Action of polymyxin B on bacterial membranes: phosphatidylglycerol- and cardiolipin-induced susceptibility to polymyxin B in Acholeplasma laidlawii B.

abstract：:Invasive pulmonary aspergillosis (IPA) is a life-threatening disease of immunocompromised patients that requires aggressive therapy. Detection of the disease and monitoring of the therapeutic response during IPA are complex, and current molecular diagnostics are not suitably robust. Here, we explored proteomic profile...

journal_title：Antimicrobial agents and chemotherapy

authors： Krel M,Petraitis V,Petraitiene R,Jain MR,Zhao Y,Li H,Walsh TJ,Perlin DS

更新日期：2014-06-01 00:00:00

abstract：:ICESp1116, responsible for erm(B)-mediated, inducible erythromycin resistance in Streptococcus pyogenes, was comprehensively characterized, and its chromosomal integration site was determined. It displayed a unique mosaic organization consisting of a scaffold, related to TnGallo1 from Streptococcus gallolyticus, with ...

journal_title：Antimicrobial agents and chemotherapy

authors： Brenciani A,Tiberi E,Morici E,Oryasin E,Giovanetti E,Varaldo PE

更新日期：2012-12-01 00:00:00

abstract：:Antibiotic penetration to the infection site is critical for obtaining a good clinical outcome in patients with ventilator-associated pneumonia (VAP). Surprisingly few studies have quantified the penetration of β-lactam agents into the lung, as measured by the ratio of area under the concentration-time curve (AUC) in ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lodise TP,Sorgel F,Melnick D,Mason B,Kinzig M,Drusano GL

更新日期：2011-04-01 00:00:00

abstract：:The epileptogenic activity of imipenem was investigated in rats with experimental renal failure induced by uranyl nitrate injection by using electroencephalogram (EEG) recording and a pharmacokinetic-pharmacodynamic model including an effect compartment. Results previously obtained with healthy rats were used to estim...

journal_title：Antimicrobial agents and chemotherapy

authors： Dupuis A,Limosin A,Paquereau J,Mimoz O,Couet W,Bouquet S

更新日期：2001-12-01 00:00:00

abstract：:Cystathionine gamma-lyase (EC 4.4.1.1) was purified from Streptomyces cattleya, an actinomycete which produces the unusual beta-lactam antibiotic thienamycin. The enzyme displays broad substrate specificity and is similar to gamma-lyases purified from other microorganisms. That the gamma-lyase functions in vivo to pro...

journal_title：Antimicrobial agents and chemotherapy

authors： Williamson JM,Meyer R,Inamine E

更新日期：1985-10-01 00:00:00

abstract：:Class D beta-lactamase OXA-57 was identified in a range of isolates of Burkholderia pseudomallei and Burkholderia thailandensis. Comparative kinetic analyses of wild-type and mutant forms of B. pseudomallei OXA-57 are reported. Implications of these data for beta-lactam resistance and the proposed role of Ser-104 in b...

journal_title：Antimicrobial agents and chemotherapy

authors： Keith KE,Oyston PC,Crossett B,Fairweather NF,Titball RW,Walsh TR,Brown KA

更新日期：2005-04-01 00:00:00

abstract：:Thirty-five strains of Pasteurella multocida from humans and animals were tested for susceptibility to five cephalosporins by a broth dilution method. Cefcanel showed high activity against all isolates (MIC and MBC, less than or equal to 0.64 micrograms/ml). The corresponding figure for cefaclor and cefuroxime was 2.5...

journal_title：Antimicrobial agents and chemotherapy

authors： Holst E,Rollof J,Miörner H

更新日期：1989-12-01 00:00:00

abstract：:A mixed culture of an hypermutable hexA Streptococcus pneumoniae mutant strain and its hexA(+) isogenic ancestor was challenged with low cefotaxime concentrations. Despite identical original cefotaxime MICs, the hexA mutant population was significantly selected at very low concentrations, and all of the tested selecte...

journal_title：Antimicrobial agents and chemotherapy

authors： Negri MC,Morosini MI,Baquero MR,del Campo R,Blázquez J,Baquero F

更新日期：2002-02-01 00:00:00

abstract：:A mouse model was developed to evaluate the efficacy of antibiotic treatment of pneumonic plague; streptomycin was compared to antibiotics with which there is little or no clinical experience. Infection was induced by inhalation of aerosolized Yersinia pestis organisms. Antibiotics were administered by intraperitoneal...

journal_title：Antimicrobial agents and chemotherapy

authors： Byrne WR,Welkos SL,Pitt ML,Davis KJ,Brueckner RP,Ezzell JW,Nelson GO,Vaccaro JR,Battersby LC,Friedlander AM

更新日期：1998-03-01 00:00:00

abstract：:A structurally diverse library of 93 lipophilic di- and tricyclic diaminopyrimidine derivatives was tested for the ability to inhibit recombinant dihydrofolate reductase (DHFR) cloned from human and bovine isolates of Cryptosporidium parvum (J. R. Vásquez et al., Mol. Biochem. Parasitol. 79:153-165, 1996). In parallel...

journal_title：Antimicrobial agents and chemotherapy

authors： Nelson RG,Rosowsky A

更新日期：2001-12-01 00:00:00

abstract：:The efficacy of linezolid and temporin A in the prevention of prosthetic graft infection due to methicillin-resistant Staphylococcus epidermidis with intermediate resistance to glycopeptides was investigated in a subcutaneous rat pouch model. Linezolid and temporin A, alone or combined, greatly reduced the bacterial n...

journal_title：Antimicrobial agents and chemotherapy

authors： Giacometti A,Cirioni O,Ghiselli R,Orlando F,D'Amato G,Kamysz W,Mocchegiani F,Sisti V,Silvestri C,Łukasiak J,Rocchi M,Saba V,Scalise G

更新日期：2004-08-01 00:00:00

abstract：:Daptomycin-nonsusceptible (DAP-NS) Staphylococcus aureus often exhibits gain-in-function mutations in the mprF gene (involved in positive surface charge maintenance). Standard β-lactams, although relatively inactive against methicillin-resistant S. aureus (MRSA), may prevent the emergence of mprF mutations and DAP-NS....

journal_title：Antimicrobial agents and chemotherapy

authors： Jenson RE,Baines SL,Howden BP,Mishra NN,Farah S,Lew C,Berti AD,Shukla SK,Bayer AS,Rose WE

更新日期：2020-08-20 00:00:00

abstract：:The penetration of intravenously administered cefuroxime into ventricular fluid was assessed in five pediatric patients with ventriculoperitoneal shunt infections and in one with a ventriculostomy infection. Patients received a total dose of 200 to 230 mg of cefuroxime per kg of body weight per day administered at 8-h...

journal_title：Antimicrobial agents and chemotherapy

authors： Edwards MS,Baker CJ,Butler KM,Mason EO Jr,Laurent JP,Cheek WR

更新日期：1989-07-01 00:00:00

abstract：:Two classification schemes for beta-lactamases are currently in use. The molecular classification is based on the amino acid sequence and divides beta-lactamases into class A, C, and D enzymes which utilize serine for beta-lactam hydrolysis and class B metalloenzymes which require divalent zinc ions for substrate hydr...

journal_title：Antimicrobial agents and chemotherapy

authors： Bush K,Jacoby GA

更新日期：2010-03-01 00:00:00

abstract：:Nikkomycins are nucleoside-peptide antibiotics produced by Streptomyces species with antifungal activities through the inhibition of chitin synthesis. We investigated the antifungal activities of nikkomycin Z alone and in combination with fluconazole and itraconazole. Checkerboard synergy studies were carried out by a...

journal_title：Antimicrobial agents and chemotherapy

authors： Li RK,Rinaldi MG

更新日期：1999-06-01 00:00:00

abstract：:We tested the ability of antimicrobial agents that act on the cell wall to kill enterococci and found defective killing (a minimal bactericidal concentration/minimal inhibitory concentration ratio of greater than or equal to 32) with both beta-lactams (penicillin G and cephalothin) and non-beta-lactams (vancomycin, cy...

journal_title：Antimicrobial agents and chemotherapy

authors： Krogstad DJ,Pargwette AR

更新日期：1980-06-01 00:00:00

abstract：:Passive antibody administration is a potentially useful approach for the therapy of human Cryptococcus neoformans infections. To evaluate the efficacy of the human immunoglobulin G1 (IgG1) constant region against C. neoformans and to construct murine antibody derivatives with reduced immunogenicities and longer half-l...

journal_title：Antimicrobial agents and chemotherapy

authors： Zebedee SL,Koduri RK,Mukherjee J,Mukherjee S,Lee S,Sauer DF,Scharff MD,Casadevall A

更新日期：1994-07-01 00:00:00

abstract：:We examined the correlation of mutations in the pyrazinamidase (PZase) gene (pncA) with the pyrazinamide (PZA) resistance phenotype with 60 Mycobacterium tuberculosis isolates. PZase activity was determined by the method of Wayne (L. G. Wayne, Am. Rev. Respir. Dis. 109:147-151, 1974), and the entire pncA nucleotide se...

journal_title：Antimicrobial agents and chemotherapy

authors： Morlock GP,Crawford JT,Butler WR,Brim SE,Sikes D,Mazurek GH,Woodley CL,Cooksey RC

更新日期：2000-09-01 00:00:00

abstract：:Replication of measles virus in BSC cells was studied in the presence of enflurane (2-chloro-1,1,2-trifluoroethyl difluoromethyl ether), a commonly used volatile anesthetic agent, and its isomer, isoflurane (1-chloro-2,2,2-trifluoroethyl difluoromethyl ether). At clinical concentrations of the anesthetics (up to 4%), ...

journal_title：Antimicrobial agents and chemotherapy

authors： Knight PR,Nahrwold ML,Bedows E

更新日期：1981-09-01 00:00:00

abstract：:The caspofungin clinical trial database offers an opportunity to assess susceptibility results for Candida pathogens obtained from patients with candidiasis and allows for correlations between efficacy outcomes and MICs. Candida isolates have been identified from patients enrolled in four studies of esophageal candidi...

journal_title：Antimicrobial agents and chemotherapy

authors： Kartsonis N,Killar J,Mixson L,Hoe CM,Sable C,Bartizal K,Motyl M

更新日期：2005-09-01 00:00:00

abstract：:Resistance of Candida albicans to azole antifungal drugs is mediated by two types of efflux pumps, encoded by the MDR1 gene and the CDR gene family. MDR1 mRNA levels in a susceptible clinical isolate are induced by benomyl (BEN) but not by other drugs previously shown to induce MDR1. To monitor MDR1 expression under s...

journal_title：Antimicrobial agents and chemotherapy

authors： Harry JB,Oliver BG,Song JL,Silver PM,Little JT,Choiniere J,White TC

更新日期：2005-07-01 00:00:00

abstract：:MCC-478 is a newly synthesized 2-amino-6-arylthio-9-phosphonomethoxyethylpurine bis(2,2,2-trifluoroethyl) ester derivative. MCC-478 showed a substantially higher (ca. 80-fold) anti-hepatitis B virus (HBV) activity than that of lamivudine, despite no significant anti-human immunodeficiency virus activity. Since the bis...

journal_title：Antimicrobial agents and chemotherapy

authors： Kamiya N,Kubota A,Iwase Y,Sekiya K,Ubasawa M,Yuasa S

更新日期：2002-09-01 00:00:00

abstract：:Penetration of fluconazole into female genital tissues was examined. Fluconazole was administered orally at a dose of 150 mg to patients undergoing total abdominal hysterectomy 1 to 151 h prior to surgery. During surgery, blood, uterus, ovary, and oviduct were sampled. Fluconazole concentrations in each tissue were de...

journal_title：Antimicrobial agents and chemotherapy

authors： Mikamo H,Kawazoe K,Sato Y,Izumi K,Ito T,Ito K,Tamaya T

更新日期：1999-01-01 00:00:00

abstract：:As opposed to Enterococcus faecalis, which is intrinsically resistant to lincosamides, streptogramins A, and pleuromutilins (LSAP phenotype) by production of the ABC protein Lsa(A), Enterococcus faecium is naturally susceptible. Since this phenotype may be selected for in vivo by quinupristin-dalfopristin (Q-D), the a...

journal_title：Antimicrobial agents and chemotherapy

authors： Isnard C,Malbruny B,Leclercq R,Cattoir V

更新日期：2013-09-01 00:00:00

abstract：:Carbapenem-resistant Enterobacteriaceae carrying New Delhi metallo-β-lactamase 1 (NDM-1) have rarely been reported in Latin America. We report of an outbreak caused by a blaNDM-1-harboring plasmid spread through different bacterial species, including Escherichia coli (ST617) and Enterobacter cloacae (ST182) isolates f...

journal_title：Antimicrobial agents and chemotherapy

authors： Torres-González P,Bobadilla-Del Valle M,Tovar-Calderón E,Leal-Vega F,Hernández-Cruz A,Martínez-Gamboa A,Niembro-Ortega MD,Sifuentes-Osornio J,Ponce-de-León A

更新日期：2015-11-01 00:00:00

abstract：:More than 10(6) compounds were evaluated in a human immunodeficiency virus type 1 (HIV-1) high-throughput antiviral screen, resulting in the identification of a novel HIV-1 inhibitor (UK-201844). UK-201844 exhibited antiviral activity against HIV-1 NL4-3 in MT-2 and PM1 cells, with 50% effective concentrations of 1.3 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Blair WS,Cao J,Jackson L,Jimenez J,Peng Q,Wu H,Isaacson J,Butler SL,Chu A,Graham J,Malfait AM,Tortorella M,Patick AK

更新日期：2007-10-01 00:00:00

abstract：:BMY-28864, a water-soluble pradimicin derivative, had potent in vitro activity against a wide variety of fungi, including those associated with deep-seated mycosis; it inhibited the growth of standard strains and clinical isolates at concentrations of 12.5 micrograms/ml or less. At the MIC or higher concentrations, BM...

journal_title：Antimicrobial agents and chemotherapy

authors： Kakushima M,Masuyoshi S,Hirano M,Shinoda M,Ohta A,Kamei H,Oki T

更新日期：1991-11-01 00:00:00

abstract：:A Klebsiella pneumoniae strain resistant to third-generation cephalosporins was isolated in the eastern Netherlands. The strain was found to carry a novel extended-spectrum beta-lactamase, namely, SHV-31. The combination of the two mutations by which SHV-31 differs from SHV-1, namely, L35Q and E240K, had previously on...

journal_title：Antimicrobial agents and chemotherapy

authors： Mazzariol A,Roelofsen E,Koncan R,Voss A,Cornaglia G

更新日期：2007-03-01 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：:In most experiments when aminoglycoside antibiotic (AG) tissue levels are measured, the AG is extracted into buffered media. The data from this study reveal that buffer extraction results in only partial recovery of AG from tissues and that total recovery can be obtained after NaOH or trichloroacetic acid treatment. T...

journal_title：Antimicrobial agents and chemotherapy

authors： Fox KE

更新日期：1989-04-01 00:00:00