Phenotypic characterization of pncA mutants of Mycobacterium tuberculosis.

abstract：:We used multiplex PCR to determine the agr group membership of 18 European glycopeptide heterointermediate and intermediate-resistant Staphylococcus aureus strains. Of the 15 agr group I strains, 13 were resistant and 2 were susceptible to methicillin. The remaining three strains, like the United States and Japanese c...

journal_title：Antimicrobial agents and chemotherapy

authors： Verdier I,Reverdy ME,Etienne J,Lina G,Bes M,Vandenesch F

更新日期：2004-03-01 00:00:00

abstract：:Viridin B, a bacteriocin produced by Streptococcus mitis, copurified with the alpha-hemolysin after ammonium sulfate precipitation and gel filtration on Sephadex G-200. The bacteriocin and hemolysin were separated in some instances by ion-exchange chromatography on diethylaminoethyl-Sephadex A-50, but the two substanc...

journal_title：Antimicrobial agents and chemotherapy

authors： Apelgren LD,Dajani AS

更新日期：1979-03-01 00:00:00

abstract：:Histatin 5 (Hst 5) is a salivary human antimicrobial peptide that is toxic to the opportunistic yeast Candida albicans. Fungicidal activity of Hst 5 requires intracellular translocation and accumulation to a threshold concentration for it to disrupt cellular processes. Previously, we observed that total cytosolic leve...

journal_title：Antimicrobial agents and chemotherapy

authors： Li R,Kumar R,Tati S,Puri S,Edgerton M

更新日期：2013-04-01 00:00:00

abstract：:Ovotransferrin immobilized by covalent linkage to Sepharose 4B showed a bacteriostatic effect towards Escherichia coli similar to that of free ovotransferrin. The growth of the bacteria, after exposure to the gel-bound ovotransferrin and its removal, depended on the length of exposure. The results suggest that the ant...

journal_title：Antimicrobial agents and chemotherapy

authors： Valenti P,Antonini G,Fanelli MR,Orsi N,Antonini E

更新日期：1982-05-01 00:00:00

abstract：:Data on the effectiveness of ceftazidime-avibactam (CAZ-AVI) in critically ill, mechanically ventilated patients are limited. The present retrospective observational cohort study, which was conducted in two general intensive care units (ICUs) in central Greece, compared critically ill, mechanically ventilated patients...

journal_title：Antimicrobial agents and chemotherapy

authors： Tsolaki V,Mantzarlis K,Mpakalis A,Malli E,Tsimpoukas F,Tsirogianni A,Papagiannitsis C,Zygoulis P,Papadonta ME,Petinaki E,Makris D,Zakynthinos E

更新日期：2020-02-21 00:00:00

abstract：:We describe a novel method for isolating plasma-free peripheral blood mononuclear cells retaining intracellular efavirenz. Quantification of efavirenz in 13 human immunodeficiency virus-infected patients by liquid chromatography-tandem mass spectrometry showed a higher correlation of intracellular levels with unbound ...

journal_title：Antimicrobial agents and chemotherapy

authors： Tanaka R,Hanabusa H,Kinai E,Hasegawa N,Negishi M,Kato S

更新日期：2008-02-01 00:00:00

abstract：:We designed, synthesized, and characterized a novel nucleoside analog, (1S,3S,5S)-3-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)-5-hydroxy-1-(hydroxymethyl)-2-methylene-cyclopentanecarbonitrile, or 4'-cyano-methylenecarbocyclic-2'-deoxyguanosine (CMCdG), and evaluated its anti-hepatitis B virus (anti-HBV) activity, safet...

journal_title：Antimicrobial agents and chemotherapy

authors： Higashi-Kuwata N,Hayashi S,Das D,Kohgo S,Murakami S,Hattori SI,Imoto S,Venzon DJ,Singh K,Sarafianos SG,Tanaka Y,Mitsuya H

更新日期：2019-03-27 00:00:00

abstract：:Serial passage of Pseudomonas aeruginosa ATCC 27853 or Escherichia coli ATCC 25922 on agar with subinhibitory concentrations of norfloxacin rapidly produced isolates with minimal inhibitory concentrations (MICs) of norfloxacin up to 512-fold higher than that for the original strain. Although MICs of seven unrelated an...

journal_title：Antimicrobial agents and chemotherapy

authors： Tenney JH,Maack RW,Chippendale GR

更新日期：1983-01-01 00:00:00

abstract：:The bronchial mucosal concentrations of lomefloxacin were determined for specimens obtained by fiber-optic bronchoscopy and compared with simultaneous concentrations in serum. The 23 patients studied were given an oral dose of 400 mg once daily for 4 days to achieve steady-state levels. The median concentration in ser...

journal_title：Antimicrobial agents and chemotherapy

authors： Baldwin DR,Honeybourne D,Andrews JM,Ashby JP,Wise R

更新日期：1990-06-01 00:00:00

abstract：:A single Klebsiella pneumoniae strain isolated in a Bulgarian hospital was found to produce CTX-M-71, a new CTX-M variant characterized by one amino acid substitution from glycine to cysteine at position 238 in comparison to CTX-M-15. This exchange decreased the hydrolytic activity of the beta-lactamase for cefotaxime...

journal_title：Antimicrobial agents and chemotherapy

authors： Schneider I,Queenan AM,Markovska R,Markova B,Keuleyan E,Bauernfeind A

更新日期：2009-10-01 00:00:00

abstract：:No effective approved drug therapy exists for Cryptosporidium infection of immunocompromised patients. Here we investigated the nonabsorbed anthelmintic drug pyrvinium pamoate for inhibition of the growth of the intestinal protozoan parasite Cryptosporidium parvum. The concentration of pyrvinium that effected 50% grow...

journal_title：Antimicrobial agents and chemotherapy

authors： Downey AS,Chong CR,Graczyk TK,Sullivan DJ

更新日期：2008-09-01 00:00:00

abstract：:Enterococcus faecalis strain WCH9 displays a moderate level of resistance to vancomycin (MIC = 16 microgram/ml) and full susceptibility to teicoplanin but is negative by PCR analysis using primers specific for all known enterococcal vancomycin resistance genotypes (vanA, vanB, vanC, vanD, and vanE). We have isolated a...

journal_title：Antimicrobial agents and chemotherapy

authors： McKessar SJ,Berry AM,Bell JM,Turnidge JD,Paton JC

更新日期：2000-11-01 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：:Ceftibuten (CFB), a new broad-spectrum cephalosporin for oral administration, possesses potent activity in vitro against a wide range of gram-negative and certain gram-positive pathogens frequently encountered in pediatric patients. Its antimicrobial spectrum and dosage formulation suggest a use for CFB in the treatme...

journal_title：Antimicrobial agents and chemotherapy

authors： Kearns GL,Reed MD,Jacobs RF,Ardite M,Yogev RD,Blumer JL

更新日期：1991-10-01 00:00:00

abstract：:This study analyzed the enzymatic basis and molecular epidemiology of amoxicillin-clavulanate-resistant Escherichia coli isolated by the microbiology laboratory of a United States tertiary care hospital. From October 1998 to December 1999, all E. coli isolates were screened for ampicillin-sulbactam resistance. Of 283 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kaye KS,Gold HS,Schwaber MJ,Venkataraman L,Qi Y,De Girolami PC,Samore MH,Anderson G,Rasheed JK,Tenover FC

更新日期：2004-05-01 00:00:00

abstract：:We recently reported that in lung tissue, thioridazine accumulates at high concentrations relative to serum levels, displaying modest synergy with isoniazid and reducing the emergence of isoniazid-resistant mutants in mouse lungs. In this study, we sought to investigate the sterilizing activity of human-equivalent dos...

journal_title：Antimicrobial agents and chemotherapy

authors： Dutta NK,Pinn ML,Karakousis PC

更新日期：2014-09-01 00:00:00

abstract：:We examined the cerebrospinal fluid penetration of daptomycin after the addition of dexamethasone and its bactericidal efficacy with and without ceftriaxone in an experimental rabbit model of pneumococcal meningitis. The combination of daptomycin with ceftriaxone was the most efficacious regimen for pneumococcal menin...

journal_title：Antimicrobial agents and chemotherapy

authors： Egermann U,Stanga Z,Ramin A,Acosta F,Stucki A,Gerber P,Cottagnoud M,Cottagnoud P

更新日期：2009-07-01 00:00:00

abstract：:The MICs and MBCs of the new difluorinated quinolone drug sparfloxacin against type strains belonging to 21 species of mycobacteria were screened. The MICs and MBCs were within the range of 0.1 to 2.0 and 0.1 to 4.0 micrograms/ml, respectively (with an MBC/MIC ratio of 1 to 2), and against 18 of the 21 species tested,...

journal_title：Antimicrobial agents and chemotherapy

authors： Rastogi N,Labrousse V,Goh KS,De Sousa JP

更新日期：1991-12-01 00:00:00

abstract：:Isoniazid (INH) remains the most safe and cost-effective drug for the treatment and prophylaxis of tuberculosis. The use of INH has increased over the past years, largely as a result of the coepidemic of human immunodeficiency virus infection. It is frequently given chronically to critically ill patients who are copre...

journal_title：Antimicrobial agents and chemotherapy

authors： Desta Z,Soukhova NV,Flockhart DA

更新日期：2001-02-01 00:00:00

abstract：:The in vitro activities of 25 quinolones and fluoroquinolones against erythrocytic stages of Plasmodium falciparum and against liver stages of Plasmodium yoelii yoelii and P. falciparum were studied. All compounds were inhibitory for chloroquine-sensitive and chloroquine-resistant P. falciparum grown in red blood cell...

journal_title：Antimicrobial agents and chemotherapy

authors： Mahmoudi N,Ciceron L,Franetich JF,Farhati K,Silvie O,Eling W,Sauerwein R,Danis M,Mazier D,Derouin F

更新日期：2003-08-01 00:00:00

abstract：:Vibrio cholerae strains of serogroups O1 and O139, the causative agents of the diarrheal illness cholera, express a single polar flagellum powered by sodium motive force and require motility to colonize and spread along the small intestine. In a previous study, we described a high-throughput assay for screening for sm...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang H,Zhang L,Silva AJ,Benitez JA

更新日期：2013-08-01 00:00:00

abstract：:The ribosome-targeting antimicrobial, spectinomycin (SPC), strongly induced the mexXY genes of the MexXY-OprM multidrug efflux system in Pseudomonas aeruginosa and increased susceptibility to the polycationic antimicrobials polymyxin B and polymyxin E, concomitant with a decrease in expression of the polymyxin resista...

journal_title：Antimicrobial agents and chemotherapy

authors： Poole K,Lau CH,Gilmour C,Hao Y,Lam JS

更新日期：2015-12-01 00:00:00

abstract：:The syringopeptins are a group of antimicrobial cyclic lipodepsipeptides produced by several plant-associated pseudomonads. A novel syringopeptin, SP508, was shown to be produced as two homologs (A and B) by Pseudomonas syringae pv. lachrymans strain 508 from apple and to structurally resemble syringopeptin SP22. SP50...

journal_title：Antimicrobial agents and chemotherapy

authors： Grgurina I,Bensaci M,Pocsfalvi G,Mannina L,Cruciani O,Fiore A,Fogliano V,Sorensen KN,Takemoto JY

更新日期：2005-12-01 00:00:00

abstract：:As an obligate aerobe, Mycobacterium tuberculosis uses its electron transport chain (ETC) to produce energy via oxidative phosphorylation. This pathway has recently garnered a lot of attention and is a target for several new antimycobacterials. We tested the respiratory adaptation of M. tuberculosis to phenoxyalkylben...

journal_title：Antimicrobial agents and chemotherapy

authors： Berube BJ,Parish T

更新日期：2017-12-21 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：:The MICs and minimum bactericidal concentrations (MBCs) for the biocides benzalkonium chloride and chlorhexidine were determined against 1,602 clinical isolates of Staphylococcus aureus. Both compounds showed unimodal MIC and MBC distributions (2 and 4 or 8 mg/liter, respectively) with no apparent subpopulation with r...

journal_title：Antimicrobial agents and chemotherapy

authors： Furi L,Ciusa ML,Knight D,Di Lorenzo V,Tocci N,Cirasola D,Aragones L,Coelho JR,Freitas AT,Marchi E,Moce L,Visa P,Northwood JB,Viti C,Borghi E,Orefici G,BIOHYPO Consortium.,Morrissey I,Oggioni MR

更新日期：2013-08-01 00:00:00

abstract：:Ramoplanin is an actinomycetes-derived antibiotic with broad-spectrum activity against Gram-positive bacteria that has been evaluated in clinical trials for the treatment of gastrointestinal vancomycin-resistant enterococci (VRE) and Clostridium difficile infections. Recent studies have proposed that ramoplanin binds ...

journal_title：Antimicrobial agents and chemotherapy

authors： Cheng M,Huang JX,Ramu S,Butler MS,Cooper MA

更新日期：2014-11-01 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：:Disseminated infections caused by the Mycobacterium avium-M. intracellulare complex (MAC) are the most frequent opportunistic bacterial infections in patients with AIDS. MAC isolates are resistant to many of the standard antituberculous drugs. Failure to obtain significant activities of certain drugs is due to difficu...

journal_title：Antimicrobial agents and chemotherapy

authors： Mehta RT

更新日期：1996-08-01 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