Clinical Mutations That Partially Activate the Stringent Response Confer Multidrug Tolerance in Staphylococcus aureus.

abstract：:Cefmenoxime, an investigational semisynthetic cephalosporin, was evaluated in 18 pediatric patients with a variety of infections. There were seven patients with urinary tract infections, two with wound infections, two with osteomyelitis, two with abscess infections, one with cervical adenitis, one with hidradenitis, o...

journal_title：Antimicrobial agents and chemotherapy

authors： Tansino GF,Hammerschlag MR,Congeni BL,Cox PA,Doraiswamy B,duBouchet L

更新日期：1985-10-01 00:00:00

abstract：:We describe a rapid, precise, and simple procedure for the quantitation of azlocillin in serum and in aqueous solutions by high-pressure, reverse-phase liquid chromatography. This method uses a single precipitation step, detection by dual-wavelength monitoring (220 and 254 nm), and quantitation by comparison with an i...

journal_title：Antimicrobial agents and chemotherapy

authors： Weber A,Opheim KE,Wong K,Smith AL

更新日期：1983-11-01 00:00:00

abstract：:There is significant interest in the development of mass spectrometry (MS) methods for antimicrobial resistance protein detection, given the ability of these methods to confirm protein expression. In this work, we studied the performance of a liquid chromatography, tandem MS multiple-reaction monitoring (LC-MS/MS MRM)...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang H,Strich JR,Drake SK,Chen Y,Youn JH,Rosenberg AZ,Gucek M,Dekker JP,Suffredini AF

更新日期：2019-08-23 00:00:00

abstract：:A wide variety of prokaryotic and eukaryotic cells exhibit a multidrug resistance (MDR) phenotype, indicating that resistance to potentially toxic compounds is mediated by their active efflux from the cell. We have sought to determine whether resistance to azoles in some strains of Candida species may be due in part t...

journal_title：Antimicrobial agents and chemotherapy

authors： Clark FS,Parkinson T,Hitchcock CA,Gow NA

更新日期：1996-02-01 00:00:00

abstract：:Seventy-two (54.5%) out of 132 fecal samples from a group of yellow-legged gulls in Barcelona, Spain, were positive for Escherichia coli producing either extended-spectrum β-lactamases (ESBL) (51.5%), carbapenemase (1.5%), or cephamycinase (1.5%). The isolation of two carbapenemase-producing E. coli strains is a matte...

journal_title：Antimicrobial agents and chemotherapy

authors： Vergara A,Pitart C,Montalvo T,Roca I,Sabaté S,Hurtado JC,Planell R,Marco F,Ramírez B,Peracho V,de Simón M,Vila J

更新日期：2017-01-24 00:00:00

abstract：:A new SHV-derived extended-spectrum beta-lactamase (SHV-24) conferring high-level resistance to ceftazidime but not cefotaxime and cefazolin was identified in Japan. This enzyme was encoded by a transferable 150-kb plasmid from an Escherichia coli clinical isolate. The pI and K(m) for CAZ of this enzyme were 7.5 and 3...

journal_title：Antimicrobial agents and chemotherapy

authors： Kurokawa H,Yagi T,Shibata N,Shibayama K,Kamachi K,Arakawa Y

更新日期：2000-06-01 00:00:00

abstract：:Pseudomonas asiatica is a recently proposed species of the genus Pseudomonas This study describes eight isolates of carbapenem-resistant P. asiatica harboring blaNDM-1 and blaVIM-2, genes encoding metallo-β-lactamase (MBL). These isolates were obtained from urine samples of patients hospitalized in Myanmar. These isol...

journal_title：Antimicrobial agents and chemotherapy

authors： Tohya M,Tada T,Watanabe S,Kuwahara-Arai K,Zin KN,Zaw NN,Aung MY,Mya S,Zan KN,Kirikae T,Tin HH

更新日期：2019-07-25 00:00:00

abstract：:The release of inflammatory bacterial products, such as lipopolysaccharide (LPS)/endotoxin, may be increased upon the administration of antibiotics. An improved quantitative understanding of endotoxin release and its relation to antibiotic exposure and bacterial growth/killing may be gained by an integrated analysis o...

journal_title：Antimicrobial agents and chemotherapy

authors： Thorsted A,Tano E,Kaivonen K,Sjölin J,Friberg LE,Nielsen EI

更新日期：2020-03-24 00:00:00

abstract：:Despite the availability of new antifungal compounds, invasive aspergillosis carries high morbidity and mortality in hematopoietic stem cell transplant recipients. In vitro studies and animal models suggest that the adoptive transfer of natural killer (NK) cells might be a promising immunotherapeutic option in this se...

journal_title：Antimicrobial agents and chemotherapy

authors： Schmidt S,Schubert R,Tramsen L,Lehrnbecher T

更新日期：2019-01-29 00:00:00

abstract：:Pseudomonas aeruginosa infections represent a serious threat to worldwide health. Proline-rich antimicrobial peptides (PR-AMPs), a particular group of peptide antibiotics, have demonstrated in vitro activity against P. aeruginosa strains. Here we show that the mammalian PR-AMP Bac7(1-35) is active against some multidr...

journal_title：Antimicrobial agents and chemotherapy

authors： Runti G,Benincasa M,Giuffrida G,Devescovi G,Venturi V,Gennaro R,Scocchi M

更新日期：2017-03-24 00:00:00

abstract：:Heteroresistance refers to the presence, within a large population of antimicrobial-susceptible microorganisms, of subpopulations with lesser susceptibilities. Ceftaroline is a novel cephalosporin with activity against methicillin-resistant Staphylococcus aureus (MRSA). The aim of this study was to detect the prevalen...

journal_title：Antimicrobial agents and chemotherapy

authors： Saravolatz SN,Martin H,Pawlak J,Johnson LB,Saravolatz LD

更新日期：2014-06-01 00:00:00

abstract：:Horizontal transfer of plasmids encoding antimicrobial resistance and virulence determinants has been instrumental in Staphylococcus aureus evolution, including the emergence of community-associated methicillin-resistant S. aureus (CA-MRSA). In the early 1990s, the first CA-MRSA strain isolated in Western Australia (W...

journal_title：Antimicrobial agents and chemotherapy

authors： Yui Eto K,Firth N,Davis AM,Kwong SM,Krysiak M,Lee YT,O'Brien FG,Grubb WB,Coombs GW,Bond CS,Ramsay JP

更新日期：2019-10-22 00:00:00

abstract：:In both primary rabbit kidney cells and human skin fibroblasts, 5-propyl-2'-deoxyuridine proved inhibitory to herpes simplex virus at a concentration as low as 1 micrograms/ml, whereas concentrations higher than 200 micrograms/ml were required to inhibit vaccinia virus replication or normal cell metabolism. ...

journal_title：Antimicrobial agents and chemotherapy

authors： De Clercq E,Descamps J,Shugar D

更新日期：1978-03-01 00:00:00

abstract：:The genetic basis for fluoroquinolone resistance was examined in 30 high-level fluoroquinolone-resistant Escherichia coli clinical isolates from Beijing, China. Each strain also demonstrated resistance to a variety of other antibiotics. PCR sequence analysis of the quinolone resistance-determining region of the topois...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang H,Dzink-Fox JL,Chen M,Levy SB

更新日期：2001-05-01 00:00:00

abstract：:The ampD gene product regulates the expression of AmpC beta-lactamase in gram-negative bacteria and is proposed to be involved in peptidoglycan metabolism. In this study, we sequenced the ampD wild type and three mutant genes of Enterobacter cloacae and Citrobacter freundii. They exhibited a high degree of homology wi...

journal_title：Antimicrobial agents and chemotherapy

authors： Kopp U,Wiedemann B,Lindquist S,Normark S

更新日期：1993-02-01 00:00:00

abstract：:Penetration of fluconazole into female genital tissues was examined. Fluconazole was administered orally at a dose of 150 mg to patients undergoing total abdominal hysterectomy 1 to 151 h prior to surgery. During surgery, blood, uterus, ovary, and oviduct were sampled. Fluconazole concentrations in each tissue were de...

journal_title：Antimicrobial agents and chemotherapy

authors： Mikamo H,Kawazoe K,Sato Y,Izumi K,Ito T,Ito K,Tamaya T

更新日期：1999-01-01 00:00:00

abstract：:The post-β-lactamase-inhibitor effect (PBLIE) of tazobactam combined with ceftolozane was evaluated by time-kill assays on two clinical Escherichia coli strains producing CTX-M-15 with or without TEM-1. The organisms were exposed (2 h) to 4 μg/ml/4 μg/ml of ceftolozane-tazobactam (4× MIC), 4 μg/ml of ceftolozane, and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Sader HS,Rhomberg PR,Jones RN

更新日期：2014-01-01 00:00:00

abstract：:An experimental local infection system has been developed in which exudates are induced with croton oil in granuloma pouches of rats. This system provided a suitable model for the evaluation of the therapeutic effect of two antibiotics, cefazolin and cephalothin. Exudate levels of cefazolin were found to be higher tha...

journal_title：Antimicrobial agents and chemotherapy

authors： Nishida M,Murakawa T

更新日期：1977-06-01 00:00:00

abstract：:The three direct-acting antiviral agent (3D) regimen is a novel combination of direct-acting antiviral agents (DAAs) that has proven effective for the treatment of hepatitis C virus (HCV) infection. Given the potential for coadministration in patients with human immunodeficiency virus infection, possible drug interact...

journal_title：Antimicrobial agents and chemotherapy

authors： Khatri A,Dutta S,Dunbar M,Podsadecki T,Trinh R,Awni W,Menon R

更新日期：2016-04-22 00:00:00

abstract：:Methionine gamma-lyase, the enzyme which catalyzes the single-step conversion of methionine to alpha-ketobutyrate, ammonia, and methanethiol, is highly active in many anaerobic pathogenic microorganisms but has no counterpart in mammals. This study tested the hypothesis that this pathogen-specific enzyme can be exploi...

journal_title：Antimicrobial agents and chemotherapy

authors： Coombs GH,Mottram JC

更新日期：2001-06-01 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：:In the sequence upstream from qnrB (but not qnrA or qnrS) is a LexA binding site. qnrB was shown to be under SOS control by demonstrating that quinolone susceptibility decreased with increasing temperature in a strain with a recA441(Ts) allele, whereas qnrB expression increased in response to ciprofloxacin or mitomyci...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang M,Jacoby GA,Mills DM,Hooper DC

更新日期：2009-02-01 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：:Staphylococcus aureus is a bacterial pathogen responsible for the majority of skin and soft tissue infections. Antibiotics are losing their efficacy as treatment for skin and soft tissue infections as a result of increased resistance in a variety of pathogens, including S. aureus It is thus imperative to explore alter...

journal_title：Antimicrobial agents and chemotherapy

authors： van Staden Adu P,Heunis T,Smith C,Deane S,Dicks LM

更新日期：2016-06-20 00:00:00

abstract：:The diversity of tet(S) genetic contexts of 13 enterococci from human, animal, and environmental samples from different geographical areas is reported. The tet(S) gene was linked to either CTn6000 variants of chromosomal location or composite platforms flanked by IS1216 located on plasmids (∼40 to 115 kb). The compara...

journal_title：Antimicrobial agents and chemotherapy

authors： Novais C,Freitas AR,Silveira E,Baquero F,Peixe L,Roberts AP,Coque TM

更新日期：2012-11-01 00:00:00

abstract：:The serum pharmacokinetic profile of intravenous (i.v.) tobramycin administration was characterized for a sample of nine adult patients with cystic fibrosis (CF) who were hospitalized for an acute pulmonary exacerbation. Current recommended i.v. tobramycin dosing protocols are predicted through modeling and simulation...

journal_title：Antimicrobial agents and chemotherapy

authors： Butterfield JM,Lodise TP,Beegle S,Rosen J,Farkas J,Pai MP

更新日期：2013-10-01 00:00:00

abstract：:The dependence of microbial killing on chloride ions present in solutions undergoing iontophoresis is addressed. A 400-microA current was applied to vials containing synthetic urine or saline, and the production of chlorine-based substances (CBSs) was detected by the N,N-diethyl-p-phenylene diamine colorimetric method...

journal_title：Antimicrobial agents and chemotherapy

authors： Davis CP,Shirtliff ME,Trieff NM,Hoskins SL,Warren MM

更新日期：1994-12-01 00:00:00

abstract：:A woman in her late 60s with disseminated histoplasmosis was treated with posaconazole because first-line therapies were not tolerated. She subsequently presented with decompensated heart failure, hypertension, and hypokalemia. Laboratory tests revealed low renin and aldosterone levels. A potential mechanism is inhibi...

journal_title：Antimicrobial agents and chemotherapy

authors： Kuriakose K,Nesbitt WJ,Greene M,Harris B

更新日期：2018-04-26 00:00:00

abstract：:β-Lactam resistance levels vary among methicillin-resistant Staphylococcus aureus (MRSA) clinical isolates, mediated by chromosomal mutations and exogenous resistance gene mecA However, MRSA resistance mechanisms are incompletely understood. A P440L mutation in the RNA polymerase β' subunit (RpoC) in slow-vancomycin-i...

journal_title：Antimicrobial agents and chemotherapy

authors： Matsuo M,Yamamoto N,Hishinuma T,Hiramatsu K

更新日期：2019-01-29 00:00:00

abstract：:Morganocin 174-induced lethality was characterized by one-hit kinetics. Although it induced simultaneous inhibition of deoxyribonucleic acid, ribonucleic acid, and protein syntheses, the most striking effect of morganocin was a rapid reduction of intracellular adenosine 5'-triphosphate to less than 10% of the initial ...

journal_title：Antimicrobial agents and chemotherapy

authors： Williams JA,Krizsanovich-Williams K

更新日期：1977-09-01 00:00:00