Mechanism of action for respiratory syncytial virus inhibitor RSV604.

abstract：:Lysobactor enzymogenes strain OH11 is an emerging biological control agent of fungal and bacterial diseases. We recently completed its genome sequence and found it contains a large number of gene clusters putatively responsible for the biosynthesis of nonribosomal peptides and polyketides, including the previously ide...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang W,Li Y,Qian G,Wang Y,Chen H,Li YZ,Liu F,Shen Y,Du L

更新日期：2011-12-01 00:00:00

abstract：:Bacterial pathogens have specific virulence factors (e.g., toxins) that contribute significantly to the virulence and infectivity of microorganisms within the human hosts. Virulence factors are molecules expressed by pathogens that enable colonization, immunoevasion, and immunosuppression, obtaining nutrients from the...

journal_title：Antimicrobial agents and chemotherapy

authors： Jekle A,Yoon J,Zuck M,Najafi R,Wang L,Shiau T,Francavilla C,Rani SA,Eitzinger C,Nagl M,Anderson M,Debabov D

更新日期：2013-02-01 00:00:00

abstract：:This study was directed at characterizing the genetic elements carrying the methylase gene erm(B), encoding ribosome modification-mediated resistance to macrolide, lincosamide, and streptogramin B (MLS) antibiotics, in Streptococcus pyogenes. In this species, erm(B) is responsible for MLS resistance in constitutively ...

journal_title：Antimicrobial agents and chemotherapy

authors： Brenciani A,Bacciaglia A,Vecchi M,Vitali LA,Varaldo PE,Giovanetti E

更新日期：2007-04-01 00:00:00

abstract：:Cefodizime, an iminomethoxy aminothiazolyl cephalosporin similar to moxalactam and ceftazidime, was less active (minimal inhibitory concentration, 1.6 to 12 micrograms) than cefazolin or cefotaxime against Staphylococcus aureus and Staphylococcus epidermidis. It inhibited Haemophilus and Neisseria spp. at less than 0....

journal_title：Antimicrobial agents and chemotherapy

authors： Scully BE,Jules K,Neu HC

更新日期：1983-06-01 00:00:00

abstract：:Atovaquone (AV) acts on the malaria parasite by competing with ubiquinol (UQH2) for its union to the mitochondrial bc1 complex, preventing the ubiquinone-8,9 (UQ) redox recycling, which is a necessary step in pyrimidine biosynthesis. This study focused on UQ biosynthesis in Plasmodium falciparum and adopted proof-of-c...

journal_title：Antimicrobial agents and chemotherapy

authors： Verdaguer IB,Crispim M,Zafra CA,Sussmann RAC,Buriticá NL,Melo HR,Azevedo MF,Almeida FG,Kimura EA,Katzin AM

更新日期：2021-01-25 00:00:00

abstract：:Two 3-alkyl-substituted 2-hydroxy-1,4-naphthoquinones, NSC 113452 (NSC52) and NSC 113455 (NSC55), were evaluated for activity against Toxoplasma gondii in vitro and in murine models of acute toxoplasmosis. In vitro, both NSC52 and NSC55 significantly inhibited intracellular replication of T. gondii. In vivo, each comp...

journal_title：Antimicrobial agents and chemotherapy

authors： Khan AA,Nasr M,Araujo FG

更新日期：1998-09-01 00:00:00

abstract：:The effects of binding and the bactericidal action of vancomycin on the arrangement and mobilities of cell wall polymers in Bacillus licheniformis were investigated by (15)N nuclear magnetic resonance spectroscopy. The bactericidal action of vancomycin led to reduced mobilities of cell wall teichoic acid and teichuron...

journal_title：Antimicrobial agents and chemotherapy

authors： Irving CS,Lapidot A

更新日期：1978-11-01 00:00:00

abstract：:Bisbenzamidines, such as pentamidine isethionate, are aromatic dicationic compounds that are active against Pneumocystis and other microbes but are oftentimes toxic to the host. To identify potential anti-Pneumocystis agents, we synthesized bisbenzamidine derivatives in which the parent compound pentamidine was modifi...

journal_title：Antimicrobial agents and chemotherapy

authors： Cushion MT,Walzer PD,Ashbaugh A,Rebholz S,Brubaker R,Vanden Eynde JJ,Mayence A,Huang TL

更新日期：2006-07-01 00:00:00

abstract：:While it is well-known that adjunctive corticosteroid use improves the outcome of moderate-to-severe Pneumocystis jirovecii pneumonia (PcP) in patients with human immunodeficiency virus (HIV), there are limited data on its efficacy in non-HIV-infected patients with PcP. Patients undergoing fiber-optic bronchoscopy wit...

journal_title：Antimicrobial agents and chemotherapy

authors： Moon SM,Kim T,Sung H,Kim MN,Kim SH,Choi SH,Jeong JY,Woo JH,Kim YS,Lee SO

更新日期：2011-10-01 00:00:00

abstract：:Quinolones, in addition to their antibacterial activities, act as immunomodulators. Osteopontin (OPN), a member of the extracellular matrix proteins, was found to play a role in the immune and inflammatory response. We found that quinolones significantly enhanced OPN secretion, namely, garenoxacin (220%), moxifloxacin...

journal_title：Antimicrobial agents and chemotherapy

authors： Shiratori B,Zhang J,Usami O,Chagan-Yasutan H,Suzuki Y,Nakajima C,Uede T,Hattori T

更新日期：2012-06-01 00:00:00

abstract：:Although it is generally believed that bactericidal and bacteriostatic drugs should not be combined in vivo, in vitro experiments using the checkerboard dilution technique revealed no antagonism between penicillin/cephalothin and rolitetracycline but rather additive or synergistic activity of either drug combination i...

journal_title：Antimicrobial agents and chemotherapy

authors： Daschner FD

更新日期：1976-11-01 00:00:00

abstract：:An in vitro tissue culture system consisting of reaggregated embryonic brain cells was used to evaluate the inhibition of herpes simplex type 1 (HSV-1) by several antiviral compounds. The efficacy of acyclovir, vidarabine, bromovinyldeoxyuridine, and 9-(1,3-dihydroxy-2-propoxymethyl) guanine in HSV-1-infected Vero cel...

journal_title：Antimicrobial agents and chemotherapy

authors： Pulliam L,Panitch HS,Baringer JR,Dix RD

更新日期：1986-12-01 00:00:00

abstract：:BAL fluid samples from critically ill patients shared a rate of 29% false-positive galactomannan results. We aimed to determine whether Candida species abundance in BAL fluid causes galactomannan (GM) positivity. A total of 89 Candida culture-positive BAL fluid samples from patients without suspicion of invasive asper...

journal_title：Antimicrobial agents and chemotherapy

authors： Aigner M,Wanner M,Kreidl P,Lass-Flörl C,Lackner M

更新日期：2019-05-24 00:00:00

abstract：:GV129606 is a new parenteral trinem antibiotic belonging to the beta-lactam class. It combines broad-spectrum activity (against gram-negative and -positive bacteria, aerobes and anaerobes), with high potency and resistance to beta-lactamases. Comparative in vitro and in vivo antibacterial activities were determined fo...

journal_title：Antimicrobial agents and chemotherapy

authors： Di Modugno E,Broggio R,Erbetti I,Lowther J

更新日期：1997-12-01 00:00:00

abstract：:Demethylchlortetracycline and, to a lesser extent, chlortetracycline were found to mediate the in vitro photoinactivation of Venezuelan equine encephalitis virus. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Esparza J,Pina CI,Novo E

更新日期：1976-07-01 00:00:00

abstract：:Human immunodeficiency virus (HIV) type 1 (HIV-1) variants were selected for resistance to the (+) and (-) enantiomers of a novel nucleoside analogue, 2'-deoxy-3'-oxa-4'-thio-5-fluorocytidine (dOTFC), by use of the infectious molecular clone HIV HXB2D and the human T-cell line MT-4. The dOTFC-resistant variants that w...

journal_title：Antimicrobial agents and chemotherapy

authors： Richard N,Salomon H,Rando R,Mansour T,Bowlin TL,Wainberg MA

更新日期：2000-05-01 00:00:00

abstract：:During its intraerythrocytic phase, the most lethal human malarial parasite, Plasmodium falciparum, digests host cell hemoglobin as a source of some of the amino acids required for its own protein synthesis. A number of parasite endopeptidases (including plasmepsins and falcipains) process the globin into small peptid...

journal_title：Antimicrobial agents and chemotherapy

authors： Cunningham E,Drag M,Kafarski P,Bell A

更新日期：2008-09-01 00:00:00

abstract：:The antibacterial activities of K-4619 (3-de-O-methylsporaricin A sulfate) were compared with those of sporaricin A, amikacin, dibekacin, and gentamicin. K-4619 exhibited a high order of activity against gram-positive and gram-negative bacteria, including Pseudomonas aeruginosa. Its activity against Providencia specie...

journal_title：Antimicrobial agents and chemotherapy

authors： Saino Y,Hattori Y,Koshi T,Kobayashi F,Oda T,Mitsuhashi S

更新日期：1984-08-01 00:00:00

abstract：:The outer membrane permeability to meropenem and imipenem in Escherichia coli K-12 was investigated, and its porin-deficient mutants were transformed with a constructed vector carrying the carbapenem-hydrolyzing CphA metallo-beta-lactamase gene. By using the method of Zimmermann and Rosselet, meropenem was shown to pe...

journal_title：Antimicrobial agents and chemotherapy

authors： Cornaglia G,Guan L,Fontana R,Satta G

更新日期：1992-09-01 00:00:00

abstract：:The telithromycin susceptibility of 210 erythromycin-resistant pneumococci was tested with the agar diffusion method. Twenty-six erm(B)-positive isolates showed heterogeneous resistance to telithromycin, which was manifested by the presence of colonies inside the inhibition zone. When these cells were cultured and tes...

journal_title：Antimicrobial agents and chemotherapy

authors： Rantala M,Haanperä-Heikkinen M,Lindgren M,Seppälä H,Huovinen P,Jalava J

更新日期：2006-05-01 00:00:00

abstract：:The rabbit kidney cell line LLC-RK1 was tested for its ability to discriminate the toxicities of six cephalosporin antibiotics according to their in vivo nephrotoxic potentials in rabbits. With the exception of cephalothin, which was markedly toxic to kidney cells in vitro, a good correlation between in vitro toxicity...

journal_title：Antimicrobial agents and chemotherapy

authors： Williams PD,Laska DA,Tay LK,Hottendorf GH

更新日期：1988-03-01 00:00:00

abstract：:Upregulated expression of efflux pumps, lpxC target mutations, LpxC protein overexpression, and mutations in fabG were previously shown to mediate single-step resistance to the LpxC inhibitor CHIR-090 in P. aeruginosa Single-step selection experiments using three recently described LpxC inhibitors (compounds 2, 3, and...

journal_title：Antimicrobial agents and chemotherapy

authors： Jones AK,Caughlan RE,Woods AL,Uehara K,Xie L,Barnes SW,Walker JR,Thompson KV,Ranjitkar S,Lee PS,Dean CR

更新日期：2019-12-20 00:00:00

abstract：:The antibiotic susceptibilities of 62 strains of Salmonella enterica serovar Typhi and 37 strains of S. enterica serovar Paratyphi A were investigated with 18 antibiotics. Eighteen S. enterica serovar Typhi isolates and five S. enterica serovar Paratyphi A isolates were resistant to one or more antimicrobial agents, a...

journal_title：Antimicrobial agents and chemotherapy

authors： Hirose K,Tamura K,Sagara H,Watanabe H

更新日期：2001-03-01 00:00:00

abstract：:Mechanism-based inactivators of beta-lactamases are used to overcome the resistance of clinical pathogens to beta-lactam antibiotics. This strategy can itself be overcome by mutations of the beta-lactamase that compromise the effectiveness of their inactivation. We used PCR mutagenesis of the TEM-1 beta-lactamase gene...

journal_title：Antimicrobial agents and chemotherapy

authors： Vakulenko SB,Geryk B,Kotra LP,Mobashery S,Lerner SA

更新日期：1998-07-01 00:00:00

abstract：:Background antibiotic use (i.e., administration of antibiotics not directly related to Chlamydia trachomatis or Neisseria gonorrhoeae infections) has been associated with a lower prevalence of genital C. trachomatis infection in a clinical setting. Associations with specific antibiotic types or with N. gonorrhoeae are...

journal_title：Antimicrobial agents and chemotherapy

authors： Dukers-Muijrers NH,van Liere GA,Wolffs PF,Den Heijer C,Werner MI,Hoebe CJ

更新日期：2015-01-01 00:00:00

abstract：:In vitro selection of mutants with decreased susceptibility to ertapenem was performed using Escherichia coli and Klebsiella pneumoniae clinical strains producing either the bla(CTX-M-2), bla(CTX-M-3), bla(CTX-M-9), or bla(CTX-M-15) gene. Frequencies of mutants with decreased susceptibilities to ertapenem were similar...

journal_title：Antimicrobial agents and chemotherapy

authors： Girlich D,Poirel L,Nordmann P

更新日期：2009-02-01 00:00:00

abstract：:Robust determination of the concentration-time profile of anti-infective agents in certain specialized compartments is often limited by the inability to obtain more than a single sample from such a site in any one subject. Vitreous humor and cerebrospinal fluid are obvious examples for which the determination of conce...

journal_title：Antimicrobial agents and chemotherapy

authors： Drusano GL,Liu W,Perkins R,Madu A,Madu C,Mayers M,Miller MH

更新日期：1995-08-01 00:00:00

abstract：:Pseudomonas aeruginosa strains that produce metallo-beta-lactamases (MBLs) are becoming increasingly prevalent. We evaluated the epidemiological and microbiological characteristics of monomicrobial bloodstream infections caused by MBL-producing P. aeruginosa isolates, as well as the clinical outcomes in patients with ...

journal_title：Antimicrobial agents and chemotherapy

authors： Marra AR,Pereira CA,Gales AC,Menezes LC,Cal RG,de Souza JM,Edmond MB,Faro C,Wey SB

更新日期：2006-01-01 00:00:00

abstract：:In a single quantitative study, we measured acrA, acrB, tolC, mdfA, and norE expression in Escherichia coli clinical isolates by using real-time PCR. acrA and acrB overexpression strongly correlated with fluoroquinolone and multidrug resistance; tolC, mdfA, and norE expression did not. The order of abundance of efflux...

journal_title：Antimicrobial agents and chemotherapy

authors： Swick MC,Morgan-Linnell SK,Carlson KM,Zechiedrich L

更新日期：2011-02-01 00:00:00

abstract：:We have studied the interference of roxithromycin with NADPH oxidase, the key enzymatic system for oxidant production by human neutrophils. Roxithromycin alters the reconstitution of an active enzyme and impairs the translocation to the outer membrane of the cytosolic components p47-phox and p67-phox. Interestingly, i...

journal_title：Antimicrobial agents and chemotherapy

authors： Abdelghaffar H,Babin-Chevaye C,Labro MT

更新日期：2005-07-01 00:00:00