Intracellular efavirenz levels in peripheral blood mononuclear cells from human immunodeficiency virus-infected individuals.

abstract：:Previous studies on tetracycline transport into Staphylococcus aureus identified a high-affinity, saturable uptake system for the antibiotic (Km, 4.76 microM) (B.L. Hutchings, Biochim. Biophys. Acta 174:734-738, 1969). However, the earlier results could not be confirmed using conditions that permitted energy-dependent...

journal_title：Antimicrobial agents and chemotherapy

authors： Chopra I,Ismail S,Oliva B

更新日期：1991-12-01 00:00:00

abstract：:LpxC [UDP-3-O-(R-3-hydroxymyristoyl)-GlcNAc deacetylase] is a metalloamidase that catalyzes the first committed step in the biosynthesis of the lipid A component of lipopolysaccharide. A previous study (H. R. Onishi, B. A. Pelak, L. S. Gerckens, L. L. Silver, F. M. Kahan, M. H. Chen, A. A. Patchett, S. M. Galloway, S....

journal_title：Antimicrobial agents and chemotherapy

authors： Mdluli KE,Witte PR,Kline T,Barb AW,Erwin AL,Mansfield BE,McClerren AL,Pirrung MC,Tumey LN,Warrener P,Raetz CR,Stover CK

更新日期：2006-06-01 00:00:00

abstract：:By cloning studies and complementation experiments, the sulfonamide resistance gene of a serogroup B and serotype 15 (B:15) strain of Neisseria meningitidis was localized to a 1.2-kb chromosomal SspI fragment expressing a drug-resistant dihydropteroate synthase. The fragment hybridized to DNA from both resistant and s...

journal_title：Antimicrobial agents and chemotherapy

authors： Kristiansen BE,Rådström P,Jenkins A,Ask E,Facinelli B,Sköld O

更新日期：1990-11-01 00:00:00

abstract：:The frequencies of tetracycline resistance determinants of the classes A, B, C, and D were determined in 53 non-lactose-fermenting clinical isolates. The most frequent class of determinant in Salmonella typhimurium and Shigella flexneri strains was class B; however, the predominant determinant in Shigella sonnei strai...

journal_title：Antimicrobial agents and chemotherapy

authors： Martínez-Salazar JM,Alvarez G,Gómez-Eichelmann MC

更新日期：1986-10-01 00:00:00

abstract：:Teicoplanin is an investigational glycopeptide antibiotic that is structurally and microbiologically similar to vancomycin. Since teicoplanin possesses a very long elimination half-life, the manufacturer suggests that the drug be administered every 12 h for the first day of therapy and once daily thereafter. We studie...

journal_title：Antimicrobial agents and chemotherapy

authors： Outman WR,Nightingale CH,Sweeney KR,Quintiliani R

更新日期：1990-11-01 00:00:00

abstract：:Epidemiological data on carbapenemase-producing Gram-negative bacteria on the African continent are limited. Here, we report the identification of VIM-2-producing Pseudomonas aeruginosa isolates in Tanzania. Eight out of 90 clinical isolates of P. aeruginosa from a tertiary care hospital in Dar es Salaam were shown to...

journal_title：Antimicrobial agents and chemotherapy

authors： Moyo S,Haldorsen B,Aboud S,Blomberg B,Maselle SY,Sundsfjord A,Langeland N,Samuelsen Ø

更新日期：2015-01-01 00:00:00

abstract：:In a crossover study, single doses of netilmicin and gentamicin were administered intramuscularly, each at 1.0 and 2.5 mg/kg. The serum concentrations, analyzed by a two-compartment open model with a first-order absorption, indicated that the pharmacokinetics of the drugs are essentially the same. Both drugs were rapi...

journal_title：Antimicrobial agents and chemotherapy

authors： Chung M,Costello R,Symchowicz S

更新日期：1980-02-01 00:00:00

abstract：:Mercury has a long history as an antimicrobial agent effective against eukaryotic and prokaryotic organisms. Despite its prolonged use, the basis for mercury toxicity in prokaryotes is not well understood. Archaea, like bacteria, are prokaryotes but they use a simplified version of the eukaryotic transcription apparat...

journal_title：Antimicrobial agents and chemotherapy

authors： Dixit V,Bini E,Drozda M,Blum P

更新日期：2004-06-01 00:00:00

abstract：:The presence and characterization of plasmid-mediated fosfomycin resistance determinants among Escherichia coli isolates collected from pets in China between 2006 and 2010 were investigated. Twenty-nine isolates (9.0%) were positive for fosA3, and all of them were CTX-M producers. The fosA3 genes were flanked by IS26 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Hou J,Huang X,Deng Y,He L,Yang T,Zeng Z,Chen Z,Liu JH

更新日期：2012-04-01 00:00:00

abstract：:The mechanism(s) of daptomycin (DAP) resistance (DAPr) is incompletely defined. Thickened cell walls (CWs) acting as either a mechanical barrier or an affinity trap for DAP have been purported to be a major contributor to the DAPr phenotype. To this end, we studied an isogenic set of methicillin-resistant Staphylococc...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang SJ,Nast CC,Mishra NN,Yeaman MR,Fey PD,Bayer AS

更新日期：2010-08-01 00:00:00

abstract：:MICs of Bay 12-8039 and comparative antimicrobials were determined for 820 recent clinical isolates. Ciprofloxacin was approximately 2-fold more active than Bay 12-8039 and ofloxacin against Enterobacteriaceae and approximately 8-fold more active against Pseudomonas aeruginosa. Bay 12-8039 was approximately 2- to 16-f...

journal_title：Antimicrobial agents and chemotherapy

authors： Fass RJ

更新日期：1997-08-01 00:00:00

abstract：:Antibiotic dynamics in the fluid obtained from subcutaneously implanted chambers in rats were similar to those observed in serum following single intramuscular injections of carbenicillin. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Gardner WG,Prior RB,Perkins RL

更新日期：1973-08-01 00:00:00

abstract：:Antagonism of antibiotic activity by peritoneal dialysate has been postulated to be a cause of failure of treatment of peritonitis complicating continuous ambulatory peritoneal dialysis. We evaluated by a case-control study whether unexpected treatment failure could be attributed to such antagonism. Bacteria isolated ...

journal_title：Antimicrobial agents and chemotherapy

authors： Ludlam H,Johnston L,Hopkins P

更新日期：1992-05-01 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：:Central-line-associated bloodstream infections are increasingly recognized to be associated with intraluminal microbial biofilms, and effective measures for the prevention and treatment of bloodstream infections remain lacking. This report evaluates a new commercially developed antimicrobial catheter lock solution (AC...

journal_title：Antimicrobial agents and chemotherapy

authors： Chandra J,Long L,Isham N,Mukherjee PK,DiSciullo G,Appelt K,Ghannoum MA

更新日期：2018-07-27 00:00:00

abstract：:The aim of this study was to investigate the influence of hypovolemia on the distribution of imipenem in muscle extracellular fluid determined by microdialysis in awake rats. Microdialysis probes were inserted into the jugular vein and hind leg muscle. Imipenem recoveries in muscle and blood were determined in each ra...

journal_title：Antimicrobial agents and chemotherapy

authors： Marchand S,Dahyot C,Lamarche I,Plan E,Mimoz O,Couet W

更新日期：2005-12-01 00:00:00

abstract：:The postantibiotic effect (PAE) (10 times the MIC of quinolones, 5 times the MIC of macrolides) and postantibiotic sub-MIC effect (PAE-SME) at 0.125, 0.25, and 0.5 times the MIC were determined for levofloxacin, ciprofloxacin, ofloxacin, erythromycin, azithromycin, and clarithromycin against 20 pneumococci. Quinolone ...

journal_title：Antimicrobial agents and chemotherapy

authors： Spangler SK,Lin G,Jacobs MR,Appelbaum PC

更新日期：1998-05-01 00:00:00

abstract：:The in vitro and in vivo activities of modithromycin, a novel bicyclolide, against Legionella pneumophila were compared with those of telithromycin, clarithromycin, azithromycin, and levofloxacin. All the test agents decreased the intracellular growth of viable L. pneumophila bacteria over 96 h of incubation in both t...

journal_title：Antimicrobial agents and chemotherapy

authors： Sato T,Tateda K,Kimura S,Ishii Y,Yamaguchi K

更新日期：2011-04-01 00:00:00

abstract：:Although fluoroquinolone antibiotics such as ciprofloxacin are able to gain access to lung tissue and both pleural and bronchial secretions, the characteristics of transport and cellular uptake of ciprofloxacin in human epithelial lung tissue remain obscure. We have chosen human airway epithelial (Calu-3) cells, recon...

journal_title：Antimicrobial agents and chemotherapy

authors： Cavet ME,West M,Simmons NL

更新日期：1997-12-01 00:00:00

abstract：:Ethambutol at 3.0 micrograms/ml inhibited the transfer of label from D-[14C]glucose into the D-arabinose residue of arabinogalactan in whole cells of a drug-susceptible strain of Mycobacterium smegmatis. This inhibition began almost immediately after exposure of the cells to the drug. When drug-resistant M. smegmatis ...

journal_title：Antimicrobial agents and chemotherapy

authors： Takayama K,Kilburn JO

更新日期：1989-09-01 00:00:00

abstract：:Replication of measles virus in BSC cells was studied in the presence of enflurane (2-chloro-1,1,2-trifluoroethyl difluoromethyl ether), a commonly used volatile anesthetic agent, and its isomer, isoflurane (1-chloro-2,2,2-trifluoroethyl difluoromethyl ether). At clinical concentrations of the anesthetics (up to 4%), ...

journal_title：Antimicrobial agents and chemotherapy

authors： Knight PR,Nahrwold ML,Bedows E

更新日期：1981-09-01 00:00:00

abstract：:Despite the availability of new antifungal compounds, invasive aspergillosis carries high morbidity and mortality in hematopoietic stem cell transplant recipients. In vitro studies and animal models suggest that the adoptive transfer of natural killer (NK) cells might be a promising immunotherapeutic option in this se...

journal_title：Antimicrobial agents and chemotherapy

authors： Schmidt S,Schubert R,Tramsen L,Lehrnbecher T

更新日期：2019-01-29 00:00:00

abstract：:At least four broad-spectrum efflux pumps (Mex) are involved in elevated intrinsic antibiotic resistance as well as in acquired multidrug resistance in Pseudomonas aeruginosa. Substrate specificity of the Mex pumps has been shown to be determined by the cytoplasmic membrane component (MexB, MexD, MexF, and MexY) of th...

journal_title：Antimicrobial agents and chemotherapy

authors： Aires JR,Pechère JC,Van Delden C,Köhler T

更新日期：2002-07-01 00:00:00

abstract：:lacZ fusion strains were constructed using the promoters of five cell wall stress stimulon genes: pbp2, tcaA, vraSR, sgtB, and lytR. All fusion strains were induced only in the presence of cell wall-active antibiotics, suggesting the potential of these strains for use in high-throughput screening for new cell wall-act...

journal_title：Antimicrobial agents and chemotherapy

authors： Steidl R,Pearson S,Stephenson RE,Ledala N,Sitthisak S,Wilkinson BJ,Jayaswal RK

更新日期：2008-08-01 00:00:00

abstract：:A series of 11 fluoroquinolone antibacterial agents, including 8 newly synthesized molecules and 3 reference compounds (pefloxacin, ciprofloxacin, and sparfloxacin), were tested for their MICs against Escherichia coli, Staphylococcus aureus, and Pseudomonas aeruginosa. The intracellular accumulation of fluoroquinolone...

journal_title：Antimicrobial agents and chemotherapy

authors： Bazile S,Moreau N,Bouzard D,Essiz M

更新日期：1992-12-01 00:00:00

abstract：:A fosmid library from genomic DNA of Streptomyces viridochromogenes DSM 40736 was constructed and screened for the presence of genes known to be involved in the biosynthesis of phosphinothricin tripeptide (PTT). Eight positives were identified, one of which was able to confer PTT biosynthetic capability upon Streptomy...

journal_title：Antimicrobial agents and chemotherapy

authors： Blodgett JA,Zhang JK,Metcalf WW

更新日期：2005-01-01 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：:Mutants of herpes simplex virus type 1, resistant to phosphonoformate (PFA) and phosphonoacetate (PAA), have been selected in cell culture. The PFA-resistant mutant (HSV-PFA(r)) and the PAA-resistant mutant (HSV-PAA(r)) were also resistant to PAA and PFA, respectively. This cross-resistance indicates that PFA and PAA ...

journal_title：Antimicrobial agents and chemotherapy

authors： Eriksson B,Oberg B

更新日期：1979-06-01 00:00:00

abstract：:The occurrence of resistance to last-resort antibiotics was evaluated among Enterobacteriaceae isolates recovered from hospitalized children in a remote African archipelago, São Tomé and Príncipe, where there is limited access to those antibiotics. Fifty patients were screened for colonization by carbapenem-, pan-amin...

journal_title：Antimicrobial agents and chemotherapy

authors： Poirel L,Aires-de-Sousa M,Kudyba P,Kieffer N,Nordmann P

更新日期：2018-08-27 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