PCR) assay for assessing drug efficacy against the intracellular pathogen Cryptosporidium parvum. The qRT-PCR assay detects 18S rRNA transcripts from both parasites, that is, the cycle threshold for 18S rRNA from parasites (C(T)([P18S])) and hos...

journal_title：Antimicrobial agents and chemotherapy

authors： Cai X,Woods KM,Upton SJ,Zhu G

更新日期：2005-11-01 00:00:00

abstract：:Against 198 viridans group streptococci, 25 Streptococcus bovis strains, and 5 Cardiobacterium hominis strains, MICs of DX-619, a des-F(6)-quinolone, were between 0.004 and 0.25 microg/ml. These MICs were lower than those of other quinolones (< or = 0.008 to > 32 microg/ml). Beta-lactam MICs were between < or = 0.008 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kosowska-Shick K,Smith K,Bogdanovich T,Ednie LM,Jones RN,Appelbaum PC

更新日期：2006-12-01 00:00:00

abstract：:Ceftaroline-avibactam and comparator agents were tested by the broth microdilution method against 20,089 isolates consecutively collected in 2010 and 2011 from 75 U.S. medical centers. Ceftaroline-avibactam was active against Enterobacteriaceae (4,908 strains; MIC90, 0.25 μg/ml; highest MIC, 4 μg/ml), including merope...

journal_title：Antimicrobial agents and chemotherapy

authors： Sader HS,Flamm RK,Jones RN

更新日期：2013-04-01 00:00:00

abstract：:Using 98 clinical methicillin-susceptible Staphylococcus aureus isolates of known beta-lactamase (Bla) type, we found a pronounced inoculum effect for cephalexin (mostly Bla type A and C strains), a mild inoculum effect for cephalothin (especially types B and C), and no inoculum effects for ceftriaxone and cefuroxime....

journal_title：Antimicrobial agents and chemotherapy

authors： Nannini EC,Stryjewski ME,Singh KV,Rude TH,Corey GR,Fowler VG Jr,Murray BE

更新日期：2010-05-01 00:00:00

abstract：:A comparative evaluation of daptomycin and eight other antimicrobial agents was performed by the agar dilution technique with 56 strains of vancomycin-resistant gram-positive bacteria, including Leuconostoc, Lactobacillus, and Pediococcus spp. Erythromycin, deptomycin, clindamycin, and gentamicin exhibited the greates...

journal_title：Antimicrobial agents and chemotherapy

authors： de la Maza L,Ruoff KL,Ferraro MJ

更新日期：1989-08-01 00:00:00

abstract：:The hydrophobicity and charge of the cell surface of M protein-positive (M+) and the less virulent M protein-negative (M-) strains of type 12 Streptococcus pyogenes have been studied, respectively, by hydrophobic interaction chromatography and free zone electrophoresis. The M+ strain had a more hydrophobic and a more ...

journal_title：Antimicrobial agents and chemotherapy

authors： Tylewska S,Hjertén S,Wadström T

更新日期：1981-11-01 00:00:00

abstract：:In Portugal erythromycin resistance of 26.6% (n = 352) remained constant during 1998 to 2003, however in 1998 the MLS(B) phenotype dominated (85%), whereas in 2003 the M phenotype prevailed (77%). A decline in T12/emm22 MLS(B) isolates could partially explain the drop in this phenotype, but the rise of the M phenotype...

journal_title：Antimicrobial agents and chemotherapy

authors： Silva-Costa C,Ramirez M,Melo-Cristino J,Portuguese Surveillance Group for the Study of Respiratory Pathogens.

更新日期：2005-05-01 00:00:00

abstract：:A remarkably high rate of adverse events is associated with the use of trimethoprim-sulfamethoxazole in patients with human immunodeficiency virus type 1 infection. We examined the efficacies of sulfonamides alone in the prevention of Pneumocystis carinii pneumonitis, with the assumption that at least some of the adve...

journal_title：Antimicrobial agents and chemotherapy

authors： Hughes WT,Killmar J

更新日期：1996-04-01 00:00:00

abstract：:Tetracycline-resistant isolates of Pasteurella multocida and Pasteurella haemolytica obtained from various locations in the United States and Canada were studied to determine the distribution of the tet(H) gene. Of the 31 isolates examined, 25 were found to contain the tet(H) gene. Chromosomal or plasmid DNA obtained ...

journal_title：Antimicrobial agents and chemotherapy

authors： Hansen LM,Blanchard PC,Hirsh DC

更新日期：1996-06-01 00:00:00

abstract：:We examined an E-test-based strategy for testing the combination of itraconazole and amphotericin B, the latter given either sequentially or concomitantly, in isolates of Aspergillus fumigatus. An antagonistic interaction between the two drugs was noted, especially with the sequential administration of amphotericin B....

journal_title：Antimicrobial agents and chemotherapy

authors： Kontoyiannis DP,Lewis RE,Sagar N,May G,Prince RA,Rolston KV

更新日期：2000-10-01 00:00:00

abstract：:Pneumonia occurring outside of the hospital setting has traditionally been categorized as community-acquired pneumonia (CAP). However, when pneumonia is associated with health care risk factors (prior hospitalization, dialysis, residing in a nursing home, immunocompromised state), it is now more appropriately classifi...

journal_title：Antimicrobial agents and chemotherapy

authors： Micek ST,Kollef KE,Reichley RM,Roubinian N,Kollef MH

更新日期：2007-10-01 00:00:00

abstract：:Ethambutol (EMB) plays a pivotal role in the chemotherapy of drug-resistant tuberculosis (TB), including multidrug-resistant tuberculosis (MDR-TB). Resistance to EMB is considered to be caused by mutations in the embCAB operon (embC, embA, and embB). In this study, we analyzed the embCAB mutations among 139 MDR-TB iso...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhao LL,Sun Q,Liu HC,Wu XC,Xiao TY,Zhao XQ,Li GL,Jiang Y,Zeng CY,Wan KL

更新日期：2015-04-01 00:00:00

abstract：:Colistin is an old antibiotic that has recently gained a considerable renewal of interest for the treatment of pulmonary infections due to multidrug-resistant Gram-negative bacteria. Nebulization seems to be a promising form of administration, but colistin is administered as an inactive prodrug, colistin methanesulfon...

journal_title：Antimicrobial agents and chemotherapy

authors： Boisson M,Jacobs M,Grégoire N,Gobin P,Marchand S,Couet W,Mimoz O

更新日期：2014-12-01 00:00:00

abstract：:The in vitro and in vivo activities of azithromycin against chlamydia were investigated. The MIC of azithromycin for five standard strains of different species of chlamydia and six wild-type strains of Chlamydia pneumoniae was 0.125 microgram/ml, which was superior to that of erythromycin but inferior to those of clar...

journal_title：Antimicrobial agents and chemotherapy

authors： Niki Y,Kimura M,Miyashita N,Soejima R

更新日期：1994-10-01 00:00:00

abstract：:We describe here the in vitro activities of azithromycin, clarithromycin, minocycline, or tigecycline alone and in combination with amphotericin B, itraconazole, terbinafine, voriconazole, anidulafungin, caspofungin, or micafungin against 30 isolates of the oomycete Pythium insidiosum. The assays were based on the CLS...

journal_title：Antimicrobial agents and chemotherapy

authors： Jesus FP,Ferreiro L,Loreto ÉS,Pilotto MB,Ludwig A,Bizzi K,Tondolo JS,Zanette RA,Alves SH,Santurio JM

更新日期：2014-09-01 00:00:00

abstract：:Among respiratory tract isolates of Streptococcus pneumoniae from children, resistance to penicillins, cephalosporins, macrolides, and trimethoprim-sulfamethoxazole (SXT) increases on an annual basis. Pediatric patients who do not respond to conventional therapy for respiratory tract infections someday may be treated ...

journal_title：Antimicrobial agents and chemotherapy

authors： Karlowsky JA,Thornsberry C,Critchley IA,Jones ME,Evangelista AT,Noel GJ,Sahm DF

更新日期：2003-06-01 00:00:00

abstract：:The in vitro activity of Bay v 3522, a new aminobenzothiazol cephem, was compared with those of other oral beta-lactams. Bay v 3522 displayed high activity against Staphylococcus spp. (MICs for 90% of strains tested [MIC90S], 0.5 micrograms/ml), Streptococcus pneumoniae (MIC90, 0.06 micrograms/ml), and Haemophilus inf...

journal_title：Antimicrobial agents and chemotherapy

authors： Wise R,Andrews JM,Ashby JP,Thornber D

更新日期：1990-05-01 00:00:00

abstract：:Lipopolysaccharide (LPS) samples isolated from a parent and two antibiotic-hypersusceptible mutant strains of Escherichia coli were analyzed for polycation affinity and level of binding. Purified salts of the LPSs from the parent strain, UB1005, and from one of the mutant strains, DC1, bound similar amounts of sodium ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rocque WJ,Fesik SW,Haug A,McGroarty EJ

更新日期：1988-03-01 00:00:00

abstract：:beta-Lactamase was purified from a strain of Legionella gormanii. The molecular weight of the purified enzyme was 25,000, and its isoelectric point was 10.5. The enzyme hydrolyzed oxyiminocephalosporins, cephamycins, penicillins, and imipenem. The enzyme activity was inhibited by EDTA, Hg2+, and Cu2+, but not by clavu...

journal_title：Antimicrobial agents and chemotherapy

authors： Fujii T,Sato K,Miyata K,Inoue M,Mitsuhashi S

更新日期：1986-05-01 00:00:00

abstract：:The majority of clinical isolates of Moraxella catarrhalis produce beta-lactamase. The role of this enzyme in the phenomenon of indirect pathogenicity, in which a true pathogen such as Streptococcus pneumoniae is protected from the action of certain beta-lactam antibiotics, is well recognized. By using a simple contin...

journal_title：Antimicrobial agents and chemotherapy

authors： Budhani RK,Struthers JK

更新日期：1998-10-01 00:00:00

abstract：:The chromosome-encoded class C β-lactamase CHE-1 produced by Enterobacter cloacae exhibits a lower sensitivity to avibactam than the P99 enzyme from which it is derived by a 6-residue deletion in the H-10 helix. In the present study, we investigated the sensitivity of CHE-1 to two other β-lactamase inhibitors: LK-157 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Fernea A,Galleni M,Frère JM

更新日期：2016-01-04 00:00:00

abstract：:The therapeutic activity of ciprofloxacin, enoxacin, and ofloxacin was evaluated in guinea pigs with acute and chronic experimental Pseudomonas aeruginosa pneumonia. Intratracheal instillations of P. aeruginosa resulted in fatal pneumonia in all untreated animals within 36 h. Among treatment groups (80 mg/kg [body wei...

journal_title：Antimicrobial agents and chemotherapy

authors： Kemmerich B,Small GJ,Pennington JE

更新日期：1986-03-01 00:00:00

abstract：:Compounds in a series of cholic acid derivatives, designed to mimic the activities of polymyxin B and its derivatives, act as both potent antibiotics and effective permeabilizers of the outer membranes of gram-negative bacteria. Some of these compounds rival polymyxin B in antibacterial activity against gram-negative ...

journal_title：Antimicrobial agents and chemotherapy

authors： Li C,Lewis MR,Gilbert AB,Noel MD,Scoville DH,Allman GW,Savage PB

更新日期：1999-06-01 00:00:00

abstract：:Salmonella spp. are important food-borne pathogens that are demonstrating increasing antimicrobial resistance rates in isolates obtained from food animals and humans. In this study, 10 multidrug-resistant, cephalosporin-resistant Salmonella isolates from bovine, porcine, and human sources from a single geographic regi...

journal_title：Antimicrobial agents and chemotherapy

authors： Winokur PL,Brueggemann A,DeSalvo DL,Hoffmann L,Apley MD,Uhlenhopp EK,Pfaller MA,Doern GV

更新日期：2000-10-01 00:00:00

abstract：:The efficacy of a new liposomal formulation of amphotericin B was compared to that of amphotericin B deoxycholate (Fungizone) in a murine model of visceral leishmaniasis induced by Leishmania infantum. Median effective doses (ED50) were determined with two different strains: strain 1 was obtained from an untreated pat...

journal_title：Antimicrobial agents and chemotherapy

authors： Paul M,Durand R,Fessi H,Rivollet D,Houin R,Astier A,Deniau M

更新日期：1997-08-01 00:00:00

abstract：:Catheter-associated urinary tract infections (CAUTIs) constitute the majority of nosocomial urinary tract infections (UTIs) and pose significant clinical challenges. These infections are polymicrobial in nature and are often associated with multidrug-resistant pathogens, including uropathogenic Escherichia coli (UPEC)...

journal_title：Antimicrobial agents and chemotherapy

authors： Guiton PS,Cusumano CK,Kline KA,Dodson KW,Han Z,Janetka JW,Henderson JP,Caparon MG,Hultgren SJ

更新日期：2012-09-01 00:00:00

abstract：:CMY-30, a Val211Gly mutant of CMY-2 cephalosporinase, was derived by mutagenesis. The hydrolytic efficiency of CMY-30 against expanded-spectrum cephalosporins was higher than that of CMY-2 due to increased k(cat) values. Findings indicate a role of the Omega loop residue 211 in determining the substrate specificities ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kotsakis SD,Papagiannitsis CC,Tzelepi E,Tzouvelekis LS,Miriagou V

更新日期：2009-08-01 00:00:00