In vitro susceptibility of Mycobacterium fortuitum and Mycobacterium chelonei to cefmetazole.

abstract：:Mutants with multiple low-level antibiotic resistance were isolated from virulent wild-type Aeromonas salmonicida strains exposed to a low concentration of any one of several low-molecular-mass (approximately 635 daltons or less) antibiotics. Multiple resistance was toward beta-lactam compounds (penicillin G, ampicill...

journal_title：Antimicrobial agents and chemotherapy

authors： Wood SC,McCashion RN,Lynch WH

更新日期：1986-06-01 00:00:00

abstract：:Three mer transposons from the Murray collection of preantibiotic enterobacteria show >99% sequence identity to current isolates. Tn5073 is most closely related to Tn5036 and Tn1696, and Tn5074 is most closely related to Tn5053. Tn5075 is most closely related to Tn21 but lacks integron In2 and is flanked by insertion ...

journal_title：Antimicrobial agents and chemotherapy

authors： Essa AM,Julian DJ,Kidd SP,Brown NL,Hobman JL

更新日期：2003-03-01 00:00:00

abstract：:Eighty adults in areas of Kenya where malaria is holoendemic received presumptive treatment with atovaquone-proguanil and were followed closely. The time to the first Plasmodium falciparum parasitemia was 32 days. This prolonged prophylaxis period has implications for study design when used in malaria intervention tri...

journal_title：Antimicrobial agents and chemotherapy

authors： Polhemus ME,Remich S,Ogutu B,Waitumbi J,Lievens M,Ballou WR,Heppner DG Jr

更新日期：2008-04-01 00:00:00

abstract：:We examined the influences of different pH levels and three different buffers on flucytosine activity against 12 isolates of Candida albicans in two synthetic media, yeast nitrogen base (YNB) and synthetic amino acid medium-fungal (SAAMF), using broth dilution techniques and measuring the endpoints of visual MICs and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Calhoun DL,Galgiani JN

更新日期：1984-09-01 00:00:00

abstract：:The efficacies of cilofungin and amphotericin B separately and together in mice with disseminated candidiasis were studied. Male CD-1 mice (age, 5 weeks) were infected intravenously with 3 X 10(5) CFU of Candida albicans. At 4 days postinfection, intraperitoneal therapy was initiated and was continued for 14 days. The...

journal_title：Antimicrobial agents and chemotherapy

authors： Hanson LH,Perlman AM,Clemons KV,Stevens DA

更新日期：1991-07-01 00:00:00

abstract：:Resistance to antifungal drugs, specifically azoles such as fluconazole, in the opportunistic yeast Candida albicans has become an increasing problem in human immunodeficiency virus (HIV)-infected individuals. The molecular mechanisms responsible for this resistance have only recently become apparent and can include a...

journal_title：Antimicrobial agents and chemotherapy

authors： White TC

更新日期：1997-07-01 00:00:00

abstract：:Multivariate techniques such as principal component analysis or similar factor analysis help in analyses of the simultaneous interrelationships among several variables. A comparative multivariate analysis on the in vitro activities of eight antimicrobial agents, including the novel molecule daptomycin, is presented. M...

journal_title：Antimicrobial agents and chemotherapy

authors： Hernández JM,Conforti P

更新日期：1994-02-01 00:00:00

abstract：:Mycobacterium chimaera is a slow-growing nontuberculous Mycobacterium species belonging to the Mycobacterium avium complex (MAC). It has been identified globally as the cause of a large outbreak of cardiovascular infections following open heart surgery, but it can also cause respiratory infections in individuals with ...

journal_title：Antimicrobial agents and chemotherapy

authors： Mok S,Hannan MM,Nölke L,Stapleton P,O'Sullivan N,Murphy P,McLaughlin AM,McNamara E,Fitzgibbon MM,Rogers TR

更新日期：2019-08-23 00:00:00

abstract：:A unique group of viridans streptococci has been found in South Africa. These organisms were isolated in close temporal and physical proximity to the isolation of penicillin-resistant pneumococci. The strains were resistant to penicillin, oxacillin, the cephalosporins (all generations), piperacillin, azlocillin, and m...

journal_title：Antimicrobial agents and chemotherapy

authors： Farber BF,Eliopoulos GM,Ward JI,Ruoff KL,Syriopoulou V,Moellering RC Jr

更新日期：1983-11-01 00:00:00

abstract：:The human fungal pathogen Candida albicans releases a large glycofragment of the Msb2 surface protein (Msb2*) into the growth environment, which protects against the action of human antimicrobial peptides (AMPs) LL-37 and histatin-5. Quantitation of Msb2*/LL-37 interactions by microscale thermophoresis revealed high-a...

journal_title：Antimicrobial agents and chemotherapy

authors： Swidergall M,Ernst AM,Ernst JF

更新日期：2013-08-01 00:00:00

abstract：:Ribonucleoside analog inhibitors (rNAI) target the hepatitis C virus (HCV) RNA-dependent RNA polymerase nonstructural protein 5B (NS5B) and cause RNA chain termination. Here, we expand our studies on β-d-2'-C-methyl-2,6-diaminopurine-ribonucleotide (DAPN) phosphoramidate prodrug 1 (PD1) as a novel investigational inhi...

journal_title：Antimicrobial agents and chemotherapy

authors： Ehteshami M,Tao S,Ozturk T,Zhou L,Cho JH,Zhang H,Amiralaei S,Shelton JR,Lu X,Khalil A,Domaoal RA,Stanton RA,Suesserman JE,Lin B,Lee SS,Amblard F,Whitaker T,Coats SJ,Schinazi RF

更新日期：2016-07-22 00:00:00

abstract：:We compared the activity of delavirdine (DLV) plus zidovudine (AZT) (n = 300) with that of AZT (n = 297) against human immunodeficiency virus type 1 in a randomized, double-blind, placebo-controlled trial. DLV exerted a transient antiviral effect, and mutations for resistance to DLV were found in more than 90% of subj...

journal_title：Antimicrobial agents and chemotherapy

authors： Joly V,Moroni M,Concia E,Lazzarin A,Hirschel B,Jost J,Chiodo F,Bentwich Z,Love WC,Hawkins DA,Wilkins EG,Gatell AJ,Vetter N,Greenwald C,Freimuth WW,de Cian W

更新日期：2000-11-01 00:00:00

abstract：:Fluroquinolone antibiotics have been reported to have antiviral properties against RNA viruses, including hepatitis C virus (HCV). In the present study, five patients with advanced liver disease secondary to chronic HCV received 500 mg daily of oral ciprofloxacin for 30 days. Serum HCV-RNA levels and liver enzyme abno...

journal_title：Antimicrobial agents and chemotherapy

authors： Kojima H,Kaita KD,Hawkins K,Uhanova J,Minuk GY

更新日期：2002-10-01 00:00:00

abstract：:18F-labeled fleroxacin was used to measure the pharmacokinetics of fleroxacin in healthy and infected animals by positron emission tomography (PET) and tissue radioactivity measurements. In all experiments, a pharmacological dose of unlabeled drug (10 mg/kg) was coinjected with the tracer. The pharmacokinetics of [18F...

journal_title：Antimicrobial agents and chemotherapy

authors： Fischman AJ,Livni E,Babich J,Alpert NM,Liu YY,Thom E,Cleeland R,Prosser BL,Callahan RJ,Correia JA

更新日期：1992-10-01 00:00:00

abstract：:beta-Lactamase production was investigated in cultures of 25 Klebsiella pneumoniae isolates isolated at a hospital in Durban, South Africa, in 1994 and 1996. Twenty of these isolates gave ceftazidime MIC/ceftazidime plus clavulanate MIC ratios of >/=8, implying production of extended-spectrum beta-lactamases (ESBLs), ...

journal_title：Antimicrobial agents and chemotherapy

authors： Essack SY,Hall LM,Pillay DG,McFadyen ML,Livermore DM

更新日期：2001-01-01 00:00:00

abstract：:Subinhibitory concentrations of antibiotics have been shown to enhance biofilm formation in multiple bacterial species. While antibiotic exposure has been associated with modulated expression of many biofilm-related genes, the mechanisms of drug-induced biofilm formation remain a focus of ongoing research efforts and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Yu W,Hallinen KM,Wood KB

更新日期：2017-12-21 00:00:00

abstract：:The quinone antibiotic streptonigrin is believed to kill bacteria by promoting formation of oxygen radicals. This antibiotic has also been used to select resistant bacterial mutants, some of which vary in iron utilization. We examined the effects of streptonigrin on Neisseria gonorrhoeae and several types of gonococca...

journal_title：Antimicrobial agents and chemotherapy

authors： Cohen MS,Chai Y,Britigan BE,McKenna W,Adams J,Svendsen T,Bean K,Hassett DJ,Sparling PF

更新日期：1987-10-01 00:00:00

abstract：:Letermovir, GW275175X (a benzimidazole), and tomeglovir (Bay38-4766) are chemically unrelated human cytomegalovirus (CMV) terminase complex inhibitors that have been tested in human subjects. UL56 gene mutations are the dominant pathway of letermovir resistance, while UL89 and UL56 mutations are known to confer benzim...

journal_title：Antimicrobial agents and chemotherapy

authors： Chou S

更新日期：2017-10-24 00:00:00

abstract：:Both ampicillin and cefuroxime therapy of neonates selected drug- and species-dependent beta-lactam resistance patterns in fecal strains of Escherichia coli and Klebsiella spp. This was in contrast to our previous findings that ampicillin, but not cefuroxime, contributed to the emergence of beta-lactam resistance also...

journal_title：Antimicrobial agents and chemotherapy

authors： Tullus K,Berglund B,Burman LG

更新日期：1990-02-01 00:00:00

abstract：:The mechanism of colistin resistance (Col(r)) in Acinetobacter baumannii was studied by selecting in vitro Col(r) derivatives of the multidrug-resistant A. baumannii isolate AB0057 and the drug-susceptible strain ATCC 17978, using escalating concentrations of colistin in liquid culture. DNA sequencing identified mutat...

journal_title：Antimicrobial agents and chemotherapy

authors： Adams MD,Nickel GC,Bajaksouzian S,Lavender H,Murthy AR,Jacobs MR,Bonomo RA

更新日期：2009-09-01 00:00:00

abstract：:Antibiotic tolerance is an underappreciated antibiotic escape strategy that is associated with recurrent and relapsing infections, as well as acting as a precursor to resistance. Tolerance describes the ability of a bacterial population to survive transient exposure to an otherwise lethal concentration of antibiotic w...

journal_title：Antimicrobial agents and chemotherapy

authors： Bryson D,Hettle AG,Boraston AB,Hobbs JK

更新日期：2020-02-21 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：:INX-08189 is an aryl-phosphoramidate of 6-O-methyl-2'-C-methyl guanosine. INX-08189 was highly potent in replicon assays, with a 50% effective concentration of 10±6 nM against hepatitis C genotype 1b at 72 h. The inhibitory effect on viral replication was rapid, with a 50% effective concentration (EC50) of 35±8 nM at ...

journal_title：Antimicrobial agents and chemotherapy

authors： Vernachio JH,Bleiman B,Bryant KD,Chamberlain S,Hunley D,Hutchins J,Ames B,Gorovits E,Ganguly B,Hall A,Kolykhalov A,Liu Y,Muhammad J,Raja N,Walters CR,Wang J,Williams K,Patti JM,Henson G,Madela K,Aljarah M,Gilles

更新日期：2011-05-01 00:00:00

abstract：:The polymixin colistin represents a last resort antibiotic for multidrug resistant infections, but its use is limited by the frequent onset of acute drug-induced kidney injury (DIKI). It is essential to closely monitor kidney function prior to and during colistin treatment in order to pinpoint early signs of injury an...

journal_title：Antimicrobial agents and chemotherapy

authors： Samodelov SL,Visentin M,Gai Z,Häusler S,Kullak-Ublick GA

更新日期：2019-10-07 00:00:00

abstract：:We studied the efficacy of new experimental antifungal drugs, which represent molecular modifications of present active agents, in a murine model of blastomycosis. Ketoconazole, previously the best azole drug studied and which is protective when administered orally, was superior to a new oral imidazole, Bay l 9139, an...

journal_title：Antimicrobial agents and chemotherapy

authors： Lefler E,Brummer E,Perlman AM,Stevens DA

更新日期：1985-03-01 00:00:00

abstract：:Duck hepatitis B virus (DHBV) replication in primary duck hepatocytes was monitored by examining the synthesis of both DHBV DNA and DHBV core antigen. Several nucleoside analogs which were previously shown to inhibit the replication of DNA viruses (i.e., herpesviruses) and retroviruses were examined for their inhibito...

journal_title：Antimicrobial agents and chemotherapy

authors： Yokota T,Konno K,Chonan E,Mochizuki S,Kojima K,Shigeta S,de Clercq E

更新日期：1990-07-01 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：:A radioimmunoassay system has been developed for the measurement of two major metabolites of 9,3"-diacetylmidecamycin, Mb-6 and Mb-12. A radioimmunoassay for Mb-6 was performed by using anti-Mb-6 serum and a [125I]tyramined Mb-6 derivative as a radiolabeled antigen. The labeled antigen was prepared by the chloramine T...

journal_title：Antimicrobial agents and chemotherapy

authors： Shimada N,Ueda T,Yokoshima T,Umemura K,Shomura T

更新日期：1982-12-01 00:00:00

abstract：:Treatment of Escherichia coli K-10 with 100 mug of chloramphenicol per ml for periods greater than 30 min leads to progressive lysis and killing of cells. The bactericidal action of the antibiotic is dependent on cell growth and physiology; only rapidly dividing cells are susceptible to killing; resting or slowly grow...

journal_title：Antimicrobial agents and chemotherapy

authors： Guota RS

更新日期：1975-06-01 00:00:00

abstract：:A total of 18 strains of Mycobacterium fortuitum, 15 strains of M. chelonei, and 31 strains of M. chelonei-like organisms were tested by both broth microdilution and agar dilution to determine their susceptibility to 34 antimicrobial agents. All strains grew well enough in cation-supplemented Mueller-Hinton broth for ...

journal_title：Antimicrobial agents and chemotherapy

authors： Swenson JM,Thornsberry C,Silcox VA

更新日期：1982-08-01 00:00:00