Erythromycin resistance in Borrelia burgdorferi.

abstract：:We studied eight strains of Escherichia coli resistant to high levels of trimethoprim that were isolated over a 6-week period in a commercial breeding flock of broilers. The strains originated from fecal samples and from a carcass immediately after slaughter. Seven of eight strains belonged to the same infrequent biot...

journal_title：Antimicrobial agents and chemotherapy

authors： Chaslus-Dancla E,Gerbaud G,Lagorce M,Lafont JP,Courvalin P

更新日期：1987-05-01 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：:The Michaelis-Menten inhibitory constants (Kis) and the concentrations required for 50% inhibition of the Plasmodium falciparum dihydropteroate synthetase were determined for six sulfa drugs. These drugs inhibited the in vitro growth of P. falciparum (50% lethal concentration) at concentrations of 30 to 500 nM; these ...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang Y,Meshnick SR

更新日期：1991-02-01 00:00:00

abstract：:TEM-24 remains one of the most widespread TEM-type extended-spectrum beta-lactamases (ESBLs) among Enterobacteriaceae. To analyze the reasons influencing its spread and persistence, a multilevel population genetics study was carried out on 28 representative TEM-24 producers from Belgium, France, Portugal, and Spain (1...

journal_title：Antimicrobial agents and chemotherapy

authors： Novais A,Baquero F,Machado E,Cantón R,Peixe L,Coque TM

更新日期：2010-02-01 00:00:00

abstract：:Campylobacter jejuni is a major zoonotic pathogen transmitted to humans via the food chain and is prevalent in chickens, a natural reservoir for this pathogenic organism. Due to the importance of macrolide antibiotics in clinical therapy of human campylobacteriosis, development of macrolide resistance in Campylobacter...

journal_title：Antimicrobial agents and chemotherapy

authors： Luangtongkum T,Shen Z,Seng VW,Sahin O,Jeon B,Liu P,Zhang Q

更新日期：2012-03-01 00:00:00

abstract：:Spiramycins are clinically important 16-member macrolide antibiotics produced by Streptomyces ambofaciens. Biosynthetic studies have established that the earliest lactonic intermediate in spiramycin biosynthesis, the macrolactone platenolide I, is synthesized by a type I modular polyketide synthase (PKS). Platenolide ...

journal_title：Antimicrobial agents and chemotherapy

authors： Nguyen HC,Darbon E,Thai R,Pernodet JL,Lautru S

更新日期：2013-08-01 00:00:00

abstract：:Since November 1982 at the Sainte-Justine Hospital in Montreal, ampicillin and cefotaxime were used in association as initial treatment (greater than or equal to 48 h) for childhood bacterial meningitis. In this report is described the in vitro interaction of the new regimen in comparison with that of the previous amp...

journal_title：Antimicrobial agents and chemotherapy

authors： Lapointe JR,Lavallée C,Michaud A,Chicoine L,Joncas JH

更新日期：1986-04-01 00:00:00

abstract：:Bloodstream infection (BSI) due to multidrug-resistant Klebsiella is associated with high rates of morbidity and mortality. The aim of this study was to identify predictors of in-hospital mortality among patients with BSI due to ceftazidime-resistant (CAZ-R) Klebsiella pneumoniae at a tertiary care medical center. Pat...

journal_title：Antimicrobial agents and chemotherapy

authors： Anderson DJ,Engemann JJ,Harrell LJ,Carmeli Y,Reller LB,Kaye KS

更新日期：2006-05-01 00:00:00

abstract：:The in vitro activities of 25 quinolones and fluoroquinolones against erythrocytic stages of Plasmodium falciparum and against liver stages of Plasmodium yoelii yoelii and P. falciparum were studied. All compounds were inhibitory for chloroquine-sensitive and chloroquine-resistant P. falciparum grown in red blood cell...

journal_title：Antimicrobial agents and chemotherapy

authors： Mahmoudi N,Ciceron L,Franetich JF,Farhati K,Silvie O,Eling W,Sauerwein R,Danis M,Mazier D,Derouin F

更新日期：2003-08-01 00:00:00

abstract：:Lung infections caused by Mycobacterium abscessus are emerging as a global threat to individuals with cystic fibrosis and to other patient groups. Recent evidence for human-to-human transmission worsens the situation. M. abscessus is an intrinsically multidrug-resistant pathogen showing resistance to even standard ant...

journal_title：Antimicrobial agents and chemotherapy

authors： Aziz DB,Low JL,Wu ML,Gengenbacher M,Teo JWP,Dartois V,Dick T

更新日期：2017-05-24 00:00:00

abstract：:Forty years after the last endemic smallpox case, variola virus (VARV) is still considered a major threat to humans due to its possible use as a bioterrorism agent. For many years, the risk of disease reemergence was thought to solely be through deliberate misuse of VARV strains kept in clandestine laboratories. Howev...

journal_title：Antimicrobial agents and chemotherapy

authors： Delaune D,Iseni F

更新日期：2020-03-24 00:00:00

abstract：:The pharmacokinetics of cefprozil were determined with 12 volunteers (8 received cefprozil and 4 received a placebo) after oral administration of 500 mg every 12 h over an 8-day period in a randomized, double-blind, placebo-controlled design. Concentrations in serum and urine were measured by high-pressure liquid chro...

journal_title：Antimicrobial agents and chemotherapy

authors： Lode H,Müller C,Borner K,Nord CE,Koeppe P

更新日期：1992-01-01 00:00:00

abstract：:Intravenous ampicillin-sulbactam is effective in the treatment of various infections in adults, but little is known about the pharmacokinetics (PK) of ampicillin-sulbactam in children. The objective of this study was to determine the PK of ampicillin and sulbactam in pediatric patients with intra-abdominal infection, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Nahata MC,Vashi VI,Swanson RN,Messig MA,Chung M

更新日期：1999-05-01 00:00:00

abstract：:Clindamycin was given intravenously to 15 patients undergoing colorectal surgery in an initial dose of 600 mg, given at induction of anesthesia followed by 6 doses of 600 mg at 8-h intervals. Series of serum samples and fecal specimens were taken for analysis of clindamycin concentrations. Tissue samples from the gut ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kager L,Liljeqvist L,Malmborg AS,Nord CE

更新日期：1981-12-01 00:00:00

abstract：:We evaluated the potency of garenoxacin in selecting resistant Streptococcus pneumoniae mutants by determining its mutant prevention concentration, using strains with and without topoisomerase gene mutations, and compared its potency to that of other quinolones. Garenoxacin had a significantly greater potency against ...

journal_title：Antimicrobial agents and chemotherapy

authors： Yamamoto K,Yanagihara K,Sugahara K,Imamura Y,Seki M,Izumikawa K,Kakeya H,Yamamoto Y,Hirakata Y,Kamihira S,Kohno S

更新日期：2009-08-01 00:00:00

abstract：:The repurposing of existing drugs is being pursued as a means by which to accelerate the development of novel regimens for the treatment of drug-susceptible and drug-resistant tuberculosis (TB). In the current study, we assessed the activity of the antipsychotic drug thioridazine (TRZ) in combination with the standard...

journal_title：Antimicrobial agents and chemotherapy

authors： Dutta NK,Pinn ML,Karakousis PC

更新日期：2014-07-01 00:00:00

abstract：:The activity of the pradimicin derivative BMS 181184 was evaluated in a model of invasive pulmonary aspergillosis in persistently neutropenic rabbits and compared with that of amphotericin B deoxycholate. BMS 181184 at total daily doses of 50 and 150 mg/kg of body weight was at least as effective as amphotericin B at ...

journal_title：Antimicrobial agents and chemotherapy

authors： Gonzalez CE,Groll AH,Giri N,Shetty D,Al-Mohsen I,Sein T,Feuerstein E,Bacher J,Piscitelli S,Walsh TJ

更新日期：1998-09-01 00:00:00

abstract：:The emergence in the United States of resistance to expanded-spectrum cephalosporin (e.g., ceftriaxone) within the salmonellae has been associated primarily with three large (>100-kb) plasmids (designated types A, B, and C) and one 10.1-kb plasmid (type D) that carry the blaCMY-2 gene. In the present study, the distri...

journal_title：Antimicrobial agents and chemotherapy

authors： Giles WP,Benson AK,Olson ME,Hutkins RW,Whichard JM,Winokur PL,Fey PD

更新日期：2004-08-01 00:00:00

abstract：:Few oral antibiotics exist for the empirical treatment of extended-spectrum β-lactamase (ESBL) urinary tract infections (UTI). In this study, we sought to determine the activity of fosfomycin against ESBL-producing uropathogens from patients at 3 Veterans Affairs (VA) facilities between 2010 and 2013. Among the ESBL u...

journal_title：Antimicrobial agents and chemotherapy

authors： Linsenmeyer K,Strymish J,Weir S,Berg G,Brecher S,Gupta K

更新日期：2015-11-23 00:00:00

abstract：:Dihydrofolate reductase-thymidylate synthase (DHFR-TS) is a well-validated antifolate drug target in certain pathogenic apicomplexans, but not in the genus Babesia, including Babesia gibsoni. Therefore, we isolated, cloned, and expressed the wild-type B. gibsoni dhfr-ts gene in Escherichia coli and evaluated the inhib...

journal_title：Antimicrobial agents and chemotherapy

authors： Aboge GO,Jia H,Terkawi MA,Goo YK,Nishikawa Y,Sunaga F,Namikawa K,Tsuji N,Igarashi I,Suzuki H,Fujisaki K,Xuan X

更新日期：2008-11-01 00:00:00

abstract：:The in vitro susceptibilities of 12 strains of Chlamydia pneumoniae to a new quinolone, trovafloxacin, and ofloxacin, doxycycline, erythromycin, and azithromycin were determined. The activity of trovafloxacin was similar to that of ofloxacin, with a MIC at which 90% of the isolates are inhibited and a minimal concentr...

journal_title：Antimicrobial agents and chemotherapy

authors： Roblin PM,Kutlin A,Hammerschlag MR

更新日期：1997-09-01 00:00:00

abstract：:Deciphering the mode of action (MOA) of new antibiotics discovered through phenotypic screening is of increasing importance. Metabolomics offers a potentially rapid and cost-effective means of identifying modes of action of drugs whose effects are mediated through changes in metabolism. Metabolomics techniques also co...

journal_title：Antimicrobial agents and chemotherapy

authors： Vincent IM,Ehmann DE,Mills SD,Perros M,Barrett MP

更新日期：2016-03-25 00:00:00

abstract：:High-performance liquid chromatography was used to determine the penetration of 19 antimicrobial agents into human polymorphonuclear leukocytes. The ratios of the intracellular concentration to the extracellular concentration of ampicillin, piperacillin, cefazolin, ceftizoxime, cefpimizole, and ceftazidime were all le...

journal_title：Antimicrobial agents and chemotherapy

authors： Koga H

更新日期：1987-12-01 00:00:00

abstract：:Several non-beta-lactam compounds were active against various gram-positive and gram-negative bacterial strains. The MICs of arylalkylidene rhodanines and arylalkylidene iminothiazolidin-4-ones were lower than those of ampicillin and cefotaxime for methicillin-resistant Staphylococcus aureus MI339 and vancomycin-resis...

journal_title：Antimicrobial agents and chemotherapy

authors： Zervosen A,Lu WP,Chen Z,White RE,Demuth TP Jr,Frère JM

更新日期：2004-03-01 00:00:00

abstract：:The resistance mechanisms of methicillin-resistant strains of Staphylococcus saprophyticus were characterized. Penicillin-binding protein (PBP) studies demonstrated an inducible PBP identical to PBP 2a in the membranes of these isolates. The amount of beta-lactamase produced was minimal. PBP 2a is responsible for the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Stratton CW,Gelfand MS,Gerberding JL,Chambers HF

更新日期：1990-09-01 00:00:00

abstract：:Rezafungin (CD101) is a novel echinocandin under development for once-weekly intravenous (i.v.) dosing. We evaluated the pharmacodynamics (PD) of rezafungin against 4 Candida tropicalis and 4 Candida dubliniensis strains, using the neutropenic mouse invasive candidiasis model. The area under the concentration-time cur...

journal_title：Antimicrobial agents and chemotherapy

authors： Lepak AJ,Zhao M,Andes DR

更新日期：2019-10-22 00:00:00

abstract：:New tetracycline and streptomycin resistance genes, tet(44) and ant(6)-Ib, were identified in Campylobacter fetus subsp. fetus within a transferable pathogenicity island that is typically unique to Campylobacter fetus subsp. venerealis. The 640-amino-acid tetracycline resistance determinant, Tet 44, belongs to a class...

journal_title：Antimicrobial agents and chemotherapy

authors： Abril C,Brodard I,Perreten V

更新日期：2010-07-01 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：:The pace of resistance against antibiotics almost exceeds that of the development of new drugs. As many bacteria have become resistant to conventional antibiotics, new drugs or drug resources are badly needed to combat antibiotic-resistant pathogens, like methicillin-resistant Staphylococcus aureus (MRSA). Antimicrobi...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhao Z,Ma Y,Dai C,Zhao R,Li S,Wu Y,Cao Z,Li W

更新日期：2009-08-01 00:00:00

abstract：:Nine carbapenem-resistant Enterobacteriaceae isolates collected from eight patients in five German hospitals were investigated. Six isolates produced the OXA-48 carbapenemase, and three isolates produced OXA-162, which is a point mutant form of OXA-48. Both carbapenemase genes were located on IncL/M-type conjugative p...

journal_title：Antimicrobial agents and chemotherapy

authors： Pfeifer Y,Schlatterer K,Engelmann E,Schiller RA,Frangenberg HR,Stiewe D,Holfelder M,Witte W,Nordmann P,Poirel L

更新日期：2012-04-01 00:00:00