Antibacterial activity of 2',3'-dideoxyadenosine in vivo and in vitro.

abstract：:Macrolactin A (MA) and 7-O-succinyl macrolactin A (SMA), polyene macrolides containing a 24-membered lactone ring, show antibiotic effects superior to those of teicoplanin against vancomycin-resistant enterococci and methicillin-resistant Staphylococcus aureus. MA and SMA are currently being evaluated as antitumor age...

journal_title：Antimicrobial agents and chemotherapy

authors： Bae SH,Kwon MJ,Park JB,Kim D,Kim DH,Kang JS,Kim CG,Oh E,Bae SK

更新日期：2014-09-01 00:00:00

abstract：:The objective of this study was to assess the association between previous antibiotic use, particularly long-term prophylaxis, and the occurrence of subsequent resistant infections in children with index infections due to extended-spectrum-cephalosporin-resistant Enterobacteriaceae We also investigated the concordance...

journal_title：Antimicrobial agents and chemotherapy

authors： Das S,Adler AL,Miles-Jay A,Kronman MP,Qin X,Weissman SJ,Burnham CA,Elward A,Newland JG,Selvarangan R,Sullivan KV,Zaoutis T,Zerr DM

更新日期：2017-04-24 00:00:00

abstract：:The fungus Saprochaete capitata causes opportunistic human infections, mainly in immunocompromised patients with hematological malignancies. The best therapy for this severe infection is still unknown. We evaluated the in vitro killing activity and the in vivo efficacy of posaconazole at 5, 10, or 20 mg/kg twice a day...

journal_title：Antimicrobial agents and chemotherapy

authors： Thomson P,Guarro J,Mayayo E,Capilla J

更新日期：2015-12-01 00:00:00

abstract：:Pseudomonas aeruginosa AH, isolated in Ankara, Turkey, was highly resistant to ceftazidime (MIC, 128 microg/ml) and produced a beta-lactamase that gave a doublet of bands at pIs 8.7 and 8.9. beta-Lactamase production was transferable to P. aeruginosa PU21 by conjugation and was determined by a ca. 450-kb plasmid, pMLH...

journal_title：Antimicrobial agents and chemotherapy

authors： Danel F,Hall LM,Gur D,Livermore DM

更新日期：1997-04-01 00:00:00

abstract：:Aspergillus fumigatus is the primary etiologic agent of invasive aspergillosis (IA), a major cause of death among immunosuppressed patients. Echinocandins (e.g., caspofungin) are increasingly used as second-line therapy for IA, but their activity is only fungistatic. Heat shock protein 90 (Hsp90) was previously shown ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lamoth F,Juvvadi PR,Soderblom EJ,Moseley MA,Steinbach WJ

更新日期：2015-08-01 00:00:00

abstract：:Doravirine is a novel nonnucleoside reverse transcriptase inhibitor in development for use with other antiretroviral therapies to treat human immunodeficiency virus type 1 (HIV-1) infection. Doravirine metabolism predominantly occurs via cytochrome P450 3A with <10% of elimination occurring via the renal pathway. As s...

journal_title：Antimicrobial agents and chemotherapy

authors： Ankrom W,Yee KL,Sanchez RI,Adedoyin A,Fan L,Marbury T,Preston RA,Iwamoto M,Khalilieh SG

更新日期：2018-07-27 00:00:00

abstract：:The susceptibility of 4,929 unselected clinical isolates of bacteria to cefoxitin and cephalothin was determined by the single-disk method, using a computer-associated electronic zone analyzer to obtain, record, and process measurements of sizes of zones of inhibition. Both cefoxitin and cephalothin were effective aga...

journal_title：Antimicrobial agents and chemotherapy

authors： Moellering RC Jr,Dray M,Kunz LJ

更新日期：1974-09-01 00:00:00

abstract：:The objectives of this study were to investigate raltegravir transport across several blood-tissue barrier models and the potential interactions with drug efflux transporters. Raltegravir uptake, accumulation, and permeability were evaluated in vitro in (i) P-glycoprotein (P-gp), breast cancer resistance protein (BCRP...

journal_title：Antimicrobial agents and chemotherapy

authors： Hoque MT,Kis O,De Rosa MF,Bendayan R

更新日期：2015-05-01 00:00:00

abstract：:A fosmid library from genomic DNA of Streptomyces viridochromogenes DSM 40736 was constructed and screened for the presence of genes known to be involved in the biosynthesis of phosphinothricin tripeptide (PTT). Eight positives were identified, one of which was able to confer PTT biosynthetic capability upon Streptomy...

journal_title：Antimicrobial agents and chemotherapy

authors： Blodgett JA,Zhang JK,Metcalf WW

更新日期：2005-01-01 00:00:00

abstract：:Staphylococcin 462 is a proteinaceous inhibitor produced by Staphylococcus aureus strain 462. In broth cultures, susceptible S. aureus strain 140 and 19 respond to treatment with the bacteriocin by stopping growth and cell division. Examination of macromolecular synthesis by measuring the incorporation of radioactive ...

journal_title：Antimicrobial agents and chemotherapy

authors： Hale EM,Hinsdill RD

更新日期：1975-01-01 00:00:00

abstract：:A new natural TEM-2 derivative, named TEM-72, was identified in a Proteus mirabilis strain and in a Morganella morganii strain isolated in Italy in 1999. Compared to TEM-1, TEM-72 contains the following amino acid substitutions: Q39K, M182T, G238S, and E240K. Kinetic analysis showed that TEM-72 exhibits an extended-sp...

journal_title：Antimicrobial agents and chemotherapy

authors： Perilli M,Segatore B,de Massis MR,Riccio ML,Bianchi C,Zollo A,Rossolini GM,Amicosante G

更新日期：2000-09-01 00:00:00

abstract：:After vaginal insertion of a 300-mg ovule of tioconazole in 10 patients with vaginal candidiasis, the mean concentration in plasma was 21.2 ng/ml (range, 10.6 to 35.8 ng/ml) at 8 h and was not measurable at 24 h in 9 of 10 patients. The mean vaginal concentration at 24 h was 21.4 mg/liter (range, 2.4 to 50 mg/liter) a...

journal_title：Antimicrobial agents and chemotherapy

authors： Houang ET,Lawrence AG

更新日期：1985-06-01 00:00:00

abstract：:To determine if saquinavir mesylate (saquinavir) is a substrate of human multidrug resistance-associated protein 1 (hMRP1 [ABCC1]) or hMRP2 (cMOAT, or ABCC2), MDCKII cells that overexpress either hMRP1 (MDCKII-MRP1) or hMRP2 (MDCKII-MRP2) were used to investigate saquinavir's cytotoxicity and transport in comparison w...

journal_title：Antimicrobial agents and chemotherapy

authors： Williams GC,Liu A,Knipp G,Sinko PJ

更新日期：2002-11-01 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：:Treatment of mucocutaneous and cutaneous Candida albicans infections with photosensitizing agents and light, termed photodynamic therapy (PDT), offers an alternative to conventional treatments. Initial studies using the clinically approved photosensitizer Photofrin demonstrated the susceptibility of C. albicans to its...

journal_title：Antimicrobial agents and chemotherapy

authors： Chabrier-Roselló Y,Foster TH,Pérez-Nazario N,Mitra S,Haidaris CG

更新日期：2005-10-01 00:00:00

abstract：:Two TolC homologs, PM0527 and PM1980, were identified for Pasteurella multocida. A pm0527 mutant displayed increased susceptibility to a range of chemicals, including rifampin (512-fold) and acridine orange (128-fold). A pm1980 mutant showed increased susceptibility to rifampin, ceftazidime, and vancomycin. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Hatfaludi T,Al-Hasani K,Dunstone M,Boyce J,Adler B

更新日期：2008-11-01 00:00:00

abstract：:The gene of the Staphylococcus aureus fluoroquinolone efflux transporter protein NorA confers resistance to a number of structurally dissimilar drugs, not just to fluoroquinolones, when it is expressed in Bacillus subtilis. NorA provides B. subtilis with resistance to the same drugs and to a similar extent as the B. s...

journal_title：Antimicrobial agents and chemotherapy

authors： Neyfakh AA,Borsch CM,Kaatz GW

更新日期：1993-01-01 00:00:00

abstract：:Mycobacterium tuberculosis and the fast-growing species Mycobacterium abscessus are two important human pathogens causing persistent pulmonary infections that are difficult to cure and require long treatment times. The emergence of drug-resistant M. tuberculosis strains and the high level of intrinsic resistance of M....

journal_title：Antimicrobial agents and chemotherapy

authors： Gupta R,Rodrigues Felix C,Akerman MP,Akerman KJ,Slabber CA,Wang W,Adams J,Shaw LN,Tse-Dinh YC,Munro OQ,Rohde KH

更新日期：2018-04-26 00:00:00

abstract：:Many pathogenic and commensal organisms are multidrug resistant due to exposure to various antibiotics. Often, this antimicrobial resistance is encoded by integrons that occur on plasmids or that are integrated into the bacterial chromosome. Integrons are commonly associated with bacterial genera in the family Enterob...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein C,Lee MD,Sanchez S,Hudson C,Phillips B,Register B,Grady M,Liebert C,Summers AO,White DG,Maurer JJ

更新日期：2001-03-01 00:00:00

abstract：:A sensitive and specific high-pressure liquid chromatographic method is described for the determination of the antibacterial drug flumequine and a major metabolite, 7-hydroxyflumequine, in human plasma and urine. The assay was linear over a concentration range of 1 to 120 micrograms/ml for both compounds. This method ...

journal_title：Antimicrobial agents and chemotherapy

authors： Harrison LI,Schuppan D,Rohlfing SR,Hansen AR,Hansen CS,Funk ML,Collins SH,Ober RE

更新日期：1984-03-01 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：:The penicillin-binding proteins (PBPs) of a clinical isolate of Staphylococcus aureus specifically resistant to oral cephalosporins were compared with those of a susceptible strain. In the resistant strain, PBP3 (75,000 molecular weight) was missing or had substantially (greater than 100-fold) reduced affinity for pen...

journal_title：Antimicrobial agents and chemotherapy

authors： Georgopapadakou NH,Smith SA,Bonner DP

更新日期：1982-07-01 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：:The capacity for intracellular growth is an important survival strategy for a large group of common pathogens. Helicobacter pylori, the etiological agent for gastritis and duodenal ulcer, has been shown by both in vivo and in vitro studies to have the capacity to invade epithelial cells. In vitro models are used to st...

journal_title：Antimicrobial agents and chemotherapy

authors： Hultén K,Rigo R,Gustafsson I,Engstrand L

更新日期：1996-12-01 00:00:00

abstract：:The in vitro antimicrobial activity of O-demethylfortimicin A (ODMF), a derivative of fortimicin A, was compared with those of fortimicin A and gentamicin against a spectrum of 256 organisms. All three antibiotics were active in low concentrations against all strains of Enterobacteriaceae, Acinetobacter sp., and Staph...

journal_title：Antimicrobial agents and chemotherapy

authors： Girolami RL,Stamm JM

更新日期：1980-11-01 00:00:00

abstract：:The in vitro activity of NVP-PDF386 (VRC4887), a novel new peptide deformylase inhibitor, and those of levofloxacin and clarithromycin were tested against 21 isolates of Chlamydia pneumoniae. The MIC at which 90% of the isolates were inhibited and the minimal bactericidal concentration at which 90% of the isolates wer...

journal_title：Antimicrobial agents and chemotherapy

authors： Roblin PM,Hammerschlag MR

更新日期：2003-04-01 00:00:00

abstract：:The pharmacodynamic effects of metronidazole on Trichomonas vaginalis have been poorly characterized. The present in vitro study was performed to characterize the relationship between killing of trichomonads and metronidazole exposure (metronidazole concentration and time of exposure). Five laboratory strains and five...

journal_title：Antimicrobial agents and chemotherapy

authors： Nix DE,Tyrrell R,Müller M

更新日期：1995-08-01 00:00:00

abstract：:Multidrug-resistant tuberculosis (MDR-TB) threatens global TB control. The lengthy treatment includes one of the injectable drugs kanamycin, amikacin, and capreomycin, usually for the first 6 months. These drugs have potentially serious toxicities, and when given as intramuscular injections, dosing can be painful. Adv...

journal_title：Antimicrobial agents and chemotherapy

authors： Dharmadhikari AS,Kabadi M,Gerety B,Hickey AJ,Fourie PB,Nardell E

更新日期：2013-06-01 00:00:00

abstract：:Two hundred clinical isolates of Haemophilus influenzae were tested for tolerance (MBC/MIC greater than or equal to 32) to ampicillin and cefotaxime by broth dilution tests. Of 200 strains, 9 were tolerant to ampicillin, and 10 were tolerant to cefotaxime. Tolerant organisms were identified in both systemic and nonsys...

journal_title：Antimicrobial agents and chemotherapy

authors： Bergeron MG,Lavoie GY

更新日期：1985-08-01 00:00:00

abstract：:A series of 3,5-dioxopyrazolidines was identified as novel inhibitors of UDP-N-acetylenolpyruvylglucosamine reductase (MurB). Compounds 1 to 3, which are 1,2-bis(4-chlorophenyl)-3,5-dioxopyrazolidine-4-carboxamides, inhibited Escherichia coli MurB, Staphyloccocus aureus MurB, and E. coli MurA with 50% inhibitory conce...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang Y,Severin A,Chopra R,Krishnamurthy G,Singh G,Hu W,Keeney D,Svenson K,Petersen PJ,Labthavikul P,Shlaes DM,Rasmussen BA,Failli AA,Shumsky JS,Kutterer KM,Gilbert A,Mansour TS

更新日期：2006-02-01 00:00:00