Use of a temperature-sensitive, protoplast-forming Neurospora crassa strain for the detection of antifungal antibiotics.

abstract：:Two aminocyclitol-negative Micromonospora mutants representing two different species, M. purpurea and M. inyoensis, and blocked at different steps in the biosynthetic pathway were paired and cofermented for the synthesis of antibiotics. The two blocked mutants were incapable of producing antibiotics alone except when ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lee BK,Nagabhushan TL,Condon RG,Cooper AB,Waitz JA

更新日期：1978-07-01 00:00:00

abstract：:The inhibitory effects of azithromycin (AZM), a new 15-membered macrolide antibiotic, on the production of exotoxin A, total protease, elastase, and phospholipase C by Pseudomonas aeruginosa were determined, and the virulence-suppressing effects of AZM were compared with those of erythromycin (EM), roxithromycin (RXM)...

journal_title：Antimicrobial agents and chemotherapy

authors： Mizukane R,Hirakata Y,Kaku M,Ishii Y,Furuya N,Ishida K,Koga H,Kohno S,Yamaguchi K

更新日期：1994-03-01 00:00:00

abstract：:Though the primary action of the cationic antibiotic polymyxin B is against the membrane of susceptible bacteria, severe morphological changes are detected in the cytoplasm. Using fluorescence microscopy and a mono-N-dansyl-polymyxin B derivative, we could demonstrate aggregations of the antibiotic with cellular mater...

journal_title：Antimicrobial agents and chemotherapy

authors： Schindler PR,Teuber M

更新日期：1975-07-01 00:00:00

abstract：:The in vitro and in vivo activities of modithromycin, a novel bicyclolide, against Legionella pneumophila were compared with those of telithromycin, clarithromycin, azithromycin, and levofloxacin. All the test agents decreased the intracellular growth of viable L. pneumophila bacteria over 96 h of incubation in both t...

journal_title：Antimicrobial agents and chemotherapy

authors： Sato T,Tateda K,Kimura S,Ishii Y,Yamaguchi K

更新日期：2011-04-01 00:00:00

abstract：:Resistance to rifampin in Mycobacterium tuberculosis results from mutations in the gene coding for the beta subunit of RNA polymerase (rpoB). At least 95% of rifampin-resistant isolates have mutations in rpoB, and the mutations are clustered in a small region. About 40 distinct point mutations and in-frame insertions ...

journal_title：Antimicrobial agents and chemotherapy

authors： Morlock GP,Plikaytis BB,Crawford JT

更新日期：2000-12-01 00:00:00

abstract：:Antimicrobial proteins and peptides (AMPs) are essential effectors of innate immunity, acting as a first line of defense against bacterial infections. Many AMPs exhibit high affinity for cell wall structures such as lipopolysaccharide (LPS), a potent endotoxin able to induce sepsis. Hence, understanding how AMPs can i...

journal_title：Antimicrobial agents and chemotherapy

authors： Pulido D,Moussaoui M,Andreu D,Nogués MV,Torrent M,Boix E

更新日期：2012-05-01 00:00:00

abstract：:Helicobacter pylori is killed in vitro by polyoxyethylene acyl esters and ethers similar to simethicone emulsifiers in therapeutic antifoams. The MBC of these compounds for Helicobacter pylori was less than 20 micrograms/ml, while other gram-negative bacteria were unaffected by much higher concentrations of up to 50 m...

journal_title：Antimicrobial agents and chemotherapy

authors： Kane AV,Plaut AG

更新日期：1996-02-01 00:00:00

abstract：:Novel penem molecules with heterocycle substitutions at the 6 position via a methylidene linkage were investigated for their activities and efficacy as beta-lactamase inhibitors. The concentrations of these molecules that resulted in 50% inhibition of enzyme activity were 0.4 to 3.1 nM for the TEM-1 enzyme, 7.8 to 72 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Weiss WJ,Petersen PJ,Murphy TM,Tardio L,Yang Y,Bradford PA,Venkatesan AM,Abe T,Isoda T,Mihira A,Ushirogochi H,Takasake T,Projan S,O'Connell J,Mansour TS

更新日期：2004-12-01 00:00:00

abstract：:The 50% inhibitory concentration (IC50s) of benflumetol (range, 12.5 to 240 nM; mean, 55.1 nM) for 158 Senegalese isolates were evaluated. Ten isolates (6%) showed decreased susceptibility to benflumetol. Benflumetol was slightly more potent against chloroquine-resistant isolates (P < 0.025). No correlation or weak co...

journal_title：Antimicrobial agents and chemotherapy

authors： Pradines B,Tall A,Fusai T,Spiegel A,Hienne R,Rogier C,Trape JF,Le Bras J,Parzy D

更新日期：1999-02-01 00:00:00

abstract：:Weak mutators are common among clinical isolates of Escherichia coli. We show that the relative mutation rate and the "evolvability of fluoroquinolone resistance" are related by a power law slope of 1.2 over 3 orders of magnitude. Thus, even weak mutators can drive the evolution of fluoroquinolone resistance under sel...

journal_title：Antimicrobial agents and chemotherapy

authors： Orlén H,Hughes D

更新日期：2006-10-01 00:00:00

abstract：:Isavuconazole, the active moiety of the prodrug isavuconazonium sulfate, has potent activity against a wide spectrum of fungal pathogens and is approved for the treatment of invasive aspergillosis, yet little is known about the tissue penetration of isavuconazole at the target sites of infection. Here, we explored the...

journal_title：Antimicrobial agents and chemotherapy

authors： Lee A,Prideaux B,Lee MH,Zimmerman M,Dolgov E,Perlin DS,Zhao Y

更新日期：2019-05-24 00:00:00

abstract：:Acute otitis media, a polymicrobial disease of the middle ear cavity of children, is a significant public health problem worldwide. It is most frequently caused by encapsulated Streptococcus pneumoniae and nontypeable Haemophilus influenzae, although the widespread use of pneumococcal conjugate vaccines is apparently ...

journal_title：Antimicrobial agents and chemotherapy

authors： Domenech M,García E

更新日期：2017-01-24 00:00:00

abstract：:Bacteriophages have been used for more than a century for (unconventional) therapy of bacterial infections, for half a century as tools in genetic research, for 2 decades as tools for discovery of specific target-binding proteins, and for nearly a decade as tools for vaccination or as gene delivery vehicles. Here we p...

journal_title：Antimicrobial agents and chemotherapy

authors： Yacoby I,Shamis M,Bar H,Shabat D,Benhar I

更新日期：2006-06-01 00:00:00

abstract：:Gardimycin, a new antibiotic, at 100 mug/ml, specifically inhibited cell wall synthesis and induced accumulation of uridine 5'-diphosphate-N-acetylmur-amylpentapeptide in whole cells of Bacillus subtilis. The antibiotic was active in a particulate enzyme preparation from Bacillus stearothermophilus: 60 mug/ml caused 5...

journal_title：Antimicrobial agents and chemotherapy

authors： Somma S,Merati W,Parenti F

更新日期：1977-03-01 00:00:00

abstract：:New drugs are needed to shorten the duration of tuberculosis treatment. R207910, a diarylquinoline, is very active against Mycobacterium tuberculosis both in vitro and in mice. In healthy volunteers, the coadministration of R207910 and rifampin induced the increased metabolism of R207910, resulting in a 50% reduction ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lounis N,Gevers T,Van Den Berg J,Andries K

更新日期：2008-10-01 00:00:00

abstract：:This study compared the efficacies of two N-methylglucomine antimoniate (MA) dose regimens for treating macaques with Leishmania braziliensis-induced chronic skin disease. Whereas all animals treated with the full dose (20 mg MA/kg/day) were cured, 50% of the monkeys receiving a low-dose regimen (5 mg MA/kg/day) relap...

journal_title：Antimicrobial agents and chemotherapy

authors： Grimaldi G Jr,Porrozzi R,Friedrich K,Teva A,Marchevsky RS,Vieira F,Miekeley N,Paumgartten FJ

更新日期：2010-01-01 00:00:00

abstract：:We report 2 cases of recurrent Campylobacter coli enteritis caused by macrolide- and fluoroquinolone-resistant strains in 2 patients with hypogammaglobulinemia, successfully treated with a prolonged course of fosfomycin-tromethamine with no side effects. Fosfomycin-tromethamine may be a feasible alternative therapy fo...

journal_title：Antimicrobial agents and chemotherapy

authors： Aguilar-Company J,Los-Arcos I,Pigrau C,Rodríguez-Pardo D,Larrosa MN,Rodríguez-Garrido V,Sihuay-Diburga D,Almirante B

更新日期：2016-06-20 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：:The biological activity of a new intravenous (i.v.) preparation of human vaccinia immune globulin (VIGIV) was evaluated in two mouse models of vaccinia virus (VV) infection. In a mouse tail lesion model, female CD-1 mice were inoculated i.v. with 7 x 10(4) PFU of VV to produce >10 lesions per tail 8 days later. In a m...

journal_title：Antimicrobial agents and chemotherapy

authors： Shearer JD,Siemann L,Gerkovich M,House RV

更新日期：2005-07-01 00:00:00

abstract：:Pharmacokinetic modeling has often been applied to evaluate vancomycin pharmacokinetics in neonates. However, clinical application of the model-based personalized vancomycin therapy is still limited. The objective of the present study was to evaluate the clinical utility and safety of a model-based patient-tailored do...

journal_title：Antimicrobial agents and chemotherapy

authors： Leroux S,Jacqz-Aigrain E,Biran V,Lopez E,Madeleneau D,Wallon C,Zana-Taïeb E,Virlouvet AL,Rioualen S,Zhao W

更新日期：2016-03-25 00:00:00

abstract：:We have attempted to validate in Aspergillus flavus the main in vitro methodologies that have been used to detect resistance in Aspergillus fumigatus. We developed a murine model with two A. flavus isolates, one that was apparently resistant in vitro to amphotericin B (AFL5) and another that was resistant to itraconaz...

journal_title：Antimicrobial agents and chemotherapy

authors： Mosquera J,Warn PA,Morrissey J,Moore CB,Gil-Lamaignere C,Denning DW

更新日期：2001-05-01 00:00:00

abstract：:Isolates of Legionella pneumophila serogroup 1, obtained from guinea pigs with experimentally induced Legionnaires disease, were tested for rifampin resistance. Thirteen isolates were from animals treated with rifampin alone, four isolates were from animals treated with saline, and three isolates each were from animal...

journal_title：Antimicrobial agents and chemotherapy

authors： Edelstein PH

更新日期：1991-01-01 00:00:00

abstract：:Faldaprevir is a potent hepatitis C virus (HCV) NS3/4A protease inhibitor with negligible urinary excretion. We assessed the pharmacokinetics and safety of a single oral dose of faldaprevir (480 mg) in 32 HCV-negative subjects with renal impairment or normal renal function. Compared with subjects with normal renal fun...

journal_title：Antimicrobial agents and chemotherapy

authors： Huang F,Moschetti V,Lang B,Halabi A,Petersen-Sylla M,Yong CL,Elgadi M

更新日期：2015-01-01 00:00:00

abstract：:The in vitro susceptibilities of 12 strains of Chlamydia pneumoniae to a new quinolone, trovafloxacin, and ofloxacin, doxycycline, erythromycin, and azithromycin were determined. The activity of trovafloxacin was similar to that of ofloxacin, with a MIC at which 90% of the isolates are inhibited and a minimal concentr...

journal_title：Antimicrobial agents and chemotherapy

authors： Roblin PM,Kutlin A,Hammerschlag MR

更新日期：1997-09-01 00:00:00

abstract：:The diversity of OXA-48-like carbapenemases is continually expanding. In this study, we describe the dissemination and characteristics of a novel carbapenem-hydrolyzing class D β-lactamase (CHDL) named OXA-436. In total, six OXA-436-producing Enterobacteriaceae isolates, including Enterobacter asburiae (n = 3), Citrob...

journal_title：Antimicrobial agents and chemotherapy

authors： Samuelsen Ø,Hansen F,Aasnæs B,Hasman H,Lund BA,Leiros HS,Lilje B,Janice J,Jakobsen L,Littauer P,Søes LM,Holzknecht BJ,Andersen LP,Stegger M,Andersen PS,Hammerum AM

更新日期：2017-12-21 00:00:00

abstract：:Recently, a novel variant of mecA known as mecC (mecA(LGA251)) was identified in Staphylococcus aureus isolates from both humans and animals. In this study, we identified a Staphylococcus xylosus isolate that harbors a new allotype of the mecC gene, mecC1. Whole-genome sequencing revealed that mecC1 forms part of a cl...

journal_title：Antimicrobial agents and chemotherapy

authors： Harrison EM,Paterson GK,Holden MT,Morgan FJ,Larsen AR,Petersen A,Leroy S,De Vliegher S,Perreten V,Fox LK,Lam TJ,Sampimon OC,Zadoks RN,Peacock SJ,Parkhill J,Holmes MA

更新日期：2013-03-01 00:00:00

abstract：:We tested the activity of daptomycin against 76 Listeria monocytogenes isolates from cerebrospinal fluid by broth dilution and Etest methods. For the broth dilution method, the MIC range was 1.0 to 8.0 and the MIC at which 90% of the isolates tested were inhibited (MIC(90)) was 4.0 mg/liter. For the Etest method, the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Spanjaard L,Vandenbroucke-Grauls CM

更新日期：2008-05-01 00:00:00

abstract：:Emtricitabine (FTC) is approved for the treatment of human immunodeficiency virus. FTC and clevudine (CLV) have activity against hepatitis B virus (HBV). This report summarizes the results of a double-blind, multicenter study of patients with chronic hepatitis B who had completed a phase 3 study of FTC and were random...

journal_title：Antimicrobial agents and chemotherapy

authors： Lim SG,Krastev Z,Ng TM,Mechkov G,Kotzev IA,Chan S,Mondou E,Snow A,Sorbel J,Rousseau F

更新日期：2006-05-01 00:00:00

abstract：:Monophenol monooxygenase (monophenol, dihydroxyphenylalanine:oxygen oxidoreductase EC 1.14.18.1) was studied in melanin-positive and melanin-negative mutants of Streptomyces lincolnensis NCIB 9413, varying in the lincomycin synthesizing ability. The activities of laccase and tyrosine phenol lyase (EC 4.1.99.2) are abs...

journal_title：Antimicrobial agents and chemotherapy

authors： Michalik J,Emilianowicz-Czerska W,Switalski L,Raczyńska-Bojanowska K

更新日期：1975-11-01 00:00:00

abstract：:Chronic periodontitis is one of the most prevalent human diseases and is caused by dysbiosis of the subgingival microbiota. Treatment involves primarily mechanical disruption of subgingival biofilms and, in certain cases, adjunctive use of systemic antibiotic therapy. In vitro biofilm models have been developed to stu...

journal_title：Antimicrobial agents and chemotherapy

authors： Soares GM,Teles F,Starr JR,Feres M,Patel M,Martin L,Teles R

更新日期：2015-05-01 00:00:00