Inhibition of ribonucleic acid polymerase by a bacteriocin from Bacteroides fragilis.

abstract：:We determined the complete nucleotide sequence of a self-transmissible IncL/M plasmid, pKOI-34, from a Klebsiella oxytoca isolate. pKOI-34 possessed the core structure of an IncL/M plasmid found in Erwinia amylovora, pEL60, with two mobile elements inserted, a transposon carrying the arsenic resistance operon and a Tn...

journal_title：Antimicrobial agents and chemotherapy

authors： Shimada N,Kayama S,Shigemoto N,Hisatsune J,Kuwahara R,Nishio H,Yamasaki K,Wada Y,Sueda T,Ohge H,Sugai M

更新日期：2016-04-22 00:00:00

abstract：:Streptococcus pneumoniae, a major cause of human disease, produces a 17-mer autoinducer peptide pheromone (competence-stimulating peptide [CSP]) for the control of competence for genetic transformation. Due to previous work linking CSP to stress phenotypes, we set up an in vivo sepsis model to assay its effect on viru...

journal_title：Antimicrobial agents and chemotherapy

authors： Oggioni MR,Iannelli F,Ricci S,Chiavolini D,Parigi R,Trappetti C,Claverys JP,Pozzi G

更新日期：2004-12-01 00:00:00

abstract：:Mycobacterium tuberculosis strains with spontaneous mutations conferring resistance to rifampin (RIF) are exceedingly rare, and fixed drug combinations typically prevent augmentation of resistance to single drugs. Fourteen newly diagnosed tuberculosis patients were treated with RIF alone for 14 days, and bacterial loa...

journal_title：Antimicrobial agents and chemotherapy

authors： Kayigire XA,Friedrich SO,van der Merwe L,Diacon AH

更新日期：2017-03-24 00:00:00

abstract：:Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae strains have spread worldwide and become a major threat in health care facilities. Transmission of blaKPC, the plasmid-borne KPC gene, can be mediated by clonal spread and horizontal transfer. Here, we report the complete nucleotide sequences of two nov...

journal_title：Antimicrobial agents and chemotherapy

authors： Chen L,Chavda KD,Melano RG,Hong T,Rojtman AD,Jacobs MR,Bonomo RA,Kreiswirth BN

更新日期：2014-01-01 00:00:00

abstract：:Carbapenem-resistant Enterobacteriaceae (CRE) are resistant to most antibiotics, making CRE infections extremely difficult to treat with available agents. Klebsiella pneumoniae carbapenemases (KPC-2 and KPC-3) are predominant carbapenemases in CRE in the United States. Nacubactam is a bridged diazabicyclooctane (DBO) ...

journal_title：Antimicrobial agents and chemotherapy

authors： Barnes MD,Taracila MA,Good CE,Bajaksouzian S,Rojas LJ,van Duin D,Kreiswirth BN,Jacobs MR,Haldimann A,Papp-Wallace KM,Bonomo RA

更新日期：2019-07-25 00:00:00

abstract：:Mefloquine shows a high capacity to bind plasma proteins, which influences the amount of drug in erythrocytes. The study investigated the association of lipids levels with plasma concentrations of mefloquine and carboxy-mefloquine in 85 Brazilian patients with uncomplicated falciparum malaria. There were no significan...

journal_title：Antimicrobial agents and chemotherapy

authors： Vieira JLF,Rivera JGB,de Sena LWP,Ferreira MVD

更新日期：2020-02-21 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：:All cells need to protect themselves against the osmotic challenges of their environment by maintaining low permeability to ions across their cell membranes. This is a basic principle of cellular function, which is reflected in the interactions among ion transport and drug efflux genes that have arisen during cellular...

journal_title：Antimicrobial agents and chemotherapy

authors： Cohen BE

更新日期：2014-01-01 00:00:00

abstract：:The accumulation of quinolones by Escherichia coli JF568, Pseudomonas aeruginosa PAO1, and Staphylococcus aureus ATCC 29213 was measured by a modified fluorometric assay (J. S. Chapman and N. H. Georgopapadakou, Antimicrob. Agents Chemother. 33:27-29, 1989). The quinolones examined were fleroxacin, pefloxacin, norflox...

journal_title：Antimicrobial agents and chemotherapy

authors： McCaffrey C,Bertasso A,Pace J,Georgopapadakou NH

更新日期：1992-08-01 00:00:00

abstract：:Two clinical isolates of extended-spectrum beta-lactamase (ESBL)-producing Klebsiella pneumoniae were noted to be less susceptible than expected to imipenem. Both were missing outer membrane proteins that serve as channels for antibiotic entry. The role of beta-lactamase in resistance was investigated by eliminating t...

journal_title：Antimicrobial agents and chemotherapy

authors： Martínez-Martínez L,Pascual A,Hernández-Allés S,Alvarez-Díaz D,Suárez AI,Tran J,Benedí VJ,Jacoby GA

更新日期：1999-07-01 00:00:00

abstract：:How HIV-1 resistant to small-molecule CCR5 antagonists uses the coreceptor for entry has been studied in a limited number of isolates. We characterized dependence on the N terminus (NT) and the second extracellular loop (ECL2) of CCR5 of three vicriviroc (VCV)-resistant clinical isolates broadly cross-resistant to oth...

journal_title：Antimicrobial agents and chemotherapy

authors： Henrich TJ,Lewine NR,Lee SH,Rao SS,Berro R,Gulick RM,Moore JP,Tsibris AM,Kuritzkes DR

更新日期：2012-04-01 00:00:00

abstract：:This phase 1, open-label, single-dose, parallel-group study evaluated the pharmacokinetics (PK) of isavuconazole after a single oral dose of the prodrug isavuconazonium sulfate in healthy nonelderly (age, 18 to 45 years) and elderly (age, ≥65 years) males and females. Overall, 48 subjects were enrolled in the study (n...

journal_title：Antimicrobial agents and chemotherapy

authors： Desai AV,Han D,Kowalski DL,Lademacher C,Pearlman H,Yamazaki T

更新日期：2019-05-24 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：:Human cytomegalovirus (HCMV) infection does not generally cause problems in the immunocompetent adult but can result in severe clinical disease in the fetus, neonate, and immunocompromised host. Ganciclovir (GCV), the agent currently used to treat most HCMV infections, has resulted in much therapeutic success; however...

journal_title：Antimicrobial agents and chemotherapy

authors： Rybak RJ,Hartline CB,Qiu YL,Zemlicka J,Harden E,Marshall G,Sommadossi JP,Kern ER

更新日期：2000-06-01 00:00:00

abstract：:Moxifloxacin has enhanced potency against Staphylococcus aureus, lower propensity to select for resistant mutants, and higher bactericidal activity against highly resistant strains than ciprofloxacin. Despite similar activity against purified S. aureus topoisomerase IV and DNA gyrase, it selects for topoisomerase IV m...

journal_title：Antimicrobial agents and chemotherapy

authors： Ince D,Zhang X,Hooper DC

更新日期：2003-04-01 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：:Genome studies suggest that DNA gyrase is the sole type II topoisomerase and likely the unique target of quinolones in Mycobacterium tuberculosis. Despite the emerging importance of quinolones in the treatment of mycobacterial disease, the slow growth and high pathogenicity of M. tuberculosis have precluded direct pur...

journal_title：Antimicrobial agents and chemotherapy

authors： Aubry A,Pan XS,Fisher LM,Jarlier V,Cambau E

更新日期：2004-04-01 00:00:00

abstract：:Among 158 Candida glabrata bloodstream isolates collected from numerous centers in China, a resistance to fluconazole was seen in 8.9%. Three isolates (1.9%) were resistant to all echinocandins. Multilocus sequence typing (MLST) revealed that sequence type 7 ([ST7] 65.8%) was the most common type, followed by ST3 (7.6...

journal_title：Antimicrobial agents and chemotherapy

authors： Hou X,Xiao M,Wang H,Yu SY,Zhang G,Zhao Y,Xu YC

更新日期：2018-05-25 00:00:00

abstract：:In this study, two identical copies of a 23S-5S gene cluster, which are separately situated within the Helicobacter pylori UA802 chromosome, were cloned and sequenced. Comparison of the DNA sequence of the H. pylori 23S rRNA gene with known sequences of other bacterial 23S rRNA genes indicated that the H. pylori UA802...

journal_title：Antimicrobial agents and chemotherapy

authors： Taylor DE,Ge Z,Purych D,Lo T,Hiratsuka K

更新日期：1997-12-01 00:00:00

abstract：:The increasing use of azole antifungals for the treatment of mucosal and systemic Candida glabrata infections has resulted in the selection and/or emergence of resistant strains. The main mechanisms of azole resistance include alterations in the C. glabrata ERG11 gene (CgERG11), which encodes the azole target enzyme, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Sanguinetti M,Posteraro B,Fiori B,Ranno S,Torelli R,Fadda G

更新日期：2005-02-01 00:00:00

abstract：:The objectives of this study were to investigate raltegravir transport across several blood-tissue barrier models and the potential interactions with drug efflux transporters. Raltegravir uptake, accumulation, and permeability were evaluated in vitro in (i) P-glycoprotein (P-gp), breast cancer resistance protein (BCRP...

journal_title：Antimicrobial agents and chemotherapy

authors： Hoque MT,Kis O,De Rosa MF,Bendayan R

更新日期：2015-05-01 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：:Increasing mobile colistin resistance, mediated by the mcr gene family, in Enterobacteriaceae has become a global concern. Among the 10 reported mcr genes, mcr-8 was first identified in Klebsiella pneumoniae, which could cause severe infections with high mortality. Information about the prevalence and genetic context ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wu B,Wang Y,Ling Z,Yu Z,Shen Z,Zhang S,Wang X

更新日期：2020-12-16 00:00:00

abstract：:An in vitro tissue culture system consisting of reaggregated embryonic brain cells was used to evaluate the inhibition of herpes simplex type 1 (HSV-1) by several antiviral compounds. The efficacy of acyclovir, vidarabine, bromovinyldeoxyuridine, and 9-(1,3-dihydroxy-2-propoxymethyl) guanine in HSV-1-infected Vero cel...

journal_title：Antimicrobial agents and chemotherapy

authors： Pulliam L,Panitch HS,Baringer JR,Dix RD

更新日期：1986-12-01 00:00:00

abstract：:A series of 3,5-dioxopyrazolidines was identified as novel inhibitors of UDP-N-acetylenolpyruvylglucosamine reductase (MurB). Compounds 1 to 3, which are 1,2-bis(4-chlorophenyl)-3,5-dioxopyrazolidine-4-carboxamides, inhibited Escherichia coli MurB, Staphyloccocus aureus MurB, and E. coli MurA with 50% inhibitory conce...

journal_title：Antimicrobial agents and chemotherapy

authors： Yang Y,Severin A,Chopra R,Krishnamurthy G,Singh G,Hu W,Keeney D,Svenson K,Petersen PJ,Labthavikul P,Shlaes DM,Rasmussen BA,Failli AA,Shumsky JS,Kutterer KM,Gilbert A,Mansour TS

更新日期：2006-02-01 00:00:00

abstract：:The relationship between the structures of quinolones and their anti-Mycobacterium avium activities has been previously derived by using the Multiple Computer-Automated Structure Evaluation program. A number of substructural constraints required to overcome the resistance of most of the strains have been identified. N...

journal_title：Antimicrobial agents and chemotherapy

authors： Klopman G,Li JY,Wang S,Pearson AJ,Chang K,Jacobs MR,Bajaksouzian S,Ellner JJ

更新日期：1994-08-01 00:00:00

abstract：:Vaborbactam (formerly RPX7009) is a member of a new class of β-lactamase inhibitor with pharmacokinetic properties similar to those of many β-lactams, including carbapenems. The pharmacokinetics and safety of vaborbactam were evaluated in 80 healthy adult subjects in a first-in-human randomized, placebo-controlled, do...

journal_title：Antimicrobial agents and chemotherapy

authors： Griffith DC,Loutit JS,Morgan EE,Durso S,Dudley MN

更新日期：2016-09-23 00:00:00

abstract：:Ro 09-0179 (4',5-dihydroxy-3,3',7-trimethoxyflavone), isolated from a Chinese medicinal herb, was found to have potent antiviral activity. It selectively inhibited the replication of human picornaviruses, such as rhinoviruses and coxsackieviruses in tissue culture, but not other DNA and RNA viruses. Ro 09-0298 (4',5-d...

journal_title：Antimicrobial agents and chemotherapy

authors： Ishitsuka H,Ohsawa C,Ohiwa T,Umeda I,Suhara Y

更新日期：1982-10-01 00:00:00

abstract：:The need for daily parenteral administration is an important limitation in the clinical use of pentavalent antimonial drugs against leishmaniasis. In this study, amphiphilic antimony(V) complexes were prepared from alkylmethylglucamides (L8 and L10, with carbon chain lengths of 8 and 10, respectively), and their poten...

journal_title：Antimicrobial agents and chemotherapy

authors： Fernandes FR,Ferreira WA,Campos MA,Ramos GS,Kato KC,Almeida GG,Corrêa JD Junior,Melo MN,Demicheli C,Frézard F

更新日期：2013-09-01 00:00:00

abstract：:Low-level vancomycin-resistant Staphylococcus aureus (vancomycin-intermediate S. aureus [VISA] and heterogenous VISA [hVISA]) is increasingly reported and leads to glycopeptide treatment failure. Various phenotypic features have been reported for these isolates, but the genetic changes leading to hVISA and VISA have y...

journal_title：Antimicrobial agents and chemotherapy

authors： Howden BP,Johnson PD,Ward PB,Stinear TP,Davies JK

更新日期：2006-09-01 00:00:00