Quadruple mutations in dihydrofolate reductase of Plasmodium falciparum isolates from Car Nicobar Island, India.

abstract：:We describe a novel method for isolating plasma-free peripheral blood mononuclear cells retaining intracellular efavirenz. Quantification of efavirenz in 13 human immunodeficiency virus-infected patients by liquid chromatography-tandem mass spectrometry showed a higher correlation of intracellular levels with unbound ...

journal_title：Antimicrobial agents and chemotherapy

authors： Tanaka R,Hanabusa H,Kinai E,Hasegawa N,Negishi M,Kato S

更新日期：2008-02-01 00:00:00

abstract：:After inducing mutagenesis with nitrosoguanidine, we used vancomycin enrichment in isolating auxotrophic mutants of Mycobacterium smegmatis. Compared with cycloserine and penicillin G, which are also cell wall inhibitors, vancomycin, with 24 h of exposure, produced less cell lysis and a greater reduction in viable cel...

journal_title：Antimicrobial agents and chemotherapy

authors： Woodley CL,Baldwin JN,Greenberg J

更新日期：1981-04-01 00:00:00

abstract：:The standard disk diffusion method of Bauer et al. (Am. J. Clin. Pathol. 45:493-496, 1966; National Committee for Clinical Laboratory Standards, Performance standards for antimicrobial disc susceptibility tests, approved standard ASM-2, 2nd ed., 1979) was used to monitor the potency of 16 Autobac antibiotic elution di...

journal_title：Antimicrobial agents and chemotherapy

authors： Gaydos JM,Harrington BJ

更新日期：1982-03-01 00:00:00

abstract：:Ceftizoxime, a new cephalosporin, was active against Pseudomonas cepacia, Flavobacterium meningosepticum, Alcaligenes faecalis, and Acinetobacter calcoaceticus and was more potent against Pseudomonas aeruginosa and Pseudomonas putida than was carbenicillin. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Yabuuchi E,Ito T,Tanimura E,Yamamoto N,Ohyama A

更新日期：1981-07-01 00:00:00

abstract：:A two-compartment pharmacokinetic (PK) population model of anidulafungin was fitted to PK data from 23 critically ill patients (age, 65 years [range, 28 to 81 years]; total body weight [TBW], 75 kg [range, 54 to 168 kg]). TBW was associated with clearance and incorporated into a final population PK model. Simulations ...

journal_title：Antimicrobial agents and chemotherapy

authors： Luque S,Hope W,Campillo N,Muñoz-Bermúdez R,Sorli L,Barceló-Vidal J,González-Colominas E,Alvarez-Lerma F,Masclans JR,Montero M,Horcajada JP,Grau S

更新日期：2019-06-24 00:00:00

abstract：:The main aim of this study was to develop a standardized experimental assay to enable differential antimicrobial comparisons of test biocidal aerosols. This study represents the first chlorine-matched comparative assessment of the antimicrobial activities of aerosolized sodium hypochlorite, chlorine dioxide, and elect...

journal_title：Antimicrobial agents and chemotherapy

authors： Thorn RM,Robinson GM,Reynolds DM

更新日期：2013-05-01 00:00:00

abstract：:IncK plasmids encoding CTX-M-14 extended-spectrum β-lactamase (ESBL) and highly related to plasmid pCT were detected in 13 of 67 (19%) human clinical isolates of Escherichia coli with a group 9 CTX-M-type ESBL from the United Kingdom and in 2 quality assurance isolates. None of these E. coli strains was related to the...

journal_title：Antimicrobial agents and chemotherapy

authors： Dhanji H,Khan P,Cottell JL,Piddock LJ,Zhang J,Livermore DM,Woodford N

更新日期：2012-06-01 00:00:00

abstract：:Steady-state concentrations of telavancin, a novel, bactericidal lipoglycopeptide, were determined in the plasma, pulmonary epithelial lining fluid (ELF), and alveolar macrophages (AMs) of 20 healthy subjects. Telavancin at 10 mg of drug/kg of body weight/day was administered as a 1-h intravenous infusion on three suc...

journal_title：Antimicrobial agents and chemotherapy

authors： Gotfried MH,Shaw JP,Benton BM,Krause KM,Goldberg MR,Kitt MM,Barriere SL

更新日期：2008-01-01 00:00:00

abstract：:Paradoxical growth of some Candida isolates occurs at concentrations above the MIC for echinocandins. In 60 Candida bloodstream isolates from cancer patients (20 C. albicans isolates and 10 isolates each of C. parapsilosis, C. tropicalis, C. krusei, and C. glabrata), paradoxical growth was more frequent with caspofung...

journal_title：Antimicrobial agents and chemotherapy

authors： Chamilos G,Lewis RE,Albert N,Kontoyiannis DP

更新日期：2007-06-01 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：:para-Aminosalicylic acid (PAS) remains one of the drugs of last resort for the treatment of tuberculosis, but its mechanism of action is still not completely understood. The main aim of this project was to identify new potential mechanisms of action and resistance to PAS by performing whole-genome sequencing on PAS-re...

journal_title：Antimicrobial agents and chemotherapy

authors： Satta G,Witney AA,Begum N,Ortiz Canseco J,Boa AN,McHugh TD

更新日期：2020-08-20 00:00:00

abstract：:The objectives of this study were to investigate raltegravir transport across several blood-tissue barrier models and the potential interactions with drug efflux transporters. Raltegravir uptake, accumulation, and permeability were evaluated in vitro in (i) P-glycoprotein (P-gp), breast cancer resistance protein (BCRP...

journal_title：Antimicrobial agents and chemotherapy

authors： Hoque MT,Kis O,De Rosa MF,Bendayan R

更新日期：2015-05-01 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：:Ampicillin resistance in Enterococcus faecium is a serious concern worldwide, complicating the treatment of E. faecium infections. Penicillin-binding protein 5 (PBP5) is considered the main ampicillin resistance determinant in E. faecium The three known E. faecium clades showed sequence variations in the pbp5 gene tha...

journal_title：Antimicrobial agents and chemotherapy

authors： Montealegre MC,Roh JH,Rae M,Davlieva MG,Singh KV,Shamoo Y,Murray BE

更新日期：2016-12-27 00:00:00

abstract：:Ninety-two strains of Yersinia pestis recovered over a 21-year period were evaluated for susceptibility to traditional and newer antimicrobial agents. In vitro resistance was noted only against rifampin and imipenem (approximately 20% of strains). The most active compounds (MIC at which 90% of the isolates tested are ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wong JD,Barash JR,Sandfort RF,Janda JM

更新日期：2000-07-01 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：:Resistance to macrolides and ketolides occurs mainly via alterations in RNA moieties of the drug-binding site. Using an A2058G mutant of Mycobacterium smegmatis, additional telithromycin resistance was acquired via deletion of 15 residues from protein L22. Molecular modeling, based on the crystal structure of the larg...

journal_title：Antimicrobial agents and chemotherapy

authors： Berisio R,Corti N,Pfister P,Yonath A,Böttger EC

更新日期：2006-11-01 00:00:00

abstract：:The kinetics of the lethal action of metronidazole and the formation of acetamide have been studied in a strain of Bacteroides fragilis which is relatively resistant to metronidazole. As with a susceptible strain of B. fragilis, the data are consistent with a model in which a labile intermediate in metronidazole metab...

journal_title：Antimicrobial agents and chemotherapy

authors： McLafferty MA,Koch RL,Goldman P

更新日期：1982-01-01 00:00:00

abstract：:An indirect mouse model was utilized to evaluate the antiviral activity of several compounds against Venezuelan equine encephalomyelitis (VEE) virus infection in mice. Mice were given various dosages of lysine-stabilized polyriboinosinic acid-polyribocytidylic acid, a tilorone analogue, kethoxal, or mepacrine before a...

journal_title：Antimicrobial agents and chemotherapy

authors： Kuehne RW,Pannier WL,Stephen EL

更新日期：1977-04-01 00:00:00

abstract：:The 54-kDa outer membrane protein (designated OprJ) of a norfloxacin-resistant nfxB mutant of Pseudomonas aeruginosa PAO1 was purified by ion-exchange high-performance liquid chromatography. Mobility of OprJ in sodium dodecyl sulfate-polyacrylamide gel electrophoresis was not affected by reduction and heating. A murin...

journal_title：Antimicrobial agents and chemotherapy

authors： Hosaka M,Gotoh N,Nishino T

更新日期：1995-08-01 00:00:00

abstract：:Porphyromonas gingivalis is a bacterial pathogen associated with chronic periodontitis that results in destruction of the tooth's supporting tissues. The major virulence determinants of P. gingivalis are its cell surface Arg- and Lys-specific cysteine proteinases, RgpA/B and Kgp. Lactoferrin (LF), an 80-kDa iron-bindi...

journal_title：Antimicrobial agents and chemotherapy

authors： Dashper SG,Pan Y,Veith PD,Chen YY,Toh EC,Liu SW,Cross KJ,Reynolds EC

更新日期：2012-03-01 00:00:00

abstract：:The mecillinam resistance of Escherichia coli K-12 mutants deficient in the enzyme responsible for the synthesis of adenosine 3',5'-monophosphate, adenylate cyclase, has been investigated. The results suggest that resistance to this antibiotic may be a consequence of the slow growth rate of these mutants rather than a...

journal_title：Antimicrobial agents and chemotherapy

authors： Scott NW,Harwood CR

更新日期：1981-04-01 00:00:00

abstract：:Hepatitis C virus (HCV) NS3 protease inhibitors (PIs) are important components of novel HCV therapy regimens. Studies of PI resistance initially focused on genotype 1. Therefore, knowledge about the determinants of PI resistance for the highly prevalent genotypes 2 to 6 remains limited. Using Huh7.5 cell culture-infec...

journal_title：Antimicrobial agents and chemotherapy

authors： Serre SB,Jensen SB,Ghanem L,Humes DG,Ramirez S,Li YP,Krarup H,Bukh J,Gottwein JM

更新日期：2016-05-23 00:00:00

abstract：:A survey carried out in 2005 among members of a healthy population of children living in Bolivia and Peru revealed that fecal carriage of Escherichia coli strains resistant to expanded-spectrum cephalosporins was remarkably increased compared to that observed in the same settings in 2002 (1.7% in 2005 versus 0.1% in 2...

journal_title：Antimicrobial agents and chemotherapy

authors： Pallecchi L,Bartoloni A,Fiorelli C,Mantella A,Di Maggio T,Gamboa H,Gotuzzo E,Kronvall G,Paradisi F,Rossolini GM

更新日期：2007-08-01 00:00:00

abstract：:Rezafungin is a new long-acting echinocandin currently in phase 3 development. Epidemiological cutoff values are necessary for breakpoint setting but have not been established due to unexplained interlaboratory MIC variations observed in a prior multicenter study. Here we investigated if the choice of microtiter plate...

journal_title：Antimicrobial agents and chemotherapy

authors： Arendrup MC,Jørgensen KM,Hare RK,Cuenca-Estrella M,Zaragoza O

更新日期：2019-08-23 00:00:00

abstract：:In this study, a chromosomally encoded putative drug efflux pump of the SMR family, named AbeS, from a multidrug-resistant strain of Acinetobacter baumannii was characterized to elucidate its role in antimicrobial resistance. Expression of the cloned abeS gene in hypersensitive Escherichia coli host KAM32 resulted in ...

journal_title：Antimicrobial agents and chemotherapy

authors： Srinivasan VB,Rajamohan G,Gebreyes WA

更新日期：2009-12-01 00:00:00

abstract：:Selective decontamination of the digestive tract (SDD) has been evaluated as a method to prevent colonization and infection in ventilated patients in 40 trials. On the basis of an assumption that cross-infection would be reduced as a consequence of SDD and that this would distort the results of SDD studies that used c...

journal_title：Antimicrobial agents and chemotherapy

authors： Hurley JC

更新日期：1995-04-01 00:00:00

abstract：:Acinetobacter baumannii is responsible for severe nosocomial pneumonia. To evaluate new therapeutic regimens for infections due to multiresistant strains and to study the pharmacodynamic properties of various antibiotics, we developed an experimental mouse model of acute A. baumannii pneumonia. C3H/HeN mice rendered t...

journal_title：Antimicrobial agents and chemotherapy

authors： Joly-Guillou ML,Wolff M,Pocidalo JJ,Walker F,Carbon C

更新日期：1997-02-01 00:00:00

abstract：:Cefazolin and cephalothin disk susceptibility and minimal inhibitory concentration determinations were conducted on 591 clinical isolates. Cefazolin demonstrated superior activity, as shown by lower minimal inhibitory concentrations, and a greater percentage of isolates inhibited in the disk susceptibility test. The c...

journal_title：Antimicrobial agents and chemotherapy

authors： Actor P,Guarini J,Uri J,Dickson J,Pauls JF,Weisbach JA

更新日期：1974-01-01 00:00:00

abstract：:Viomycin-resistant strains isolated from Mycobacterium smegmatis demonstrated pleiotropic resistance to tuberactinomycin-N, capreomycin, streptomycin, and kanamycin as a result of mutational alteration of ribosomes, even though they were selected for resistance to a single antibiotic. The pleiotropic drug resistance o...

journal_title：Antimicrobial agents and chemotherapy

authors： Yamada T,Masuda K,Shoji K,Hori M

更新日期：1974-07-01 00:00:00