Purification of a streptococcal bacteriocin (viridin B) and its separation from alpha-hemolysin.

abstract：:The antimicrobial treatment of multidrug-resistant (MDR) Acinetobacter baumannii infections has become a great challenge for medical staff all over the world. Increasing numbers of MDR A. baumannii infections have been identified and reported, but effective clinical treatments for them are decreasing. The objective of...

journal_title：Antimicrobial agents and chemotherapy

authors： Bai Y,Liu B,Wang T,Cai Y,Liang B,Wang R,Liu Y,Wang J

更新日期：2015-03-01 00:00:00

abstract：:The rate of nonsusceptibility of penicillin-resistant Streptococcus pneumoniae strains to ceftriaxone increased significantly in Taiwan in 2005. Approximately 90% of the ceftriaxone-nonsusceptible isolates were found to be of four major serotypes (serotypes 6B, 14, 19F, and 23F). Seven amino acid alterations in the pe...

journal_title：Antimicrobial agents and chemotherapy

authors： Chiu CH,Su LH,Huang YC,Lai JC,Chen HL,Wu TL,Lin TY

更新日期：2007-09-01 00:00:00

abstract：:The intrapulmonary pharmacokinetics of azithromycin, clarithromycin, ciprofloxacin, and cefuroxime were studied in 68 volunteers who received single, oral doses of azithromycin (0.5 g), clarithormycin (0.5 g), ciprofloxacin (0.5 g), or cefuroxime (0.5 g). In subgroups of four subjects each, the subjects underwent bron...

journal_title：Antimicrobial agents and chemotherapy

authors： Conte JE Jr,Golden J,Duncan S,McKenna E,Lin E,Zurlinden E

更新日期：1996-07-01 00:00:00

abstract：:Twelve straight-chain esters, C(5) to C(14), C(16), and C(18), of p-hydroxybenzoic acid were prepared, and their melting points, solubilities in water at 25 degrees C, infrared spectra, dissociation constants (pK(a)), and activities against Clostridium botulinum were determined. These studies also included four commer...

journal_title：Antimicrobial agents and chemotherapy

authors： Dymicky M,Huhtanen CN

更新日期：1979-06-01 00:00:00

abstract：:With the aim of investigating home therapy for enterococcal endocarditis, we compared the efficacy of teicoplanin combined with gentamicin given once a day or in three daily doses (t.i.d.) with the standard treatment, ampicillin plus gentamicin administered t.i.d., for treating experimental enterococcal endocarditis. ...

journal_title：Antimicrobial agents and chemotherapy

authors： López P,Gavaldà J,Martin MT,Almirante B,Gomis X,Azuaje C,Borrell N,Pou L,Falcó V,Pigrau C,Pahissa A

更新日期：2001-05-01 00:00:00

abstract：:The most widely used drug for treatment of candidiasis is fluconazole (FCZ). Recently, a new derivative of 1,4-benzothiazine, compound FS5, was developed. FS5 had an appreciable protective effect against murine candidiasis. The present study was designed to dissect the antifungal mechanisms triggered by FS5 and to est...

journal_title：Antimicrobial agents and chemotherapy

authors： Pitzurra L,Fringuelli R,Perito S,Schiaffella F,Barluzzi R,Bistoni F,Vecchiarelli A

更新日期：1999-09-01 00:00:00

abstract：:Fragments (414 bp) of the gene-encoding ribosomal protein L16 from Enterococcus faecium and Enterococcus faecalis that were resistant and susceptible to the oligosaccharide antibiotics avilamycin and evernimicin (SCH 27899) were sequenced and compared. The susceptible E. faecalis and E. faecium isolates had sequences ...

journal_title：Antimicrobial agents and chemotherapy

authors： Aarestrup FM,Jensen LB

更新日期：2000-12-01 00:00:00

abstract：:High dosages of ceftriaxone are used to treat central nervous system (CNS) infections. Dosage adaptation according to the glomerular filtration rate is currently not recommended. Ceftriaxone pharmacokinetics (PK) was investigated by a population approach in patients enrolled in a French multicenter prospective cohort ...

journal_title：Antimicrobial agents and chemotherapy

authors： Grégoire M,Dailly E,Le Turnier P,Garot D,Guimard T,Bernard L,Tattevin P,Vandamme YM,Hoff J,Lemaitre F,Verdier MC,Deslandes G,Bellouard R,Sébille V,Chiffoleau A,Boutoille D,Navas D,Asseray N

更新日期：2019-08-23 00:00:00

abstract：:Protozoan parasites of the Leishmania donovani complex are the causative agents of visceral leishmaniasis (VL), the most severe form of leishmaniasis, with high rates of mortality if left untreated. Leishmania parasites are transmitted to humans through the bite of infected female sandflies (Diptera: Phlebotominae), a...

journal_title：Antimicrobial agents and chemotherapy

authors： Vacchina P,Norris-Mullins B,Abengózar MA,Viamontes CG,Sarro J,Stephens MT,Pfrender ME,Rivas L,Morales MA

更新日期：2016-06-20 00:00:00

abstract：:During a 4-month period in late 1988, we isolated ceftazidime-resistant strains of Klebsiella pneumoniae and other members of the family Enterobacteriaceae from 29 patients at a chronic-care facility in Massachusetts. Ceftazidime resistance resulted from two distinct extended-spectrum beta-lactamases of the TEM type w...

journal_title：Antimicrobial agents and chemotherapy

authors： Rice LB,Willey SH,Papanicolaou GA,Medeiros AA,Eliopoulos GM,Moellering RC Jr,Jacoby GA

更新日期：1990-11-01 00:00:00

abstract：:The in vivo and in vitro determination of significant intracellular stavudine (d4T) triphosphate (d4TTP) concentrations in human immunodeficiency virus (HIV)-infected subjects and NS-1 cells treated with zidovudine (ZDV) has recently been reported. This study was conducted to corroborate these findings with in vivo sa...

journal_title：Antimicrobial agents and chemotherapy

authors： Meléndez M,Blanco R,Delgado W,García R,Santana J,García H,Rosario O,Rodríguez JF

更新日期：2006-03-01 00:00:00

abstract：:Nocardia farcinica, one of the most frequent pathogenic species responsible for nocardiosis, is characterized by frequent brain involvement and resistance to β-lactams mediated by a class A β-lactamase. Kinetic parameters for hydrolysis of various β-lactams by FARIFM10152 from strain IFM 10152 were determined by spect...

journal_title：Antimicrobial agents and chemotherapy

authors： Lebeaux D,Ourghanlian C,Dorchène D,Soroka D,Edoo Z,Compain F,Arthur M

更新日期：2020-01-27 00:00:00

abstract：:A new reverse transcriptase (RT) inhibitor was extracted and purified from the red alga Schizymenia pacifica. The chromatographic behavior and chemical properties of this sea algal extract (SAE) suggest that it is a sulfated polysaccharide having a molecular weight of approximately 2,000,000. SAE is composed of galact...

journal_title：Antimicrobial agents and chemotherapy

authors： Nakashima H,Kido Y,Kobayashi N,Motoki Y,Neushul M,Yamamoto N

更新日期：1987-10-01 00:00:00

abstract：:Chloramphenicol acetyltransferases specified by fi(-) (F fertility-noninhibiting) R factors were compared with those specified by the fi(+) R factors R1, 222, and R6-S. Three classes of enzyme were distinguished: class I was determined by group N fi(-) R factors and was indistinguishable from the enzyme determined by ...

journal_title：Antimicrobial agents and chemotherapy

authors： Foster TJ,Shaw WV

更新日期：1973-01-01 00:00:00

abstract：:Orthopoxvirus infections, such as smallpox, can lead to severe systemic disease and result in considerable morbidity and mortality in immunologically naïve individuals. Treatment with ST-246, a small-molecule inhibitor of virus egress, has been shown to provide protection against severe disease and death induced by se...

journal_title：Antimicrobial agents and chemotherapy

authors： Berhanu A,King DS,Mosier S,Jordan R,Jones KF,Hruby DE,Grosenbach DW

更新日期：2009-12-01 00:00:00

abstract：:Pradimicin S (PRM-S) is a highly water-soluble, negatively charged derivative of the antibiotic pradimicin A (PRM-A) in which the terminal xylose moiety has been replaced by 3-sulfated glucose. PRM-S does not prevent human immunodeficiency virus (HIV) adsorption on CD4(+) T cells, but it blocks virus entry into its ta...

journal_title：Antimicrobial agents and chemotherapy

authors： Balzarini J,François KO,Van Laethem K,Hoorelbeke B,Renders M,Auwerx J,Liekens S,Oki T,Igarashi Y,Schols D

更新日期：2010-04-01 00:00:00

abstract：:Using an isogenic system, we have determined the impact that the four promoters known to control bla(TEM) gene expression have on beta-lactamase activity. For both TEM-1 and TEM-30, this activity gradually increased in relation to the presence of promoters P3, Pa/Pb, and P4 upstream of the corresponding gene. Promoter...

journal_title：Antimicrobial agents and chemotherapy

authors： Lartigue MF,Leflon-Guibout V,Poirel L,Nordmann P,Nicolas-Chanoine MH

更新日期：2002-12-01 00:00:00

abstract：:A disk agar diffusion method was developed for testing the susceptibility of rapidly growing yeasts in vitro. A totally defined, completely synthetic agar culture medium (synthetic amino acid medium, fungal) and clinical isolates of Candida spp. and Torulopsis glabrata were used. Turbidimetric adjustment of cell suspe...

journal_title：Antimicrobial agents and chemotherapy

authors： Saubolle MA,Hoeprich PD

更新日期：1978-10-01 00:00:00

abstract：:Candida glabrata, the second most common cause of Candida infections, is associated with high rates of mortality and often exhibits resistance to the azole class of antifungal agents. Upc2 and Ecm22 in Saccharomyces cerevisiae and Upc2 in Candida albicans are the transcriptional regulators of ERG11, the gene encoding ...

journal_title：Antimicrobial agents and chemotherapy

authors： Whaley SG,Caudle KE,Vermitsky JP,Chadwick SG,Toner G,Barker KS,Gygax SE,Rogers PD

更新日期：2014-08-01 00:00:00

abstract：:The anti-pseudomonas activities of azlocillin and mezlocillin were compared with that of ticarcillin. We measured the minimal inhibitory and minimal bactericidal concentrations of the three drugs against 20 different strains of Pseudomonas aeruginosa and found significantly lower values for azlocillin than for the oth...

journal_title：Antimicrobial agents and chemotherapy

authors： Coppens L,Klastersky J

更新日期：1979-03-01 00:00:00

abstract：:Cryptococcus gattii isolates from the Pacific Northwest have exhibited higher fluconazole MICs than isolates from other sites. The mechanism of fluconazole resistance in C. gattii is unknown. We sought to determine the role of the efflux pumps Mdr1 and Pdr11 in fluconazole susceptibility. Using biolistic transformatio...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang ML,Uhrig J,Vu K,Singapuri A,Dennis M,Gelli A,Thompson GR 3rd

更新日期：2015-12-07 00:00:00

abstract：:The experimental model of infected fibrin clots in rabbits was used to study the penetration and in vivo activity of cefixime against Klebsiella pneumoniae, Escherichia coli, and Staphylococcus aureus. The respective MICs of cefixime against these strains were 0.25, 2, and 8 micrograms/ml. The clots were infected with...

journal_title：Antimicrobial agents and chemotherapy

authors： Bergeron MG,Turcotte A

更新日期：1986-12-01 00:00:00

abstract：:The physicochemical constants and some structural parameters (topological, steric, and electronic) of eight third-generation monofluorate quinolones (six uncommercialized and two used clinically [ciprofloxacin and enrofloxacin]) were determined: pKa, intrinsic solubility (S0), chromatographic capacity factor, partitio...

journal_title：Antimicrobial agents and chemotherapy

authors： Escribano E,Calpena AC,Garrigues TM,Freixas J,Domenech J,Moreno J

更新日期：1997-09-01 00:00:00

abstract：:Delafloxacin, an investigational anionic fluoroquinolone, is active against a broad range of Gram-positive and Gram-negative bacteria. In this study, 200 Streptococcus pneumoniae (plus 30 levofloxacin-resistant isolates), 200 Haemophilus influenzae, and 100 Moraxella catarrhalis isolates selected primarily from the Un...

journal_title：Antimicrobial agents and chemotherapy

authors： Flamm RK,Rhomberg PR,Huband MD,Farrell DJ

更新日期：2016-09-23 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：:Ethambutol (EMB) plays a pivotal role in the chemotherapy of drug-resistant tuberculosis (TB), including multidrug-resistant tuberculosis (MDR-TB). Resistance to EMB is considered to be caused by mutations in the embCAB operon (embC, embA, and embB). In this study, we analyzed the embCAB mutations among 139 MDR-TB iso...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhao LL,Sun Q,Liu HC,Wu XC,Xiao TY,Zhao XQ,Li GL,Jiang Y,Zeng CY,Wan KL

更新日期：2015-04-01 00:00:00

abstract：:Metronidazole is now being used with increasing frequency for various infectious conditions in patients with renal failure. It is commonly administered to septic patients who have developed acute renal failure requiring hemodialysis. The hemodialysis clearances of metronidazole and its metabolites were evaluated in ni...

journal_title：Antimicrobial agents and chemotherapy

authors： Lau AH,Chang CW,Sabatini S

更新日期：1986-02-01 00:00:00

abstract：:We report a case of accelerated metabolism of voriconazole during therapy for invasive pulmonary aspergillosis, resulting in subtherapeutic levels. Target voriconazole levels were restored with high dosages of voriconazole (up to 40 mg/kg of body weight/day) and the addition of cimetidine as a cytochrome P450 enzyme i...

journal_title：Antimicrobial agents and chemotherapy

authors： Moriyama B,Elinoff J,Danner RL,Gea-Banacloche J,Pennick G,Rinaldi MG,Walsh TJ

更新日期：2009-04-01 00:00:00

abstract：:The pharmacokinetics of meropenem and its ring-opened metabolite (ICI 213,689) were investigated with eight young (20- to 34-year-old) and eight elderly (67- to 80-year-old) healthy male volunteers given single 30-min intravenous infusions of 500 mg of meropenem. All subjects had normal age-correlated glomerular funct...

journal_title：Antimicrobial agents and chemotherapy

authors： Ljungberg B,Nilsson-Ehle I

更新日期：1992-07-01 00:00:00

abstract：:Biochemical variations accompanying the acquisition of ethambutol (EMB) resistance in a single-step mutant of Mycobacterium tuberculosis H37Ra were analyzed. Comparative analysis of phospholipids revealed a reduced content in the EMB-resistant strain, particularly in the cell membrane fraction. Significant alterations...

journal_title：Antimicrobial agents and chemotherapy

authors： Sareen M,Khuller GK

更新日期：1990-09-01 00:00:00