Mutations Associated with Decreased Susceptibility to Seven Antimicrobial Families in Field and Laboratory-Derived Mycoplasma bovis Strains.

abstract：:Low-level vancomycin-resistant Staphylococcus aureus (vancomycin-intermediate S. aureus [VISA] and heterogenous VISA [hVISA]) is increasingly reported and leads to glycopeptide treatment failure. Various phenotypic features have been reported for these isolates, but the genetic changes leading to hVISA and VISA have y...

journal_title：Antimicrobial agents and chemotherapy

authors： Howden BP,Johnson PD,Ward PB,Stinear TP,Davies JK

更新日期：2006-09-01 00:00:00

abstract：:Omadacycline is an aminomethylcycline antibiotic with in vitro activity against pathogens causing community-acquired bacterial pneumonia (CABP). This study investigated the activity of omadacycline against Legionella pneumophila strains isolated between 1995 and 2014 from nosocomial or community-acquired respiratory i...

journal_title：Antimicrobial agents and chemotherapy

authors： Dubois J,Dubois M,Martel JF

更新日期：2020-04-21 00:00:00

abstract：:Exposure-response analyses for efficacy and safety were performed for tigecycline-treated patients suffering from community-acquired pneumonia. Data were collected from two randomized, controlled clinical trials in which patients were administered a 100-mg loading dose followed by 50 mg of tigecycline every 12 h. A ca...

journal_title：Antimicrobial agents and chemotherapy

authors： Rubino CM,Bhavnani SM,Forrest A,Dukart G,Dartois N,Cooper A,Korth-Bradley J,Ambrose PG

更新日期：2012-01-01 00:00:00

abstract：:Mitochondrial dysfunction in pathogenic fungi or model yeast causes altered susceptibilities to antifungal drugs. Here we have characterized the role of mitochondrial complex I (CI) of Candida albicans in antifungal susceptibility. Inhibitors of CI to CV, except for CII, increased the susceptibility of both patient an...

journal_title：Antimicrobial agents and chemotherapy

authors： Sun N,Fonzi W,Chen H,She X,Zhang L,Zhang L,Calderone R

更新日期：2013-01-01 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：:Past genotypic studies of Mycobacterium tuberculosis may have incorrectly estimated the importance of specific drug resistance mutations due to a number of sampling biases including an overrepresentation of multidrug-resistant (MDR) isolates. An accurate assessment of resistance mutations is crucial for understanding ...

journal_title：Antimicrobial agents and chemotherapy

authors： Piatek AS,Telenti A,Murray MR,El-Hajj H,Jacobs WR Jr,Kramer FR,Alland D

更新日期：2000-01-01 00:00:00

abstract：:The outer membrane permeability to meropenem and imipenem in Escherichia coli K-12 was investigated, and its porin-deficient mutants were transformed with a constructed vector carrying the carbapenem-hydrolyzing CphA metallo-beta-lactamase gene. By using the method of Zimmermann and Rosselet, meropenem was shown to pe...

journal_title：Antimicrobial agents and chemotherapy

authors： Cornaglia G,Guan L,Fontana R,Satta G

更新日期：1992-09-01 00:00:00

abstract：:The postantibiotic subminimum inhibitory concentration effect (PA SME) may simulate in vivo drug exposure more accurately than the postantibiotic effect (PAE) since subinhibitory concentrations of drug persist between antibiotic dosings. In this study, we compared the PAEs and PA SMEs of levofloxacin and ciprofloxacin...

journal_title：Antimicrobial agents and chemotherapy

authors： Licata L,Smith CE,Goldschmidt RM,Barrett JF,Frosco M

更新日期：1997-05-01 00:00:00

abstract：:The role of extracellular DNA in the maintenance of biofilms formed by gram-positive and gram-negative bacteria was studied. This study evaluated all the bacterial strains that were tested for the presence of extracellular DNA with an average size of 30 kb in the matrix. Our results indicate changes in community bioma...

journal_title：Antimicrobial agents and chemotherapy

authors： Tetz GV,Artemenko NK,Tetz VV

更新日期：2009-03-01 00:00:00

abstract：:The gene ere(A) of the plasmid pIP1100 is larger than originally reported and is organized as an integron gene cassette. The ere(A) gene cassette carries its own promoter and is propagated by a class 2 integron with an insertion sequence element, IS1, inserted upstream of the intI2 gene. The mobility of the ere(A) cas...

journal_title：Antimicrobial agents and chemotherapy

authors： Biskri L,Mazel D

更新日期：2003-10-01 00:00:00

abstract：:Miloxacin, a synthetic antibacterial agent structurally related to oxolinic acid, has a broad spectrum of activity in vitro against gram-negative bacteria and considerable activity in vivo against infections with these bacteria. These observations led to studies on the absorption and excretion of miloxacin in mice, ra...

journal_title：Antimicrobial agents and chemotherapy

authors： Izawa A,Yoshitake A,Komatsu T

更新日期：1980-07-01 00:00:00

abstract：:The human and veterinary disease complex known as African trypanosomiasis continues to inflict significant global morbidity, mortality, and economic hardship. Drug resistance and toxic side effects of old drugs call for novel and unorthodox strategies for new and safe treatment options. We designed methyltriazenyl pur...

journal_title：Antimicrobial agents and chemotherapy

authors： Rodenko B,Wanner MJ,Alkhaldi AA,Ebiloma GU,Barnes RL,Kaiser M,Brun R,McCulloch R,Koomen GJ,de Koning HP

更新日期：2015-11-01 00:00:00

abstract：:The drug Ro5-3335 [7-chloro-5-(2-pyrryl)-3H-1,4-benzodiazepin-2(H)-one] inhibits human immunodeficiency virus type 1 (HIV-1) gene expression at the transcriptional level through interference with Tat-mediated transactivation (M.-C. Hsu, A. D. Schutt, M. Holly, L. W. Slice, M. I. Sherman, D. D. Richman, M. J. Potash, a...

journal_title：Antimicrobial agents and chemotherapy

authors： Witvrouw M,Pauwels R,Vandamme AM,Schols D,Reymen D,Yamamoto N,Desmyter J,De Clercq E

更新日期：1992-12-01 00:00:00

abstract：:Twenty-three isolates of group A streptococci (GAS) recovered from population-based invasive GAS surveillance in the United States were erythromycin resistant, inducibly clindamycin resistant, and lacked known macrolide resistance determinants. These 23 isolates, representing four different clones, contained a broad-h...

journal_title：Antimicrobial agents and chemotherapy

authors： Woodbury RL,Klammer KA,Xiong Y,Bailiff T,Glennen A,Bartkus JM,Lynfield R,Van Beneden C,Beall BW,Active Bacterial Core Surveillance Team.

更新日期：2008-03-01 00:00:00

abstract：:Ceftaroline-avibactam and comparator agents were tested by the broth microdilution method against 20,089 isolates consecutively collected in 2010 and 2011 from 75 U.S. medical centers. Ceftaroline-avibactam was active against Enterobacteriaceae (4,908 strains; MIC90, 0.25 μg/ml; highest MIC, 4 μg/ml), including merope...

journal_title：Antimicrobial agents and chemotherapy

authors： Sader HS,Flamm RK,Jones RN

更新日期：2013-04-01 00:00:00

abstract：:Pulmonary infiltrates in neutropenic hosts with invasive aspergillosis are due to vascular invasion and hemorrhagic infarction. In order to measure the effect of antifungal compounds on this organism-mediated tissue injury, we monitored the course of pulmonary infiltrates by serial ultrafast computerized tomography (U...

journal_title：Antimicrobial agents and chemotherapy

authors： Walsh TJ,Garrett K,Feurerstein E,Girton M,Allende M,Bacher J,Francesconi A,Schaufele R,Pizzo PA

更新日期：1995-05-01 00:00:00

abstract：:Topical administration of live commensal bacteria to the vaginal tract holds significant potential as a cost-effective strategy for the treatment of sexually transmitted infections and the delivery of mucosal vaccines. Probiotic-releasing intravaginal rings (IVRs) embody significant theoretical advantages over traditi...

journal_title：Antimicrobial agents and chemotherapy

authors： Gunawardana M,Mullen M,Yoo J,Webster P,Moss JA,Baum MM

更新日期：2014-01-01 00:00:00

abstract：:The pharmacokinetics and distribution in tissue of several novel triazole antifungal agents were studied in different animal species in order to select an appropriate lead compound. The purpose of the study was also to determine species differences in pharmacokinetics for SYN azoles to select the most appropriate spec...

journal_title：Antimicrobial agents and chemotherapy

authors： Khan JK,Montaseri H,Poglod M,Bu HZ,Zuo Z,Salama SM,Daneshtalab M,Micetich RG

更新日期：2000-04-01 00:00:00

abstract：:Development of anthrax countermeasures that may be used concomitantly in a postexposure setting requires an understanding of the interaction between these products. Anthrax immune globulin intravenous (AIGIV) is a candidate immunotherapeutic that contains neutralizing antibodies against protective antigen (PA), a comp...

journal_title：Antimicrobial agents and chemotherapy

authors： Malkevich NV,Basu S,Rudge TL Jr,Clement KH,Chakrabarti AC,Aimes RT,Nabors GS,Skiadopoulos MH,Ionin B

更新日期：2013-11-01 00:00:00

abstract：:Vaborbactam (formerly RPX7009) is a member of a new class of β-lactamase inhibitor with pharmacokinetic properties similar to those of many β-lactams, including carbapenems. The pharmacokinetics and safety of vaborbactam were evaluated in 80 healthy adult subjects in a first-in-human randomized, placebo-controlled, do...

journal_title：Antimicrobial agents and chemotherapy

authors： Griffith DC,Loutit JS,Morgan EE,Durso S,Dudley MN

更新日期：2016-09-23 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：:Many gram-negative bacteria are known to be remarkably resistant to hydrophobic noxious agents by virtue of their outer membranes (OM). We investigated, by using four different assay methods, the ability of sodium hexametaphosphate (HMP) to disrupt this OM barrier. (i) In the growth inhibition assay, HMP was found to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Vaara M,Jaakkola J

更新日期：1989-10-01 00:00:00

abstract：:Candida biofilm infections pose an increasing threat in the health care setting due to the drug resistance associated with this lifestyle. Several mechanisms underlie the resistance phenomenon. In Candida albicans, one mechanism involves drug impedance by the biofilm matrix linked to β-1,3 glucan. Here, we show this i...

journal_title：Antimicrobial agents and chemotherapy

authors： Mitchell KF,Taff HT,Cuevas MA,Reinicke EL,Sanchez H,Andes DR

更新日期：2013-04-01 00:00:00

abstract：:We have used the endogenous reverse transcriptase reaction of viral core particles from duck liver to elucidate the mechanism of inhibition of duck hepatitis B virus (DHBV) replication by the nucleoside analog (-)-beta-L-2',3'-dideoxy-3'-thiacytidine (3TC). As is the case in human immunodeficiency virus replication, 3...

journal_title：Antimicrobial agents and chemotherapy

authors： Severini A,Liu XY,Wilson JS,Tyrrell DL

更新日期：1995-07-01 00:00:00

abstract：:We have isolated in vitro fluoroquinolone-resistant mutants of the Lyme disease agent, Borrelia burgdorferi. Mutations in parC, which encodes a subunit of topoisomerase IV, were associated with loss of susceptibility to sparfloxacin, moxifloxacin, and Bay-Y3118, but not ciprofloxacin. This is the first description of ...

journal_title：Antimicrobial agents and chemotherapy

authors： Galbraith KM,Ng AC,Eggers BJ,Kuchel CR,Eggers CH,Samuels DS

更新日期：2005-10-01 00:00:00

abstract：:Since beta-lactam antibiotics have concentration-independent killing, bacterial eradication is a function of the time the serum drug concentration remains above the drug's MIC (T > MIC). We compared the serum bactericidal titers (SBTs) of ceftazidime given by continuous infusion (CI) or by intermittent bolus dosing (B...

journal_title：Antimicrobial agents and chemotherapy

authors： Nicolau DP,Nightingale CH,Banevicius MA,Fu Q,Quintiliani R

更新日期：1996-01-01 00:00:00

abstract：:Enfuvirtide is the first fusion and entry inhibitor approved for use for the treatment of human immunodeficiency virus (HIV) type 1 infection and as such represents a novel class of agents. For the population of patients experienced with three antiretroviral classes, enfuvirtide provides an additional option for treat...

journal_title：Antimicrobial agents and chemotherapy

authors： DeJesus E,Gottlieb MS,Gathe JC Jr,Greenberg ML,Guittari CJ,Zolopa AR

更新日期：2008-12-01 00:00:00

abstract：:Ribavirin (RBV) is a broad-spectrum antiviral agent that inhibits the production of infectious Hantaan virus (HTNV). Although the mechanism of action of RBV against HTNV is not understood, RBV is metabolized in human cells to both RBV-5'-monophosphate, which inhibits IMP dehydrogenase, resulting in a decrease in intra...

journal_title：Antimicrobial agents and chemotherapy

authors： Sun Y,Chung DH,Chu YK,Jonsson CB,Parker WB

更新日期：2007-01-01 00:00:00

abstract：:In vitro studies of zidovudine (ZDV) phosphorylation may not accurately reflect the in vivo dose-response relationship, which is crucial to determining the relationship between ZDV exposure, efficacy, and toxicity. However, measurement of ZDV phosphorylated anabolites in peripheral blood mononuclear cells (PBMCs) from...

journal_title：Antimicrobial agents and chemotherapy

authors： Slusher JT,Kuwahara SK,Hamzeh FM,Lewis LD,Kornhauser DM,Lietman PS

更新日期：1992-11-01 00:00:00

abstract：:A micellar formulation of amphotericin B (AmB) solubilized with poloxamer 188 was evaluated against an AmB Leishmania donovani-resistant line. A concave isobologram showed a synergistic effect of this association against promastigotes. This result was confirmed with amastigotes since the 50% effective concentration of...

journal_title：Antimicrobial agents and chemotherapy

authors： Espuelas S,Legrand P,Loiseau PM,Bories C,Barratt G,Irache JM

更新日期：2000-08-01 00:00:00