Emergence of Carbapenem-Resistant Serotype K1 Hypervirulent Klebsiella pneumoniae Strains in China.

abstract：:The continued evolution of bacterial resistance to the β-lactam class of antibiotics has necessitated countermeasures to ensure continued effectiveness in the treatment of infections caused by bacterial pathogens. One relatively successful approach has been the development of new β-lactam analogs with advantages over ...

journal_title：Antimicrobial agents and chemotherapy

authors： Cotroneo N,Rubio A,Critchley IA,Pillar C,Pucci MJ

更新日期：2020-07-22 00:00:00

abstract：:The human fungal pathogen Candida albicans develops drug resistance after long-term exposure to azole drugs in the treatment of chronic candidiasis. Gain-of-function (GOF) mutations in the transcription factor Tac1 and the consequent expression of its targets, drug efflux pumps Cdr1 and Cdr2, are a common mechanism by...

journal_title：Antimicrobial agents and chemotherapy

authors： Liu Z,Myers LC

更新日期：2017-10-24 00:00:00

abstract：:The population pharmacokinetics of tafenoquine were studied in Australian soldiers taking tafenoquine for malarial prophylaxis. The subjects (476 males and 14 females) received a loading dose of 200 mg tafenoquine base daily for 3 days, followed by a weekly dose of 200 mg tafenoquine for 6 months. Blood samples were c...

journal_title：Antimicrobial agents and chemotherapy

authors： Charles BG,Miller AK,Nasveld PE,Reid MG,Harris IE,Edstein MD

更新日期：2007-08-01 00:00:00

abstract：:Although acetylsalicylic acid does not itself induce interferon, acetylsalicylic acid was found to significantly enhance the production of both human alpha interferon and human gamma interferon when added with the appropriate inducers to cultures of human peripheral blood mononuclear cells. The mechanisms associated w...

journal_title：Antimicrobial agents and chemotherapy

authors： Yousefi S,Chiu J,Carandang G,Archibeque EG,Vaziri N,Cesario TC

更新日期：1987-01-01 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：:Mutants of feline immunodeficiency virus (FIV) were selected in cell culture in the continuous presence of 10 microM (each) 3'-azido-3'-deoxythymidine (AZT) and 2',3'-dideoxyinosine (ddI). These mutants (AIR-1 and AIR-3) displayed a 13-fold resistance to AZT but had less than a 2-fold decrease in susceptibility to ddI...

journal_title：Antimicrobial agents and chemotherapy

authors： Gobert JM,Remington KM,Zhu YQ,North TW

更新日期：1994-04-01 00:00:00

abstract：:Various fluoroquinolones (norfloxacin, enoxacin, ofloxacin, levofloxacin, and sparfloxacin) induce DnaK and GroEL heat shock proteins in Escherichia coli. The induction is transient, consistent with the kinetics of cellular DNA relaxation. The concentrations of fluoroquinolones required for induction are similar to th...

journal_title：Antimicrobial agents and chemotherapy

authors： Mizushima T,Matsuo M,Sekimizu K

更新日期：1997-01-01 00:00:00

abstract：:The objectives of this study were to (i) construct a population pharmacokinetic (PK) model able to describe vancomycin (VAN) concentrations in serum in pediatric patients, (ii) determine VAN PK parameters in this population, and (iii) validate the predictive ability of this model in a naive pediatric population. Data ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lamarre P,Lebel D,Ducharme MP

更新日期：2000-02-01 00:00:00

abstract：:Analogues based on the insect cecropin-bee melittin hybrid peptide (CEME) were studied and analyzed for activity and salt resistance. The new variants were designed to have an increase in amphipathic alpha-helical content (CP29 and CP26) and in overall positive charge (CP26). The alpha-helicity of these peptides was d...

journal_title：Antimicrobial agents and chemotherapy

authors： Friedrich C,Scott MG,Karunaratne N,Yan H,Hancock RE

更新日期：1999-07-01 00:00:00

abstract：:Monensin is a polyether ionophore antibiotic that is widely used in the control of coccidia in animals. Despite its significance in veterinary medicine, little is known about its mode of action and potential mechanisms of resistance in coccidian parasites. Here we show that monensin causes accumulation of the coccidia...

journal_title：Antimicrobial agents and chemotherapy

authors： Lavine MD,Arrizabalaga G

更新日期：2011-02-01 00:00:00

abstract：:Desbutyl-benflumetol (DBB) is a novel antimalarial compound closely related to benflumetol (lumefantrine), of which it is a putative metabolite. The in vitro response of Plasmodium falciparum to DBB was studied in Mae Hong Son and Mae Sot, in northwest Thailand, in 1997 and 1998. In total, 155 fresh isolates were succ...

journal_title：Antimicrobial agents and chemotherapy

authors： Noedl H,Allmendinger T,Prajakwong S,Wernsdorfer G,Wernsdorfer WH

更新日期：2001-07-01 00:00:00

abstract：:Butylated hydroxytoluene (BHT) is a potent inactivator of the enveloped bacterial virus ø6 at concentrations as low as 3 x 10(-5) M. The viral envelope is not removed by BHT treatment, in contrast to the effects of exposure to the detergent Triton X-100. BHT-treated viruses are morphologically indistinguishable from c...

journal_title：Antimicrobial agents and chemotherapy

authors： Wanda P,Cupp J,Snipes W,Deith A,Rucinsky T,Polish L,Sands J

更新日期：1976-07-01 00:00:00

abstract：:A new, rapid method for measuring serum levels of nafcillin by spectrofluorometry is described. The method involves extraction of 2 ml of acidified serum with n-butyl chloride, subjecting the organic solvent layer to excitation at 340 nm, and measuring the relative intensity of emission fluorescence at 380 nm. An exce...

journal_title：Antimicrobial agents and chemotherapy

authors： Lichtenwalner DM,Suh B,Lorber B,Sugar AM

更新日期：1979-08-01 00:00:00

abstract：:Intranasal inoculation of newborn mice with Herpesvirus hominis type 2 provides an experimental infection that closely resembles disseminated herpesvirus infection of human newborn infants. After inoculation of mice, the virus multiplies in the respiratory tract and is disseminated through the blood to the liver and s...

journal_title：Antimicrobial agents and chemotherapy

authors： Kern ER,Overall JC Jr,Glasgow LA

更新日期：1975-05-01 00:00:00

abstract：:Seven clinical isolates of Shigella sonnei with reduced susceptibilities to fluoroquinolones (sparfloxacin, ciprofloxacin, and ofloxacin) were obtained. The MICs of fluoroquinolones against these S. sonnei strains were 16 to 32 times higher than those obtained against typical strains that are highly susceptible to the...

journal_title：Antimicrobial agents and chemotherapy

authors： Horiuchi S,Inagaki Y,Yamamoto N,Okamura N,Imagawa Y,Nakaya R

更新日期：1993-11-01 00:00:00

abstract：:Unlike mammalian cells, malarial parasites are completely dependent on the de novo pyrimidine pathway and lack the enzymes to salvage preformed pyrimidines. In the present study, first, it is shown that 1843U89, even without polyglutamylation, is a potent folate-based inhibitor of purified malarial parasite thymidylat...

journal_title：Antimicrobial agents and chemotherapy

authors： Jiang L,Lee PC,White J,Rathod PK

更新日期：2000-04-01 00:00:00

abstract：:The main aim of this study was to develop a standardized experimental assay to enable differential antimicrobial comparisons of test biocidal aerosols. This study represents the first chlorine-matched comparative assessment of the antimicrobial activities of aerosolized sodium hypochlorite, chlorine dioxide, and elect...

journal_title：Antimicrobial agents and chemotherapy

authors： Thorn RM,Robinson GM,Reynolds DM

更新日期：2013-05-01 00:00:00

abstract：:Ceftaroline fosamil is a cephalosporin with activity against Gram-positive pathogens, including methicillin-resistant Staphylococcus aureus (MRSA). The objective of this study was to characterize the dose-response relationship of ceftaroline fosamil against S. aureus in an immunocompromised murine pneumonia model, as ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bhalodi AA,Crandon JL,Biek D,Nicolau DP

更新日期：2012-12-01 00:00:00

abstract：:The incidence of triazole-resistant Aspergillus infections is increasing worldwide, often mediated through mutations in the CYP51A amino acid sequence. New classes of azole-based drugs are required to combat the increasing resistance to existing triazole therapeutics. In this study, a CYP51 reconstitution assay is des...

journal_title：Antimicrobial agents and chemotherapy

authors： Warrilow AG,Parker JE,Price CL,Nes WD,Kelly SL,Kelly DE

更新日期：2015-12-01 00:00:00

abstract：:We assessed cutaneous ethanol (ETOH) and isopropanol (ISOP) absorption after intensive (30 times per h) use of alcohol-based hand-rub solutions by healthcare workers (HCWs). ETOH was detectable in the breath of 6/20 HCWs (0.001 to 0.0025%) at 1 to 2 min postexposure and in the serum of 2/20 HCWs at 5 to 7 min postexpo...

journal_title：Antimicrobial agents and chemotherapy

authors： Brown TL,Gamon S,Tester P,Martin R,Hosking K,Bowkett GC,Gerostamoulos D,Grayson ML

更新日期：2007-03-01 00:00:00

abstract：:Moxifloxacin (BAY12-8039) is a new 8-methoxyquinolone shown to be active against Mycobacterium tuberculosis in vitro. We tested moxifloxacin for activity in mice against M. tuberculosis CSU93, a highly virulent, recently isolated clinical strain. The MIC of moxifloxacin for the CSU93 strain was 0.25 microg/ml. The ser...

journal_title：Antimicrobial agents and chemotherapy

authors： Miyazaki E,Miyazaki M,Chen JM,Chaisson RE,Bishai WR

更新日期：1999-01-01 00:00:00

abstract：:The treatment of woodchuck hepatitis virus infections with 1-(2'-deoxy-2'-fluoro-beta-D-arabinofuranosyl)-5-iodocytosine (FIAC) and 1-(2'-deoxy-2'-fluoro-beta-D-arabinofuranosyl)-5-methyluracil (FMAU), given intraperitoneally, caused complete and permanent decrease of serum virus endogenous DNA polymerase and viral DN...

journal_title：Antimicrobial agents and chemotherapy

authors： Fourel I,Hantz O,Watanabe KA,Jacquet C,Chomel B,Fox JJ,Trepo C

更新日期：1990-03-01 00:00:00

abstract：:Beta-lactamase-negative ampicillin-resistant (BLNAR) isolates of Haemophilus influenzae have been emerging in some countries, including Japan. The Clinical and Laboratory Standards Institute has only a susceptible MIC breakpoint (< or = 1 microg/ml) for piperacillin-tazobactam and a disclaimer comment that BLNAR H. in...

journal_title：Antimicrobial agents and chemotherapy

authors： Hirakata Y,Ohmori K,Mikuriya M,Saika T,Matsuzaki K,Hasegawa M,Hatta M,Yamamoto N,Kunishima H,Yano H,Kitagawa M,Arai K,Kawakami K,Kobayashi I,Jones RN,Kohno S,Yamaguchi K,Kaku M

更新日期：2009-10-01 00:00:00

abstract：:Transposon mutagenesis of a clinical isolate of Morganella morganii, G1492 (tigecycline MIC of 4 microg/ml), yielded two insertion knockout mutants for which tigecycline MICs were 0.03 microg/ml. Transposon insertions mapped to acrA, which is constitutively overexpressed in G1492, suggesting a role of the AcrAB efflux...

journal_title：Antimicrobial agents and chemotherapy

authors： Ruzin A,Keeney D,Bradford PA

更新日期：2005-02-01 00:00:00

abstract：:Amphotericin B derivatives, such as MS-8209, have been evaluated as a therapeutic approach to human immunodeficiency virus (HIV) infection. We show that MS-8209, like amphotericin B, increases tumor necrosis factor alpha (TNF-alpha) mRNA expression and TNF-alpha production and consequently HIV replication in human mac...

journal_title：Antimicrobial agents and chemotherapy

authors： Clayette P,Martin M,Beringue V,Dereuddre-Bosquet N,Adjou KT,Seman M,Dormont D

更新日期：2000-02-01 00:00:00

abstract：:The MICs of three new antimicrobial agents of different classes, U-70138F, roxithromycin (RU 965), and ofloxacin (ORF 18489), versus Chlamydia trachomatis in McCoy cell cultures were 0.25, 0.8, and 1.0 microgram/ml, respectively. For each test drug, the MIC and MBC were identical or were within 1 dilution of one anoth...

journal_title：Antimicrobial agents and chemotherapy

authors： Stamm WE,Suchland R

更新日期：1986-11-01 00:00:00

abstract：:The Pseudomonas aeruginosa Mus clinical isolate produces OXA-18, a pI 5.5 class D extended-spectrum beta-lactamase totally inhibited by clavulanic acid (L. N. Philippon, T. Naas, A.-T. Bouthors, V. Barakett, and P. Nordmann, Antimicrob. Agents Chemother. 41:2188-2195, 1997). A second beta-lactamase was cloned, and the...

journal_title：Antimicrobial agents and chemotherapy

authors： Naas T,Sougakoff W,Casetta A,Nordmann P

更新日期：1998-08-01 00:00:00

abstract：:Mupirocin is a topical antibiotic used for the treatment of skin infections and the eradication of methicillin-resistant Staphylococcus aureus carriage. It inhibits bacterial protein synthesis by interfering with isoleucyl-tRNA synthetase activity. High-level mupirocin resistance (MIC of ≥ 512 μg/ml) is mediated by th...

journal_title：Antimicrobial agents and chemotherapy

authors： Seah C,Alexander DC,Louie L,Simor A,Low DE,Longtin J,Melano RG

更新日期：2012-04-01 00:00:00

abstract：:To investigate the effects of posaconazole (POS) and amphotericin B (AMB) combination therapy in cryptococcal infection, we established an experimental model of systemic cryptococcosis in CD1 mice by intravenous injection of three distinct clinical isolates of Cryptococcus neoformans. Therapy was started 24 h after th...

journal_title：Antimicrobial agents and chemotherapy

authors： Barchiesi F,Spreghini E,Schimizzi AM,Maracci M,Giannini D,Carle F,Scalise G

更新日期：2004-09-01 00:00:00

abstract：:The antifungal pentapeptide auristatin PHE was recently shown to interfere with microtubule dynamics and nuclear and cellular division in the opportunistic pathogen Cryptococcus neoformans. To gain a broader understanding of the cellular response of C. neoformans to auristatin PHE, mRNA differential display (DD) and r...

journal_title：Antimicrobial agents and chemotherapy

authors： Woyke T,Berens ME,Hoelzinger DB,Pettit GR,Winkelmann G,Pettit RK

更新日期：2004-02-01 00:00:00