Induction of the Citrobacter freundii group I beta-lactamase in Escherichia coli is not dependent on entry of beta-lactam into the cytoplasm.

abstract：:Increasingly frequent reports have described the in vivo loss of daptomycin susceptibility in association with clinical treatment failures. The mechanism(s) of daptomycin resistance is not well understood. We studied an isogenic set of Staphylococcus aureus isolates from the bloodstream of a daptomycin-treated patient...

journal_title：Antimicrobial agents and chemotherapy

authors： Jones T,Yeaman MR,Sakoulas G,Yang SJ,Proctor RA,Sahl HG,Schrenzel J,Xiong YQ,Bayer AS

更新日期：2008-01-01 00:00:00

abstract：:By cloning studies and complementation experiments, the sulfonamide resistance gene of a serogroup B and serotype 15 (B:15) strain of Neisseria meningitidis was localized to a 1.2-kb chromosomal SspI fragment expressing a drug-resistant dihydropteroate synthase. The fragment hybridized to DNA from both resistant and s...

journal_title：Antimicrobial agents and chemotherapy

authors： Kristiansen BE,Rådström P,Jenkins A,Ask E,Facinelli B,Sköld O

更新日期：1990-11-01 00:00:00

abstract：:A practical preclinical model for the hyperbilirubinemia produced by human immunodeficiency virus protease inhibitors has been developed. Indinavir and atazanavir produced significant hyperbilirubinemia, whereas amprenavir, the negative control, was indistinguishable from the ritonavir booster dose. This model was use...

journal_title：Antimicrobial agents and chemotherapy

authors： Kempf DJ,Waring JF,Morfitt DC,Werner P,Ebert B,Mitten M,Nguyen B,Randolph JT,DeGoey DA,Klein LL,Marsh K

更新日期：2006-02-01 00:00:00

abstract：:The response of tolerant Streptococcus sanguis and nontolerant Streptococcus mitis infections to penicillin therapy was compared in the rabbit model of endocarditis. The minimal inhibitory and bactericidal concentrations of penicillin were 0.1 and 0.1 mug/ml, respectively, for S. mitis and 0.05 and 6.2 mug/ml, respect...

journal_title：Antimicrobial agents and chemotherapy

authors： Lowy FD,Neuhaus EG,Chang DS,Steigbigel NH

更新日期：1983-01-01 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：:The aim of the study was to evaluate the penetration of ciprofloxacin into bronchial secretions from mechanically ventilated patients with nosocomial bronchopneumonia. For this purpose, in each patient studied, simultaneous serial blood and bronchial secretion samples were obtained over a 12-h period on days 2 and 4. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Saux P,Martin C,Mallet MN,Papazian L,Bruguerolle B,De Micco P,Gouin F

更新日期：1994-04-01 00:00:00

abstract：:For 177 gram-negative isolates, the MICs for ciprofloxacin ranged from 0.02 microgram/ml (Escherichia coli) to 0.31 microgram/ml (Pseudomonas aeruginosa). In time-kill curves, ciprofloxacin at 8 X the MIC almost completely killed 10(6) CFU of P. aeruginosa by 24 h. Ciprofloxacin at 4 X the MIC allowed bacterial regrow...

journal_title：Antimicrobial agents and chemotherapy

authors： Rudin JE,Norden CW,Shinners EM

更新日期：1984-10-01 00:00:00

abstract：:Isonicotinic acid hydrazide (isoniazid; INH) inhibition of mycolic acid synthesis was studied by using cell extracts from both INH-sensitive and -resistant strains of Mycobacterium aurum. The cell extract of the INH-sensitive strain was inhibited by INH, while the preparation from the INH-resistant strain was not. Thi...

journal_title：Antimicrobial agents and chemotherapy

authors： Quémard A,Lacave C,Lanéelle G

更新日期：1991-06-01 00:00:00

abstract：:The nucleotide sequence of pNL194, a VIM-1-encoding plasmid, is described in this study. pNL194 (79,307 bp) comprised an IncN-characteristic segment (38,940 bp) and a mosaic structure (40,367 bp) including bla(VIM-1), aacA7, aadA1, aadA2, dfrA1, dfrA12, aphA1, strA, strB, and sul1. Tn1000 or Tn5501 insertion within fi...

journal_title：Antimicrobial agents and chemotherapy

authors： Miriagou V,Papagiannitsis CC,Kotsakis SD,Loli A,Tzelepi E,Legakis NJ,Tzouvelekis LS

更新日期：2010-10-01 00:00:00

abstract：:Two clinical isolates of extended-spectrum beta-lactamase (ESBL)-producing Klebsiella pneumoniae were noted to be less susceptible than expected to imipenem. Both were missing outer membrane proteins that serve as channels for antibiotic entry. The role of beta-lactamase in resistance was investigated by eliminating t...

journal_title：Antimicrobial agents and chemotherapy

authors： Martínez-Martínez L,Pascual A,Hernández-Allés S,Alvarez-Díaz D,Suárez AI,Tran J,Benedí VJ,Jacoby GA

更新日期：1999-07-01 00:00:00

abstract：:Methionine gamma-lyase, the enzyme which catalyzes the single-step conversion of methionine to alpha-ketobutyrate, ammonia, and methanethiol, is highly active in many anaerobic pathogenic microorganisms but has no counterpart in mammals. This study tested the hypothesis that this pathogen-specific enzyme can be exploi...

journal_title：Antimicrobial agents and chemotherapy

authors： Coombs GH,Mottram JC

更新日期：2001-06-01 00:00:00

abstract：:Pyrazinamide (PZA) is a first-line tuberculosis drug that inhibits the growth of Mycobacterium tuberculosis via an as yet undefined mechanism. An M. tuberculosis laboratory strain that was auxotrophic for pantothenate was found to be insensitive to PZA and to the active form, pyrazinoic acid (POA). To determine whethe...

journal_title：Antimicrobial agents and chemotherapy

authors： Dillon NA,Peterson ND,Rosen BC,Baughn AD

更新日期：2014-12-01 00:00:00

abstract：:Hard-tick-borne relapsing fever (HTBRF) is an emerging infectious disease throughout the temperate zone caused by the relapsing-fever spirochete Borrelia miyamotoi Antibiotic treatment of HTBRF is empirically based on the treatment of Lyme borreliosis; however, the antibiotic susceptibility of B. miyamotoi has not bee...

journal_title：Antimicrobial agents and chemotherapy

authors： Koetsveld J,Draga ROP,Wagemakers A,Manger A,Oei A,Visser CE,Hovius JW

更新日期：2017-08-24 00:00:00

abstract：:Antituberculosis drugs display large pharmacokinetic variability, which may be influenced by several factors, including body size, genetic differences, and drug-drug interactions. We set out to determine these factors, quantify their effect, and determine the dose adjustments necessary for optimal drug concentrations....

journal_title：Antimicrobial agents and chemotherapy

authors： Sekaggya-Wiltshire C,Chirehwa M,Musaazi J,von Braun A,Buzibye A,Muller D,Gutteck U,Motta I,Calcagno A,Fehr JS,Kambugu A,Castelnuovo B,Lamorde M,Denti P

更新日期：2019-05-24 00:00:00

abstract：:Miltefosine (MT) is a membrane-active alkylphospholipid licensed for the topical treatment of breast cancer skin metastases and the oral treatment of leishmaniasis, although its mechanism of action remains unclear. Electron paramagnetic resonance (EPR) spectroscopy of a spin-labeled lipid and a thiol-specific spin lab...

journal_title：Antimicrobial agents and chemotherapy

authors： Moreira RA,Mendanha SA,Fernandes KS,Matos GG,Alonso L,Dorta ML,Alonso A

更新日期：2014-06-01 00:00:00

abstract：:The physical and nutritional requirements of the antibiotic-producing slime mold Physarum gyrosum were examined to develop a liquid medium for this myxomycete. Liquid culture is desired to expedite a useful scale of production of antibiotic materials for ease of isolation and structure study. Culture conditions were s...

journal_title：Antimicrobial agents and chemotherapy

authors： Taylor RL,Mallette MF

更新日期：1976-10-01 00:00:00

abstract：:Nonreplicating bacteria are known to be (or at least commonly thought to be) refractory to antibiotics to which they are genetically susceptible. Here, we explore the sensitivity to killing by bactericidal antibiotics of three classes of nonreplicating populations of planktonic bacteria: (i) stationary phase, when the...

journal_title：Antimicrobial agents and chemotherapy

authors： McCall IC,Shah N,Govindan A,Baquero F,Levin BR

更新日期：2019-06-24 00:00:00

abstract：:Lividomycin specifically inhibited bacterial protein synthesis and had codon misreading activity. Lividomycin, moreover, stimulated the binding of aminoacyl-transfer ribonucleic acid to ribosomes, but did not show any significant effects on the formation of aminoacyl-transfer ribonucleic acid and the puromycin reactio...

journal_title：Antimicrobial agents and chemotherapy

authors： Yamaguchi M,Eda J,Kobayashi F,Mitsuhashi S

更新日期：1973-09-01 00:00:00

abstract：:The in vitro activity of cefaclor against 556 clinical isolates of gram-positive and gram-negative bacteria was compared with that of other cephalosporins. Cefaclor had activity similar to that of cephalexin against gram-positive bacteria. It showed greater activity against Haemophilus strains than did cephalexin and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Neu HC,Fu KP

更新日期：1978-04-01 00:00:00

abstract：:The susceptibilities of 52 clinical isolates of Bacteroides fragilis to five monoanionic cephalosporins were examined. Cefoperazone showed the highest antibacterial activity, followed by ceftezole, cefazolin, cefamandole, and cephalothin. There were two groups of resistant strains: one group (ca. 15%), of which B. fra...

journal_title：Antimicrobial agents and chemotherapy

authors： Yotsuji A,Mitsuyama J,Hori R,Yasuda T,Saikawa I,Inoue M,Mitsuhashi S

更新日期：1988-12-01 00:00:00

abstract：:Drug repositioning is the only feasible option to immediately address the COVID-19 global challenge. We screened a panel of 48 FDA-approved drugs against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) which were preselected by an assay of SARS-CoV. We identified 24 potential antiviral drug candidates aga...

journal_title：Antimicrobial agents and chemotherapy

authors： Jeon S,Ko M,Lee J,Choi I,Byun SY,Park S,Shum D,Kim S

更新日期：2020-06-23 00:00:00

abstract：:We tested the hypothesis that the bacterial load at the infection site could impact considerably on the pharmacokinetic/pharmacodynamic (PK/PD) parameters of fluoroquinolones. Using a rat lung infection model, we measured the influence of different marbofloxacin dosage regimens on selection of resistant bacteria after...

journal_title：Antimicrobial agents and chemotherapy

authors： Kesteman AS,Ferran AA,Perrin-Guyomard A,Laurentie M,Sanders P,Toutain PL,Bousquet-Mélou A

更新日期：2009-11-01 00:00:00

abstract：:Recent studies using laboratory clones have demonstrated that several antiretroviral protease inhibitors (PIs) inhibit the growth of Plasmodium falciparum at concentrations that may be of clinical significance, especially during human immunodeficiency virus type 1 (HIV-1) and malaria coinfection. Using clinical isolat...

journal_title：Antimicrobial agents and chemotherapy

authors： Lek-Uthai U,Suwanarusk R,Ruengweerayut R,Skinner-Adams TS,Nosten F,Gardiner DL,Boonma P,Piera KA,Andrews KT,Machunter B,McCarthy JS,Anstey NM,Price RN,Russell B

更新日期：2008-07-01 00:00:00

abstract：:A double-blind study was performed to compare the clinical response and the incidence of side effects in 2,581 patients administered ampicillin or cyclacillin for infections of the genitourinary or respiratory tract, infections of the skin and soft tissues, or for otitis media. There was no significant difference in c...

journal_title：Antimicrobial agents and chemotherapy

authors： Gold JA,Hegarty CP,Deitch MW,Walker BR

更新日期：1979-01-01 00:00:00

abstract：:R factors were detected in Vibrio anguillarum strains from vibrio-diseased freshwater fish, ayu (Plecoglossus altivelis), in Japan. It was found that 65 out of the 68 random isolates from epidemics of vibrio disease in 1973 carried transferable drug resistance factors. The most common type determined resistance to sul...

journal_title：Antimicrobial agents and chemotherapy

authors： Aoki T,Egusa S,Arai T

更新日期：1974-11-01 00:00:00

abstract：:Ertapenem at 1 g once daily has been suggested to be underdosed in intensive care unit (ICU) patients to attain optimal concentrations in target tissues. Therefore, our study aimed to assess the kinetics of ertapenem in plasma and skeletal muscle in ICU patients using microdialysis. Average muscle free-ertapenem conce...

journal_title：Antimicrobial agents and chemotherapy

authors： Boyadjiev I,Boulamery A,Simon N,Martin C,Bruguerolle B,Leone M

更新日期：2011-07-01 00:00:00

abstract：:Moxifloxacin (MXF) is a fluoroquinolone antibiotic that is effective against respiratory infections. However, the mechanisms of MXF lung diffusion are unknown. Active transport in other tissues has been suggested for several members of the fluoroquinolone family. In this study, transport of MXF was systematically inve...

journal_title：Antimicrobial agents and chemotherapy

authors： Brillault J,De Castro WV,Harnois T,Kitzis A,Olivier JC,Couet W

更新日期：2009-04-01 00:00:00

abstract：:Approximately 150,000 small-molecule compounds were tested by a robotic screening assay for their ability to inhibit nucleoside triphosphate hydrolase (NTPase), a novel enzyme of the tachyzoite form of Toxoplasma gondii. Five unrelated species of compounds were found to inhibit the activities of both NTPase isoforms (...

journal_title：Antimicrobial agents and chemotherapy

authors： Asai T,Takeuchi T,Diffenderfer J,Sibley LD

更新日期：2002-08-01 00:00:00

abstract：:Twenty-one patients with serious infections involving anaerobic bacteria were treated with carbenicillin. Multiple anaerobes were involved in 8 cases, and in 10 cases, facultative anaerobes were also isolated. Bacteroides fragilis was isolated in 10 cases. Results were judged excellent in 7 cases, good in 8 cases, and...

journal_title：Antimicrobial agents and chemotherapy

authors： Swenson RM,Lorber B

更新日期：1976-06-01 00:00:00

abstract：:Omadacycline is an effective therapy for community-acquired bacterial pneumonia (CABP). Given its potent activity against methicillin-susceptible Staphylococcus aureus (MSSA) and methicillin-resistant S. aureus (MRSA), we sought to determine the pharmacodynamic activity and target pharmacokinetic/pharmacodynamic (PK/P...

journal_title：Antimicrobial agents and chemotherapy

authors： Lepak AJ,Zhao M,Marchillo K,VanHecker J,Andes DR

更新日期：2020-01-27 00:00:00