Diffusion of meropenem and imipenem through the outer membrane of Escherichia coli K-12 and correlation with their antibacterial activities.

abstract：:We have developed and validated a high-performance liquid chromatography method coupled with a mass detector to quantify itraconazole, voriconazole, and posaconazole using quinoxaline as the internal standard. The method involves protein precipitation with acetonitrile. Mean accuracy (percent deviation from the true v...

journal_title：Antimicrobial agents and chemotherapy

authors： Baietto L,D'Avolio A,Ventimiglia G,De Rosa FG,Siccardi M,Simiele M,Sciandra M,Di Perri G

更新日期：2010-08-01 00:00:00

abstract：:Treatment options are limited for implant-associated infections (IAI) that are mainly caused by biofilm-forming staphylococci. We report here on the activity of the serrulatane compound 8-hydroxyserrulat-14-en-19-oic acid (EN4), a diterpene isolated from the Australian plant Eremophila neglecta. EN4 elicited antimicro...

journal_title：Antimicrobial agents and chemotherapy

authors： Nowakowska J,Griesser HJ,Textor M,Landmann R,Khanna N

更新日期：2013-01-01 00:00:00

abstract：:Pseudomonas aeruginosa is inherently resistant to most conventional antibiotics. The mechanism of resistance of this bacterium is mainly associated with the low permeability of its outer membrane to these agents. We sought to assess the bactericidal efficacy of liposome-entrapped aminoglycosides against resistant clin...

journal_title：Antimicrobial agents and chemotherapy

authors： Mugabe C,Halwani M,Azghani AO,Lafrenie RM,Omri A

更新日期：2006-06-01 00:00:00

abstract：:To investigate the occurrence of multinucleoside analog resistance during therapy failure, we surveyed the drug susceptibilities and genotypes of nearly 900 human immunodeficiency virus type 1 (HIV-1) samples. For 302 of these, the 50% inhibitory concentrations of at least four of the approved nucleoside analogs had f...

journal_title：Antimicrobial agents and chemotherapy

authors： Larder BA,Bloor S,Kemp SD,Hertogs K,Desmet RL,Miller V,Sturmer M,Staszewski S,Ren J,Stammers DK,Stuart DI,Pauwels R

更新日期：1999-08-01 00:00:00

abstract：:SM-1652 (sodium 7-[D(-)-alpha-(4-hydroxy-6-methylpyridine-3-carboxamido)-alpha-(4-hydroxyphenyl)acetamido]-3-[(1-methyl-1H-tetrazol-5-yl) thiomethyl]-3-cephem-4-carboxylate) is a new semisynthetic cephalosporin derivative with a broad spectrum of antibacterial activity. Its in vitro activity against gram-positive bact...

journal_title：Antimicrobial agents and chemotherapy

authors： Fukasawa M,Noguchi H,Okuda T,Komatsu T,Yano K

更新日期：1983-02-01 00:00:00

abstract：:Medicinal herbs may cause clinically relevant drug interactions with antiretroviral agents. Ginkgo biloba extract is a popular herbal product among HIV-infected patients because of its positive effects on cognitive function. Raltegravir, an HIV integrase inhibitor, is increasingly being used as part of combined antire...

journal_title：Antimicrobial agents and chemotherapy

authors： Blonk M,Colbers A,Poirters A,Schouwenberg B,Burger D

更新日期：2012-10-01 00:00:00

abstract：:Gentamicin is a commonly used antibiotic for the treatment of gram-negative-bacterial infections. Bacterial endotoxin is liberated during antibiotic therapy, and we have shown that endotoxemic animals accumulate more aminoglycosides in their renal parenchyma than normal animals. Vasoactive mediators, such as prostagla...

journal_title：Antimicrobial agents and chemotherapy

authors： Bergeron MG,Bergeron Y,Tardif M,Marchand S,Beauchamp D

更新日期：1989-08-01 00:00:00

abstract：:The effect of ganciclovir [9-(1,3-dihydroxy-2-propoxymethyl)guanine] on herpes simplex virus type 1 DNA and protein synthesis was studied. Ganciclovir markedly inhibited the synthesis of viral DNA and gamma proteins in a dose-dependent manner. However, the synthesis of viral beta proteins was significantly increased b...

journal_title：Antimicrobial agents and chemotherapy

authors： Chun YS,Park NH

更新日期：1987-02-01 00:00:00

abstract：:A collection of 2,278 isolates belonging to 86 different fungal species was tested with micafungin and eight other drugs using the EUCAST procedures. Micafungin was active against species of Candida and Aspergillus (even azole-resistant species) as well as Penicillium spp., Scedosporium apiospermum, and Acremonium spp...

journal_title：Antimicrobial agents and chemotherapy

authors： Cuenca-Estrella M,Gomez-Lopez A,Mellado E,Monzon A,Buitrago MJ,Rodriguez-Tudela JL

更新日期：2009-05-01 00:00:00

abstract：:The binding of antibiotics to plasma (serum) proteins through hydrogen bonding can significantly influence the biological characteristics of these drugs. A rapid spectrophotometric assay has been developed that measures the level of free (unbound) penem antibiotic in serum ultrafiltrates. Whole human serum was adjuste...

journal_title：Antimicrobial agents and chemotherapy

authors： Gootz TD,Subashi TA,Lindner DL

更新日期：1988-02-01 00:00:00

abstract：:A portion of the Mycobacterium tuberculosis gene encoding the beta subunit of RNA polymerase (rpoB) was amplified by PCR using degenerate oligonucleotides and used as a hybridization probe to isolate plasmid clones carrying the entire rpoB gene of M. tuberculosis H37Rv, a virulent, rifampin-susceptible strain. Sequenc...

journal_title：Antimicrobial agents and chemotherapy

authors： Miller LP,Crawford JT,Shinnick TM

更新日期：1994-04-01 00:00:00

abstract：:The plasma elimination rates of serial 2-g intravenous injections of ceftriaxone were studied in a patient who also was treated with therapeutic plasma exchange pheresis. Plasmapheresis had negligible influence on the total clearance of ceftriaxone. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bakken JS,Cavalieri SJ,Gangeness D

更新日期：1990-06-01 00:00:00

abstract：:Hepatitis C virus (HCV) inhibitors include direct-acting antivirals (DAAs) such as NS3 serine protease inhibitors, nucleoside and nonnucleoside polymerase inhibitors, and host-targeting antivirals (HTAs) such as cyclophilin inhibitors that have been developed in recent years. Drug-resistant HCV variants have been repo...

journal_title：Antimicrobial agents and chemotherapy

authors： Delang L,Vliegen I,Froeyen M,Neyts J

更新日期：2011-09-01 00:00:00

abstract：:Sixty-seven patients were treated with moxalactam in a noncomparative trial of hospitalized patients; 32 had endometritis or chorioamnionitis, 12 had skin and soft tissue infections, 5 had osteomyelitis, 5 had pneumonia, 5 had urinary tract infections, 4 had arthritis, 2 had sepsis from an unknown source, 1 had endoca...

journal_title：Antimicrobial agents and chemotherapy

authors： Marier RL,Faro S,Sanders CV,Williams W,Derks F,Janney A,Aldridge K

更新日期：1982-04-01 00:00:00

abstract：:The spread of extended-spectrum-beta-lactamase (ESBL)-producing organisms, particularly those harboring the CTX-M-type enzymes, both in the hospital and in the community, is difficult to discontinue due to the successful mobilization and evolution of the genetic elements harboring ESBL genes and coresistance rates in ...

journal_title：Antimicrobial agents and chemotherapy

authors： Morosini MI,García-Castillo M,Coque TM,Valverde A,Novais A,Loza E,Baquero F,Cantón R

更新日期：2006-08-01 00:00:00

abstract：:There has been a marked increase in the resistance of Neisseria gonorrhoeae isolated in Korea to penicillin, ampicillin, and tetracycline. In contrast, there has been no increased resistance to spectinomycin. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wilson C,Rose DL,Tramont EC

更新日期：1976-04-01 00:00:00

abstract：:Tuberculosis is a serious global health threat for which new treatments are urgently needed. This study examined the safety, tolerability, pharmacokinetics, and pharmacodynamics of multiple ascending doses of the oxazolidinone PNU-100480 in healthy volunteers, using biomarkers for safety and efficacy. Subjects were ra...

journal_title：Antimicrobial agents and chemotherapy

authors： Wallis RS,Jakubiec W,Kumar V,Bedarida G,Silvia A,Paige D,Zhu T,Mitton-Fry M,Ladutko L,Campbell S,Miller PF

更新日期：2011-02-01 00:00:00

abstract：:A total of 4,226 Spanish clinical isolates of Candida spp. were analyzed to assess resistance to voriconazole according to breakpoints established by the European Committee for Antimicrobial Susceptibility Testing (where susceptibility [S] to voriconazole corresponds to a MIC of ≤ 0.12 mg/liter). Resistance was uncomm...

journal_title：Antimicrobial agents and chemotherapy

authors： Cuenca-Estrella M,Gomez-Lopez A,Cuesta I,Zaragoza O,Mellado E,Rodriguez-Tudela JL,Antifungal Subcommittee of European Committee on Antimicrobial Susceptibility Testing.

更新日期：2011-04-01 00:00:00

abstract：:As an obligate aerobe, Mycobacterium tuberculosis uses its electron transport chain (ETC) to produce energy via oxidative phosphorylation. This pathway has recently garnered a lot of attention and is a target for several new antimycobacterials. We tested the respiratory adaptation of M. tuberculosis to phenoxyalkylben...

journal_title：Antimicrobial agents and chemotherapy

authors： Berube BJ,Parish T

更新日期：2017-12-21 00:00:00

abstract：:The objective of these studies was to evaluate the exposures of meropenem and vaborbactam that would produce antibacterial activity and prevent resistance development in carbapenem-resistant Klebsiella pneumoniae carbapenemase (KPC)-producing Enterobacteriaceae strains when tested at an inoculum of 108 CFU/ml. Thirtee...

journal_title：Antimicrobial agents and chemotherapy

authors： Sabet M,Tarazi Z,Rubio-Aparicio D,Nolan TG,Parkinson J,Lomovskaya O,Dudley MN,Griffith DC

更新日期：2018-01-25 00:00:00

abstract：:Nitazoxanide (NTZ), a drug currently being tested in human clinical trials for efficacy against chronic cryptosporidiosis, was assessed in cell culture and in two animal models. The inhibitory activity of NTZ was compared with that of paromomycin (PRM), a drug that is partially effective against Cryptosporidium parvum...

journal_title：Antimicrobial agents and chemotherapy

authors： Theodos CM,Griffiths JK,D'Onfro J,Fairfield A,Tzipori S

更新日期：1998-08-01 00:00:00

abstract：:Activity against the coccidial pathogen Eimeria tenella in chickens has been discovered among alpha 2 adrenergic agonists. The clonidine analog 7-bromo-N-(2-imidazolidinylidene)-1H-indazol-6-amine was active in feed at 7.5 ppm, a concentration similar to the use levels of potent commercial agents, e.g., maduramicin. A...

journal_title：Antimicrobial agents and chemotherapy

authors： McFarland JW,Ricketts AP,Newcomb DM,Shively JE,Glazer EA

更新日期：1992-02-01 00:00:00

abstract：:Many of the nitroaromatic agents used in medicine function as prodrugs and must undergo activation before exerting their toxic effects. In most cases, this is catalyzed by flavin mononucleotide (FMN)-dependent type I nitroreductases (NTRs), a class of enzyme absent from higher eukaryotes but expressed by bacteria and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Voak AA,Seifert K,Helsby NA,Wilkinson SR

更新日期：2014-01-01 00:00:00

abstract：:All cells need to protect themselves against the osmotic challenges of their environment by maintaining low permeability to ions across their cell membranes. This is a basic principle of cellular function, which is reflected in the interactions among ion transport and drug efflux genes that have arisen during cellular...

journal_title：Antimicrobial agents and chemotherapy

authors： Cohen BE

更新日期：2014-01-01 00:00:00

abstract：:How HIV-1 resistant to small-molecule CCR5 antagonists uses the coreceptor for entry has been studied in a limited number of isolates. We characterized dependence on the N terminus (NT) and the second extracellular loop (ECL2) of CCR5 of three vicriviroc (VCV)-resistant clinical isolates broadly cross-resistant to oth...

journal_title：Antimicrobial agents and chemotherapy

authors： Henrich TJ,Lewine NR,Lee SH,Rao SS,Berro R,Gulick RM,Moore JP,Tsibris AM,Kuritzkes DR

更新日期：2012-04-01 00:00:00

abstract：:Catheter-associated urinary tract infections (CAUTIs) constitute the majority of nosocomial urinary tract infections (UTIs) and pose significant clinical challenges. These infections are polymicrobial in nature and are often associated with multidrug-resistant pathogens, including uropathogenic Escherichia coli (UPEC)...

journal_title：Antimicrobial agents and chemotherapy

authors： Guiton PS,Cusumano CK,Kline KA,Dodson KW,Han Z,Janetka JW,Henderson JP,Caparon MG,Hultgren SJ

更新日期：2012-09-01 00:00:00

abstract：:Previous studies have shown that various short- and medium-chain free fatty acids (FFAs) and their corresponding monoacylglycerol esters (MGs) have antibacterial activity in vitro against primarily gram-positive bacteria. More recent studies have also shown that the growth of Helicobacter spp. is inhibited by linoleic...

journal_title：Antimicrobial agents and chemotherapy

authors： Petschow BW,Batema RP,Ford LL

更新日期：1996-02-01 00:00:00

abstract：:The association of an IS440-sul3 platform with Tn21 class 1 integrons carried by IncI1 plasmids encoding extended-spectrum β-lactamases (ESBLs; mainly SHV-12 and CTX-M-14) among worldwide Escherichia coli clones of phylogroups A (ST10, ST23, and ST46), B1 (ST155, ST351, and ST359), and D/B2 (ST131) is reported. An in ...

journal_title：Antimicrobial agents and chemotherapy

authors： Curiao T,Cantón R,Garcillán-Barcia MP,de la Cruz F,Baquero F,Coque TM

更新日期：2011-05-01 00:00:00

abstract：:The transfer of DNA between Enterococcus faecium strains has been characterized both by the movement of well-defined genetic elements and by the large-scale transfer of genomic DNA fragments. In this work, we report on the whole-genome analysis of transconjugants resulting from mating events between the vancomycin-res...

journal_title：Antimicrobial agents and chemotherapy

authors： García-Solache M,Lebreton F,McLaughlin RE,Whiteaker JD,Gilmore MS,Rice LB

更新日期：2016-09-23 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