Reverse transsulfuration and its relationship to thienamycin biosynthesis in Streptomyces cattleya.

abstract：:The activity of cinoxacin, a synthetic organic acid antimicrobial agent, was studied and found to have in vitro activity similar to that previously reported for nalidixic acid. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kurtz S,Turck M

更新日期：1975-03-01 00:00:00

abstract：:In vivo antiherpesvirus effects of 1-beta-D-arabinofuranosyl-E-5-(2-bromovinyl)uracil (brovavir) were tested in two mouse model infections with herpes simplex virus type 1 (HSV-1) strains which showed different degrees of virulence in mice. Successful efficacies of oral and intraperitoneal (i.p.) treatments with brova...

journal_title：Antimicrobial agents and chemotherapy

authors： Machida H,Takezawa J

更新日期：1990-05-01 00:00:00

abstract：:Beta-lactam resistance in Pseudomonas aeruginosa detected only during ceftazidime therapy of cystic fibrosis patients was studied. Evaluation of resistant and susceptible isolates from one patient and resistant laboratory derivatives indicated that elevated beta-lactamase levels were the primary determinant of resista...

journal_title：Antimicrobial agents and chemotherapy

authors： Schryvers AB,Ogunariwo J,Chamberland S,Godfrey AJ,Rabin HR,Bryan LE

更新日期：1987-09-01 00:00:00

abstract：:We applied in vitro evolution to an Escherichia coli strain containing bla(CTX-M-2) and obtained 10 independent mutant bla(CTX-M-2) alleles that confer elevated resistance to ceftazidime (MIC > or = 32 microg/ml) but lost the ability to confer resistance to cefepime. All alleles had a Pro-to-Ser substitution at positi...

journal_title：Antimicrobial agents and chemotherapy

authors： Welsh KJ,Barlow M,Tenover FC,Biddle JW,Rasheed JK,Clark LA,McGowan JE Jr

更新日期：2005-03-01 00:00:00

abstract：:Penetration of cefpiramide and cefazolin into a specific extravascular fluid was measured with rabbits bearing capsules in the peritoneal cavity. A general feature of slow accumulation and elimination of drugs from extravascular sites having low surface area/volume ratios has also been observed in this study. The caps...

journal_title：Antimicrobial agents and chemotherapy

authors： Matsui H,Okuda T

更新日期：1988-01-01 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：:The mode of action of a new type of UDP-glucose analog against herpes simplex virus type 1 (HSV-1) replication was examined. The analog showed good selectivity and potent activity. At 10 micrograms/ml, P-536 inhibited the formation of infectious HSV-1 by more than 90%, whereas at 100 micrograms/ml it had no cytotoxic ...

journal_title：Antimicrobial agents and chemotherapy

authors： Alarcón B,González ME,Carrasco L,Méndez-Castrillón PP,García-López MT,de las Heras FG

更新日期：1988-08-01 00:00:00

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：:Antagonism of antibiotic activity by peritoneal dialysate has been postulated to be a cause of failure of treatment of peritonitis complicating continuous ambulatory peritoneal dialysis. We evaluated by a case-control study whether unexpected treatment failure could be attributed to such antagonism. Bacteria isolated ...

journal_title：Antimicrobial agents and chemotherapy

authors： Ludlam H,Johnston L,Hopkins P

更新日期：1992-05-01 00:00:00

abstract：:Iron-sulfur flavoproteins (Isf) are flavin mononucleotide (FMN)- and FeS cluster-containing proteins commonly encountered in anaerobic prokaryotes. However, with the exception of Isf from Methanosarcina thermophila, which participates in oxidative stress management by removing oxygen and hydrogen peroxide, none of the...

journal_title：Antimicrobial agents and chemotherapy

authors： Smutná T,Pilarová K,Tarábek J,Tachezy J,Hrdý I

更新日期：2014-06-01 00:00:00

abstract：:The opportunistic apicomplexan parasite Toxoplasma gondii damages fetuses in utero and threatens immunocompromised individuals. The toxicity associated with standard antitoxoplasmal therapies, which target the folate pathway, underscores the importance of examining alternative pharmacological strategies. Parasitic pro...

journal_title：Antimicrobial agents and chemotherapy

authors： Sullivan WJ Jr,Dixon SE,Li C,Striepen B,Queener SF

更新日期：2005-06-01 00:00:00

abstract：:NorC, a new efflux pump, like NorB, contributes to quinolone resistance that includes resistance to moxifloxacin and sparfloxacin in Staphylococcus aureus. norC expression, like that of norB and tet38, is negatively regulated by MgrA, and overexpression of both norC and norB contributes to the quinolone resistance phe...

journal_title：Antimicrobial agents and chemotherapy

authors： Truong-Bolduc QC,Strahilevitz J,Hooper DC

更新日期：2006-03-01 00:00:00

abstract：:Two ceftazidime-resistant variants of Pseudomonas aeruginosa (PA-48, PA-60), obtained from cardiac vegetations of rabbits with endocarditis receiving ceftazidime therapy, were studied for mechanisms of resistance. Both resistant variants were stably derepressed for the type Id beta-lactamase, which was ceftazidime ind...

journal_title：Antimicrobial agents and chemotherapy

authors： Bayer AS,Peters J,Parr TR Jr,Chan L,Hancock RE

更新日期：1987-02-01 00:00:00

abstract：:The pharmacokinetics of an extended-release (XR) formulation of ciprofloxacin has been compared to that of the immediate-release (IR) product in healthy volunteers. The only significant difference in pharmacokinetic parameters between the two formulations was seen in the rate constant of absorption, which was approxim...

journal_title：Antimicrobial agents and chemotherapy

authors： Meagher AK,Forrest A,Dalhoff A,Stass H,Schentag JJ

更新日期：2004-06-01 00:00:00

abstract：:The pharmacokinetic disposition of 2 g of cefoxitin administered intravenously over 30 min was determined in six patients undergoing continuous ambulatory peritoneal dialysis for chronic renal failure. During the 6-h dialysate dwell time after the drug infusion, the mean apparent volume of distribution for cefoxitin w...

journal_title：Antimicrobial agents and chemotherapy

authors： Greaves WL,Kreeft JH,Ogilvie RI,Richards GK

更新日期：1981-02-01 00:00:00

abstract：:Enterobacteriaceae producing the Ambler class D OXA-48 carbapenemase, combined with additional resistance mechanisms, such as permeability defects or cocarriage of class A, B, or C β-lactamases, can become highly resistant to most β-lactams currently in use, including carbapenems. A total of 45,872 Enterobacteriaceae ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kazmierczak KM,Bradford PA,Stone GG,de Jonge BLM,Sahm DF

更新日期：2018-11-26 00:00:00

abstract：:Nephrotoxicity was more marked in rats receiving isepamicin at midlight than at middark. And, the once-daily administration at middark induced a lesser degree of nephrotoxicity than the twice-daily injection, which indicates that the once-daily treatment therapy may have potential value in the clinical use of aminogly...

journal_title：Antimicrobial agents and chemotherapy

authors： Yoshiyama Y,Nishikawa S,Sugiyama T,Kobayashi T,Shimada H,Tomonaga F,Ohdo S,Ogawa N,Nakano S

更新日期：1993-09-01 00:00:00

abstract：:Morganocin 174-induced lethality was characterized by one-hit kinetics. Although it induced simultaneous inhibition of deoxyribonucleic acid, ribonucleic acid, and protein syntheses, the most striking effect of morganocin was a rapid reduction of intracellular adenosine 5'-triphosphate to less than 10% of the initial ...

journal_title：Antimicrobial agents and chemotherapy

authors： Williams JA,Krizsanovich-Williams K

更新日期：1977-09-01 00:00:00

abstract：:The effect of SM-1213 [1,2-O-isopropylidene-3-O-3'-(N', N'-dimethylamino-n-propyl)-D-glucofuranose] on the candidastatic and candidacidal capacity of guinea pig peritoneal exudate cells was investigated. Phagocytes treated with SM-1213 demonstrated an enhanced ability to inhibit intracellular hyphal formation and elon...

journal_title：Antimicrobial agents and chemotherapy

authors： Morrison CJ,Gordon P,Hashimoto T

更新日期：1984-07-01 00:00:00

abstract：:Since human cytomegalovirus (HCMV) does not infect or replicate in nonhuman cells and tissues, there are few animal models currently available for evaluation of antiviral therapies for these infections. In the present studies, we utilized two different models in which severe combined immunodeficient (SCID) mice were i...

journal_title：Antimicrobial agents and chemotherapy

authors： Kern ER,Hartline CB,Rybak RJ,Drach JC,Townsend LB,Biron KK,Bidanset DJ

更新日期：2004-05-01 00:00:00

abstract：:RBx 11760, a bi-aryl oxazolidinone, was investigated for antibacterial activity against Gram-positive bacteria. The MIC90s of RBx 11760 and linezolid against Staphylococcus aureus were 2 and 4 mg/liter, against Staphylococcus epidermidis were 0.5 and 2 mg/liter, and against Enterococcus were 1 and 4 mg/liter, respecti...

journal_title：Antimicrobial agents and chemotherapy

authors： Barman TK,Kumar M,Mathur T,Chaira T,Ramkumar G,Kalia V,Rao M,Pandya M,Yadav AS,Das B,Upadhyay DJ,Hamidullah,Konwar R,Raj VS,Singh H

更新日期：2016-11-21 00:00:00

abstract：:CTX-M-type extended-spectrum beta-lactamases (ESBLs) have become increasingly common worldwide, with the notable exception of the United States, where TEM- and SHV-type ESBLs have appeared to predominate. We have noted the emergence of ESBLs in our health care system (the University Health System in San Antonio, TX), ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lewis JS 2nd,Herrera M,Wickes B,Patterson JE,Jorgensen JH

更新日期：2007-11-01 00:00:00

abstract：:Quinazoline-2,4-diones, such as PD 0305970, are new DNA gyrase and topoisomerase IV (topo IV) inhibitors with potent activity against gram-positive pathogens, including quinolone-resistant isolates. The mechanistic basis of dione activity vis-à-vis quinolones is not understood. We present evidence for Streptococcus pn...

journal_title：Antimicrobial agents and chemotherapy

authors： Pan XS,Gould KA,Fisher LM

更新日期：2009-09-01 00:00:00

abstract：:The rpoB gene encodes the beta subunit of the DNA-dependent RNA polymerase of bacteria. Mutations in defined areas result in resistance to rifampin. Mycobacterium smegmatis is naturally resistant to rifampin, but analysis of the rpoB gene revealed no identifiable rifampin resistance mutations. Another mechanism of res...

journal_title：Antimicrobial agents and chemotherapy

authors： Hetherington SV,Watson AS,Patrick CC

更新日期：1995-09-01 00:00:00

abstract：:The objectives of this study were to investigate raltegravir transport across several blood-tissue barrier models and the potential interactions with drug efflux transporters. Raltegravir uptake, accumulation, and permeability were evaluated in vitro in (i) P-glycoprotein (P-gp), breast cancer resistance protein (BCRP...

journal_title：Antimicrobial agents and chemotherapy

authors： Hoque MT,Kis O,De Rosa MF,Bendayan R

更新日期：2015-05-01 00:00:00

abstract：:We investigated the efficacies of cefotaxime (CTX) and amoxicillin (AMX)-clavulanate (CLA) (AMC) against extended-spectrum-β-lactamase (ESBL)-producing Escherichia coli in vitro and in a murine model of urinary tract infection (UTI). MICs, the checkerboard dilution method, and time-kill curves were used to explore the...

journal_title：Antimicrobial agents and chemotherapy

authors： Rossi B,Soubirou JF,Chau F,Massias L,Dion S,Lepeule R,Fantin B,Lefort A

更新日期：2015-11-02 00:00:00

abstract：:The in vitro susceptibilities of 11 strains of Chlamydia pneumoniae to azithromycin, clarithromycin, erythromycin, L-oflaxacin, and doxycycline were determined. Clarithromycin was the most active agent tested, with an MIC for 90% of strains and minimal chlamydiacidal concentration for 90% of strains of 0.03 microns/ml...

journal_title：Antimicrobial agents and chemotherapy

authors： Hammerschlag MR,Qumei KK,Roblin PM

更新日期：1992-07-01 00:00:00

abstract：:Despite controversies associated with forms and value of antibiotic therapy for cystic fibrosis patients, antibiotherapy remains a cornerstone in the management of those patients. Locally administered liposome-encapsulated antibiotics may offer advantages over free antibiotics, including sustained concentration of the...

journal_title：Antimicrobial agents and chemotherapy

authors： Beaulac C,Clément-Major S,Hawari J,Lagacé J

更新日期：1996-03-01 00:00:00

abstract：:One gram of ceftriaxone was given intravenously to 15 patients approximately 2 h before cardiopulmonary bypass surgery. Ceftriaxone levels in plasma (mean +/- standard deviation) were 60.4 +/- 18.8 micrograms/ml (range, 17.0 to 96.0 micrograms/ml) at the beginning of bypass, 44.2 +/- 16.6 micrograms/ml (range, 9.4 to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Bryan CS,Morgan SL,Jordan AB,Smith CW,Sutton JP,Gangemi JD

更新日期：1984-01-01 00:00:00

abstract：:We investigated the impact of low-level resistance to fluoroquinolones on the bactericidal activity of ciprofloxacin in a murine model of urinary tract infection. The susceptible Escherichia coli strain CFT073 (ciprofloxacin MIC [CIP MIC] of 0.008 microg/ml) was compared to its transconjugants harboring qnrA1 or qnrS1...

journal_title：Antimicrobial agents and chemotherapy

authors： Allou N,Cambau E,Massias L,Chau F,Fantin B

更新日期：2009-10-01 00:00:00