Cefoxitin inactivation by Bacteroides fragilis.

abstract：:Macrolide antibiotics are used as anti-inflammatory agents, e.g., for prevention of exacerbations in chronic obstructive pulmonary disease and cystic fibrosis. Several studies have shown improved outcomes after the addition of macrolides to β-lactam antibiotics for treatment of severe community-acquired pneumonia. How...

journal_title：Antimicrobial agents and chemotherapy

authors： Kasetty G,Bhongir RKV,Papareddy P,Herwald H,Egesten A

更新日期：2017-08-24 00:00:00

abstract：:Two coumarins, inhibitors of the B subunit of DNA gyrase, and six quinolones, inhibitors of the A subunit, were tested against Escherichia coli topoisomerase I-catalyzed DNA relaxation. Coumarins had no effect, whereas quinolones were inhibitors of the enzyme. This inhibition was compared with that of DNA gyrase and c...

journal_title：Antimicrobial agents and chemotherapy

authors： Tabary X,Moreau N,Dureuil C,Le Goffic F

更新日期：1987-12-01 00:00:00

abstract：:The bactericidal activity of the novel beta-defensin hBD-3 against 28 species and 55 strains of gram-positive cocci and gram-negative fermentative and nonfermentative rods was tested. All strains proved to be highly or intermediately susceptible to hBD-3 (minimal bactericidal concentration [MBC],

journal_title：Antimicrobial agents and chemotherapy

authors： Sahly H,Schubert S,Harder J,Rautenberg P,Ullmann U,Schröder J,Podschun R

更新日期：2003-05-01 00:00:00

abstract：:Consideration of existing compounds always simplifies and shortens the long and difficult process of discovering new drugs specifically for diseases of developing countries, an approach that may add to the significant potential cost savings. This study focused on improving the biological characteristics of the already...

journal_title：Antimicrobial agents and chemotherapy

authors： El-Feky GS,Mohamed WS,Nasr HE,El-Lakkany NM,Seif El-Din SH,Botros SS

更新日期：2015-01-01 00:00:00

abstract：:Treatment of Mycobacterium abscessus infections is extremely challenging due to its intrinsic resistance to most antibiotics, and research of pathogenesis is limited due to a lack of a practical in vivo model of infection. The objective of this study was to establish a simple in vivo model for M. abscessus infection, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Meir M,Grosfeld T,Barkan D

更新日期：2018-03-27 00:00:00

abstract：:Two Klebsiella pneumoniae isolates of the same strain, identified in Poland, produced either TEM-47 or TEM-68, which differed by the Arg275Leu substitution. They harbored a few virulence factors, including an iron-chelating factor and capsule overproduction, suggesting that these factors were sufficient to enhance the...

journal_title：Antimicrobial agents and chemotherapy

authors： Robin F,Hennequin C,Gniadkowski M,Beyrouthy R,Empel J,Gibold L,Bonnet R

更新日期：2012-02-01 00:00:00

abstract：:The potential for resistance development in Streptococcus pneumoniae secondary to exposure to gatifloxacin, gemifloxacin, levofloxacin, and moxifloxacin at various levels was examined at high inoculum (10(8.5) to 10(9) log10 CFU/ml) over 96 h in an in vitro pharmacodynamic (PD) model using two fluoroquinolone-suscepti...

journal_title：Antimicrobial agents and chemotherapy

authors： LaPlante KL,Rybak MJ,Tsuji B,Lodise TP,Kaatz GW

更新日期：2007-04-01 00:00:00

abstract：:Macrolide-resistant Mycoplasma pneumoniae (MR M. pneumoniae) has been isolated from clinical specimens in Japan since 2000. A comparative study was carried out to determine whether or not macrolides are effective in treating patients infected with MR M. pneumoniae. The clinical courses of 11 patients with MR M. pneumo...

journal_title：Antimicrobial agents and chemotherapy

authors： Suzuki S,Yamazaki T,Narita M,Okazaki N,Suzuki I,Andoh T,Matsuoka M,Kenri T,Arakawa Y,Sasaki T

更新日期：2006-02-01 00:00:00

abstract：:We characterized the genetic environment of mcr-1 in colistin-resistant Escherichia coli strains isolated in Switzerland during 2014 to 2016 from humans (n = 3) and chicken meat (n = 6). Whole-genome and plasmid sequencing identified the mcr-1 gene integrated in IncX4 (of which, one strain carried the mcr-1.2 variant)...

journal_title：Antimicrobial agents and chemotherapy

authors： Donà V,Bernasconi OJ,Pires J,Collaud A,Overesch G,Ramette A,Perreten V,Endimiani A

更新日期：2017-10-24 00:00:00

abstract：:To determine whether rifampin reduces concentrations of trimethoprim (TMP) and sulfamethoxazole (SMX) in serum of human immunodeficiency virus (HIV)-infected persons, levels of these agents were determined by high-performance liquid chromatography before and after more than 12 days of standard antituberculosis treatme...

journal_title：Antimicrobial agents and chemotherapy

authors： Ribera E,Pou L,Fernandez-Sola A,Campos F,Lopez RM,Ocaña I,Ruiz I,Pahissa A

更新日期：2001-11-01 00:00:00

abstract：:We and others recently identified copper resistance as important for virulence of Mycobacterium tuberculosis. Here, we introduce a high-throughput screening assay for agents that induce a copper hypersensitivity phenotype in M. tuberculosis and demonstrate that such copper-boosting compounds are effective against repl...

journal_title：Antimicrobial agents and chemotherapy

authors： Speer A,Shrestha TB,Bossmann SH,Basaraba RJ,Harber GJ,Michalek SM,Niederweis M,Kutsch O,Wolschendorf F

更新日期：2013-02-01 00:00:00

abstract：:9-[2-(Boranophosphonomethoxy)ethyl]adenine diphosphate (BH(3)-PMEApp) and (R)-9-[2-(boranophosphonomethoxy)propyl]adenine diphosphate (BH(3)-PMPApp), described here, represent the first nucleoside phosphonates modified on their alpha-phosphates that act as efficient substrates for the human immunodeficiency virus type...

journal_title：Antimicrobial agents and chemotherapy

authors： Frangeul A,Barral K,Alvarez K,Canard B

更新日期：2007-09-01 00:00:00

abstract：:In vitro activity of ciprofloxacin against 27 strains of enterococci was inoculum dependent. Using inocula of 10(5) to 10(6) or 10(7) to 10(8) CFU of enterococci per ml, the MICs for 50 and 90% of strains tested increased from 1 to greater than or equal to 128 micrograms of ciprofloxacin per ml with the higher inoculu...

journal_title：Antimicrobial agents and chemotherapy

authors： Fernandez-Guerrero M,Rouse MS,Henry NK,Geraci JE,Wilson WR

更新日期：1987-03-01 00:00:00

abstract：:Meningococcal gyrA gene sequence data, MICs, and mouse infection were used to define the ciprofloxacin breakpoint for Neisseria meningitidis. Residue T91 or D95 of GyrA was altered in all meningococcal isolates with MICs of ≥ 0.064 μg/ml but not among isolates with MICs of ≤ 0.032 μg/ml. Experimental infection of cipr...

journal_title：Antimicrobial agents and chemotherapy

authors： Hong E,Thulin Hedberg S,Abad R,Fazio C,Enríquez R,Deghmane AE,Jolley KA,Stefanelli P,Unemo M,Vazquez JA,Veyrier FJ,Taha MK

更新日期：2013-04-01 00:00:00

abstract：:We previously demonstrated the potent in vitro activity of erythromycin against Mycobacterium leprae as determined by its effect on ATP pools and rates of palmitate oxidation and phenolic glycolipid I synthesis. In the present study, the relative in vitro activities of a number of new macrolides with superior pharmaco...

journal_title：Antimicrobial agents and chemotherapy

authors： Franzblau SG,Hastings RC

更新日期：1988-12-01 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：:The 747-bp cfiA gene, which encodes a metallo-beta-lactamase, and the regions flanking cfiA in six imipenem-resistant and four imipenem-susceptible Bacteroides fragilis strains isolated in Japan were analyzed by PCR and DNA sequencing. The nucleotide sequences of the cfiA genes (designated cfiA(1) to cfiA(10)) of all ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kato N,Yamazoe K,Han CG,Ohtsubo E

更新日期：2003-03-01 00:00:00

abstract：:The purpose of this work was to evaluate the in vitro possibilities of ampicillin-ceftriaxone combinations for 10 Enterococcus faecalis strains with high-level resistance to aminoglycosides (HLRAg) and to assess the efficacy of ampicillin plus ceftriaxone, both administered with humanlike pharmacokinetics, for the tre...

journal_title：Antimicrobial agents and chemotherapy

authors： Gavaldà J,Torres C,Tenorio C,López P,Zaragoza M,Capdevila JA,Almirante B,Ruiz F,Borrell N,Gomis X,Pigrau C,Baquero F,Pahissa A

更新日期：1999-03-01 00:00:00

abstract：:The interaction of miltefosine with amphotericin B, sodium stibogluconate, paromomycin, and sitamaquine was assessed in vitro and additionally for the first three combinations in vivo. In vitro interactions were indifferent for miltefosine combined with amphotericin B (mean sums of fractional inhibitory concentrations...

journal_title：Antimicrobial agents and chemotherapy

authors： Seifert K,Croft SL

更新日期：2006-01-01 00:00:00

abstract：:Ampicillin, trimethoprim-sulfamethoxazole, mecillinam, nitrofurantoin, and ciprofloxacin mean resistance rates for 2,000 urinary tract isolates collected from outpatients across Canada in 1998 were 41.1, 19.2, 14.7, 5.0, and 1.8%, respectively. For Escherichia coli isolates alone (n = 1,681) comparable rates were 41. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhanel GG,Karlowsky JA,Harding GK,Carrie A,Mazzulli T,Low DE,Hoban DJ

更新日期：2000-04-01 00:00:00

abstract：:In a randomized, double-blind trial involving patients with uncomplicated influenza A H3N2 subtype virus infection, rimantadine treatment (200 mg/day for 5 days) was associated with significant reductions in nasal secretion viral titers (days 2 through 4), maximal temperature (days 2 and 3), time until defervescence (...

journal_title：Antimicrobial agents and chemotherapy

authors： Hayden FG,Monto AS

更新日期：1986-02-01 00:00:00

abstract：:Between February and June of 1997, a large number of community-acquired respiratory tract isolates of Haemophilus influenzae (n = 1,077) and Moraxella catarrhalis (n = 503) from 27 U.S. and 7 Canadian medical centers were characterized as part of the SENTRY Antimicrobial Surveillance Program. Overall prevalences of be...

journal_title：Antimicrobial agents and chemotherapy

authors： Doern GV,Jones RN,Pfaller MA,Kugler K

更新日期：1999-02-01 00:00:00

abstract：:ColE1 plasmids are small mobilizable replicons that play an important role in the spread of antibiotic resistance in Pasteurellaceae In this study, we describe how a natural single nucleotide polymorphism (SNP) near the origin of replication of the ColE1-type plasmid pB1000 found in a Pasteurella multocida clinical is...

journal_title：Antimicrobial agents and chemotherapy

authors： Santos-Lopez A,Bernabe-Balas C,Ares-Arroyo M,Ortega-Huedo R,Hoefer A,San Millan A,Gonzalez-Zorn B

更新日期：2017-01-24 00:00:00

abstract：:Although the use of probiotics based on Bacillus strains to fight off intestinal pathogens and antibiotic-associated diarrhea is widespread, the mechanisms involved in producing their beneficial effects remain unclear. Here, we studied the ability of compounds secreted by the probiotic Bacillus clausii strain O/C to c...

journal_title：Antimicrobial agents and chemotherapy

authors： Ripert G,Racedo SM,Elie AM,Jacquot C,Bressollier P,Urdaci MC

更新日期：2016-05-23 00:00:00

abstract：:Because rifampin-resistant strains of Staphylococcus aureus emerge during monotherapy with this drug, a search was made for potentially useful companion drugs. Bactericidal titers of spiked serum were determined, and time kill studies were performed for 10 strains of methicillin-susceptible S. aureus. We tested rifamp...

journal_title：Antimicrobial agents and chemotherapy

authors： Hackbarth CJ,Chambers HF,Sande MA

更新日期：1986-04-01 00:00:00

abstract：:In vitro susceptibility testing of 28 strains of Eikenella corrodens by the agar dilution technique showed that all strains were uniformly susceptible to penicillin, ticarcillin, cefoxitin, cefotaxime, N-formimidoyl thienamycin, and moxalactam and resistant to clindamycin and cefadroxil. Cefoperazone, piperacillin, an...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Gombert ME,Agyare EO

更新日期：1980-11-01 00:00:00

abstract：:The purpose of this study was to assess the effect of voriconazole on the blood tacrolimus concentration in a liver transplant recipient and to examine the interaction between voriconazole and tacrolimus by using human liver microsomes. Two subjects were enrolled in the clinical study: one received voriconazole, and t...

journal_title：Antimicrobial agents and chemotherapy

authors： Venkataramanan R,Zang S,Gayowski T,Singh N

更新日期：2002-09-01 00:00:00

abstract：:A clinical study was carried out to establish the influence of aluminum on the oral absorption of ofloxacin. Ten healthy volunteers were included in a crossover study based on a Latin square design. The treatments that all volunteers received were A, consisting of 400 mg of ofloxacin, and B, consisting of 400 mg of of...

journal_title：Antimicrobial agents and chemotherapy

authors： Sánchez Navarro A,Martínez Cabarga M,Dominguez-Gil Hurlé A

更新日期：1994-10-01 00:00:00

abstract：:Morganocin 174-induced lethality was characterized by one-hit kinetics. Although it induced simultaneous inhibition of deoxyribonucleic acid, ribonucleic acid, and protein syntheses, the most striking effect of morganocin was a rapid reduction of intracellular adenosine 5'-triphosphate to less than 10% of the initial ...

journal_title：Antimicrobial agents and chemotherapy

authors： Williams JA,Krizsanovich-Williams K

更新日期：1977-09-01 00:00:00

abstract：:Eltrombopag is an orally bioavailable thrombopoietin receptor agonist approved for the treatment of thrombocytopenia associated with chronic immune (idiopathic) thrombocytopenic purpura and chronic hepatitis C virus (HCV) infection. This study evaluated the potential drug-drug interactions between eltrombopag and the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wire MB,Fang L,Hussaini A,Kleha JF,Theodore D

更新日期：2014-11-01 00:00:00