Characterization of the penA and penR genes of Burkholderia cepacia 249 which encode the chromosomal class A penicillinase and its LysR-type transcriptional regulator.

abstract：:Human immunodeficiency virus (HIV) is the primary etiologic agent responsible for the AIDS pandemic. In this work, we used a chimeric recombinant protein strategy to test the possibility of irreversibly destroying the HIV-1 virion using an agent that simultaneously binds the Env protein and viral membrane. We construc...

journal_title：Antimicrobial agents and chemotherapy

authors： Contarino M,Bastian AR,Kalyana Sundaram RV,McFadden K,Duffy C,Gangupomu V,Baker M,Abrams C,Chaiken I

更新日期：2013-10-01 00:00:00

abstract：:The therapeutic effects produced by formulations of amoxicillin plus clavulanic acid (BRL 25 000A and BRL 25 000G) were compared with those of amoxicillin and clavulanic acid separately against a variety of infections produced by amoxicillin-susceptible and beta-lactamase-producing (amoxicillin-resistant) bacteria. Th...

journal_title：Antimicrobial agents and chemotherapy

authors： Boon RJ,Beale AS,Comber KR,Pierce CV,Sutherland R

更新日期：1982-09-01 00:00:00

abstract：:Carbapenem-resistant Acinetobacter baumannii is a major source of nosocomial infections worldwide and is mainly associated with the acquisition of OXA-type carbapenemases and, to a lesser extent, metallo-β-lactamases (MBLs). In this study, 82 nonepidemiologically related Acinetobacter strains carrying different types ...

journal_title：Antimicrobial agents and chemotherapy

authors： Vergara A,Zboromyrska Y,Mosqueda N,Morosini MI,García-Fernández S,Roca I,Cantón R,Marco F,Vila J

更新日期：2014-12-01 00:00:00

abstract：:Ceftolozane-tazobactam, a combination of the novel antipseudomonal cephalosporin ceftolozane and the well-established extended-spectrum β-lactamase inhibitor tazobactam, is approved for treating complicated urinary tract infections (cUTI) and complicated intra-abdominal infections (cIAI) in adults. To determine doses ...

journal_title：Antimicrobial agents and chemotherapy

authors： Larson KB,Patel YT,Willavize S,Bradley JS,Rhee EG,Caro L,Rizk ML

更新日期：2019-05-24 00:00:00

abstract：:A survey of 1,203 Escherichia coli isolates from 44 hospitals in Taiwan revealed that 136 (11.3%) isolates were resistant to fluoroquinolones and that another 261 (21.7%) isolates had reduced susceptibility. Resistance was more common in isolates responsible for hospital-acquired (mostly in intensive care units) infec...

journal_title：Antimicrobial agents and chemotherapy

authors： McDonald LC,Chen FJ,Lo HJ,Yin HC,Lu PL,Huang CH,Chen P,Lauderdale TL,Ho M

更新日期：2001-11-01 00:00:00

abstract：:The in vitro activities of sparfloxacin, temafloxacin, ciprofloxacin, ofloxacin, clarithromycin, erythromycin, tetracycline, cephalothin, penicillin G, and amoxicillin-clavulanic acid against 173 recent clinical bite wound isolates were determined by agar dilution. Sparfloxacin was active against all strains (MIC for ...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Citron DM

更新日期：1993-05-01 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：:DNA gyrase is a bacterial enzyme which catalyzes the ATP-dependent negative supercoiling of DNA. It is the accepted target of quinolones. The enzyme from Citrobacter freundii IID976 was purified by affinity chromatography on novobiocin-Sepharose and heparin-Sepharose. It had two subunits, designated A and B, which clo...

journal_title：Antimicrobial agents and chemotherapy

authors： Aoyama H,Sato K,Fujii T,Fujimaki K,Inoue M,Mitsuhashi S

更新日期：1988-01-01 00:00:00

abstract：:TEM- and SHV-type extended-spectrum beta-lactamases (ESBLs) are the most common ESBLs found in the United States and are prevalent throughout the world. Amino acid substitutions at a number of positions in TEM-1 lead to the ESBL phenotype, although substitutions at residues 104 (E to K), 164 (R to S or H), 238 (G to S...

journal_title：Antimicrobial agents and chemotherapy

authors： Jones CH,Ruzin A,Tuckman M,Visalli MA,Petersen PJ,Bradford PA

更新日期：2009-03-01 00:00:00

abstract：:In vitro susceptibility of 185 penicillin-susceptible and -resistant pneumococci to WY-49605, a new oral penem, was compared with susceptibility to penicillin G, amoxicillin with and without clavulanate, cefixime, cefaclor, cefpodoxime, cefuroxime, and cefdinir. WY-49605 yielded MICs for 50 and 90% of the strains test...

journal_title：Antimicrobial agents and chemotherapy

authors： Spangler SK,Jacobs MR,Appelbaum PC

更新日期：1994-12-01 00:00:00

abstract：:In a hospital-based, prospective cohort study, the effects of the three standard treatment regimens for mild Clostridium difficile infection (CDI), oral (p.o.) metronidazole at 500 mg three times/day, intravenous (i.v.) metronidazole at 500 mg three times/day, and oral (p.o.) vancomycin at 250 mg four times/day, were ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wenisch JM,Schmid D,Kuo HW,Allerberger F,Michl V,Tesik P,Tucek G,Laferl H,Wenisch C

更新日期：2012-04-01 00:00:00

abstract：:To determine whether low concentrations of aminoglycosides in combination with penicillin could effectively kill enterococci in vitro, we tested penicillin (20 micrograms/ml) in combination with decreasing concentrations of either streptomycin (20, 10, 5, and 1 micrograms/ml) or gentamicin (5, 3, 1, and 0.5 micrograms...

journal_title：Antimicrobial agents and chemotherapy

authors： Matsumoto JY,Wilson WR,Wright AJ,Geraci JE,Washington JA 2nd

更新日期：1980-12-01 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 growth-inhibitory properties of a 5-nitrothiazole series were evaluated against Trypanosoma brucei. A subset of related compounds displayed the greatest potency toward the parasite while exhibiting little cytotoxic effect on mammalian cells, with this antiparasitic activity dependent on expression of a type I nitr...

journal_title：Antimicrobial agents and chemotherapy

authors： O'Shea IP,Shahed M,Aguilera-Venegas B,Wilkinson SR

更新日期：2015-11-23 00:00:00

abstract：:The pharmacokinetics, oral bioavailability, and ex vivo antimalarial activity of mirincamycin isomers in a healthy rhesus monkey model were assessed to support lead optimization of novel nonhemolytic drugs for radical cure and causal prophylaxis of malaria. Fourteen male rhesus monkeys were randomized to four groups, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Khemawoot P,Saunders D,Rasameesoraj M,Melendez V,Imerbsin R,Ohrt C,Fracisco S,Teja-Isavadharm P

更新日期：2011-12-01 00:00:00

abstract：:In determining the quality control limits for the Clinical Laboratory Standards Institute-recommended quality control organisms with tigecycline, a number of inconsistencies in the results were encountered that appeared to be related to the age of the Mueller-Hinton broth II. This study was performed to examine the ef...

journal_title：Antimicrobial agents and chemotherapy

authors： Petersen PJ,Bradford PA

更新日期：2005-09-01 00:00:00

abstract：:Fluconazole, an inhibitor of certain human cytochrome P-450 isozymes, is used for the prevention and treatment of a broad range of fungal infections that predominantly affect immunocompromised individuals. This study evaluated the influence of fluconazole on the steady-state pharmacokinetics of delavirdine, a nonnucle...

journal_title：Antimicrobial agents and chemotherapy

authors： Borin MT,Cox SR,Herman BD,Carel BJ,Anderson RD,Freimuth WW

更新日期：1997-09-01 00:00:00

abstract：:Serum and milk concentrations of rifamycin SV and rifampin were determined in lactating ewes after a single intravenous injection, and pharmacokinetic parameters were evaluated by the two-compartment open-system model. Rifampin was distributed throughout a greater volume than rifamycin SV and was eliminated more slowl...

journal_title：Antimicrobial agents and chemotherapy

authors： Ziv G,Sulman FG

更新日期：1974-02-01 00:00:00

abstract：:A new commercial low-density microarray which identifies common extended-spectrum β-lactamase plasmid-mediated cephalosporinase genes, as well as carbapenemase (bla(KPC) and bla(NDM)) genes, was evaluated. We tested 207 clinical and reference/collection isolates of the Enterobacteriaceae possessing different bla genes...

journal_title：Antimicrobial agents and chemotherapy

authors： Bogaerts P,Hujer AM,Naas T,de Castro RR,Endimiani A,Nordmann P,Glupczynski Y,Bonomo RA

更新日期：2011-09-01 00:00:00

abstract：:The in vitro susceptibilities of 22 penicillinase-producing and 32 non-penicillinase-producing strains of Neisseria gonorrhoeae to 13 antimicrobial agents, including the new semisynthetic penicillins and cephalosporins, are reported. Ceftriaxone, ceftazidime, and cefotaxime were the most active agents tested; none of ...

journal_title：Antimicrobial agents and chemotherapy

authors： Coovadia YM,Ramsaroop U

更新日期：1984-11-01 00:00:00

abstract：:Kill-kinetic methods were used to provide data on the bactericidal activity of subinhibitory (0.5x MIC), inhibitory (1x MIC), and suprainhibitory (4x MIC) concentrations of LY146032 against methicillin-susceptible and -resistant Staphylococcus aureus and Staphylococcus epidermidis. These bactericidal activities were c...

journal_title：Antimicrobial agents and chemotherapy

authors： Stratton CW,Liu C,Weeks LS

更新日期：1987-08-01 00:00:00

abstract：:For six clinical isolates of Chlamydia trachomatis, in vitro susceptibility to erythromycin, azithromycin, and josamycin has been determined. Four isolates were resistant to all the antibiotics and had the mutations A2058C and T2611C (Escherichia coli numbering) in the 23S rRNA gene. All the isolates had mixed populat...

journal_title：Antimicrobial agents and chemotherapy

authors： Misyurina OY,Chipitsyna EV,Finashutina YP,Lazarev VN,Akopian TA,Savicheva AM,Govorun VM

更新日期：2004-04-01 00:00:00

abstract：:Etest susceptibilities to amoxicillin, chloramphenicol, and trimethoprim-sulfamethoxazole of 240 invasive isolates of Haemophilus influenzae cultured from children in rural Kenya were 66%, 66%, and 38%, respectively. Resistance increased markedly over 9 years and was concentrated among serotype b isolates. In Africa, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Scott JA,Mwarumba S,Ngetsa C,Njenga S,Lowe BS,Slack MP,Berkley JA,Mwangi I,Maitland K,English M,Marsh K

更新日期：2005-07-01 00:00:00

abstract：:L-nucleoside analogs are a new class of antiviral and anticancer agents, several of which are currently used in the clinic. The phosphorylation of these agents to the triphosphate form is thought to be important for exertion of their pharmacological activities. 1-(2'-deoxy-2'-fluoro-beta-L-arabinofuranosyl)-5-methylur...

journal_title：Antimicrobial agents and chemotherapy

authors： Hu R,Li L,Degrève B,Dutschman GE,Lam W,Cheng YC

更新日期：2005-05-01 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：:Plaque formation and dye uptake assays were used to measure the MICs of PD 127,391 and PD 131,628 against Rickettsia species. The MICs of PD 127,391 were 0.25 microgram/ml for Rickettsia rickettsii and 0.125 to 0.25 microgram/ml for Rickettsia conorii. The MICs of PD 131,628 were 0.25 to 0.5 microgram/ml for R. ricket...

journal_title：Antimicrobial agents and chemotherapy

authors： Jabarit-Aldighieri N,Torres H,Raoult D

更新日期：1992-11-01 00:00:00

abstract：:A clinical isolate of Pseudomonas aeruginosa recovered from the lower respiratory tract of an 81-year-old patient hospitalized in Belgium was sent to the national reference center to determine its resistance mechanism. PCR sequencing identified a new GES variant, GES-18, which differs from the carbapenem-hydrolyzing e...

journal_title：Antimicrobial agents and chemotherapy

authors： Bebrone C,Bogaerts P,Delbrück H,Bennink S,Kupper MB,Rezende de Castro R,Glupczynski Y,Hoffmann KM

更新日期：2013-01-01 00:00:00

abstract：:The multiple antibiotic resistance (mar) locus in Escherichia coli consists of two divergently expressed operons (marC and marRAB), both of which contribute to the Mar phenotype. Overexpression of the marRAB operon protected E. coli against rapid cell killing by fluoroquinolones. Inactivation of the operon in mar muta...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldman JD,White DG,Levy SB

更新日期：1996-05-01 00:00:00

abstract：:The effect of moxalactam and cefuroxime on mitogen-stimulated human peripheral blood mononuclear leukocytes was studied. Mononuclear leukocytes, mitogen, and antibiotic were added to microtiter wells. Cells were cultured for 3 days, pulsed with tritiated thymidine, and then counted. Compared with control cell cultures...

journal_title：Antimicrobial agents and chemotherapy

authors： Manzella JP,Clark JK

更新日期：1983-03-01 00:00:00

abstract：:The frequency of alleles with triple mutations conferring sulfadoxine-pyrimethamine (SP) resistance in the Peruvian Amazon Basin has declined (16.9% for dhfr and 0% for dhps compared to 47% for both alleles in 1997) 5 years after SP was replaced as the first-line treatment for Plasmodium falciparum malaria. Microsatel...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhou Z,Griffing SM,de Oliveira AM,McCollum AM,Quezada WM,Arrospide N,Escalante AA,Udhayakumar V

更新日期：2008-02-01 00:00:00