Interaction of oxyimino beta-lactams with a class C beta-lactamase and a mutant with a spectrum extended to beta-lactams.

abstract：:A sensitive and specific high-pressure liquid chromatographic method is described for the determination of the antibacterial drug flumequine and a major metabolite, 7-hydroxyflumequine, in human plasma and urine. The assay was linear over a concentration range of 1 to 120 micrograms/ml for both compounds. This method ...

journal_title：Antimicrobial agents and chemotherapy

authors： Harrison LI,Schuppan D,Rohlfing SR,Hansen AR,Hansen CS,Funk ML,Collins SH,Ober RE

更新日期：1984-03-01 00:00:00

abstract：:The linkage between the macrolide efflux gene mef(I) and the chloramphenicol inactivation gene catQ was first described in Streptococcus pneumoniae (strain Spn529), where the two genes are located in a module designated IQ element. Subsequently, two different defective IQ elements were detected in Streptococcus pyogen...

journal_title：Antimicrobial agents and chemotherapy

authors： Mingoia M,Morici E,Morroni G,Giovanetti E,Del Grosso M,Pantosti A,Varaldo PE

更新日期：2014-10-01 00:00:00

abstract：:Microsporidians of the genus Encephalitozoon are an important cause of disease in immunocompromised patients, and there are currently no completely effective treatments. The present study investigated the viability and infectivity of spores of Encephalitozoon cuniculi that had been exposed to resveratrol (RESV), a nat...

journal_title：Antimicrobial agents and chemotherapy

authors： Leiro J,Cano E,Ubeira FM,Orallo F,Sanmartín ML

更新日期：2004-07-01 00:00:00

abstract：:Acanthamoeba is a free-living amoeba causing a potentially blinding infection of the cornea. Contact lens wearers are most at risk and account for some 95% of cases. Hydrogen peroxide is used for contact lens disinfection due to its broad antimicrobial activity. Lenses must be neutralized before use to avoid pronounce...

journal_title：Antimicrobial agents and chemotherapy

authors： Hughes R,Kilvington S

更新日期：2001-07-01 00:00:00

abstract：:We investigated the relevance of prominent reduction in turbidity macroscopically (MIC) and formation of aberrant hyphal tips microscopically (minimum effective concentration; MEC) in measuring the in vitro activity of caspofungin against Aspergillus and Fusarium. Caspofungin generated low MICs and MECs against Asperg...

journal_title：Antimicrobial agents and chemotherapy

authors： Arikan S,Lozano-Chiu M,Paetznick V,Rex JH

更新日期：2001-01-01 00:00:00

abstract：:Fungal infections, especially infections caused by Candida albicans, remain a challenging problem in clinical settings. Despite the development of more-effective antifungal drugs, their application is limited for various reasons. Thus, alternative treatments with drugs aimed at novel targets in C. albicans are needed....

journal_title：Antimicrobial agents and chemotherapy

authors： Li X,Hou Y,Yue L,Liu S,Du J,Sun S

更新日期：2015-10-01 00:00:00

abstract：:Seventy-two A. fumigatus clinical isolates from China were investigated for azole resistance based on mutations of cyp51A. We identified four azole-resistant strains, among which we found three strains highly resistant to itraconazole, two of which exhibit the TR34/L98H/S297T/F495I mutation, while one carries only the...

journal_title：Antimicrobial agents and chemotherapy

authors： Liu M,Zeng R,Zhang L,Li D,Lv G,Shen Y,Zheng H,Zhang Q,Zhao J,Zheng N,Liu W

更新日期：2015-07-01 00:00:00

abstract：:Because of the potential for an interaction between cephalosporins and aminoglycosides leading to renal injury, an evaluation of the effect of a new cephalosporin, cefamandole nafate, on the toxicity of the aminoglycoside tobramycin was performed in laboratory animals. High doses of cefamandole nafate did not increase...

journal_title：Antimicrobial agents and chemotherapy

authors： Wold JS,Turnipseed SA,Broddle WD,Owen NV

更新日期：1977-10-01 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：:Mefloquine was found to have bactericidal activity against methicillin- and fluoroquinolone-susceptible and -resistant strains of Staphylococcus aureus and Staphylococcus epidermidis and gentamicin- and vancomycin-resistant strains of Enterococcus faecalis and Enterococcus faecium. The MICs were 16 microg/ml, and the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kunin CM,Ellis WY

更新日期：2000-04-01 00:00:00

abstract：:Cefmenoxime, an investigational semisynthetic cephalosporin, was evaluated in 18 pediatric patients with a variety of infections. There were seven patients with urinary tract infections, two with wound infections, two with osteomyelitis, two with abscess infections, one with cervical adenitis, one with hidradenitis, o...

journal_title：Antimicrobial agents and chemotherapy

authors： Tansino GF,Hammerschlag MR,Congeni BL,Cox PA,Doraiswamy B,duBouchet L

更新日期：1985-10-01 00:00:00

abstract：:The resistance of Mycobacterium tuberculosis to isoniazid (INH) is largely linked to suppression of a catalase-peroxidase enzyme (KatG) that activates INH. In the absence of KatG, antioxidant protection is provided by enhanced expression of the peroxiredoxin AhpC, which is itself reduced by AhpD, a protein with low al...

journal_title：Antimicrobial agents and chemotherapy

authors： Koshkin A,Zhou XT,Kraus CN,Brenner JM,Bandyopadhyay P,Kuntz ID,Barry CE 3rd,Ortiz de Montellano PR

更新日期：2004-07-01 00:00:00

abstract：:Disseminated infections caused by the Mycobacterium avium-M. intracellulare complex (MAC) are the most frequent opportunistic bacterial infections in patients with AIDS. MAC isolates are resistant to many of the standard antituberculous drugs. Failure to obtain significant activities of certain drugs is due to difficu...

journal_title：Antimicrobial agents and chemotherapy

authors： Mehta RT

更新日期：1996-08-01 00:00:00

abstract：:ABT-492 is a novel quinolone with potent activity against gram-positive, gram-negative, and atypical pathogens, making this compound an ideal candidate for the treatment of community-acquired pneumonia. We therefore compared the in vitro pharmacodynamic activity of ABT-492 to that of levofloxacin, an antibiotic common...

journal_title：Antimicrobial agents and chemotherapy

authors： Gunderson SM,Hayes RA,Quinn JP,Danziger LH

更新日期：2004-01-01 00:00:00

abstract：:Respiratory syncytial virus (RSV) is the leading cause of acute lower respiratory tract infections in young children and other high-risk populations. RSV nucleoprotein (N) is essential for virus assembly and replication as part of the viral ribonucleoprotein (RNP) complex. RSV604 was a putative N inhibitor in phase 2 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Challa S,Scott AD,Yuzhakov O,Zhou Y,Tiong-Yip CL,Gao N,Thresher J,Yu Q

更新日期：2015-02-01 00:00:00

abstract：:In this study, we tested the antimicrobial activity of three metal nanoparticles (NPs), ZnO, MgO, and CaO NPs, against Salmonella enterica serovar Enteritidis in liquid medium and on solid surfaces. Out of the three tested metal NPs, ZnO NPs exhibited the most significant antimicrobial effect both in liquid medium and...

journal_title：Antimicrobial agents and chemotherapy

authors： Vidovic S,Elder J,Medihala P,Lawrence JR,Predicala B,Zhang H,Korber DR

更新日期：2015-01-01 00:00:00

abstract：:The Bacteroides fragilis bacteriocin which inhibits ribonucleic acid (RNA) polymerase activity had a narrow activity spectrum in vivo and only inhibited the growth of certain B. fragilis strains. In vitro the bacteriocin was not specific and inhibited RNA polymerases from widely diverse bacterial genera. RNA polymeras...

journal_title：Antimicrobial agents and chemotherapy

authors： Mossie KG,Robb FT,Jones DT,Woods DR

更新日期：1981-10-01 00:00:00

abstract：:We describe the pharmacokinetics of raltegravir of a preterm newborn after short-course treatment of the mother tested HIV + the day of delivery. At age 1 month, the circulating concentration of raltegravir in the newborn was 29 ng/ml (the IC95 of RAL against HIV-1 is 15 ng/ml). Raltegravir should therefore be conside...

journal_title：Antimicrobial agents and chemotherapy

authors： Clavel-Osorio C,Cazassus F,Stegmann S,Huc-Anaïs P,Lecam D,Peytavin G

更新日期：2013-12-01 00:00:00

abstract：:Pharmacological studies of netilmicin were conducted in 30 cancer patients. After intravenous administration of 50 mg of netilmicin or gentamicin per m(2) over a 1-h period in 10 patients, the mean peak serum concentrations occurred at the end of the infusion and were 7.6 and 7.3 mug/ml, respectively. At 6 h, the mean...

journal_title：Antimicrobial agents and chemotherapy

authors： Yap BS,Stewart D,Bodey GP

更新日期：1977-12-01 00:00:00

abstract：:Dengue fever is a severe, widespread, and neglected disease with more than 2 million diagnosed infections per year. The dengue virus NS2B/NS3 protease (PR) represents a prime target for rational drug design. At the moment, there are no clinical PR inhibitors (PIs) available. We have identified diaryl (thio)ethers as c...

journal_title：Antimicrobial agents and chemotherapy

authors： Wu H,Bock S,Snitko M,Berger T,Weidner T,Holloway S,Kanitz M,Diederich WE,Steuber H,Walter C,Hofmann D,Weißbrich B,Spannaus R,Acosta EG,Bartenschlager R,Engels B,Schirmeister T,Bodem J

更新日期：2015-02-01 00:00:00

abstract：:It remains controversial whether combination therapy, given empirically or as definitive treatment, for Pseudomonas aeruginosa bacteremia is associated with a better outcome than monotherapy. The aim of the present study was to compare the rates of survival among patients who received either combination therapy or mon...

journal_title：Antimicrobial agents and chemotherapy

authors： Chamot E,Boffi El Amari E,Rohner P,Van Delden C

更新日期：2003-09-01 00:00:00

abstract：:The activity of the siderophore cephalosporin cefiderocol is targeted against carbapenem-resistant Gram-negative bacteria. In this study, the activity of cefiderocol against characterized carbapenem-resistant Acinetobacter baumannii complex, Stenotrophomonas maltophilia, Pseudomonas aeruginosa, and Enterobacteriaceae ...

journal_title：Antimicrobial agents and chemotherapy

authors： Jacobs MR,Abdelhamed AM,Good CE,Rhoads DD,Hujer KM,Hujer AM,Domitrovic TN,Rudin SD,Richter SS,van Duin D,Kreiswirth BN,Greco C,Fouts DE,Bonomo RA

更新日期：2018-12-21 00:00:00

abstract：:Aminoglycoside resistance in Campylobacter has been routinely monitored in the United States in clinical isolates since 1996 and in retail meats since 2002. Gentamicin resistance first appeared in a single human isolate of Campylobacter coli in 2000 and in a single chicken meat isolate in 2007, after which it increase...

journal_title：Antimicrobial agents and chemotherapy

authors： Chen Y,Mukherjee S,Hoffmann M,Kotewicz ML,Young S,Abbott J,Luo Y,Davidson MK,Allard M,McDermott P,Zhao S

更新日期：2013-11-01 00:00:00

abstract：:Three Haemophilus parainfluenzae strains isolated from the urogenital tract harbored a beta-lactamase-coding 3.2-megadalton plasmid identical, by restriction endonuclease digestion and hybridization with radioactive and biotin-labeled probes specific for the TEM-1 beta-lactamase and TnA sequences, to the 3.2-megadalto...

journal_title：Antimicrobial agents and chemotherapy

authors： Martel AY,Gosselin P,Ouellette M,Roy PH,Bergeron MG

更新日期：1987-06-01 00:00:00

abstract：:Hyperbaric oxygen exposures were evaluated for treatment of progressive liver abscesses produced by intraperitoneal injection of combined cultures of Fusobacterium necrophorum plus either Bacteroides fragilis subsp. fragilis or Fusobacterium nucleatum in a mouse model. Infected control and hyperbaric oxygen-exposed mi...

journal_title：Antimicrobial agents and chemotherapy

authors： Hill GB

更新日期：1976-02-01 00:00:00

abstract：:Mice treated with antibiotics early or late after active infection had resolved were examined for chlamydial DNA in endocervical swabs. The early eradication of infection limited oviduct pathology, despite the continued detection of chlamydial DNA by nested PCR. Late antibiotic treatment had no effect on the ability t...

journal_title：Antimicrobial agents and chemotherapy

authors： Reeves DM,Nagarajan U,O'Connell C,Andrews CW Jr,Darville T

更新日期：2007-07-01 00:00:00

abstract：:A new natural TEM derivative, named TEM-87, was identified in a Proteus mirabilis isolate from an Italian hospital. Compared to TEM-1, TEM-87 contains the following mutations: E104K, R164C, and M182T. Kinetic analysis of TEM-87 revealed extended-spectrum activity against oxyimino cephalosporins (preferentially ceftazi...

journal_title：Antimicrobial agents and chemotherapy

authors： Perilli M,Segatore B,De Massis MR,Franceschini N,Bianchi C,Rossolini GM,Amicosante G

更新日期：2002-03-01 00:00:00

abstract：:Sixteen clinical fungal isolates were tested for antibiotic susceptibility by using disks impregnated with growth medium and antibiotic. The procedure was easier to perform, less time consuming, and as reliable as other currently available methods. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Boyer JE

更新日期：1976-06-01 00:00:00

abstract：:Polymyxins are increasingly used as a last-resort class of antibiotics against extensively drug-resistant (XDR) Gram-negative bacteria. However, resistance to polymyxins can emerge with monotherapy. As nephrotoxicity is the major dose-limiting factor for polymyxin monotherapy, dose escalation to suppress the emergence...

journal_title：Antimicrobial agents and chemotherapy

authors： Lin YW,Yu HH,Zhao J,Han ML,Zhu Y,Akter J,Wickremasinghe H,Walpola H,Wirth V,Rao GG,Forrest A,Velkov T,Li J

更新日期：2018-05-25 00:00:00

abstract：:In this study, we investigated the in vitro activity of SCH-56592 (SCH), a new triazole antifungal agent. We compared the activity of SCH with those of itraconazole (ITZ) and amphotericin B (AB) against 60 clinical isolates of Aspergillus spp. by using a microtiter format. Incubation was done at 37 degrees C for 48 h,...

journal_title：Antimicrobial agents and chemotherapy

authors： Oakley KL,Moore CB,Denning DW

更新日期：1997-05-01 00:00:00