Outer membrane permeability barrier in Escherichia coli mutants that are defective in the late acyltransferases of lipid A biosynthesis.

abstract：:Mycobacterium tuberculosis and the fast-growing species Mycobacterium abscessus are two important human pathogens causing persistent pulmonary infections that are difficult to cure and require long treatment times. The emergence of drug-resistant M. tuberculosis strains and the high level of intrinsic resistance of M....

journal_title：Antimicrobial agents and chemotherapy

authors： Gupta R,Rodrigues Felix C,Akerman MP,Akerman KJ,Slabber CA,Wang W,Adams J,Shaw LN,Tse-Dinh YC,Munro OQ,Rohde KH

更新日期：2018-04-26 00:00:00

abstract：:A portion of the Mycobacterium tuberculosis gene encoding the beta subunit of RNA polymerase (rpoB) was amplified by PCR using degenerate oligonucleotides and used as a hybridization probe to isolate plasmid clones carrying the entire rpoB gene of M. tuberculosis H37Rv, a virulent, rifampin-susceptible strain. Sequenc...

journal_title：Antimicrobial agents and chemotherapy

authors： Miller LP,Crawford JT,Shinnick TM

更新日期：1994-04-01 00:00:00

abstract：:The Autobac I system was used to evaluate the antibiotic susceptibility pattern of methicillin-resistant Staphylococcus aureus isolates. The results of the Autobac I were compared with the results of the disk diffusion method. The disk diffusion susceptibility pattern showed resistance to methicillin/oxacillin, penici...

journal_title：Antimicrobial agents and chemotherapy

authors： Cleary TJ,Maurer D

更新日期：1978-05-01 00:00:00

abstract：:Multiple injections of ofloxacin (subcutaneous or oral) in combination with a Lactobacillus casei preparation, LC9018 (subcutaneous), in mice infected intravenously with Mycobacterium fortuitum led to a marked delay in the incidence of spinning disease, a lowered incidence of gross renal lesions, and an increase in th...

journal_title：Antimicrobial agents and chemotherapy

authors： Tomioka H,Sato K,Saito H

更新日期：1990-04-01 00:00:00

abstract：:The role of linezolid in empirical therapy of suspected bacteremia remains unclear. The aim of this study was to evaluate the influence of empirical use of linezolid or glycopeptides in addition to other antibiotics on the 30-day mortality rates in patients with Gram-negative bacteremia. For this purpose, 1,126 patien...

journal_title：Antimicrobial agents and chemotherapy

authors： Ternavasio-de la Vega HG,Mateos-Díaz AM,Martinez JA,Almela M,Cobos-Trigueros N,Morata L,De-la-Calle C,Sala M,Mensa J,Marcos M,Soriano A

更新日期：2014-12-01 00:00:00

abstract：:Bay 12-8039, a new 8-methoxy quinolone, was compared with other agents for activity against clinically relevant anaerobes. Bay 12-8039 inhibited 91 and 96% of the 410 test isolates at 2 and 4 micrograms/ml, respectively. Bay 12-8039 had activity comparable to that metronidazole and overall was at least 16-fold more ac...

journal_title：Antimicrobial agents and chemotherapy

authors： Aldridge KE,Ashcraft DS

更新日期：1997-03-01 00:00:00

abstract：:To compare the effects of four antimicrobial peptides (MUC7 12-mer, histatin 12-mer, cathelicidin KR20, and a peptide containing lactoferricin amino acids 1 to 11) on the yeast Saccharomyces cerevisiae, we employed a genomewide fitness screen of combined collections of mutants with homozygous deletions of nonessential...

journal_title：Antimicrobial agents and chemotherapy

authors： Lis M,Bhatt S,Schoenly NE,Lee AY,Nislow C,Bobek LA

更新日期：2013-02-01 00:00:00

abstract：:Although the clinical correlates of the reference antifungal susceptibility test results in hematogenous and deep-seated Candida infection are still controversial, we evaluated the clinical correlates of this test in deep-seated Candida infections in non-AIDS patients. Thirty-two non-AIDS patients with hematogenous or...

journal_title：Antimicrobial agents and chemotherapy

authors： Lee SC,Fung CP,Huang JS,Tsai CJ,Chen KS,Chen HY,Lee N,See LC,Shieh WB

更新日期：2000-10-01 00:00:00

abstract：:Two genes (rpsL and rrs) with mutations associated with streptomycin resistance in Mycobacterium tuberculosis were characterized in 78 streptomycin-resistant and 61 streptomycin-susceptible isolates recovered from patients living in the United States, South America, Europe, Africa, and Asia. Fifty-four percent of the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Sreevatsan S,Pan X,Stockbauer KE,Williams DL,Kreiswirth BN,Musser JM

更新日期：1996-04-01 00:00:00

abstract：:An efficient and reproducible procedure was developed for extracting aminoglycosides from renal cortical tissue. It involves a double homogenization and two rinsings with trichloroacetic acid. A higher recovery is obtained compared with that of other previously reported methods. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Giuliano RA,Verpooten GA,Pollet DE,Verbist L,Scharpé SL,De Broe ME

更新日期：1984-06-01 00:00:00

abstract：:The in vitro activities of seven fluoroquinolones against 290 anaerobes were determined by agar dilution. CI-960 and WIN 57273 inhibited greater than 95% of the strains at less than or equal to 2 micrograms/ml. CI-990 required less than or equal to 16 micrograms/ml. Clustering around 2 to 4 micrograms/ml was noted for...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Citron DM

更新日期：1992-05-01 00:00:00

abstract：:Exposure to isoniazid induced the expression of several secreted proteins in Mycobacterium tuberculosis H37Rv. Two-dimensional gel electrophoresis and immunoblot analyses indicated that two of the prominent isonicotinic acid hydrazide-inducible polypeptides were members of the antigen 85 complex, recently demonstrated...

journal_title：Antimicrobial agents and chemotherapy

authors： Garbe TR,Hibler NS,Deretic V

更新日期：1996-07-01 00:00:00

abstract：:The class C beta-lactamase of Citrobacter freundii GN346 is a typical cephalosporinase comprising 361 amino acids, and substitution of the glutamic acid at position 219 in the enzyme by lysine was previously shown to broaden its substrate spectrum to oxyimino beta-lactams (K. Tsukamoto, R. Ohno, and T. Sawai, J. Bacte...

journal_title：Antimicrobial agents and chemotherapy

authors： Nukaga M,Tsukamoto K,Yamaguchi H,Sawai T

更新日期：1994-06-01 00:00:00

abstract：:This study was directed at characterizing the genetic elements carrying the methylase gene erm(B), encoding ribosome modification-mediated resistance to macrolide, lincosamide, and streptogramin B (MLS) antibiotics, in Streptococcus pyogenes. In this species, erm(B) is responsible for MLS resistance in constitutively ...

journal_title：Antimicrobial agents and chemotherapy

authors： Brenciani A,Bacciaglia A,Vecchi M,Vitali LA,Varaldo PE,Giovanetti E

更新日期：2007-04-01 00:00:00

abstract：:Here, we report the isolation of 31 Acinetobacter baumannii strains producing OXA-253 in a single large Brazilian city. These strains belonged to five different sequence types (STs), including 4 STs not previously associated with blaOXA-253 In all strains, the blaOXA-253 gene was located in a plasmid within a genetic ...

journal_title：Antimicrobial agents and chemotherapy

authors： de Sá Cavalcanti FL,Mendes-Marques CL,Vasconcelos CR,de Lima Campos T,Rezende AM,Xavier DE,Leal NC,de-Melo-Neto OP,de Morais MM,Leal-Balbino TC

更新日期：2016-12-27 00:00:00

abstract：:Composite data describing ocular pharmacokinetics are unreliable because of intersubject variation. To address this problem, an animal model was developed in which multiple aqueous samples from single subjects were obtained. Following direct anterior chamber or intravenous administration of amikacin or chloramphenicol...

journal_title：Antimicrobial agents and chemotherapy

authors： Mayers M,Rush D,Madu A,Motyl M,Miller MH

更新日期：1991-09-01 00:00:00

abstract：:Fleroxacin was administered to seven lactating women as a single oral dose of 400 mg. Plasma, urine, and milk samples were collected for up to 48 h after administration. Drug concentrations were determined by a reversed-phase high-pressure liquid chromatography method and were used for the pharmacokinetic evaluation. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Dan M,Weidekamm E,Sagiv R,Portmann R,Zakut H

更新日期：1993-02-01 00:00:00

abstract：:We determined the nucleotide sequence of a 6-kb DNA region harboring the recF, orf192, gyrB, and gyrA genes from Mycobacterium smegmatis mc(2)155. The amino acid sequences deduced from gyrA and gyrB displayed 89 and 86% identity, respectively, with the DNA gyrase from Mycobacterium tuberculosis, and 67 and 65% identit...

journal_title：Antimicrobial agents and chemotherapy

authors： Revel-Viravau V,Truong QC,Moreau N,Jarlier V,Sougakoff W

更新日期：1996-09-01 00:00:00

abstract：:The in vitro susceptibility of Mycobacterium fortuitum and Mycobacterium chelonei to cefmetazole was studied by the agar dilution method. At a concentration of 16 micrograms/ml or lower, 44 isolates (96%) of M. fortuitum and 8 isolates (40%) of M. chelonei were inhibited. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Casal MJ,Rodriguez FC,Benavente MC

更新日期：1985-02-01 00:00:00

abstract：:The antimicrobial activity of CP-62,993 against four Chlamydia trachomatis isolates was compared with those of erythromycin, clindamycin, and tetracycline. The MIC of CP-62,993 was 0.26 to 1.02 micrograms/ml for 100% inclusion inhibition and 0.031 to 0.063 microgram/ml for 50% inclusion inhibition. With pharmacokineti...

journal_title：Antimicrobial agents and chemotherapy

authors： Walsh M,Kappus EW,Quinn TC

更新日期：1987-05-01 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：:Antifungal azoles are widely used for controlling fungal infections. Fungi are able to change the expression of many genes when they adapt to azole stress, and increased expression of some of these genes can elevate resistance to azoles. However, the regulatory mechanisms behind transcriptional adaption to azoles in f...

journal_title：Antimicrobial agents and chemotherapy

authors： Sun X,Wang K,Yu X,Liu J,Zhang H,Zhou F,Xie B,Li S

更新日期：2014-01-01 00:00:00

abstract：:R1033 is a plasmid of compatibility group P (= P1) transferred from a wild strain of Pseudomonas aeruginosa. It confers resistance to gentamicin by gentamicin acetyl-transferase 1 and to kanamycin and neomycin by neomycin phosphotransferase 1. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Smith DI,Lus RG,Rubio Calvo MC,Datta N,Jacob AE,Hedges RW

更新日期：1975-09-01 00:00:00

abstract：:Protozoan parasites of the Leishmania donovani complex are the causative agents of visceral leishmaniasis (VL), the most severe form of leishmaniasis, with high rates of mortality if left untreated. Leishmania parasites are transmitted to humans through the bite of infected female sandflies (Diptera: Phlebotominae), a...

journal_title：Antimicrobial agents and chemotherapy

authors： Vacchina P,Norris-Mullins B,Abengózar MA,Viamontes CG,Sarro J,Stephens MT,Pfrender ME,Rivas L,Morales MA

更新日期：2016-06-20 00:00:00

abstract：:Treatment failure is a major cause of concern for the Helicobacter pylori-related gastroduodenal diseases like gastritis, peptic ulcer, and gastric cancer. Curcumin, diferuloylmethane from turmeric, has recently been shown to arrest H. pylori growth. The antibacterial activity of curcumin against 65 clinical isolates ...

journal_title：Antimicrobial agents and chemotherapy

authors： De R,Kundu P,Swarnakar S,Ramamurthy T,Chowdhury A,Nair GB,Mukhopadhyay AK

更新日期：2009-04-01 00:00:00

abstract：:In a previous study we have shown that cultured epithelial cell lines can be used to measure the transepithelial passage of antimicrobial agents across the intestine and to obtain information on the mechanisms of transport utilized and predict the bioavailability of the antimicrobial agents after oral administration. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Ranaldi G,Islam K,Sambuy Y

更新日期：1994-06-01 00:00:00

abstract：:Racemic 2'-deoxy-3'-thiacytidine (BCH 189) is a dideoxycytidine analog having a sulfur atom in place of the 3' carbon. The enantiomers of BCH 189 have been resolved and found to be equipotent in antiviral activity against human immunodeficiency virus types 1 and 2. However, the (-)-enantiomer (3TC) is considerably les...

journal_title：Antimicrobial agents and chemotherapy

authors： Coates JA,Cammack N,Jenkinson HJ,Mutton IM,Pearson BA,Storer R,Cameron JM,Penn CR

更新日期：1992-01-01 00:00:00

abstract：:Toxoplasma gondii and Cryptosporidium parvum, members of the phylum Apicomplexa, are significant pathogens of both humans and animals worldwide for which new and effective therapeutics are needed. Here we describe the activity of the antibiotic boromycin against Toxoplasma and Cryptosporidium Boromycin potently inhibi...

journal_title：Antimicrobial agents and chemotherapy

authors： Abenoja J,Cotto-Rosario A,O'Connor R

更新日期：2021-01-19 00:00:00

abstract：:The beta-lactamases in 154 clinical Mycobacterium tuberculosis strains were studied. Susceptibilities to beta-lactam antibiotics, their combination with clavulanate (2:1), and two fluoroquinolones were determined in 24 M. tuberculosis strains susceptible to antimycobacterial drugs and in nine multiresistant strains. A...

journal_title：Antimicrobial agents and chemotherapy

authors： Segura C,Salvadó M,Collado I,Chaves J,Coira A

更新日期：1998-06-01 00:00:00

abstract：:The effect of the cephalosporin precursors and amino acids of the aspartic acid family on antibiotic production by Streptomyces clavuligerus was investigated DL-meso-Diaminopimelate and L-lysine each stimulated specific antibiotic production by 75%. A fourfold increase in specific production was obtained by simultaneo...

journal_title：Antimicrobial agents and chemotherapy

authors： Mendelovitz S,Aharonowitz Y

更新日期：1982-01-01 00:00:00