Binding of polymyxin B nonapeptide to gram-negative bacteria.

abstract：:The presence and genetic content of integrons were investigated for 37 epidemiologically unrelated multiple-drug-resistant strains of Salmonella enterica serotype Typhimurium from humans. All isolates were resistant to ampicillin, chloramphenicol, kanamycin, streptomycin, sulfonamides, and trimethoprim, as well as to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Tosini F,Visca P,Luzzi I,Dionisi AM,Pezzella C,Petrucca A,Carattoli A

更新日期：1998-12-01 00:00:00

abstract：:An a priori pharmacokinetic/pharmacodynamic (PK/PD) target of 40% daily time above the MIC (T >MIC; based on the MIC(90) of 0.06 microg/ml for Streptococcus pyogenes reported in the literature) was shown to be achievable in a phase 1 study of 23 children with a once-daily (QD) modified-release, multiparticulate formul...

journal_title：Antimicrobial agents and chemotherapy

authors： Pichichero ME,Casey JR,Block SL,Guttendorf R,Flanner H,Markowitz D,Clausen S

更新日期：2008-07-01 00:00:00

abstract：:Salmonella enterica serovar Typhi is an important pathogen exclusively for humans and causes typhoid or enteric fever. It has been shown that type IVB pili, encoded by the S. enterica serovar Typhi pil operon located in Salmonella pathogenicity island 7, are important in the pathogenic process. In this study, by using...

journal_title：Antimicrobial agents and chemotherapy

authors： Pan Q,Zhang XL,Wu HY,He PW,Wang F,Zhang MS,Hu JM,Xia B,Wu J

更新日期：2005-10-01 00:00:00

abstract：:We compared the in vitro activity of gemifloxacin, a new quinolone antibiotic, to the activities of levofloxacin, moxifloxacin, trovafloxacin, erythromycin, and doxycycline against 20 isolates of Chlamydia pneumoniae. Gemifloxacin was the most active quinolone tested, with a MIC at which 90% of the isolates are inhibi...

journal_title：Antimicrobial agents and chemotherapy

authors： Roblin PM,Reznik T,Kutlin A,Hammerschlag MR

更新日期：1999-11-01 00:00:00

abstract：:Sch 21420 is a new aminoglycoside synthesized from gentamicin B. Susceptibility tests with Sch 21420, amikacin, gentamicin, netilmicin, sisomicin, and tobramycin were performed on a variety of bacterial species including 44 with known mechanisms of resistance to aminoglycosides. Sch 21420 and amikacin had similar effe...

journal_title：Antimicrobial agents and chemotherapy

authors： Thornsberry C,Barry AL,Jones RN,Baker CN,Badal RE,Packer RR

更新日期：1980-08-01 00:00:00

abstract：:Cell-free amino acid incorporation using ribosomes from strains of either Clostridium perfringens or Bacteroides fragilis was shown to be susceptible to inhibition by streptomycin and gentamicin. Ribosomes bound dihydrostreptomycin as effectively as ribosomes from Escherichia coli. No inactivation of streptomycin or g...

journal_title：Antimicrobial agents and chemotherapy

authors： Bryan LE,Kowand SK,Van Den Elzen HM

更新日期：1979-01-01 00:00:00

abstract：:Yersinia enterocolitica has emerged as an enteropathogen associated with several types of human infections that often require antimicrobial therapy, but little is known about the antimicrobial susceptibilities of pathogenic strains isolated from humans in Canada. To determine the present patterns of antimicrobial susc...

journal_title：Antimicrobial agents and chemotherapy

authors： Preston MA,Brown S,Borczyk AA,Riley G,Krishnan C

更新日期：1994-09-01 00:00:00

abstract：:Doxycycline is the treatment of choice for canine monocytic ehrlichiosis (CME), a well-characterized disease and valuable model for tick-borne zoonoses. Conflicting reports of clearance of Ehrlichia canis after treatment with doxycycline suggested that the disease phase during which treatment is initiated influences o...

journal_title：Antimicrobial agents and chemotherapy

authors： McClure JC,Crothers ML,Schaefer JJ,Stanley PD,Needham GR,Ewing SA,Stich RW

更新日期：2010-12-01 00:00:00

abstract：:The use of gentamicin to control contamination in a tissue culture system for the isolation of Chlamydia was investigated. Gentamicin, at concentrations up to 100 mug/ml, did not appear to inhibit the growth of stock chlamydial strains, as judged by assays for iodine-staining inclusions. When 343 cervical and urethral...

journal_title：Antimicrobial agents and chemotherapy

authors： Wentworth BB

更新日期：1973-06-01 00:00:00

abstract：:Seven hundred twenty-three isolates of Moraxella catarrhalis obtained from outpatients with a variety of infections in 30 medical centers in the United States between 1 November 1994 and 30 April 1995 were characterized in a central laboratory. The overall rate of beta-lactamase production was 95.3%. When the National...

journal_title：Antimicrobial agents and chemotherapy

authors： Doern GV,Brueggemann AB,Pierce G,Hogan T,Holley HP Jr,Rauch A

更新日期：1996-12-01 00:00:00

abstract：:Resistance of Streptococcus pneumoniae to fluoroquinolones is caused predominantly by amino acid substitutions at positions Ser79 of ParC and Ser81 of GyrA to either Phe or Tyr encoded in the quinolone resistance-determining regions of the parC topoisomerase IV and gyrA DNA gyrase genes. Analysis of highly resistant c...

journal_title：Antimicrobial agents and chemotherapy

authors： Korzheva N,Davies TA,Goldschmidt R

更新日期：2005-06-01 00:00:00

abstract：:We compared the inoculum effects for 109 recent clinical isolates of the Bacteroides fragilis group of cefoxitin, cefotetan, ceftizoxime, ceftriaxone, and three beta-lactamase inhibitors (clavulanic acid, sulbactam, and tazobactam) and their penicillin-derived components. Bactericidal activity was assayed and morpholo...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Citron DM,Cherubin CE

更新日期：1991-09-01 00:00:00

abstract：:The pharmacokinetic disposition of 2 g of cefoxitin administered intravenously over 30 min was determined in six patients undergoing continuous ambulatory peritoneal dialysis for chronic renal failure. During the 6-h dialysate dwell time after the drug infusion, the mean apparent volume of distribution for cefoxitin w...

journal_title：Antimicrobial agents and chemotherapy

authors： Greaves WL,Kreeft JH,Ogilvie RI,Richards GK

更新日期：1981-02-01 00:00:00

abstract：:The susceptibilities of 430 Campylobacter jejuni strains and 79 C. coli strains to six antimicrobial agents were tested and analyzed. The two sets of strains originated from retail market chicken and turkey samples and from humans, respectively, in Berlin, Germany. Two groups of isolates, one dating from 1991 and the ...

journal_title：Antimicrobial agents and chemotherapy

authors： Luber P,Wagner J,Hahn H,Bartelt E

更新日期：2003-12-01 00:00:00

abstract：:We studied polymyxin B resistance in 10 pairs of clinical Acinetobacter baumannii isolates, two of which had developed polymyxin B resistance in vivo. All polymyxin B-resistant isolates had lower growth rates than and substitution mutations in the lpx or pmrB gene compared to their parent isolates. There were signific...

journal_title：Antimicrobial agents and chemotherapy

authors： Lim TP,Ong RT,Hon PY,Hawkey J,Holt KE,Koh TH,Leong ML,Teo JQ,Tan TY,Ng MM,Hsu LY

更新日期：2015-12-01 00:00:00

abstract：:Anidulafungin is an echinocandin with activity against Candida species and Aspergillus species. Adult dosages under study are 50 mg/day for esophageal candidiasis and 100 mg/day for invasive candidiasis and aspergillosis. Little is known, however, about the safety and pharmacokinetics of anidulafungin in children. A m...

journal_title：Antimicrobial agents and chemotherapy

authors： Benjamin DK Jr,Driscoll T,Seibel NL,Gonzalez CE,Roden MM,Kilaru R,Clark K,Dowell JA,Schranz J,Walsh TJ

更新日期：2006-02-01 00:00:00

abstract：:Despite the fact that Nepal is one of the first countries globally to introduce multidrug-resistant tuberculosis (MDR-TB) case management, the number of MDR-TB cases is continuing to rise in Nepal. Rapid molecular tests applicable in this setting to identify resistant organisms would be an effective tool in reversing ...

journal_title：Antimicrobial agents and chemotherapy

authors： Poudel A,Nakajima C,Fukushima Y,Suzuki H,Pandey BD,Maharjan B,Suzuki Y

更新日期：2012-06-01 00:00:00

abstract：:Susceptibility of pathogenic aerobic bacteria to moxalactam (LY127935) was compared by two methods, diffusion from 30-microgram disks and agar plate dilution. The two methods gave a satisfactory degree of correlation when compared by linear regression, but the slope of the linear regression was significantly steeper f...

journal_title：Antimicrobial agents and chemotherapy

authors： Hall WH,Opfer BJ

更新日期：1981-01-01 00:00:00

abstract：:The physiological factors that contribute to Mycobacterium abscessus lung infections remain unclear. We determined whether antibiotic treatment targeting a major cystic fibrosis pathogen (i.e., Pseudomonas aeruginosa) could provide the ideal conditions for the establishment of M. abscessus infection. Our data showed t...

journal_title：Antimicrobial agents and chemotherapy

authors： Rodríguez-Sevilla G,Crabbé A,García-Coca M,Aguilera-Correa JJ,Esteban J,Pérez-Jorge C

更新日期：2019-10-22 00:00:00

abstract：:The human and veterinary disease complex known as African trypanosomiasis continues to inflict significant global morbidity, mortality, and economic hardship. Drug resistance and toxic side effects of old drugs call for novel and unorthodox strategies for new and safe treatment options. We designed methyltriazenyl pur...

journal_title：Antimicrobial agents and chemotherapy

authors： Rodenko B,Wanner MJ,Alkhaldi AA,Ebiloma GU,Barnes RL,Kaiser M,Brun R,McCulloch R,Koomen GJ,de Koning HP

更新日期：2015-11-01 00:00:00

abstract：:We have used the endogenous reverse transcriptase reaction of viral core particles from duck liver to elucidate the mechanism of inhibition of duck hepatitis B virus (DHBV) replication by the nucleoside analog (-)-beta-L-2',3'-dideoxy-3'-thiacytidine (3TC). As is the case in human immunodeficiency virus replication, 3...

journal_title：Antimicrobial agents and chemotherapy

authors： Severini A,Liu XY,Wilson JS,Tyrrell DL

更新日期：1995-07-01 00:00:00

abstract：:Cyclic peptides with an even number of alternating d,l-alpha-amino acid residues are known to self-assemble into organic nanotubes. Such peptides previously have been shown to be stable upon protease treatment, membrane active, and bactericidal and to exert antimicrobial activity against Staphylococcus aureus and othe...

journal_title：Antimicrobial agents and chemotherapy

authors： Dartois V,Sanchez-Quesada J,Cabezas E,Chi E,Dubbelde C,Dunn C,Granja J,Gritzen C,Weinberger D,Ghadiri MR,Parr TR Jr

更新日期：2005-08-01 00:00:00

abstract：:The antibiotic susceptibilities of 43 strains of Escherichia coli O157:H7 identified in the summer of 1996 in Japan were investigated. Growth of 90% of O157 strains was inhibited at a concentration of < or = 0.5 micro/ml by several agents including fosfomycin with glucose-6-phosphate. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Tsuboi I,Ida H,Yoshikawa E,Hiyoshi S,Yamaji E,Nakayama I,Nonomiya T,Shigenobu F,Shimizu M,O'Hara K,Sawai T,Mizuoka K

更新日期：1998-02-01 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：:Genome editing using zinc finger nucleases (ZFNs) has been successfully applied to disrupt CCR5 or CXCR4 host factors and inhibit viral entry and infection. Gene therapy using ZFNs to modify the PSIP1 gene, which encodes the lens epithelium-derived growth factor (LEDGF) protein, might restrain an early step of the vir...

journal_title：Antimicrobial agents and chemotherapy

authors： Badia R,Pauls E,Riveira-Munoz E,Clotet B,Esté JA,Ballana E

更新日期：2014-08-01 00:00:00

abstract：:Various parameters were examined for their effects on interferon production with human fibroblast cells (FS-4) grown on microcarriers, using a superinduction procedure. Optimal concentrations of cycloheximide and actinomycin D during induction were 10 micrograms/ml, respectively. Cells required 5 to 6 h of exposure to...

journal_title：Antimicrobial agents and chemotherapy

authors： Giard DJ,Fleischaker RJ

更新日期：1980-07-01 00:00:00

abstract：:To compare the effect of ritonavir on plasma amprenavir pharmacokinetics, healthy adults received either fosamprenavir (700 mg twice a day [BID]) or amprenavir (600 mg BID) alone and in combination with ritonavir (100 mg BID). Ritonavir increased plasma amprenavir pharmacokinetic parameters to a similar extent when co...

journal_title：Antimicrobial agents and chemotherapy

authors： Wire MB,Baker KL,Jones LS,Shelton MJ,Lou Y,Thomas GJ,Berrey MM

更新日期：2006-04-01 00:00:00

abstract：:Rationally designed synthetic inhibitors of retroviral proteases inhibit the processing of viral polyproteins in cultures of human immunodeficiency virus type 1 (HIV-1)-infected T lymphocytes and, as a result, inhibit the infectivity of HIV-1 for such cultures. The ability of HIV-1 protease inhibitors to suppress repl...

journal_title：Antimicrobial agents and chemotherapy

authors： Black PL,Downs MB,Lewis MG,Ussery MA,Dreyer GB,Petteway SR Jr,Lambert DM

更新日期：1993-01-01 00:00:00

abstract：:The aims of the study were to investigate the prevalence of azole resistance among Aspergillus fumigatus clinical isolates. A total of 533 clinical isolates that had been collected between 1995 and 2006, from 441 patients, were screened. No resistance was detected in isolates collected between 1995 and 1997. Starting ...

journal_title：Antimicrobial agents and chemotherapy

authors： Lazzarini C,Esposto MC,Prigitano A,Cogliati M,De Lorenzis G,Tortorano AM

更新日期：2015-11-09 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