MarA-like regulator of multidrug resistance in Yersinia pestis.

abstract：:We determined the nucleotide sequence of the blaOXA-3(pMG25) gene from Pseudomonas aeruginosa. The bla structural gene encoded a protein of 275 amino acids representing one monomer of 31,879 Da for the OXA-3 enzyme. Comparisons between the OXA-3 nucleotide and amino acid sequences and those of class A, B, C, and D bet...

journal_title：Antimicrobial agents and chemotherapy

authors： Sanschagrin F,Couture F,Levesque RC

更新日期：1995-04-01 00:00:00

abstract：:We applied in vitro evolution to an Escherichia coli strain containing bla(CTX-M-2) and obtained 10 independent mutant bla(CTX-M-2) alleles that confer elevated resistance to ceftazidime (MIC > or = 32 microg/ml) but lost the ability to confer resistance to cefepime. All alleles had a Pro-to-Ser substitution at positi...

journal_title：Antimicrobial agents and chemotherapy

authors： Welsh KJ,Barlow M,Tenover FC,Biddle JW,Rasheed JK,Clark LA,McGowan JE Jr

更新日期：2005-03-01 00:00:00

abstract：:We investigated the contribution of multidrug resistance-associated protein 2 (MRP2) to the secretory transport of grepafloxacin and compared its functional role with that of P-glycoprotein (P-gp) by using Sprague-Dawley rats (SDRs) and Eisai hyperbilirubinemic rats (EHBRs), in which MRP2 is hereditarily defective. In...

journal_title：Antimicrobial agents and chemotherapy

authors： Naruhashi K,Tamai I,Inoue N,Muraoka H,Sai Y,Suzuki N,Tsuji A

更新日期：2002-02-01 00:00:00

abstract：:Minibacterium massiliensis strain CIP107820 is a recently discovered waterborne Gram-negative rod isolated from hospital water samples. It harbors a chromosomally located gene encoding an Ambler class A extended-spectrum β-lactamase termed MIN-1, sharing 56%, 54%, and 51% amino acid identities with β-lactamases LUT-1,...

journal_title：Antimicrobial agents and chemotherapy

authors： Bercot B,Nordmann P,Drancourt M,Poirel L

更新日期：2012-07-01 00:00:00

abstract：:Antibiotic resistance in bacteria is ever changing and adapting, as once-novel β-lactam antibiotics are losing their efficacy, primarily due to the production of β-lactamases. Metallo-β-lactamases (MBLs) efficiently inactivate a broad range of β-lactam antibiotics, including carbapenems, and are often coexpressed with...

journal_title：Antimicrobial agents and chemotherapy

authors： LaCuran AE,Pegg KM,Liu EM,Bethel CR,Ai N,Welsh WJ,Bonomo RA,Oelschlaeger P

更新日期：2015-12-01 00:00:00

abstract：:The most appropriate vancomycin dosing strategy in pediatric patients weighing ≥70 kg (weight based versus non-weight based) to achieve an area under the concentration-time curve (AUC) of ≥400 mg·liter/h and a trough concentration of <20 mg/liter is not known. Population pharmacokinetic analysis determined that dosing...

journal_title：Antimicrobial agents and chemotherapy

authors： Moffett BS,Ivaturi V,Morris J,Akcan Arikan A,Dutta A

更新日期：2019-03-27 00:00:00

abstract：:Berberine sulfate is an alkaloid extracted from the roots and bark of various plants and possesses antibacterial, antifungal, and antiprotozoal activities. Most studies have focused on the bacteriostatic or bactericidal activities of this compound. In this study, we report that berberine sulfate is bacteriostatic for ...

journal_title：Antimicrobial agents and chemotherapy

authors： Sun D,Courtney HS,Beachey EH

更新日期：1988-09-01 00:00:00

abstract：:The new fluoroquinolone trovafloxacin was tested against a ciprofloxacin-sensitive, methicillin-resistant Staphylococcus aureus strain in the rabbit model of endocarditis. Trovafloxacin was more effective than vancomycin (CFU/g of vegetation, 2.65 +/- 1.87 versus 4.54 +/- 2.80 [mean +/- standard deviation]; P < 0.05) ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kim YS,Liu Q,Chow LL,Chambers HF,Täuber MG

更新日期：1998-12-01 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 opportunistic Gram-negative pathogen Pseudomonas aeruginosa, known for its intrinsic and acquired antibiotic resistance, has a notorious ability to form biofilms, which often facilitate chronic infections. The evolutionary paths to antibiotic resistance have mainly been investigated in planktonic cultures and are ...

journal_title：Antimicrobial agents and chemotherapy

authors： Ahmed MN,Porse A,Sommer MOA,Høiby N,Ciofu O

更新日期：2018-07-27 00:00:00

abstract：:NK-2, a membrane-acting antimicrobial peptide, was derived from the cationic core region of porcine NK-lysin and consists of 27 amino acid residues. It adopts an amphipathic, alpha-helical secondary structure and has been shown to interact specifically with membranes of negatively charged lipids. We therefore investig...

journal_title：Antimicrobial agents and chemotherapy

authors： Andrä J,Koch MH,Bartels R,Brandenburg K

更新日期：2004-05-01 00:00:00

abstract：:P128 is an antistaphylococcal protein, comprising a cell wall-degrading enzymatic region and a Staphylococcus-specific binding region, which possesses specific and potent bactericidal activity against sensitive and drug-resistant strains of Staphylococcus aureus To explore P128's ability to kill S. aureus in a range o...

journal_title：Antimicrobial agents and chemotherapy

authors： Nair S,Desai S,Poonacha N,Vipra A,Sharma U

更新日期：2016-11-21 00:00:00

abstract：:A disk bioassay for determining clindamycin serum levels is presented. This method is rapid (results available in 6.0 to 6.5 h), reliable, and simple to perform. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Liberman DF,Fitzgerald J,Robertson RG

更新日期：1974-05-01 00:00:00

abstract：:Polyclonal antibodies elicited by injection into rabbits of a nystatin-bovine serum albumin conjugate were reactive with both nystatin and amphotericin B. Upon labeling of polyene-treated Saccharomyces cerevisiae sterol auxotrophs grown on various sterols, nystatin reacted specifically with ergosterol, while amphoteri...

journal_title：Antimicrobial agents and chemotherapy

authors： Walker-Caprioglio HM,MacKenzie JM,Parks LW

更新日期：1989-12-01 00:00:00

abstract：:Human immunodeficiency virus type 1 (HIV-1) produces two polyproteins, Pr55(Gag) and Pr160(Gag-Pol), that are cleaved into mature functional subunits by the virally encoded protease. Drugs that inhibit this protease are an important part of anti-HIV therapy. We studied the ordered accumulation of Gag and Gag-Pol proce...

journal_title：Antimicrobial agents and chemotherapy

authors： Speck RR,Flexner C,Tian CJ,Yu XF

更新日期：2000-05-01 00:00:00

abstract：:Three sizes of inserted regions of DNA (800, 1,000, and 1,500 bp) were shown to be common among class I integrons in unrelated clinical isolates of Enterobacteriaceae from different European hospitals. Sequencing showed that 800-bp inserted regions comprised identical sequences including aacA4, that 1,000-bp inserted ...

journal_title：Antimicrobial agents and chemotherapy

authors： Martinez-Freijo P,Fluit AC,Schmitz FJ,Verhoef J,Jones ME

更新日期：1999-03-01 00:00:00

abstract：:Mutations in liaFSR, a three-component regulatory system controlling cell-envelope stress response, were recently linked with the emergence of daptomycin (DAP) resistance in enterococci. Our previous work showed that a liaF mutation increased the DAP MIC of a vancomycin-resistant Enterococcus faecalis strain from 1 to...

journal_title：Antimicrobial agents and chemotherapy

authors： Munita JM,Panesso D,Diaz L,Tran TT,Reyes J,Wanger A,Murray BE,Arias CA

更新日期：2012-08-01 00:00:00

abstract：:Although obesity is prevalent among children in the United States, pharmacokinetic (PK) data for obese children are limited. Clindamycin is a commonly used antibiotic that may require dose adjustment in obese children due to its lipophilic properties. We performed a clindamycin population PK analysis using data from t...

journal_title：Antimicrobial agents and chemotherapy

authors： Smith MJ,Gonzalez D,Goldman JL,Yogev R,Sullivan JE,Reed MD,Anand R,Martz K,Berezny K,Benjamin DK Jr,Smith PB,Cohen-Wolkowiez M,Watt K,Best Pharmaceuticals for Children Act—Pediatric Trials Network Steering Committee.

更新日期：2017-03-24 00:00:00

abstract：:The mortality rate associated with Vibrio vulnificus sepsis remains high. An in vitro time-kill assay revealed synergism between tigecycline and ciprofloxacin. The survival rate was significantly higher in mice treated with tigecycline plus ciprofloxacin than in mice treated with cefotaxime plus minocycline. Thus, com...

journal_title：Antimicrobial agents and chemotherapy

authors： Kim SE,Kim HK,Choi SM,Yu Y,Kim UJ,Darboe KS,Kang SJ,Park KH,Kang G,Kim YR,Rhee JH,Jung SI,Jang HC

更新日期：2019-09-23 00:00:00

abstract：:Thirty-five strains of Pasteurella multocida from humans and animals were tested for susceptibility to five cephalosporins by a broth dilution method. Cefcanel showed high activity against all isolates (MIC and MBC, less than or equal to 0.64 micrograms/ml). The corresponding figure for cefaclor and cefuroxime was 2.5...

journal_title：Antimicrobial agents and chemotherapy

authors： Holst E,Rollof J,Miörner H

更新日期：1989-12-01 00:00:00

abstract：:Although human immunodeficiency virus (HIV) coinfection is the most important risk factor for a poor antituberculosis (anti-TB) treatment response, its effect on the pharmacokinetics of the first-line drugs in children is understudied. This study examined the pharmacokinetics of the four first-line anti-TB drugs in ch...

journal_title：Antimicrobial agents and chemotherapy

authors： Antwi S,Yang H,Enimil A,Sarfo AM,Gillani FS,Ansong D,Dompreh A,Orstin A,Opoku T,Bosomtwe D,Wiesner L,Norman J,Peloquin CA,Kwara A

更新日期：2017-01-24 00:00:00

abstract：:The global control of tuberculosis (TB) is at risk by the spread of multidrug-resistant TB (MDR TB). Treatment of MDR TB is lengthy and involves injected drugs, such as capreomycin, that have severe side effects. It was previously reported that a single daily dose of inhaled capreomycin had a positive effect on the ba...

journal_title：Antimicrobial agents and chemotherapy

authors： Garcia-Contreras L,Muttil P,Fallon JK,Kabadi M,Gerety R,Hickey AJ

更新日期：2012-05-01 00:00:00

abstract：:Amphotericin B (AMB) has been a mainstay therapy for fungal infections of the central nervous system, but its use has been limited by its poor penetration into the brain, the mechanism of which remains unclear. In this study, we aimed to investigate the role of P-glycoprotein (P-gp) in AMB crossing the blood-brain bar...

journal_title：Antimicrobial agents and chemotherapy

authors： Wu JQ,Shao K,Wang X,Wang RY,Cao YH,Yu YQ,Lou JN,Chen YQ,Zhao HZ,Zhang QQ,Weng XH,Jiang C,Zhu LP

更新日期：2014-08-01 00:00:00

abstract：:The dissociation constants for binding to ribosomes from Escherichia coli and concentrations at which 50% inhibition of [(14)C]erythromycin binding to ribosomes occurred were determined for 45 erythromycin analogues. These values were correlated with their antibacterial activities against Bacillus subtilis. Compounds ...

journal_title：Antimicrobial agents and chemotherapy

authors： Pestka S,Lemahieu R,Miller P

更新日期：1974-10-01 00:00:00

abstract：:TBR-652 is a novel CCR5 antagonist with potent in vitro anti-HIV activity. The objective of this study was to determine the pharmacokinetics (PK) and pharmacodynamics (PD) of TBR-652 in HIV-1-infected, antiretroviral treatment-experienced, CCR5 antagonist-naïve patients. A double-blind, placebo-controlled, randomized,...

journal_title：Antimicrobial agents and chemotherapy

authors： Marier JF,Trinh M,Pheng LH,Palleja SM,Martin DE

更新日期：2011-06-01 00:00:00

abstract：:Despite the marketing of a series of new antibiotics for antibiotic-resistant gram-positive bacteria, no new agents for multiple-antibiotic-resistant gram-negative infections will be available for quite some time. Clinicians will need to find more effective ways to utilize available agents. Colistin is an older but no...

journal_title：Antimicrobial agents and chemotherapy

authors： Gunderson BW,Ibrahim KH,Hovde LB,Fromm TL,Reed MD,Rotschafer JC

更新日期：2003-03-01 00:00:00

abstract：:Resistance to linezolid (LZD) in methicillin-resistant Staphylococcus aureus (MRSA) isolates from patients with cystic fibrosis (CF) is due mainly to ribosomal mutations. We report on four CF patients with LZD-resistant MRSA bronchopulmonary infections by strains carrying the cfr gene. Strains from one patient also ha...

journal_title：Antimicrobial agents and chemotherapy

authors： de Dios Caballero J,Pastor MD,Vindel A,Máiz L,Yagüe G,Salvador C,Cobo M,Morosini MI,del Campo R,Cantón R,GEIFQ Study Group.

更新日期：2015-12-14 00:00:00

abstract：:A rapid (6-7 hr), modified Kirby-Bauer disk-susceptibility method, by which derivatives of tetrazolium dyes are used to enhance delineation between areas of growth and zones of inhibition, has been developed. Inoculated petri plates, prepared by the Kirby-Bauer method, were sprayed, after 6 to 7 hr of incubation (37 C...

journal_title：Antimicrobial agents and chemotherapy

authors： Boyle VJ,Fancher ME,Ross RW Jr

更新日期：1973-03-01 00:00:00

abstract：:The antibiotic susceptibilities of 43 strains of Escherichia coli O157:H7 identified in the summer of 1996 in Japan were investigated. Growth of 90% of O157 strains was inhibited at a concentration of < or = 0.5 micro/ml by several agents including fosfomycin with glucose-6-phosphate. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Tsuboi I,Ida H,Yoshikawa E,Hiyoshi S,Yamaji E,Nakayama I,Nonomiya T,Shigenobu F,Shimizu M,O'Hara K,Sawai T,Mizuoka K

更新日期：1998-02-01 00:00:00

abstract：:A total of 20 serious infections were treated with piperacillin. These infections included bacteremias (5), pneumonias (5), urinary tract infections (5), soft tissue infections (3), septic arthritis (1), and osteomyelitis (1). The most common bacterial pathogen was Pseudomonas aeruginosa, accounting for eight infectio...

journal_title：Antimicrobial agents and chemotherapy

authors： Simon GL,Snydman DR,Tally FP,Gorbach SL

更新日期：1980-07-01 00:00:00