Characterization of mechanisms of resistance to beta-lactam antibiotics in methicillin-resistant strains of Staphylococcus saprophyticus.

abstract：:Six strains of Staphylococcus aureus isolated from cystic fibrosis patients after treatment with azithromycin were cross-resistant to azithromycin and erythromycin. None of the isolates contained erm or msr(A) genes, but they all carried either A2058G/U or A2059G mutations within the rrl genes, with a majority of the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Prunier AL,Malbruny B,Tandé D,Picard B,Leclercq R

更新日期：2002-09-01 00:00:00

abstract：:The effect of 19 antimicrobial agents on human polymorphonuclear leukocyte function was evaluated by chemiluminescence assays, yeast phagocytosis and killing, and lactate dehydrogenase release. Tetracycline and trimethoprim inhibited chemiluminescence and reduced killing at therapeutic concentrations of 2 microgram/ml...

journal_title：Antimicrobial agents and chemotherapy

authors： Welch WD,Davis D,Thrupp LD

更新日期：1981-07-01 00:00:00

abstract：:A method utilizing immobilized major group rhinoviruses and biotinylated soluble intercellular adhesion molecule 1 has been developed for the detection of capsid binders. Binding measurements indicate a loss in relative affinity of biotinylated soluble intercellular adhesion molecule 1 for rhinoviruses by capsid binde...

journal_title：Antimicrobial agents and chemotherapy

authors： Last-Barney K,Marlin SD,Pal K,Cahill-Feehan C,McNally EJ,Jeanfavre DD,Merluzzi VJ

更新日期：1993-08-01 00:00:00

abstract：:Difloxacin, A-56620, cefazolin, cefotaxime, ceftizoxime, cephapirin, SK&F 88070, and spectinomycin were used to compare the in vitro susceptibilities of Mycobacterium avium-M. intracellular isolates from patients with acquired immunodeficiency syndrome (AIDS), patients without AIDS, and diseased animals. Against the i...

journal_title：Antimicrobial agents and chemotherapy

authors： Byrne SK,Geddes GL,Isaac-Renton JL,Black WA

更新日期：1990-07-01 00:00:00

abstract：:Ninety-four patients with recurrences of genital herpes were randomized in a double-blind trial to receive topical therapy for 5 days with either alpha-2a interferon at 30 X 10(6) IU/ml or 10 X 10(6) IU/ml or placebo six times daily. No differences were noted between either interferon dose and placebo with respect to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Eron LJ,Toy C,Salsitz B,Scheer RR,Wood DL,Nadler PI

更新日期：1987-07-01 00:00:00

abstract：:Candida albicans remains the leading causative agent of invasive fungal infection. Although the importance of filamentation in C. albicans pathogenesis has been extensively investigated, in vivo studies to date have been unable to dissect the role of this developmental process in the establishment of infection versus ...

journal_title：Antimicrobial agents and chemotherapy

authors： Saville SP,Lazzell AL,Bryant AP,Fretzen A,Monreal A,Solberg EO,Monteagudo C,Lopez-Ribot JL,Milne GT

更新日期：2006-10-01 00:00:00

abstract：:This study was undertaken to investigate biochemical, genetic, and epidemiological aspects of resistance to aminoglycoside antibiotics among 650 consecutive isolates of Pseudomonas aeruginosa from Parkland Memorial Hospital, Dallas, Tex. In 364 strains, minimal inhibitory concentrations were 25 mug/ml or greater for g...

journal_title：Antimicrobial agents and chemotherapy

authors： Holmes RK,Minshew BH,Gould IK,Sanford JP

更新日期：1974-09-01 00:00:00

abstract：:Bacterial protein synthesis is the target for numerous natural and synthetic antibacterial agents. We have developed a poly(U) mRNA-directed aminoacylation/translation protein synthesis system composed of phenyl-tRNA synthetases, ribosomes, and ribosomal factors from Escherichia coli. This system, utilizing purified c...

journal_title：Antimicrobial agents and chemotherapy

authors： Ribble W,Hill WE,Ochsner UA,Jarvis TC,Guiles JW,Janjic N,Bullard JM

更新日期：2010-11-01 00:00:00

abstract：:Clinical isolates of Trichomonas vaginalis were obtained from women consecutively enrolled in a study of partner notification. Testing of susceptibility to metronidazole and tinidazole was performed. Resistance to metronidazole and tinidazole was present in 17/178 (9.6%) and 1/178 (0.56%) strains, respectively. In vit...

journal_title：Antimicrobial agents and chemotherapy

authors： Schwebke JR,Barrientes FJ

更新日期：2006-12-01 00:00:00

abstract：:Resistance to piperaquine has been associated with the amplification of the plasmepsin II gene in Cambodia. None of the 175 African isolates that we analyzed had plasmepsin II gene amplification (piperaquine 50% inhibitory concentration ranged from 0.94 to 137.5 nM), suggesting there is a low prevalence of piperaquine...

journal_title：Antimicrobial agents and chemotherapy

authors： Robert MG,Foguim Tsombeng F,Gendrot M,Mosnier J,Amalvict R,Benoit N,Torrentino-Madamet M,Pradines B,French National Reference Centre for Imported Malaria Study Group.

更新日期：2018-10-24 00:00:00

abstract：:Mycobacterium simiae is a rare species of slow-growing nontuberculous mycobacteria (NTM). From 2002 to 2017, we conducted a retrospective study that included all patients with NTM-positive respiratory samples detected in two university hospitals of the French overseas department of Reunion Island. We recorded the prev...

journal_title：Antimicrobial agents and chemotherapy

authors： Coolen-Allou N,Touron T,Belmonte O,Gazaille V,Andre M,Allyn J,Picot S,Payet A,Veziris N

更新日期：2018-06-26 00:00:00

abstract：:The in vitro activities of amphotericin B, itraconazole, fluconazole, voriconazole, posaconazole, and ravuconazole against 39 isolates of Trichosporon spp. were determined by the NCCLS M27-A microdilution method. The azoles tested appeared to be more potent than amphotericin B. Low minimal fungicidal concentration/MIC...

journal_title：Antimicrobial agents and chemotherapy

authors： Paphitou NI,Ostrosky-Zeichner L,Paetznick VL,Rodriguez JR,Chen E,Rex JH

更新日期：2002-04-01 00:00:00

abstract：:To assess the potential for the induction of antimicrobial resistance following repeated subinhibitory exposures to the combination minocycline (MIN), rifampin (RIF), and chlorhexidine (CHX), a total of 29 clinical microbial pathogenic isolates were repeatedly exposed to subinhibitory concentrations of MIN, RIF, and C...

journal_title：Antimicrobial agents and chemotherapy

authors： Rosenblatt J,Vargas-Cruz N,Reitzel RA,Raad II

更新日期：2019-04-25 00:00:00

abstract：:Quadruple mutations in the Plasmodium falciparum dihydrofolate reductase (PFDHFR) enzyme give rise to the highest level of pyrimethamine resistance leading to treatment failures. We describe here the presence of these quadruple mutations in a majority of P. falciparum isolates from Car Nicobar (Andaman and Nicobar) Is...

journal_title：Antimicrobial agents and chemotherapy

authors： Ahmed A,Das MK,Dev V,Saifi MA,Wajihullah,Sharma YD

更新日期：2006-04-01 00:00:00

abstract：:The in vitro activity of GR-20263, a new aminothiazolyl cephalosporin, was compared with the activities of other beta-lactam antibiotics by using 800 clinical bacterial isolates. GR-20263 was highly active (inhibition of 90% of the isolates between 0.03 and 1 microgram/ml) against the common Enterobacteriaceae and 5 t...

journal_title：Antimicrobial agents and chemotherapy

authors： Verbist L,Verhaegen J

更新日期：1980-05-01 00:00:00

abstract：:Ten patients with acquired immunodeficiency syndrome with newly diagnosed cytomegalovirus (CMV) retinitis were treated with an induction regimen of intravenous foscarnet, 60 mg/kg of body weight, administered as a 2-h infusion and repeated every 8 h for 14 days. At the end of induction, 9 of 10 patients had stabilized...

journal_title：Antimicrobial agents and chemotherapy

authors： Jacobson MA,O'Donnell JJ,Mills J

更新日期：1989-05-01 00:00:00

abstract：:Major disagreements between two automated susceptibility test instruments, Autobac-1 and MS-2, generated from 4,213 tests on 630 bacterial isolates, were analyzed. The major disagreement rate between the instruments was only 7.4%. The highest major disagreement rates for bacteria were with Staphylococcus epidermidis, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lindsey NJ,Barnes WG

更新日期：1981-07-01 00:00:00

abstract：:To date, the majority of pharmacokinetic/pharmacodynamic (PK/PD) discussions have focused on PK/PD relationships evaluated at steady-state drug concentrations. However, a concern with reliance upon steady-state drug concentrations is that it ignores events occurring while the pathogen is exposed to intermittent subopt...

journal_title：Antimicrobial agents and chemotherapy

authors： Martinez MN,Papich MG,Drusano GL

更新日期：2012-06-01 00:00:00

abstract：:The effects of ceftizoxime and gentamicin alone and in combination were determined against 100 Pseudomonas aeruginosa strains. Concentrations of 32 micrograms of ceftizoxime and 8 micrograms of gentamicin per ml inhibited 22 and 43% of the strains, respectively. At concentrations of ceftizoxime and gentamicin that are...

journal_title：Antimicrobial agents and chemotherapy

authors： King JW,Penn RL

更新日期：1984-06-01 00:00:00

abstract：:Drug repurposing affords the implementation of new treatments at a moderate cost and under a faster time-scale. Most of the clinical drugs against Leishmania share this origin. The antidepressant sertraline has been successfully assayed in a murine model of visceral leishmaniasis. Nevertheless, sertraline targets in L...

journal_title：Antimicrobial agents and chemotherapy

authors： Lima ML,Abengózar MA,Nácher-Vázquez M,Martínez-Alcázar MP,Barbas C,Tempone AG,López-Gonzálvez Á,Rivas L

更新日期：2018-11-26 00:00:00

abstract：:Antibiotics are generally not effective against organisms in exopolysaccharide biofilms. A simple method of studying the effect of antibiotics on bacteria in established biofilms is reported. Escherichia coli ATCC 25922 cells grown overnight at 37 degrees C on Mueller-Hinton agar were suspended in buffer and dispensed...

journal_title：Antimicrobial agents and chemotherapy

authors： Prosser BL,Taylor D,Dix BA,Cleeland R

更新日期：1987-10-01 00:00:00

abstract：:We studied the influence of the lipid/amphotericin B (AMB) ratio and the phospholipid type on the in vitro renal cell toxicity and antifungal efficacy of lipid-associated AMB (L-AMB). L-AMB was prepared at one of two different lipid/AMB ratios (1 and 40) by incubating AMB with empty small unilamellar vesicles, made fr...

journal_title：Antimicrobial agents and chemotherapy

authors： Joly V,Bolard J,Saint-Julien L,Carbon C,Yeni P

更新日期：1992-02-01 00:00:00

abstract：:We have quantified the biological cost of VanA-type glycopeptide resistance due to the acquisition of the resistance operon by methicillin-resistant Staphylococcus aureus (MRSA) from Enterococcus sp. Exponential growths of recipient strain HIP11713, its transconjugant VRSA-1, VRSA-5, and VRSA-6 were compared in the ab...

journal_title：Antimicrobial agents and chemotherapy

authors： Foucault ML,Courvalin P,Grillot-Courvalin C

更新日期：2009-06-01 00:00:00

abstract：:There is increasing interest in the use of lipophilic copper (Cu)-containing complexes to combat bacterial infections. In this work, we showed that Cu complexes with bis(thiosemicarbazone) ligands [Cu(btsc)] exert antibacterial activity against a range of medically significant pathogens. Previous work using Neisseria ...

journal_title：Antimicrobial agents and chemotherapy

authors： Djoko KY,Goytia MM,Donnelly PS,Schembri MA,Shafer WM,McEwan AG

更新日期：2015-10-01 00:00:00

abstract：:Deciphering the mode of action (MOA) of new antibiotics discovered through phenotypic screening is of increasing importance. Metabolomics offers a potentially rapid and cost-effective means of identifying modes of action of drugs whose effects are mediated through changes in metabolism. Metabolomics techniques also co...

journal_title：Antimicrobial agents and chemotherapy

authors： Vincent IM,Ehmann DE,Mills SD,Perros M,Barrett MP

更新日期：2016-03-25 00:00:00

abstract：:9-R-[2-(Phosphonomethoxy)propyl]-adenine (tenofovir) is an acyclic nucleoside phosphonate with antiviral activity against human immunodeficiency virus type 1 (HIV-1) and hepatitis B virus (HBV). Tenofovir is not orally bioavailable but becomes orally active against HIV-1 infection as the disoproxil ester (tenofovir di...

journal_title：Antimicrobial agents and chemotherapy

authors： Painter GR,Almond MR,Trost LC,Lampert BM,Neyts J,De Clercq E,Korba BE,Aldern KA,Beadle JR,Hostetler KY

更新日期：2007-10-01 00:00:00

abstract：:We describe the clinical outcome of 17 patients with secondary Acinetobacter bacteremia whose isolates had a tigecycline MIC of ≤2 mg/liter and who received tigecycline within 2 days of bacteremia onset. The 14-day mortality rate of the tigecycline cohort was 41.2% (7/17), which was significantly higher than that of t...

journal_title：Antimicrobial agents and chemotherapy

authors： Liou BH,Lee YT,Kuo SC,Liu PY,Fung CP

更新日期：2015-01-01 00:00:00

abstract：:A novel plasmid-borne resistance gene cluster comprising the genes erm(T) for macrolide-lincosamide-streptogramin B resistance, dfrK for trimethoprim resistance, and tet(L) for tetracycline resistance was identified in a porcine methicillin-resistant Staphylococcus aureus sequence type 398 (ST398) strain. This erm(T)-...

journal_title：Antimicrobial agents and chemotherapy

authors： Kadlec K,Schwarz S

更新日期：2010-02-01 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：:In a sample of 6,156 sequences from 4,183 persons, the top 30 patterns of protease inhibitor, nucleoside reverse transcriptase (RT) inhibitor, and nonnucleoside RT inhibitor mutations accounted for 55, 46, and 66%, respectively, of sequences with drug resistance mutations. Characterization of the phenotypic and clinic...

journal_title：Antimicrobial agents and chemotherapy

authors： Rhee SY,Liu T,Ravela J,Gonzales MJ,Shafer RW

更新日期：2004-08-01 00:00:00