Mechanism of inhibition of duck hepatitis B virus polymerase by (-)-beta-L-2',3'-dideoxy-3'-thiacytidine.

abstract：:Posaconazole in oral suspension must be taken multiple times a day with food (preferably a high-fat meal) to ensure adequate exposure among patients. We evaluated the effect of food on the bioavailability of a new delayed-release tablet formulation of posaconazole at the proposed clinical dose of 300 mg once daily in ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kersemaekers WM,Dogterom P,Xu J,Marcantonio EE,de Greef R,Waskin H,van Iersel ML

更新日期：2015-01-01 00:00:00

abstract：:Mining existing agents that enhance the therapeutic potential of ergosterol biosynthesis inhibitors (EBI) is a promising approach to improve Chagas disease chemotherapy. In this study, we evaluated the effect of ravuconazole, an EBI, combined with amlodipine, a calcium channel blocker, upon Trypanosoma cruzi experimen...

journal_title：Antimicrobial agents and chemotherapy

authors： Machado YA,Bahia MT,Caldas IS,Mazzeti AL,Novaes RD,Vilas Boas BR,Santos LJS,Martins-Filho OA,Marques MJ,Diniz LF

更新日期：2020-07-22 00:00:00

abstract：:The doripenem MICs at which 90% of the tested strains were inhibited ranged from 0.03 to 1 microg/ml for 10 species of Enterobacteriaceae (n = 351), from 0.03 to 0.12 microg/ml for oxacillin-susceptible staphylococci (n = 119), from 4 to 32 microg/ml for oxacillin-resistant staphylococci (n = 64), from < or =0.008 to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Ge Y,Wikler MA,Sahm DF,Blosser-Middleton RS,Karlowsky JA

更新日期：2004-04-01 00:00:00

abstract：:Thirteen normal subjects were given 2, 3, or 4 g of ceftizoxime intravenously in a prospective single-blinded study. Serum and urine concentrations were measured for 48 h. The beta-phase serum half-life ranged from 1.4 to 1.7 h. Approximately 100% of the agent was recovered unchanged in the urine over 48 h. Six of 13 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Peterson LR,Gerding DN,Van Etta LL,Eckfeldt JH,Larson TA

更新日期：1982-11-01 00:00:00

abstract：:A single point mutation in the 23S rRNA gene of Helicobacter pylori is known to confer resistance to clarithromycin. Most prevalent among clarithromycin-resistant clinical H. pylori isolates are the mutations from A-2142 to G and A-2143 to G in the 23S rRNA gene. The bias in the 23S rRNA gene mutations conferring clar...

journal_title：Antimicrobial agents and chemotherapy

authors： Debets-Ossenkopp YJ,Brinkman AB,Kuipers EJ,Vandenbroucke-Grauls CM,Kusters JG

更新日期：1998-10-01 00:00:00

abstract：:A sequential therapy of caspofungin (CAS) and fluconazole (FLC) administration for treatment of Candida albicans infection was investigated. Treatment with CAS followed by FLC was as effective as CAS treatment given alone for the same duration. Our data suggest that switching from CAS to FLC is a potentially explorabl...

journal_title：Antimicrobial agents and chemotherapy

authors： Barchiesi F,Spreghini E,Baldassarri I,Marigliano A,Arzeni D,Giannini D,Scalise G

更新日期：2004-10-01 00:00:00

abstract：:Clostridioides difficile causes severe antibiotic-associated diarrhea and colitis. C. difficile is an anaerobic, Gram-positive sporeformer that is highly resistant to β-lactams, the most commonly prescribed antibiotics. The resistance of C. difficile to β-lactam antibiotics allows the pathogen to replicate and cause d...

journal_title：Antimicrobial agents and chemotherapy

authors： Sandhu BK,Edwards AN,Anderson SE,Woods EC,McBride SM

更新日期：2019-12-20 00:00:00

abstract：:This work reports, for the first time, the presence of New Delhi metallo-β-lactamase 1 (NDM-1) in Pseudomonas aeruginosa. Moreover, this is the first report of the NDM-1 presence in the Balkan region. Cosmid gene libraries of carbapenem-nonsusceptible Pseudomonas aeruginosa clinical isolates MMA83 and MMA533 were scre...

journal_title：Antimicrobial agents and chemotherapy

authors： Jovcic B,Lepsanovic Z,Suljagic V,Rackov G,Begovic J,Topisirovic L,Kojic M

更新日期：2011-08-01 00:00:00

abstract：:Antibiotic resistance of biofilm-grown bacteria contributes to chronic infections, such as marginal and periapical periodontitis, which are strongly associated with Porphyromonas gingivalis. Concurrent azithromycin (AZM) administration and mechanical debridement improve the clinical parameters of periodontal tissue in...

journal_title：Antimicrobial agents and chemotherapy

authors： Maezono H,Noiri Y,Asahi Y,Yamaguchi M,Yamamoto R,Izutani N,Azakami H,Ebisu S

更新日期：2011-12-01 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：:Human cryptococcosis can occur as a primary or opportunistic infection and develops as an acute, subacute, or chronic systemic infection involving different organs of the host. Given the limited therapeutic options and the occasional resistance to fluconazole, there is a need to develop novel drugs for the treatment o...

journal_title：Antimicrobial agents and chemotherapy

authors： Sá NP,Lima CM,Lino CI,Barbeira PJS,Baltazar LM,Santos DA,Oliveira RB,Mylonakis E,Fuchs BB,Johann S

更新日期：2017-07-25 00:00:00

abstract：:Colistin is an old antibiotic that has recently gained a considerable renewal of interest for the treatment of pulmonary infections due to multidrug-resistant Gram-negative bacteria. Nebulization seems to be a promising form of administration, but colistin is administered as an inactive prodrug, colistin methanesulfon...

journal_title：Antimicrobial agents and chemotherapy

authors： Boisson M,Jacobs M,Grégoire N,Gobin P,Marchand S,Couet W,Mimoz O

更新日期：2014-12-01 00:00:00

abstract：:A case of Mycobacterium leprae rifampin resistance after irregular antileprosy treatments since 1971 is reported. Whole-genome sequencing from four longitudinal samples indicated relapse due to acquired rifampin resistance and not to reinfection with another strain. A putative compensatory mutation in rpoC was also de...

journal_title：Antimicrobial agents and chemotherapy

authors： Avanzi C,Maia RC,Benjak A,Nery JA,Sales AM,Miranda A,Duppre NC,Nogueira Brum Fontes A,Pereira da Silva T,Olmo Pinheiro R,Neves-Manta F,Moreira SJM,Busso P,Sarno EN,Suffys PN,Cole ST,Moraes MO

更新日期：2020-06-23 00:00:00

abstract：:The pharmacokinetics of piperacillin were examined after single intravenous doses to three groups of male patients with creatinine clearances of greater than or equal to 60 (group I), greater than or equal to 20 but less than 60 (group II), and less than 20 (group III) ml/min per 1.73 m2. Each of 32 patients received ...

journal_title：Antimicrobial agents and chemotherapy

authors： Welling PG,Craig WA,Bundtzen RW,Kwok FW,Gerber AU,Madsen PO

更新日期：1983-06-01 00:00:00

abstract：:Thirty-nine fosfomycin-resistant Escherichia coli isolates carrying fosA3 were obtained from pigs, chickens, dairy cows, and staff in four northeastern provinces of China between June 2015 and April 2016. The fosA3 gene was colocated with blaCTX-M genes on conjugative plasmids of the incompatibility groups IncN (n = 1...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang XM,Dong Z,Schwarz S,Zhu Y,Hua X,Zhang Y,Liu S,Zhang WJ

更新日期：2017-08-24 00:00:00

abstract：:High-dose clindamycin (CLDM) and benzylpenicillin (PCG) are the recommended chemotherapeutic remedies for toxic shock-like syndrome caused by group A streptococci. One reason for this is that it has been shown that CLDM suppresses the expression of some exoproteins, e.g., SpeB, SpeA, and streptolysin O (Slo). We analy...

journal_title：Antimicrobial agents and chemotherapy

authors： Tanaka M,Hasegawa T,Okamoto A,Torii K,Ohta M

更新日期：2005-01-01 00:00:00

abstract：:Cefiderocol is a siderophore cephalosporin active against many multidrug-resistant (MDR) Gram-negative pathogens. We examined the resistance mechanisms in 12 Acinetobacter baumannii strains with cefiderocol MICs ranging from ≤0.03 to >32 μg/ml. Cefiderocol resistance could not be explained by β-lactamase activity. Cef...

journal_title：Antimicrobial agents and chemotherapy

authors： Malik S,Kaminski M,Landman D,Quale J

更新日期：2020-10-20 00:00:00

abstract：:We have reported previously that methylenecyclopropane analogs of nucleosides have excellent activity against certain members of the herpesvirus family. A second generation, the 2,2-bis-hydroxymethyl derivatives, were synthesized, and 18 compounds were tested for activity in vitro against herpes simplex virus types 1 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kern ER,Kushner NL,Hartline CB,Williams-Aziz SL,Harden EA,Zhou S,Zemlicka J,Prichard MN

更新日期：2005-03-01 00:00:00

abstract：:Tedizolid and linezolid in vitro activities against 3,032 Gram-positive pathogens collected in Asia-Pacific, Eastern European, and Latin American medical centers during 2014 were assessed. The isolates were tested for susceptibility by the current reference broth microdilution methods. Due to concern over the effect o...

journal_title：Antimicrobial agents and chemotherapy

authors： Pfaller MA,Flamm RK,Jones RN,Farrell DJ,Mendes RE

更新日期：2016-08-22 00:00:00

abstract：:Gardimycin, a new antibiotic, at 100 mug/ml, specifically inhibited cell wall synthesis and induced accumulation of uridine 5'-diphosphate-N-acetylmur-amylpentapeptide in whole cells of Bacillus subtilis. The antibiotic was active in a particulate enzyme preparation from Bacillus stearothermophilus: 60 mug/ml caused 5...

journal_title：Antimicrobial agents and chemotherapy

authors： Somma S,Merati W,Parenti F

更新日期：1977-03-01 00:00:00

abstract：:A group H1 R factor encoding resistance to chloramphenicol, streptomycin, sulfonamide, and tetracycline was transferred into Salmonella typhimurium LT-2. The virulence of LT-2 for mice, as assessed by intraperitoneal 50% lethal dose and the number of organisms in the spleen, was not affected by the R factor. On the ot...

journal_title：Antimicrobial agents and chemotherapy

authors： Butler T,Shuster CW,Franco A

更新日期：1979-03-01 00:00:00

abstract：:Current guidelines recommend vancomycin and linezolid as first-line agents against methicillin-resistant Staphylococcus aureus (MRSA) nosocomial pneumonia. Telavancin is a potential new therapeutic alternative, specifically in monomicrobial MRSA pneumonia. This study compared the efficacies of telavancin versus linezo...

journal_title：Antimicrobial agents and chemotherapy

authors： Battaglini D,Motos A,Li Bassi G,Yang H,Pagliara F,Yang M,Aguilera Xiol E,Meli A,Bobi J,Frigola G,Senussi T,Idone F,Travierso C,Chiurazzi C,Fernandez-Barat L,Rigol M,Ramirez J,Pelosi P,Chiumello D,Antonelli M,Nicol

更新日期：2020-12-16 00:00:00

abstract：:Subinhibitory concentrations of antibiotics have been shown to enhance biofilm formation in multiple bacterial species. While antibiotic exposure has been associated with modulated expression of many biofilm-related genes, the mechanisms of drug-induced biofilm formation remain a focus of ongoing research efforts and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Yu W,Hallinen KM,Wood KB

更新日期：2017-12-21 00:00:00

abstract：:The outer membrane of mycobacteria presents an effective permeability barrier for many antibiotics. Transport pathways across this membrane are unknown for most drugs. Here, we examined which antibiotics utilize the porin pathway across the outer membrane of the model organism Mycobacterium smegmatis. Deletion of the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Danilchanka O,Pavlenok M,Niederweis M

更新日期：2008-09-01 00:00:00

abstract：:Patterns of susceptibility of 45 Proteus penneri clinical isolates to 14 antimicrobial agents were evaluated by a macrobroth dilution method. All strains were highly susceptible to ceftizoxime, ceftazidime, moxalactam, cefoxitin, gentamicin, tobramycin, netilmicin, and, with few exceptions, to amikacin, piperacillin, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Fuksa M,Krajden S,Lee A

更新日期：1984-09-01 00:00:00

abstract：:Seventeen oral streptococci and 18 enterococci were tested for the presence of DNA sequences homologous to the conjugative transposon Tn916 encoding tetracycline resistance. All the strains were resistant to tetracyclines, including minocycline, and most of them were resistant to other antibiotics. Tn916-like structur...

journal_title：Antimicrobial agents and chemotherapy

authors： Bentorcha F,Clermont D,de Cespédès G,Horaud T

更新日期：1992-01-01 00:00:00

abstract：:The effect of tryptophan-N-formylated gramicidin (NFG) on the growth of Plasmodium berghei in mice was tested in three different experiments. NFG was shown to be capable of inhibiting the growth of the parasite in a dose-dependent way, although its action did not result in elimination of the parasite and was only temp...

journal_title：Antimicrobial agents and chemotherapy

authors： Otten-Kuipers MA,Franssen FF,Nieuwenhuijs H,Overdulve JP,Roelofsen B,Op den Kamp JA

更新日期：1997-08-01 00:00:00

abstract：:Flaviviruses comprise several medically important viruses, including Japanese encephalitis virus, West Nile virus, dengue virus (DENV), yellow fever virus, and Zika virus (ZIKV). A large outbreak of DENV and ZIKV occurred recently, leading to many cases of illness and death. However, despite decades of effort, we have...

journal_title：Antimicrobial agents and chemotherapy

authors： Chuang FK,Huang SM,Liao CL,Lee AR,Lien SP,Chiu YL,Chang TH,Tsai PL,Lin RJ,Shih CC,Tsai YJ,Lin GJ,Yen LC

更新日期：2019-12-20 00:00:00

abstract：:The stage-dependent susceptibility of Plasmodium falciparum to a short exposure to docetaxel (Taxotere) was evaluated by subjecting ring-infected, trophozoite-infected, and schizont-infected erythrocytes to a 5-h exposure to various concentrations of the drug. The schizont stage was shown to be the most sensitive stag...

journal_title：Antimicrobial agents and chemotherapy

authors： Sinou V,Grellier P,Schrevel J

更新日期：1996-02-01 00:00:00

abstract：:Despite the marketing of a series of new antibiotics for antibiotic-resistant gram-positive bacteria, no new agents for multiple-antibiotic-resistant gram-negative infections will be available for quite some time. Clinicians will need to find more effective ways to utilize available agents. Colistin is an older but no...

journal_title：Antimicrobial agents and chemotherapy

authors： Gunderson BW,Ibrahim KH,Hovde LB,Fromm TL,Reed MD,Rotschafer JC

更新日期：2003-03-01 00:00:00