β-Lactam resistance in methicillin-resistant Staphylococcus aureus USA300 is increased by inactivation of the ClpXP protease.

abstract：:MarA47(Yp) from Yersinia pestis, showing 47% identity to Escherichia coli MarA in its N terminus, caused resistance to antibiotics and to organic solvents when expressed in both E. coli and Y. pestis. Resistance was linked to increased expression of the AcrAB multidrug efflux pump. In four of five spontaneous multidru...

journal_title：Antimicrobial agents and chemotherapy

authors： Udani RA,Levy SB

更新日期：2006-09-01 00:00:00

abstract：:We have found a close correlation between viral stavudine (d4T) resistance and resistance to d4T-triphosphate at the human immunodeficiency virus type 1 reverse transcriptase (RT) level. RT from site-directed mutants with 69S-XX codon insertions and/or conventional zidovudine resistance mutations seems to be involved ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lennerstrand J,Stammers DK,Larder BA

更新日期：2001-07-01 00:00:00

abstract：:Mupirocin is a topical antimicrobial used to decolonize patients who carry methicillin-resistant Staphylococcus aureus (MRSA), and the topical agent retapamulin may be a potential alternative therapy. The goal of this study was to determine the in vitro activity of retapamulin as well as a panel of 15 antimicrobial ag...

journal_title：Antimicrobial agents and chemotherapy

authors： Harrington AT,Black JA,Clarridge JE 3rd

更新日期：2015-12-14 00:00:00

abstract：:Active nuclear importation of the human immunodeficiency virus (HIV) type 1 (HIV-1) preintegration complex (PIC) is required for the productive infection of nondividing cells, but it is believed to be dispensable for the infection of proliferating cells, such as activated T lymphocytes. To investigate this question, w...

journal_title：Antimicrobial agents and chemotherapy

authors： Haffar OK,Smithgall MD,Popov S,Ulrich P,Bruce AG,Nadler SG,Cerami A,Bukrinsky MI

更新日期：1998-05-01 00:00:00

abstract：:Infections with enterohemorrhagic Escherichia coli (EHEC) cause disease ranging from mild diarrhea to hemolytic-uremic syndrome (HUS) and are the most common cause of renal failure in children in high-income countries. The severity of the disease derives from the release of Shiga toxins (Stx). The use of antibiotics t...

journal_title：Antimicrobial agents and chemotherapy

authors： Mühlen S,Ramming I,Pils MC,Koeppel M,Glaser J,Leong J,Flieger A,Stecher B,Dersch P

更新日期：2020-03-24 00:00:00

abstract：:A set of 20 nucleoside analogs were examined for their inhibitory effects on the cytopathogenicity and growth of influenza virus type A, B, and C strains in Madin-Darby canine kidney (MDCK) cells. Among the compounds evaluated, pyrazofurin, 3-deazaguanine, ribavirin, carbodine, and cyclopentenyl cytosine inhibited vir...

journal_title：Antimicrobial agents and chemotherapy

authors： Shigeta S,Konno K,Yokota T,Nakamura K,De Clercq E

更新日期：1988-06-01 00:00:00

abstract：:We investigated both the structural and functional consequences of modifying the hydrophobic, lipopeptide-mimetic oligo-acyl-lysine (OAK) N(alpha)-hexadecanoyl-l-lysyl-l-lysyl-aminododecanoyl-l-lysyl-amide (c(16)KKc(12)K) to its unsaturated analog hexadecenoyl-KKc(12)K [c(16(omega7))KKc(12)K]. Despite similar tendenci...

journal_title：Antimicrobial agents and chemotherapy

authors： Sarig H,Rotem S,Ziserman L,Danino D,Mor A

更新日期：2008-12-01 00:00:00

abstract：:SDZ MRL 953, a new synthetic monosaccharidic lipid A, was investigated in vitro and in vivo for immunopharmacological activities. In experimental models of microbial infections, the compound was highly protective when it was administered prophylactically either once or three times to myelosuppressed or immunocompetent...

journal_title：Antimicrobial agents and chemotherapy

authors： Lam C,Schütze E,Hildebrandt J,Aschauer H,Liehl E,Macher I,Stütz P

更新日期：1991-03-01 00:00:00

abstract：:Piperacillin is a new semisynthetic, expanded-spectrum penicillin with marked activity against Pseudomonas aeruginosa. The biliary excretion of piperacillin was studied in patients undergoing cholecystectomy. Concentrations of piperacillin in common duct bile at 35 to 90 min postinfusion of 1-g doses ranged from 31 to...

journal_title：Antimicrobial agents and chemotherapy

authors： Giron JA,Meyers BR,Hirschman SZ

更新日期：1981-02-01 00:00:00

abstract：:The P450 enzyme, CYP3A4, extensively metabolizes both amprenavir and clarithromycin. To determine if an interaction exists when these two drugs are coadministered, the pharmacokinetics of amprenavir and clarithromycin were investigated in healthy adult male volunteers. This was a Phase I, open-label, randomized, balan...

journal_title：Antimicrobial agents and chemotherapy

authors： Brophy DF,Israel DS,Pastor A,Gillotin C,Chittick GE,Symonds WT,Lou Y,Sadler BM,Polk RE

更新日期：2000-04-01 00:00:00

abstract：:Inhibition of Escherichia coli by isonicotinic acid hydrazide (isoniazid) is a function of the initial cell concentration, concentration of antibiotic, and chemical composition of the medium. An initial concentration of 5 x 10(5) cells/ml in a minimal medium is inhibited by 1 mM isoniazid. The E. coli cells are protec...

journal_title：Antimicrobial agents and chemotherapy

authors： Tritz GJ

更新日期：1974-03-01 00:00:00

abstract：:An inhibitor-based characterization system which allowed the identification of beta-lactamases after isoelectric focusing on polyacrylamide gels was developed. This system, using potassium clavulanate and oxacillin, distinguished type I chromosomally mediated enzymes from other beta-lactamases of gram-negative bacteri...

journal_title：Antimicrobial agents and chemotherapy

authors： Sanders CC,Sanders WE Jr,Moland ES

更新日期：1986-12-01 00:00:00

abstract：:The genetic basis for fluoroquinolone resistance was examined in 30 high-level fluoroquinolone-resistant Escherichia coli clinical isolates from Beijing, China. Each strain also demonstrated resistance to a variety of other antibiotics. PCR sequence analysis of the quinolone resistance-determining region of the topois...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang H,Dzink-Fox JL,Chen M,Levy SB

更新日期：2001-05-01 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：:Eighty-nine clinical isolates of Staphylococcus aureus that were resistant to both ciprofloxacin (MIC, greater than or equal to 3.13 micrograms/ml) and methicillin (MIC, greater than or equal to 12.5 micrograms/ml) were divided into two groups with respect to their susceptibilities to AT-4140. Most isolates that were ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kojima T,Inoue M,Mitsuhashi S

更新日期：1990-06-01 00:00:00

abstract：:Neisseria meningitidis has been relatively slow to acquire resistance to penicillin. We previously reported an increase in the incidence of invasive meningococcal disease (IMD) strains with decreased susceptibility to penicillin (DSP) in Ontario. Our objectives were to evaluate trends in IMD with DSP, to identify case...

journal_title：Antimicrobial agents and chemotherapy

authors： Brown EM,Fisman DN,Drews SJ,Dolman S,Rawte P,Brown S,Jamieson F

更新日期：2010-03-01 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：:We compared the efficacy of combination posaconazole-liposomal amphotericin B (LAmB) therapy to monotherapy with either drug in diabetic ketoacidotic or neutropenic mice with disseminated zygomycosis caused by Rhizopus oryzae. Combination therapy was no better than LAmB alone, and posaconazole monotherapy did not impr...

journal_title：Antimicrobial agents and chemotherapy

authors： Ibrahim AS,Gebremariam T,Schwartz JA,Edwards JE Jr,Spellberg B

更新日期：2009-02-01 00:00:00

abstract：:The effects of ceftizoxime and gentamicin alone and in combination were determined against 100 Pseudomonas aeruginosa strains. Concentrations of 32 micrograms of ceftizoxime and 8 micrograms of gentamicin per ml inhibited 22 and 43% of the strains, respectively. At concentrations of ceftizoxime and gentamicin that are...

journal_title：Antimicrobial agents and chemotherapy

authors： King JW,Penn RL

更新日期：1984-06-01 00:00:00

abstract：:Thirty-nine fosfomycin-resistant Escherichia coli isolates carrying fosA3 were obtained from pigs, chickens, dairy cows, and staff in four northeastern provinces of China between June 2015 and April 2016. The fosA3 gene was colocated with blaCTX-M genes on conjugative plasmids of the incompatibility groups IncN (n = 1...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang XM,Dong Z,Schwarz S,Zhu Y,Hua X,Zhang Y,Liu S,Zhang WJ

更新日期：2017-08-24 00:00:00

abstract：:Patterns of susceptibility of 45 Proteus penneri clinical isolates to 14 antimicrobial agents were evaluated by a macrobroth dilution method. All strains were highly susceptible to ceftizoxime, ceftazidime, moxalactam, cefoxitin, gentamicin, tobramycin, netilmicin, and, with few exceptions, to amikacin, piperacillin, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Fuksa M,Krajden S,Lee A

更新日期：1984-09-01 00:00:00

abstract：:The 72 Escherichia coli strains of the ECOR collection were examined for resistance to 10 different antimicrobial agents including ampicillin, tetracycline, mercury, trimethoprim, and sulfonamides. Eighteen strains were resistant to at least one of the antibiotics tested, and nearly 20% (14 of 72) were resistant to tw...

journal_title：Antimicrobial agents and chemotherapy

authors： Mazel D,Dychinco B,Webb VA,Davies J

更新日期：2000-06-01 00:00:00

abstract：:Strains of Pseudomonas aeruginosa resistant to either gentamicin or carbenicillin have been noted since their introduction into clinical use. During a 6-month period, twice-weekly cultures were obtained from all patients treated with either gentamicin or carbenicillin and from all patients with a positive culture for ...

journal_title：Antimicrobial agents and chemotherapy

authors： Gaman W,Cates C,Snelling CF,Lank B,Ronald AR

更新日期：1976-03-01 00:00:00

abstract：:Mercury has a long history as an antimicrobial agent effective against eukaryotic and prokaryotic organisms. Despite its prolonged use, the basis for mercury toxicity in prokaryotes is not well understood. Archaea, like bacteria, are prokaryotes but they use a simplified version of the eukaryotic transcription apparat...

journal_title：Antimicrobial agents and chemotherapy

authors： Dixit V,Bini E,Drozda M,Blum P

更新日期：2004-06-01 00:00:00

abstract：:Amphotericin B (AMB) has been a mainstay therapy for fungal infections of the central nervous system, but its use has been limited by its poor penetration into the brain, the mechanism of which remains unclear. In this study, we aimed to investigate the role of P-glycoprotein (P-gp) in AMB crossing the blood-brain bar...

journal_title：Antimicrobial agents and chemotherapy

authors： Wu JQ,Shao K,Wang X,Wang RY,Cao YH,Yu YQ,Lou JN,Chen YQ,Zhao HZ,Zhang QQ,Weng XH,Jiang C,Zhu LP

更新日期：2014-08-01 00:00:00

abstract：:Macrolide-resistant group A streptococci (MRGAS) have been recovered from many countries worldwide. However, the strain typing information that is available has been insufficient for estimating the total number of macrolide-resistant clones, their geographic distributions, and their evolutionary relationships. In this...

journal_title：Antimicrobial agents and chemotherapy

authors： Robinson DA,Sutcliffe JA,Tewodros W,Manoharan A,Bessen DE

更新日期：2006-09-01 00:00:00

abstract：:Colistin is used to treat infections caused by multidrug-resistant gram-negative bacteria (MDR-GNB). It is administered intravenously in the form of colistin methanesulfonate (CMS), which is hydrolyzed in vivo to the active drug. However, pharmacokinetic data are limited. The aim of the present study was to characteri...

journal_title：Antimicrobial agents and chemotherapy

authors： Plachouras D,Karvanen M,Friberg LE,Papadomichelakis E,Antoniadou A,Tsangaris I,Karaiskos I,Poulakou G,Kontopidou F,Armaganidis A,Cars O,Giamarellou H

更新日期：2009-08-01 00:00:00

abstract：:Malaria is the third most significant cause of infectious disease in the world. The search for new antimalarial chemotherapy has become increasingly urgent due to parasite resistance to classical drugs. Trioxaquines are synthetic hybrid molecules containing a trioxane motif (which is responsible for the antimalarial a...

journal_title：Antimicrobial agents and chemotherapy

authors： Benoit-Vical F,Lelièvre J,Berry A,Deymier C,Dechy-Cabaret O,Cazelles J,Loup C,Robert A,Magnaval JF,Meunier B

更新日期：2007-04-01 00:00:00

abstract：:3-O-(3',3'-Dimethylsuccinyl) betulinic acid (DSB), also known as PA-457, bevirimat (BVM), or MPC-4326, is a novel HIV-1 maturation inhibitor. Unlike protease inhibitors, BVM blocks the cleavage of the Gag capsid precursor (CA-SP1) to mature capsid (CA) protein, resulting in the release of immature, noninfectious viral...

journal_title：Antimicrobial agents and chemotherapy

authors： Lu W,Salzwedel K,Wang D,Chakravarty S,Freed EO,Wild CT,Li F

更新日期：2011-07-01 00:00:00

abstract：:Twenty-seven patients with advanced malignancies were given 200 mg of ketoconazole orally every 6 or 12 h. Blood samples were collected during these intervals and after the last dose to determine plasma concentrations and half-lives. The mean plasma concentrations measured after the initial dose were 1.7 +/- 1.1 micro...

journal_title：Antimicrobial agents and chemotherapy

authors： Maksymiuk AW,Levine HB,Bodey GP

更新日期：1982-07-01 00:00:00