Molecular characterization of OXA-20, a novel class D beta-lactamase, and its integron from Pseudomonas aeruginosa.

abstract：:Current treatments of disseminated infection caused by the Mycobacterium avium-M. intracellulare complex (MAC) are generally ineffective. Liposome-mediated delivery of antibiotics to MAC-infected tissues in vivo can enhance the efficacy of the drugs (N. Düzgüneş, V. K. Perumal, L. Kesavalu, J. A. Goldstein, R. J. Debs...

journal_title：Antimicrobial agents and chemotherapy

authors： Majumdar S,Flasher D,Friend DS,Nassos P,Yajko D,Hadley WK,Düzgüneş N

更新日期：1992-12-01 00:00:00

abstract：:A novel stilbene glycoside [piceid-(1-->6)-beta-d-glucopyranoside; PBG] from Parthenocissus tricuspidata was tested in vivo against Plasmodium berghei. PBG exhibited significant blood schizontocidal activity in a 4-day early infection, a repository evaluation, and an established infection, with a significant mean surv...

journal_title：Antimicrobial agents and chemotherapy

authors： Park WH,Lee SJ,Moon HI

更新日期：2008-09-01 00:00:00

abstract：:Six strains of ampicillin-resistant Haemophilus influenzae type b were studied in vitro for synergy between ampicillin and nafcillin. The minimal inhibitory concentrations for these strains with 10(4) colony-forming units per ml were 6.25 to 12.5 microgram of ampicillin per ml and 6.25 to 25 microgram of nafcillin per...

journal_title：Antimicrobial agents and chemotherapy

authors： Yogev R,Burkholder E,Davis AT

更新日期：1980-03-01 00:00:00

abstract：:Nontyphoidal Salmonella enterica strains with a nonclassical quinolone resistance phenotype were isolated from patients returning from Thailand or Malaysia to Finland. A total of 10 isolates of seven serovars were studied in detail, all of which had reduced susceptibility (MIC > or = 0.125 microg/ml) to ciprofloxacin ...

journal_title：Antimicrobial agents and chemotherapy

authors： Gunell M,Webber MA,Kotilainen P,Lilly AJ,Caddick JM,Jalava J,Huovinen P,Siitonen A,Hakanen AJ,Piddock LJ

更新日期：2009-09-01 00:00:00

abstract：:We adopted an in vitro infective endocarditis model (IVIEM) to compare the efficacy of vancomycin (VAN), arbekacin (ABK), and gentamicin (GEN) alone or in combination. Using two strains of clinically isolated methicillin-resistant Staphylococcus aureus, one GEN susceptible (GS171) and one GEN resistant (GR153), fibrin...

journal_title：Antimicrobial agents and chemotherapy

authors： Lee DG,Chun HS,Yim DS,Choi SM,Choi JH,Yoo JH,Shin WS,Kang MW

更新日期：2003-12-01 00:00:00

abstract：:The in vitro activity of trimethoprim plus dapsone against oxacillin-resistant Staphylococcus aureus was comparable to that of trimethoprim plus sulfamethoxazole. Because of its different pharmacologic properties, dapsone may be a useful agent in combination with trimethoprim for the treatment of patients colonized wi...

journal_title：Antimicrobial agents and chemotherapy

authors： Lambertus MW,Kwok RY,Mulligan ME

更新日期：1990-07-01 00:00:00

abstract：:Enterobacteriaceae producing the OXA-48 carbapenemase are emerging worldwide, leaving few treatment options. Efficacy has been demonstrated in vivo with ceftazidime against a ceftazidime-susceptible OXA-48 isolate but not with imipenem despite maintaining susceptibility. The relationship between phenotype and in vivo ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wiskirchen DE,Nordmann P,Crandon JL,Nicolau DP

更新日期：2014-01-01 00:00:00

abstract：:A dipeptide lantibiotic, named Smb, in Streptococcus mutans GS5 was characterized by molecular genetic approaches. The Smb biosynthesis gene locus is encoded by a 9.5-kb region of chromosomal DNA and consists of seven genes in the order smbM1, -T, -F, -M2, -G, -A, -B. This operon is not present in some other strains o...

journal_title：Antimicrobial agents and chemotherapy

authors： Yonezawa H,Kuramitsu HK

更新日期：2005-02-01 00:00:00

abstract：:By means of a stepwise selection procedure, mutants capable of growing in the presence of relatively high multiplicities of a bacteriocin from Streptococcus mutans GS-5 were obtained from a sensitivie strain of Streptococcus pyogenes. Mutacin-neutralizing activity of cell extracts containing receptor protein was exami...

journal_title：Antimicrobial agents and chemotherapy

authors： Franker CK

更新日期：1980-02-01 00:00:00

abstract：:Changes in plasmid DNA supercoiling were measured following treatment of Escherichia coli cells, carrying topoisomerase mutations, with the quinolone ciprofloxacin. In quinolone-susceptible cells (top+ gyr+) as well as in topA mutants and in gyrB mutants, plasmid DNA was relaxed after the addition of ciprofloxacin. In...

journal_title：Antimicrobial agents and chemotherapy

authors： Aleixandre V,Herrera G,Urios A,Blanco M

更新日期：1991-01-01 00:00:00

abstract：:Current therapy for toxoplasmosis with a synergistic combination of pyrimethamine plus sulfadiazine or pyrimethamine plus clindamycin is not always efficacious and is frequently discontinued due to intolerable toxic effects in immunocompromised individuals, particularly those with AIDS. Trovafloxacin, a new fluoroquin...

journal_title：Antimicrobial agents and chemotherapy

authors： Khan AA,Slifer T,Araujo FG,Polzer RJ,Remington JS

更新日期：1997-05-01 00:00:00

abstract：:Ketoconazole, an oral antimycotic imidazole drug, blocked the transport of electrons in the respiratory chain of Candida albicans under aerobic conditions with different substrates, such as NADH and succinate. This effect was a nonspecific inhibition of NADH oxidases and succinate oxidases. The addition of ketoconazol...

journal_title：Antimicrobial agents and chemotherapy

authors： Shigematsu ML,Uno J,Arai T

更新日期：1982-06-01 00:00:00

abstract：:The increasing use of carbapenems for treating multidrug-resistant (MDR) Gram-negative bacterial infections has contributed to the global dissemination of carbapenem-resistant Enterobacteriaceae (CRE). Serine and metallo-β-lactamases (MBLs) that hydrolyze carbapenems have become prevalent and endemic in some countries...

journal_title：Antimicrobial agents and chemotherapy

authors： Bradford PA,Kazmierczak KM,Biedenbach DJ,Wise MG,Hackel M,Sahm DF

更新日期：2015-12-14 00:00:00

abstract：:Vancomycin is a renally excreted drug, and its body clearance correlates with creatinine clearance. However, the renal function estimation equation that best predicts vancomycin clearance has not been established yet. The objective of this study was to compare the abilities of different renal function estimation equat...

journal_title：Antimicrobial agents and chemotherapy

authors： Glatard A,Bourguignon L,Jelliffe RW,Maire P,Neely MN,Goutelle S

更新日期：2015-01-01 00:00:00

abstract：:The spread of antibiotic resistance among Gram-negative bacteria is a serious clinical threat, and infections with these organisms are a leading cause of mortality worldwide. Traditional novel drug development inevitably leads to the emergence of new resistant strains, rendering the new drugs ineffective. Therefore, r...

journal_title：Antimicrobial agents and chemotherapy

authors： Soren O,Brinch KS,Patel D,Liu Y,Liu A,Coates A,Hu Y

更新日期：2015-10-01 00:00:00

abstract：:Fluoroquinolone resistance in Streptococcus pneumoniae mainly involves stepwise mutations predominantly in the parC and gyrA genes. We have developed a single-run real-time PCR assay for detection of the four most common mutations in the quinolone resistance-determining regions of these genes. This assay provides a us...

journal_title：Antimicrobial agents and chemotherapy

authors： Page S,Vernel-Pauillac F,O'Connor O,Bremont S,Charavay F,Courvalin P,Goarant C,Le Hello S

更新日期：2008-11-01 00:00:00

abstract：:Vaborbactam (formerly RPX7009) is a new β-lactamase inhibitor based on a cyclic boronic acid pharmacophore with potent inhibitory activity against Klebsiella pneumoniaecarbapenemases (KPC). It has been developed in combination with meropenem. The objective of these studies was to identify the concentrations of both ag...

journal_title：Antimicrobial agents and chemotherapy

authors： Sun D,Rubio-Aparicio D,Nelson K,Dudley MN,Lomovskaya O

更新日期：2017-11-22 00:00:00

abstract：:Expression of the bla1 and bla2 genes in an archetypal Bacillus anthracis strain is insufficient for penicillin resistance. In a penicillin-resistant clinical isolate, both genes are highly transcribed, but bla1 is the major contributor to high-level resistance to ampicillin. Differential expression of the bla genes i...

journal_title：Antimicrobial agents and chemotherapy

authors： Chen Y,Tenover FC,Koehler TM

更新日期：2004-12-01 00:00:00

abstract：:Infections caused by carbapenem-resistant KPC-producing Klebsiella pneumoniae are responsible for high rates of mortality and represent a major therapeutic challenge, especially when the isolates are also resistant to colistin. We used the checkerboard method to evaluate the synergistic activity of 10 antibiotic combi...

journal_title：Antimicrobial agents and chemotherapy

authors： Tascini C,Tagliaferri E,Giani T,Leonildi A,Flammini S,Casini B,Lewis R,Ferranti S,Rossolini GM,Menichetti F

更新日期：2013-08-01 00:00:00

abstract：:The in vitro activities of ACH-702 and other antimicrobials against 30 Nocardia brasiliensis isolates were tested. The MIC(50) (MIC for 50% of the strains tested) and MIC(90) values of ACH-702 were 0.125 and 0.5 microg/ml. The same values for econazole were 2 and 4 microg/ml. The MIC(50) and MIC(90) values of imipenem...

journal_title：Antimicrobial agents and chemotherapy

authors： Vera-Cabrera L,Campos-Rivera MP,Escalante-Fuentes WG,Pucci MJ,Ocampo-Candiani J,Welsh O

更新日期：2010-05-01 00:00:00

abstract：:We describe the first IMP metallo-beta-lactamase in Aeromonas caviae: IMP-19, which differed from IMP-2 by a single amino acid change (Arg to Ala at position 38). bla(IMP-19) was found within a class 1 integron located on a 35-kb plasmid. This is also the first description of an IMP producer in France. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Neuwirth C,Siebor E,Robin F,Bonnet R

更新日期：2007-12-01 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 in vitro and in vivo activities of a mixture of six oleane triterpene saponins, recovered from the methanolic extract of the leaves of the Vietnamese plant Maesa balansae (PX-6518), were evaluated against drug-sensitive visceral Leishmania strains. The in vitro 50% inhibitory concentration (IC(50)) against intrace...

journal_title：Antimicrobial agents and chemotherapy

authors： Maes L,Vanden Berghe D,Germonprez N,Quirijnen L,Cos P,De Kimpe N,Van Puyvelde L

更新日期：2004-01-01 00:00:00

abstract：:Using an isogenic system, we have determined the impact that the four promoters known to control bla(TEM) gene expression have on beta-lactamase activity. For both TEM-1 and TEM-30, this activity gradually increased in relation to the presence of promoters P3, Pa/Pb, and P4 upstream of the corresponding gene. Promoter...

journal_title：Antimicrobial agents and chemotherapy

authors： Lartigue MF,Leflon-Guibout V,Poirel L,Nordmann P,Nicolas-Chanoine MH

更新日期：2002-12-01 00:00:00

abstract：:An innovative liposomal formulation of meglumine antimoniate (LMA) was recently reported to promote both long-term parasite suppression and reduction of infectivity to sand flies in dogs with visceral leishmaniasis. However, 5 months after treatment, parasites were still found in the bone marrow of all treated dogs. I...

journal_title：Antimicrobial agents and chemotherapy

authors： da Silva SM,Amorim IF,Ribeiro RR,Azevedo EG,Demicheli C,Melo MN,Tafuri WL,Gontijo NF,Michalick MS,Frézard F

更新日期：2012-06-01 00:00:00

abstract：:High dosages of ceftriaxone are used to treat central nervous system (CNS) infections. Dosage adaptation according to the glomerular filtration rate is currently not recommended. Ceftriaxone pharmacokinetics (PK) was investigated by a population approach in patients enrolled in a French multicenter prospective cohort ...

journal_title：Antimicrobial agents and chemotherapy

authors： Grégoire M,Dailly E,Le Turnier P,Garot D,Guimard T,Bernard L,Tattevin P,Vandamme YM,Hoff J,Lemaitre F,Verdier MC,Deslandes G,Bellouard R,Sébille V,Chiffoleau A,Boutoille D,Navas D,Asseray N

更新日期：2019-08-23 00:00:00

abstract：:R plasmids identified in Pseudomonas aeruginosa strains isolated in our laboratories were classified by their incompatibility characters by using intraspecies conjugation in P. aeruginosa. The fertility factor, FP2, was compatible with R plasmids belonging to all groups, and was classified in a new group. From these d...

journal_title：Antimicrobial agents and chemotherapy

authors： Sagai H,Hasuda K,Iyobe S,Bryan LE,Holloway BW,Mitsuhashi S

更新日期：1976-10-01 00:00:00

abstract：:We evaluated fleroxacin, a newer fluoroquinolone, against isolates from sputum from patients with cystic fibrosis. These isolates included rough and mucoid Pseudomonas aeruginosa, Pseudomonas cepacia, Staphylococcus aureus, Haemophilus influenzae, and Escherichia coli. Selected isolates were tested by the broth microd...

journal_title：Antimicrobial agents and chemotherapy

authors： Akaniro JC,Vidaurre CE,Stutman HR,Marks MI

更新日期：1990-10-01 00:00:00

abstract：:A spontaneous Escherichia coli mutant, named Q3, resistant to nalidixic acid was obtained from a previously described clinical isolate of E. coli, Q2, resistant to fluoroquinolones but susceptible to nalidixic acid (E. Cambau, F. Bordon, E. Collatz, and L. Gutmann, Antimicrob. Agents Chemother. 37:1247-1252, 1993). Q3...

journal_title：Antimicrobial agents and chemotherapy

authors： Truong QC,Nguyen Van JC,Shlaes D,Gutmann L,Moreau NJ

更新日期：1997-01-01 00:00:00

abstract：:9-[2-(Boranophosphonomethoxy)ethyl]adenine diphosphate (BH(3)-PMEApp) and (R)-9-[2-(boranophosphonomethoxy)propyl]adenine diphosphate (BH(3)-PMPApp), described here, represent the first nucleoside phosphonates modified on their alpha-phosphates that act as efficient substrates for the human immunodeficiency virus type...

journal_title：Antimicrobial agents and chemotherapy

authors： Frangeul A,Barral K,Alvarez K,Canard B

更新日期：2007-09-01 00:00:00