In Vivo Characterization of the Activation and Interaction of the VanR-VanS Two-Component Regulatory System Controlling Glycopeptide Antibiotic Resistance in Two Related Streptomyces Species.

abstract：:Here, we report the isolation of 31 Acinetobacter baumannii strains producing OXA-253 in a single large Brazilian city. These strains belonged to five different sequence types (STs), including 4 STs not previously associated with blaOXA-253 In all strains, the blaOXA-253 gene was located in a plasmid within a genetic ...

journal_title：Antimicrobial agents and chemotherapy

authors： de Sá Cavalcanti FL,Mendes-Marques CL,Vasconcelos CR,de Lima Campos T,Rezende AM,Xavier DE,Leal NC,de-Melo-Neto OP,de Morais MM,Leal-Balbino TC

更新日期：2016-12-27 00:00:00

abstract：:RU44790 belongs to a new class of synthetic monocyclic beta-lactam antibiotics which feature a bioisosteric tetrazole moiety instead of the more classical acidic functions at the N-1 position of the beta-lactam ring. Its antibacterial activity was evaluated against some 900 strains and was compared with those of other...

journal_title：Antimicrobial agents and chemotherapy

authors： Chantot JF,Klich M,Teutsch G,Bryskier A,Collette P,Markus A,Seibert G

更新日期：1992-08-01 00:00:00

abstract：:Similar to Neisseria gonorrhoeae, tetracycline-resistant isolates of N. meningitidis, Kingella denitrificans, and Eikenella corrodens contained 25.2-megadalton plasmids carrying the TetM determinant. In contrast, tetracycline-resistant N. subflava biovar perflava-N. sicca and N. mucosa isolates carried the TetM determ...

journal_title：Antimicrobial agents and chemotherapy

authors： Knapp JS,Johnson SR,Zenilman JM,Roberts MC,Morse SA

更新日期：1988-05-01 00:00:00

abstract：:We investigated the in vivo effects of rufloxacin and ciprofloxacin on T-cell subsets and tumor necrosis factor production in mice infected with Bacteroides fragilis. These quinolones did not alter the helper/suppressor ratio but did modulate the kinetics of tumor necrosis factor production in infected animals. This r...

journal_title：Antimicrobial agents and chemotherapy

authors： Gollapudi SV,Chuah SK,Harvey T,Thadepalli HD,Thadepalli H

更新日期：1993-08-01 00:00:00

abstract：:Chlorhexidine (Hibiscrub; ICI) is generally accepted to be effective as an antiseptic hand wash for methicillin-susceptible Staphylococcus aureus (MSSA), but there is dispute whether the chlorhexidine MIC for methicillin-resistant S. aureus (MRSA) strains is higher than that for MSSA strains and, indeed, whether it is...

journal_title：Antimicrobial agents and chemotherapy

authors： Cookson BD,Bolton MC,Platt JH

更新日期：1991-10-01 00:00:00

abstract：:After vaginal insertion of a 300-mg ovule of tioconazole in 10 patients with vaginal candidiasis, the mean concentration in plasma was 21.2 ng/ml (range, 10.6 to 35.8 ng/ml) at 8 h and was not measurable at 24 h in 9 of 10 patients. The mean vaginal concentration at 24 h was 21.4 mg/liter (range, 2.4 to 50 mg/liter) a...

journal_title：Antimicrobial agents and chemotherapy

authors： Houang ET,Lawrence AG

更新日期：1985-06-01 00:00:00

abstract：:The antimalarial drug quinine has been shown to impair human polymorphonuclear leukocyte (PMN) functions. To gain insight into the mechanism of this phenomenon, we investigated quinine uptake by PMN with a fluorometric assay based on the fluorescence properties of this drug. After 30 min of incubation at 37 degrees C ...

journal_title：Antimicrobial agents and chemotherapy

authors： el Benna J,Pasquier C,Labro MT

更新日期：1991-07-01 00:00:00

abstract：:The role of extracellular DNA in the maintenance of biofilms formed by gram-positive and gram-negative bacteria was studied. This study evaluated all the bacterial strains that were tested for the presence of extracellular DNA with an average size of 30 kb in the matrix. Our results indicate changes in community bioma...

journal_title：Antimicrobial agents and chemotherapy

authors： Tetz GV,Artemenko NK,Tetz VV

更新日期：2009-03-01 00:00:00

abstract：:We examined the in vitro susceptibilities of three reference strains and 41 recent clinical isolates of herpes simplex virus types 1 and 2 to 5-ethyl-2'-deoxyuridine. This thymidine analog exerts a type 2-preferential but not a type 2-specific antiviral effect. Utilizing a microtiter assay with BHK-21 cells, we found ...

journal_title：Antimicrobial agents and chemotherapy

authors： Teh CZ,Sacks SL

更新日期：1983-05-01 00:00:00

abstract：:We undertook a prospective, randomized comparison of oral ciprofloxacin with standard parenteral therapies for the treatment of biopsy-proven osteomyelitis caused by susceptible organisms. Following surgical debridement, the ciprofloxacin patients received 750 mg twice a day, and the other patients received a broad-sp...

journal_title：Antimicrobial agents and chemotherapy

authors： Gentry LO,Rodriguez GG

更新日期：1990-01-01 00:00:00

abstract：:Infection with human cytomegalovirus (HCMV) continues to be a major threat for pregnant women and the immunocompromised population. Although several anti-HCMV therapies are available, the development of new anti-HCMV agents is highly desired. There is growing interest in identifying compounds that might inhibit HCMV b...

journal_title：Antimicrobial agents and chemotherapy

authors： Kapoor A,Cai H,Forman M,He R,Shamay M,Arav-Boger R

更新日期：2012-09-01 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：:Seventy-two A. fumigatus clinical isolates from China were investigated for azole resistance based on mutations of cyp51A. We identified four azole-resistant strains, among which we found three strains highly resistant to itraconazole, two of which exhibit the TR34/L98H/S297T/F495I mutation, while one carries only the...

journal_title：Antimicrobial agents and chemotherapy

authors： Liu M,Zeng R,Zhang L,Li D,Lv G,Shen Y,Zheng H,Zhang Q,Zhao J,Zheng N,Liu W

更新日期：2015-07-01 00:00:00

abstract：:The use of gentamicin to control contamination in a tissue culture system for the isolation of Chlamydia was investigated. Gentamicin, at concentrations up to 100 mug/ml, did not appear to inhibit the growth of stock chlamydial strains, as judged by assays for iodine-staining inclusions. When 343 cervical and urethral...

journal_title：Antimicrobial agents and chemotherapy

authors： Wentworth BB

更新日期：1973-06-01 00:00:00

abstract：:We tested the combined activity of vancomycin and seven beta-lactam antibiotics against Staphylococcus aureus clinical strain Mu3, which displays heterogeneous resistance to vancomycin. When combined with vancomycin, four of the seven tested beta-lactams exhibited an additive effect at or near their MICs, while all sh...

journal_title：Antimicrobial agents and chemotherapy

authors： Aritaka N,Hanaki H,Cui L,Hiramatsu K

更新日期：2001-04-01 00:00:00

abstract：:Bactericidal activity in serum produced after administration of 1-g intravenous doses of cefoperazone, cefotaxime, ceftizoxime, and moxalactam was ascertained in six healthy subjects. The assay organisms were a strain of Staphylococcus aureus which was moderately susceptible to the drugs (MBC, 2 to 8 micrograms/ml) an...

journal_title：Antimicrobial agents and chemotherapy

authors： Barriere SL,Ozasa DC,Mordenti J

更新日期：1985-07-01 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：:One hundred clinical isolates of methicillin-resistant (Metr) Staphylococcus aureus from five different geographical origins were tested for their susceptibility to 12 non-beta-lactam antibiotics by the broth microdilution technique recommended by the National Committee for Clinical Laboratory Standards. Coumermycin a...

journal_title：Antimicrobial agents and chemotherapy

authors： Aldridge KE,Janney A,Sanders CV

更新日期：1985-11-01 00:00:00

abstract：:Cinodine, a broad-spectrum glycocinnamoylspermidine antibiotic, binds to DNA and irreversibly inhibits bacterial and phase DNA synthesis. Cinodine was found to inhibit the activity of Micrococcus luteus DNA gyrase in vitro, but it did not inhibit the activities of two other DNA-binding enzymes, namely, topoisomerase I...

journal_title：Antimicrobial agents and chemotherapy

authors： Osburne MS,Maiese WM,Greenstein M

更新日期：1990-07-01 00:00:00

abstract：:Mycobacterium ulcerans causes Buruli ulcer, a potentially disabling ulcerative skin disease. Only recently was antimicrobial therapy proven effective. Treatment for 2 months with rifampin plus streptomycin was first proposed after experiments in the mouse footpad model demonstrated bactericidal activity. This treatmen...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang T,Li SY,Converse PJ,Almeida DV,Grosset JH,Nuermberger EL

更新日期：2011-01-01 00:00:00

abstract：:To determine if saquinavir mesylate (saquinavir) is a substrate of human multidrug resistance-associated protein 1 (hMRP1 [ABCC1]) or hMRP2 (cMOAT, or ABCC2), MDCKII cells that overexpress either hMRP1 (MDCKII-MRP1) or hMRP2 (MDCKII-MRP2) were used to investigate saquinavir's cytotoxicity and transport in comparison w...

journal_title：Antimicrobial agents and chemotherapy

authors： Williams GC,Liu A,Knipp G,Sinko PJ

更新日期：2002-11-01 00:00:00

abstract：:Hard-tick-borne relapsing fever (HTBRF) is an emerging infectious disease throughout the temperate zone caused by the relapsing-fever spirochete Borrelia miyamotoi Antibiotic treatment of HTBRF is empirically based on the treatment of Lyme borreliosis; however, the antibiotic susceptibility of B. miyamotoi has not bee...

journal_title：Antimicrobial agents and chemotherapy

authors： Koetsveld J,Draga ROP,Wagemakers A,Manger A,Oei A,Visser CE,Hovius JW

更新日期：2017-08-24 00:00:00

abstract：:Streptococcus pneumoniae is a leading cause of pneumonia, meningitis, septicemia, and middle ear infections. The incidence of S. pneumoniae isolates that are not susceptible to penicillin has risen worldwide and may be above 20% in some countries. Beta-lactam antibiotic resistance in pneumococci is associated with sig...

journal_title：Antimicrobial agents and chemotherapy

authors： Jensen A,Valdórsson O,Frimodt-Møller N,Hollingshead S,Kilian M

更新日期：2015-01-01 00:00:00

abstract：:We administered 2 g of ceftazidime intravenously every 8 h to cancer patients for the empiric therapy of febrile episodes. Ceftazidime was administered as monotherapy for patients with granulocyte counts in excess of 1,000/microliter. Febrile, neutropenic patients were randomized to also receive either piperacillin or...

journal_title：Antimicrobial agents and chemotherapy

authors： Drusano GL,Joshi J,Forrest A,Ruxer R,Standiford H,Leslie J,Wade J,Schimpff S

更新日期：1985-04-01 00:00:00

abstract：:The activity of cephradine and the influence of pH on its activity against 70 Gardnerella vaginalis strains were determined. Serial dilutions of cephradine (0.062 to 256 micrograms/ml) were incorporated into Dunkelberg agar, inoculated with a Steers replicator, incubated in 5% CO2 for 48 h, and examined. The minimal i...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Kwok YY,Sutter VL

更新日期：1983-09-01 00:00:00

abstract：:Malaria is the third most significant cause of infectious disease in the world. The search for new antimalarial chemotherapy has become increasingly urgent due to parasite resistance to classical drugs. Trioxaquines are synthetic hybrid molecules containing a trioxane motif (which is responsible for the antimalarial a...

journal_title：Antimicrobial agents and chemotherapy

authors： Benoit-Vical F,Lelièvre J,Berry A,Deymier C,Dechy-Cabaret O,Cazelles J,Loup C,Robert A,Magnaval JF,Meunier B

更新日期：2007-04-01 00:00:00

abstract：:Exposure of erythromycin solutions to CO(2) or air for 18 h resulted in minimal deterioration under both conditions. Saturated disks exposed to the two atmospheres resulted in greater erythromycin deterioration, with slightly more deterioration occurring in the presence of CO(2). Reduction of activity was greatest whe...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Sutter VL

更新日期：1983-02-01 00:00:00

abstract：:Population distributions and quality control data for strains of Pseudomonas aeruginosa tested for gentamicin susceptibility on six lots of Mueller-Hinton agar were analyzed. The lots of agar were used in three University of Washington hospitals from April 1975 through October 1977. The analyses indicated that the per...

journal_title：Antimicrobial agents and chemotherapy

authors： Pollock HM,Minshew BH,Kenny MA,Schoenknecht FD

更新日期：1978-09-01 00:00:00

abstract：:A portion of the Mycobacterium tuberculosis gene encoding the beta subunit of RNA polymerase (rpoB) was amplified by PCR using degenerate oligonucleotides and used as a hybridization probe to isolate plasmid clones carrying the entire rpoB gene of M. tuberculosis H37Rv, a virulent, rifampin-susceptible strain. Sequenc...

journal_title：Antimicrobial agents and chemotherapy

authors： Miller LP,Crawford JT,Shinnick TM

更新日期：1994-04-01 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