Geographical and ecological analysis of resistance, coresistance, and coupled resistance to antimicrobials in respiratory pathogenic bacteria in Spain.

abstract：:Mycobacterium smegmatis is a fast-growing nonpathogenic species particularly useful in studying basic cellular processes of relevance to pathogenic mycobacteria. This study focused on the D-alanine racemase gene (alrA), which is involved in the synthesis of D-alanine, a basic component of peptidoglycan that forms the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Chacon O,Feng Z,Harris NB,Cáceres NE,Adams LG,Barletta RG

更新日期：2002-01-01 00:00:00

abstract：:Leukocyte chemotaxis was inhibited 9.6% compared with control in the presence of 10 mug of gentamicin per ml and 10.5% when exposed to 20 mug of amikacin per ml. However, cells incubated with an injectable form of gentamicin, containing preservatives, were inhibited an additional 25.8% relative to cells incubated with...

journal_title：Antimicrobial agents and chemotherapy

authors： Goodhart GL

更新日期：1977-10-01 00:00:00

abstract：:The sterol 14-demethylase P450 (CYP51) of a fluconazole-resistant isolate of Candida albicans, DUMC136, showed reduced susceptibility to this azole but with little change in its catalytic activity. Twelve nucleotide substitutions, resulting in four amino acid changes, were identified in the DUMC136 CYP51 gene in compa...

journal_title：Antimicrobial agents and chemotherapy

authors： Asai K,Tsuchimori N,Okonogi K,Perfect JR,Gotoh O,Yoshida Y

更新日期：1999-05-01 00:00:00

abstract：:SCE-129 [3-(4-carbamoyl-1-pyridiniomethyl)-7beta-(d-alpha-sulfophenylacetamido)-ceph-3-em-4-carboxylate monosodium salt], a new semisynthetic cephalosporin, shows potent in vitro antibacterial activities against Pseudomonas aeruginosa and some gram-positive bacteria, whereas it shows lower activity against many gram-n...

journal_title：Antimicrobial agents and chemotherapy

authors： Tsuchiya K,Kondo M,Nagatomo H

更新日期：1978-02-01 00:00:00

abstract：:The opportunistic Gram-negative pathogen Pseudomonas aeruginosa, known for its intrinsic and acquired antibiotic resistance, has a notorious ability to form biofilms, which often facilitate chronic infections. The evolutionary paths to antibiotic resistance have mainly been investigated in planktonic cultures and are ...

journal_title：Antimicrobial agents and chemotherapy

authors： Ahmed MN,Porse A,Sommer MOA,Høiby N,Ciofu O

更新日期：2018-07-27 00:00:00

abstract：:Mutations in the kelch propeller domain (K13 propeller) of Plasmodium falciparum parasites from Southeast Asia are associated with reduced susceptibility to artemisinin. We exposed in vitro-cultured stage V gametocytes from Cambodian K13 propeller mutant parasites to dihydroartemisinin and evaluated the inhibition of ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lozano S,Gamallo P,González-Cortés C,Presa Matilla JL,Fairhurst RM,Herreros E,Amaratunga C,Rodrigues J

更新日期：2018-11-26 00:00:00

abstract：:Antimicrobial photodynamic inactivation (PDI) was shown to be a promising treatment modality for microbial infections. This study explores the effect of chitosan, a polycationic biopolymer, in increasing the PDI efficacy against Gram-positive bacteria, including Staphylococcus aureus, Staphylococcus epidermidis, Strep...

journal_title：Antimicrobial agents and chemotherapy

authors： Tsai T,Chien HF,Wang TH,Huang CT,Ker YB,Chen CT

更新日期：2011-05-01 00:00:00

abstract：:Beta-l-2',3'-didehydro-2',3'-dideoxy-N(4)-hydroxycytidine (l-Hyd4C) was demonstrated to be an effective and highly selective inhibitor of hepatitis B virus (HBV) replication in HepG2.2.15 cells (50% effective dose [ED(50)] = 0.03 microM; 50% cytotoxic dose [CD(50)] = 2,500 microM). In the present study, we investigate...

journal_title：Antimicrobial agents and chemotherapy

authors： Matthes E,Bünger H

更新日期：2010-01-01 00:00:00

abstract：:Bacteriophage therapy of bacterial infections has received renewed attention owing to the increasing prevalence of antibiotic-resistant pathogens. A side effect of many antibiotics as well as of phage therapy with lytic phage is the release of cell wall components, e.g., endotoxins of gram-negative bacteria, which med...

journal_title：Antimicrobial agents and chemotherapy

authors： Hagens S,Habel A,von Ahsen U,von Gabain A,Bläsi U

更新日期：2004-10-01 00:00:00

abstract：:We recently reported that in lung tissue, thioridazine accumulates at high concentrations relative to serum levels, displaying modest synergy with isoniazid and reducing the emergence of isoniazid-resistant mutants in mouse lungs. In this study, we sought to investigate the sterilizing activity of human-equivalent dos...

journal_title：Antimicrobial agents and chemotherapy

authors： Dutta NK,Pinn ML,Karakousis PC

更新日期：2014-09-01 00:00:00

abstract：:Resistance of influenza viruses to antiviral drugs can emerge following medication or may result from natural variation. Two classes of anti-influenza virus drugs targeting either the M2 protein (amantadine and rimantadine) or neuraminidase (NA; oseltamivir and zanamivir) are currently licensed. These drugs are expect...

journal_title：Antimicrobial agents and chemotherapy

authors： Deyde VM,Nguyen T,Bright RA,Balish A,Shu B,Lindstrom S,Klimov AI,Gubareva LV

更新日期：2009-03-01 00:00:00

abstract：:Ovotransferrin immobilized by covalent linkage to Sepharose 4B showed a bacteriostatic effect towards Escherichia coli similar to that of free ovotransferrin. The growth of the bacteria, after exposure to the gel-bound ovotransferrin and its removal, depended on the length of exposure. The results suggest that the ant...

journal_title：Antimicrobial agents and chemotherapy

authors： Valenti P,Antonini G,Fanelli MR,Orsi N,Antonini E

更新日期：1982-05-01 00:00:00

abstract：:Tildipirosin is a 16-membered-ring macrolide developed to treat bacterial pathogens, including Mannheimia haemolytica and Pasteurella multocida, that cause respiratory tract infections in cattle and swine. Here we evaluated the efficacy of tildipirosin at inhibiting protein synthesis on the ribosome (50% inhibitory co...

journal_title：Antimicrobial agents and chemotherapy

authors： Andersen NM,Poehlsgaard J,Warrass R,Douthwaite S

更新日期：2012-11-01 00:00:00

abstract：:We studied the efficacy of pentamidine (PNT) as prophylaxis or early treatment in acute pulmonary fusariosis in neutropenic mice. PNT-preexposed mice had significantly improved survival and reduced fungal burden compared to amphotericin B-preexposed and untreated mice. PNT-treated mice had increased survival but no di...

journal_title：Antimicrobial agents and chemotherapy

authors： Lionakis MS,Chamilos G,Lewis RE,Wiederhold NP,Raad II,Samonis G,Kontoyiannis DP

更新日期：2006-01-01 00:00:00

abstract：:Hematogenous Candida meningoencephalitis (HCME) is a serious infection in premature neonates. Anidulafungin is an echinocandin antifungal agent with potent activity against Candida spp., but its efficacy and optimal regimens for human neonates with HCME are not known. A well-validated rabbit model of HCME was used to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Warn PA,Livermore J,Howard S,Felton TW,Sharp A,Gregson L,Goodwin J,Petraitiene R,Petraitis V,Cohen-Wolkowiez M,Walsh TJ,Benjamin DK Jr,Hope WW

更新日期：2012-02-01 00:00:00

abstract：:Several antibiotics have disulfiram-like effects; we evaluated disulfiram for its antibiotic-like effects. Disulfiram inhibited the in vitro growth of methicillin-resistant Staphylococcus aureus, with an MIC of 1.33 micrograms/ml, but was not effective against members of the family Enterobacteriaceae or Pseudomonas sp...

journal_title：Antimicrobial agents and chemotherapy

authors： Phillips M,Malloy G,Nedunchezian D,Lukrec A,Howard RG

更新日期：1991-04-01 00:00:00

abstract：:LpxC [UDP-3-O-(R-3-hydroxymyristoyl)-GlcNAc deacetylase] is a metalloamidase that catalyzes the first committed step in the biosynthesis of the lipid A component of lipopolysaccharide. A previous study (H. R. Onishi, B. A. Pelak, L. S. Gerckens, L. L. Silver, F. M. Kahan, M. H. Chen, A. A. Patchett, S. M. Galloway, S....

journal_title：Antimicrobial agents and chemotherapy

authors： Mdluli KE,Witte PR,Kline T,Barb AW,Erwin AL,Mansfield BE,McClerren AL,Pirrung MC,Tumey LN,Warrener P,Raetz CR,Stover CK

更新日期：2006-06-01 00:00:00

abstract：:The antimicrobial activity of carumonam (formerly RO-17-2301), a monocyclic beta-lactam antibiotic, was compared with those of aztreonam, cefotaxime, cefoperazone, ceftazidime, piperacillin, and gentamicin against 455 bacterial isolates. Carumonam did not possess activity against gram-positive cocci and was generally ...

journal_title：Antimicrobial agents and chemotherapy

authors： Smith BR,LeFrock JL,McCloskey RV,Donato JB,Weber SJ,Joseph WS

更新日期：1986-02-01 00:00:00

abstract：:The ponA gene of Mycobacterium smegmatis encodes a 95-kDa penicillin binding protein, PBP1, that is similar to PBP1s of Mycobacterium tuberculosis and Mycobacterium leprae. Transposon disruption of ponA in M. smegmatis resulted in a PBP1-deficient mutant that was sensitive to beta-lactam antibiotics, was more permeabl...

journal_title：Antimicrobial agents and chemotherapy

authors： Billman-Jacobe H,Haites RE,Coppel RL

更新日期：1999-12-01 00:00:00

abstract：:Levels of roxithromycin in serum and tissue were investigated in 29 subjects undergoing tonsillectomy. A total of 13 subjects received a single oral dose of 300 mg, and 16 received four oral doses 12 h apart as follows: a 300-mg loading dose followed by three 150-mg doses. Measurable levels of roxithromycin were prese...

journal_title：Antimicrobial agents and chemotherapy

authors： Galioto GB,Ortisi G,Mevio E,Sassella D,Bartucci F,Privitera G

更新日期：1988-09-01 00:00:00

abstract：:Four large staphylococcal plasmids ranging in size from 31 to 82 kbp have been shown to mediate tetracycline resistance via an integrated copy of the tet(K)-encoding plasmid pT181 which was flanked by copies of the insertion element IS257. In two cases, IS257 elements interrupted the repC reading frame of pT181 and an...

journal_title：Antimicrobial agents and chemotherapy

authors： Werckenthin C,Schwarz S,Roberts MC

更新日期：1996-11-01 00:00:00

abstract：:Polymorphisms and the overexpression of transporter genes, especially of the ATP-binding cassette superfamily, have been involved in antimalarial drug resistance. The objective of this study was to use 77 Senegalese Plasmodium falciparum isolates to evaluate the association between the number of Asn residues in the po...

journal_title：Antimicrobial agents and chemotherapy

authors： Gendrot M,Diawara S,Madamet M,Kounta MB,Briolant S,Wade KA,Fall M,Benoit N,Nakoulima A,Amalvict R,Diémé Y,Fall B,Wade B,Diatta B,Pradines B

更新日期：2017-02-23 00:00:00

abstract：:Enterococcus faecalis strain WCH9 displays a moderate level of resistance to vancomycin (MIC = 16 microgram/ml) and full susceptibility to teicoplanin but is negative by PCR analysis using primers specific for all known enterococcal vancomycin resistance genotypes (vanA, vanB, vanC, vanD, and vanE). We have isolated a...

journal_title：Antimicrobial agents and chemotherapy

authors： McKessar SJ,Berry AM,Bell JM,Turnidge JD,Paton JC

更新日期：2000-11-01 00:00:00

abstract：:Previous studies have shown that the proton pump inhibitor omeprazole has antimalarial activity in vitro. The interactions of omeprazole with commonly used antimalarial drugs were assessed in vitro. Omeprazole and quinine combinations were synergistic; however, chloroquine and omeprazole combinations were antagonistic...

journal_title：Antimicrobial agents and chemotherapy

authors： Skinner-Adams T,Davis TM

更新日期：1999-05-01 00:00:00

abstract：:Propolis, a resinous bee product, has been shown to inhibit the growth of oral microorganisms and the activity of bacterium-derived glucosyltransferases (GTFs). Several compounds, mainly polyphenolics, have been identified in this natural product. The present study evaluated the effects of distinct chemical groups fou...

journal_title：Antimicrobial agents and chemotherapy

authors： Koo H,Rosalen PL,Cury JA,Park YK,Bowen WH

更新日期：2002-05-01 00:00:00

abstract：:The activities of the purine acyclic nucleoside 9-(1,3-dihydroxy-2-propoxymethyl)guanine (DHPG) against two human and five animal strains of cytomegalovirus were compared with those of acyclovir. DHPG was significantly more active than acyclovir against all but one (mouse cytomegalovirus) of the strains tested, with 5...

journal_title：Antimicrobial agents and chemotherapy

authors： Freitas VR,Smee DF,Chernow M,Boehme R,Matthews TR

更新日期：1985-08-01 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：:We report here on a quantitative real-time reverse transcription-PCR (qRT-PCR) assay for assessing drug efficacy against the intracellular pathogen Cryptosporidium parvum. The qRT-PCR assay detects 18S rRNA transcripts from both parasites, that is, the cycle threshold for 18S rRNA from parasites (C(T)([P18S])) and hos...

journal_title：Antimicrobial agents and chemotherapy

authors： Cai X,Woods KM,Upton SJ,Zhu G

更新日期：2005-11-01 00:00:00

abstract：:To investigate the effects of posaconazole (POS) and amphotericin B (AMB) combination therapy in cryptococcal infection, we established an experimental model of systemic cryptococcosis in CD1 mice by intravenous injection of three distinct clinical isolates of Cryptococcus neoformans. Therapy was started 24 h after th...

journal_title：Antimicrobial agents and chemotherapy

authors： Barchiesi F,Spreghini E,Schimizzi AM,Maracci M,Giannini D,Carle F,Scalise G

更新日期：2004-09-01 00:00:00

abstract：:The pharmacokinetics of gentamicin C(1), C(2), and C(1a) were studied in six beagles after administration of gentamicin at 4 mg/kg of body weight as a single intravenous bolus dose. Plasma concentrations of the gentamicin components were analyzed with a novel high-performance liquid chromatography method capable of id...

journal_title：Antimicrobial agents and chemotherapy

authors： Isoherranen N,Lavy E,Soback S

更新日期：2000-06-01 00:00:00