Characteristics of Carbapenemase-Producing Enterobacteriaceae in Wastewater Revealed by Genomic Analysis.

abstract：:Killing by beta-lactams is well known to be reduced against a dense bacterial population, commonly known as the inoculum effect. However, the underlying mechanism of this phenomenon is not well understood. We proposed a semi-mechanistic mathematical model to account for the reduced in vitro killing observed. Time-kill...

journal_title：Antimicrobial agents and chemotherapy

authors： Bhagunde P,Chang KT,Singh R,Singh V,Garey KW,Nikolaou M,Tam VH

更新日期：2010-11-01 00:00:00

abstract：:The incidence of triazole-resistant Aspergillus infections is increasing worldwide, often mediated through mutations in the CYP51A amino acid sequence. New classes of azole-based drugs are required to combat the increasing resistance to existing triazole therapeutics. In this study, a CYP51 reconstitution assay is des...

journal_title：Antimicrobial agents and chemotherapy

authors： Warrilow AG,Parker JE,Price CL,Nes WD,Kelly SL,Kelly DE

更新日期：2015-12-01 00:00:00

abstract：:A total of 201 critically ill patients were studied during 267 courses of gentamicin or tobramycin treatment (139 gentamicin courses and 128 tobramycin courses). Of these 267 courses, pharmacokinetic and clinical data were obtained for 240 (120 gentamicin and 120 tobramycin). The data collected for pharmacokinetic ana...

journal_title：Antimicrobial agents and chemotherapy

authors： Schentag JJ,Plaut ME,Cerra FB

更新日期：1981-05-01 00:00:00

abstract：:The in vitro activity of OPC-17116, a new C-5 methyl fluoroquinolone, was compared with the activities of other fluoroquinolones. OPC-17116 inhibited 50% of the members of the family Enterobacteriaceae tested and 90% of Haemophilus influenzae, Neisseria species, and Moraxella catarrhalis isolates at less than or equal...

journal_title：Antimicrobial agents and chemotherapy

authors： Neu HC,Fang W,Gu JW,Chin NX

更新日期：1992-06-01 00:00:00

abstract：:Ampicillin, trimethoprim-sulfamethoxazole, mecillinam, nitrofurantoin, and ciprofloxacin mean resistance rates for 2,000 urinary tract isolates collected from outpatients across Canada in 1998 were 41.1, 19.2, 14.7, 5.0, and 1.8%, respectively. For Escherichia coli isolates alone (n = 1,681) comparable rates were 41. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhanel GG,Karlowsky JA,Harding GK,Carrie A,Mazzulli T,Low DE,Hoban DJ

更新日期：2000-04-01 00:00:00

abstract：:Drug exposure or pharmacodynamic breakpoints refer to a magnitude of drug exposure which separates a population into groups with high and low probabilities of attaining a desired outcome. We used a pharmacodynamic model of disseminated candidiasis to define an in vivo drug exposure breakpoint for flucytosine (5FC) aga...

journal_title：Antimicrobial agents and chemotherapy

authors： Hope WW,Warn PA,Sharp A,Howard S,Kasai M,Louie A,Walsh TJ,Drusano GL,Denning DW

更新日期：2006-11-01 00:00:00

abstract：:Catheters and other indwelling devices placed inside human body are prone to bacterial infection, causing serious risk to patients. Infections associated with implants are difficult to resolve, and hence the prevention of bacterial colonization of such surfaces is quite appropriate. In this context, the development of...

journal_title：Antimicrobial agents and chemotherapy

authors： Dave RN,Joshi HM,Venugopalan VP

更新日期：2011-02-01 00:00:00

abstract：:Nephrotoxicity is the primary adverse effect of the polymyxins. The relative rates of toxicity of polymyxin B and colistin have not been fully elucidated, especially in patients with cystic fibrosis (CF). A retrospective cohort study of adults treated with polymyxin B or colistin for at least 48 h was conducted. The p...

journal_title：Antimicrobial agents and chemotherapy

authors： Crass RL,Rutter WC,Burgess DR,Martin CA,Burgess DS

更新日期：2017-03-24 00:00:00

abstract：:We studied eight strains of Escherichia coli resistant to high levels of trimethoprim that were isolated over a 6-week period in a commercial breeding flock of broilers. The strains originated from fecal samples and from a carcass immediately after slaughter. Seven of eight strains belonged to the same infrequent biot...

journal_title：Antimicrobial agents and chemotherapy

authors： Chaslus-Dancla E,Gerbaud G,Lagorce M,Lafont JP,Courvalin P

更新日期：1987-05-01 00:00:00

abstract：:A woman in her late 60s with disseminated histoplasmosis was treated with posaconazole because first-line therapies were not tolerated. She subsequently presented with decompensated heart failure, hypertension, and hypokalemia. Laboratory tests revealed low renin and aldosterone levels. A potential mechanism is inhibi...

journal_title：Antimicrobial agents and chemotherapy

authors： Kuriakose K,Nesbitt WJ,Greene M,Harris B

更新日期：2018-04-26 00:00:00

abstract：:A self-transferable plasmid of ca. 80 kb, pIP1204, conferred multiple-antibiotic resistance to Klebsiella pneumoniae BM4536, which was isolated from a urinary tract infection. Resistance to beta-lactams was due to the bla(TEM1) and bla(CTX-M) genes, resistance to trimethroprim was due to the dhfrXII gene, resistance t...

journal_title：Antimicrobial agents and chemotherapy

authors： Galimand M,Courvalin P,Lambert T

更新日期：2003-08-01 00:00:00

abstract：:In enterobacteria, the ampG gene encodes a transmembrane protein (permease) that transports 1,6-GlcNAc-anhydro-MurNAc and the 1,6-GlcNAc-anhydro-MurNAc peptide from the periplasm to the cytoplasm, which serve as signal molecules for the induction of ampC β-lactamase. The role of AmpG as a transporter is also essential...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang Y,Bao Q,Gagnon LA,Huletsky A,Oliver A,Jin S,Langaee T

更新日期：2010-11-01 00:00:00

abstract：:Salmonella typhimurium isolated in Bombay from fecal samples of 145 patients suffering from gastroenteritis (group 1) and from the cerebrospinal fluid, feces, or blood of 42 patients with systemic salmonellosis (group 2) were examined for the antimicrobial resistance and incompatibility groups of their R plasmids. Mul...

journal_title：Antimicrobial agents and chemotherapy

authors： Rangnekar VM,Banker DD,Jhala HI

更新日期：1983-01-01 00:00:00

abstract：:An analytical method for the quantitation of amifloxacin, 6-fluoro-1,4-dihydro-1-(methylamino)-7-(4-methyl-1-piperazinyl)-4-oxo-3- quinolinecarboxylic acid, in plasma and urine has been developed. The method involves extraction with chloroform, back-extraction into 0.1 M sodium hydroxide, and subsequent analysis by re...

journal_title：Antimicrobial agents and chemotherapy

authors： McCoy LF,Crawmer BP,Benziger DP

更新日期：1985-05-01 00:00:00

abstract：:Various parameters were examined for their effects on interferon production with human fibroblast cells (FS-4) grown on microcarriers, using a superinduction procedure. Optimal concentrations of cycloheximide and actinomycin D during induction were 10 micrograms/ml, respectively. Cells required 5 to 6 h of exposure to...

journal_title：Antimicrobial agents and chemotherapy

authors： Giard DJ,Fleischaker RJ

更新日期：1980-07-01 00:00:00

abstract：:A new, rapid method for measuring serum levels of nafcillin by spectrofluorometry is described. The method involves extraction of 2 ml of acidified serum with n-butyl chloride, subjecting the organic solvent layer to excitation at 340 nm, and measuring the relative intensity of emission fluorescence at 380 nm. An exce...

journal_title：Antimicrobial agents and chemotherapy

authors： Lichtenwalner DM,Suh B,Lorber B,Sugar AM

更新日期：1979-08-01 00:00:00

abstract：:The participation of trypanothione in clinical and experimental antimony (Sb) resistance in Leishmania panamensis was examined by using specific inhibitors. Buthionine sulfoximine (BSO) significantly reversed the resistance to trivalent Sb (Sb(III)) of promastigotes of experimentally derived Sb-resistant lines, suppor...

journal_title：Antimicrobial agents and chemotherapy

authors： Goyeneche-Patino DA,Valderrama L,Walker J,Saravia NG

更新日期：2008-12-01 00:00:00

abstract：:The radical-based theory proposes that three major classes of bactericidal antibiotics, i.e., β-lactams, quinolones, and aminoglycosides, have in common the downstream formation of lethal levels of reactive oxygen species (ROS) as part of the killing mechanism. If bactericidal antibiotics exhibit a common mechanism, t...

journal_title：Antimicrobial agents and chemotherapy

authors： Hoeksema M,Brul S,Ter Kuile BH

更新日期：2018-05-25 00:00:00

abstract：:In order to study the mechanism of insusceptibility of Spiroplasma citri to rifampin, we have cloned and sequenced its rpoB gene, which encodes the beta subunit of RNA polymerase. By comparison of the deduced amino acid sequence with sequences of beta subunits from susceptible and resistant bacteria, it was possible t...

journal_title：Antimicrobial agents and chemotherapy

authors： Gaurivaud P,Laigret F,Bove JM

更新日期：1996-04-01 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：:The pore-forming microcin E492 was purified by solid-phase extraction and reversed-phase high-pressure liquid chromatography. Its molecular mass was 7,886 Da. The entire 84-amino-acid sequence was determined. There is no postranslational modification in the secreted microcin, and the sequence has homologies with the s...

journal_title：Antimicrobial agents and chemotherapy

authors： Pons AM,Zorn N,Vignon D,Delalande F,Van Dorsselaer A,Cottenceau G

更新日期：2002-01-01 00:00:00

abstract：:PCR was used to amplify a 238-bp region from Helicobacter pylori which corresponded to the quinolone resistance-determining region in Escherichia coli. The gyrA gene of H. pylori was cloned and sequenced. An open reading frame of 2,478 nucleotides coded for a polypeptide of 826 amino acids with a calculated molecular ...

journal_title：Antimicrobial agents and chemotherapy

authors： Moore RA,Beckthold B,Wong S,Kureishi A,Bryan LE

更新日期：1995-01-01 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：:Iron-sulfur flavoproteins (Isf) are flavin mononucleotide (FMN)- and FeS cluster-containing proteins commonly encountered in anaerobic prokaryotes. However, with the exception of Isf from Methanosarcina thermophila, which participates in oxidative stress management by removing oxygen and hydrogen peroxide, none of the...

journal_title：Antimicrobial agents and chemotherapy

authors： Smutná T,Pilarová K,Tarábek J,Tachezy J,Hrdý I

更新日期：2014-06-01 00:00:00

abstract：:A strain of extensively drug-resistant (XDR) Salmonella enterica serovar Typhi has caused a large ongoing outbreak in Pakistan since 2016. In Ontario, Canada, 10 cases of mainly bloodstream infections (n = 9) were identified in patients who traveled to Pakistan. Whole-genome sequencing showed that Canadian cases were ...

journal_title：Antimicrobial agents and chemotherapy

authors： Eshaghi A,Zittermann S,Bharat A,Mulvey MR,Allen VG,Patel SN

更新日期：2020-04-21 00:00:00

abstract：:The comparative in vitro activity of SMT19969, a novel, narrow-spectrum, nonabsorbable agent, was studied against 50 ribotype-defined Clostridium difficile strains, 174 Gram-positive and 136 Gram-negative intestinal anaerobes, and 40 Gram-positive aerobes. SMT19969 was one dilution more active against C. difficile iso...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Citron DM,Tyrrell KL,Merriam CV

更新日期：2013-10-01 00:00:00

abstract：:Multidrug resistance (MDR) is a major problem in the treatment of infectious diseases and cancer. Accumulating evidence suggests that the cyclooxygenase-2 (COX-2)-specific inhibitor celecoxib would not only inhibit COX-2 but also help in the reversal of drug resistance in cancers by inhibiting the MDR1 efflux pump. He...

journal_title：Antimicrobial agents and chemotherapy

authors： Kalle AM,Rizvi A

更新日期：2011-01-01 00:00:00

abstract：:The ponA gene of Mycobacterium smegmatis encodes a 95-kDa penicillin binding protein, PBP1, that is similar to PBP1s of Mycobacterium tuberculosis and Mycobacterium leprae. Transposon disruption of ponA in M. smegmatis resulted in a PBP1-deficient mutant that was sensitive to beta-lactam antibiotics, was more permeabl...

journal_title：Antimicrobial agents and chemotherapy

authors： Billman-Jacobe H,Haites RE,Coppel RL

更新日期：1999-12-01 00:00:00

abstract：:The new oral 200-mg rifamycin SV MMX modified-release tablets, designed to deliver rifamycin SV directly into the colonic lumen, offer considerable advantages over the existing immediate-release antidiarrheic formulations. In two pharmacokinetics studies of healthy volunteers, the absorption, urinary excretion, and fe...

journal_title：Antimicrobial agents and chemotherapy

authors： Di Stefano AF,Rusca A,Loprete L,Dröge MJ,Moro L,Assandri A

更新日期：2011-05-01 00:00:00

abstract：:Combinations of caspofungin and posaconazole were evaluated by fractional inhibitory concentration index against 119 Candida glabrata isolates. Synergy was seen in 18% of all isolates and in 4% of fluconazole-resistant isolates at 48 h without evidence of antagonism. This antifungal combination may have utility agains...

journal_title：Antimicrobial agents and chemotherapy

authors： Oliveira ER,Fothergill AW,Kirkpatrick WR,Coco BJ,Patterson TF,Redding SW

更新日期：2005-08-01 00:00:00