Extended-spectrum properties of CMY-30, a Val211Gly mutant of CMY-2 cephalosporinase.

abstract：:Isoniazid (INH) remains the most safe and cost-effective drug for the treatment and prophylaxis of tuberculosis. The use of INH has increased over the past years, largely as a result of the coepidemic of human immunodeficiency virus infection. It is frequently given chronically to critically ill patients who are copre...

journal_title：Antimicrobial agents and chemotherapy

authors： Desta Z,Soukhova NV,Flockhart DA

更新日期：2001-02-01 00:00:00

abstract：:We investigated the impact of low-level resistance to fluoroquinolones on the bactericidal activity of ciprofloxacin in a murine model of urinary tract infection. The susceptible Escherichia coli strain CFT073 (ciprofloxacin MIC [CIP MIC] of 0.008 microg/ml) was compared to its transconjugants harboring qnrA1 or qnrS1...

journal_title：Antimicrobial agents and chemotherapy

authors： Allou N,Cambau E,Massias L,Chau F,Fantin B

更新日期：2009-10-01 00:00:00

abstract：:Of 3,004 gram-negative bacilli collected from intra-abdominal infections in the Asia-Pacific region during 2007, 42.2% and 35.8% of Escherichia coli and Klebsiella spp., respectively, were extended-spectrum beta-lactamase (ESBL) positive. Moreover ESBL rates in India for E. coli, Klebsiella pneumoniae, and Klebsiella ...

journal_title：Antimicrobial agents and chemotherapy

authors： Hawser SP,Bouchillon SK,Hoban DJ,Badal RE,Hsueh PR,Paterson DL

更新日期：2009-08-01 00:00:00

abstract：:2'-Deoxy-2'-fluorocytidine (FdC) is a potent inhibitor of the hepatitis C virus RNA replicon in culture, and FdC-5'-triphosphate is an effective inhibitor of the NS5B polymerase. Dynamic profiling of cell growth in an antiviral assay showed that FdC caused cytostasis due to an S-phase arrest. These observations demons...

journal_title：Antimicrobial agents and chemotherapy

authors： Stuyver LJ,McBrayer TR,Whitaker T,Tharnish PM,Ramesh M,Lostia S,Cartee L,Shi J,Hobbs A,Schinazi RF,Watanabe KA,Otto MJ

更新日期：2004-02-01 00:00:00

abstract：:The pathogenic yeast Candida albicans can exist in multiple morphological states, including budded, pseudohyphal, and true hyphal forms. The ability to convert between the budded and hyphal forms, termed the budded-to-hyphal-form transition, is important for virulence and is regulated by multiple environmental and cel...

journal_title：Antimicrobial agents and chemotherapy

authors： Toenjes KA,Munsee SM,Ibrahim AS,Jeffrey R,Edwards JE Jr,Johnson DI

更新日期：2005-03-01 00:00:00

abstract：:Malaria and trypanosomiasis are diseases which afflict millions and for which novel therapies are urgently required. We have tested two well-characterized cell-penetrating peptides (CPPs) for antiparasitic activity. One CPP, designated TP10, has broad-spectrum antiparasitic activity against Plasmodium falciparum, both...

journal_title：Antimicrobial agents and chemotherapy

authors： Arrighi RB,Ebikeme C,Jiang Y,Ranford-Cartwright L,Barrett MP,Langel U,Faye I

更新日期：2008-09-01 00:00:00

abstract：:Enfuvirtide is the first fusion and entry inhibitor approved for use for the treatment of human immunodeficiency virus (HIV) type 1 infection and as such represents a novel class of agents. For the population of patients experienced with three antiretroviral classes, enfuvirtide provides an additional option for treat...

journal_title：Antimicrobial agents and chemotherapy

authors： DeJesus E,Gottlieb MS,Gathe JC Jr,Greenberg ML,Guittari CJ,Zolopa AR

更新日期：2008-12-01 00:00:00

abstract：:Ketoconazole, an oral antimycotic imidazole drug, blocked the transport of electrons in the respiratory chain of Candida albicans under aerobic conditions with different substrates, such as NADH and succinate. This effect was a nonspecific inhibition of NADH oxidases and succinate oxidases. The addition of ketoconazol...

journal_title：Antimicrobial agents and chemotherapy

authors： Shigematsu ML,Uno J,Arai T

更新日期：1982-06-01 00:00:00

abstract：:Chromosomally mediated penicillin resistance in Neisseria gonorrhoeae occurs in part through alterations in penicillin-binding proteins (PBPs) and a decrease in outer membrane permeability. However, the genetic and molecular mechanisms of transformation of a penicillin-susceptible strain of N. gonorrhoeae to high-leve...

journal_title：Antimicrobial agents and chemotherapy

authors： Ropp PA,Hu M,Olesky M,Nicholas RA

更新日期：2002-03-01 00:00:00

abstract：:Grazoprevir (GZR) plus elbasvir is an approved treatment for chronic infection with hepatitis C virus (HCV) genotype 1 or 4. HCV infection complications include liver cirrhosis, end-stage liver disease, and hepatocellular carcinoma. The objective of this study was to evaluate the pharmacokinetics and safety of multipl...

journal_title：Antimicrobial agents and chemotherapy

authors： Caro L,Wenning L,Guo Z,Fraser IP,Fandozzi C,Talaty J,Panebianco D,Ho M,Uemura N,Reitmann C,Angus P,Gane E,Marbury T,Smith WB,Iwamoto M,Butterton JR,Yeh WW

更新日期：2017-11-22 00:00:00

abstract：:Among 730 Escherichia coli, 438 Klebsiella pneumoniae, and 141 Proteus mirabilis isolates obtained between September 2000 and September 2001 in seven hospitals in Ho Chi Minh City, Vietnam, 26.6% were resistant to ceftazidime, 30% were resistant to cefotaxime, 31.5% were resistant to ceftriaxone, 15.9% were resistant ...

journal_title：Antimicrobial agents and chemotherapy

authors： Cao V,Lambert T,Nhu DQ,Loan HK,Hoang NK,Arlet G,Courvalin P

更新日期：2002-12-01 00:00:00

abstract：:The antimicrobial activities of amphotericin B, itraconazole, and miconazole against 101 filamentous fungi from patients with cystic fibrosis were tested by a reproducible microdilution method. Itraconazole was very active against Aspergillus species and Scedosporium species (MIC at which 90% of the isolates were inhi...

journal_title：Antimicrobial agents and chemotherapy

authors： Hennequin C,Benailly N,Silly C,Sorin M,Scheinmann P,Lenoir G,Gaillard JL,Berche P

更新日期：1997-09-01 00:00:00

abstract：:A beta-lactam-sensitive strain (C152) of Shigella dysenteriae showed two major outer membrane proteins (OMPs) with M(r)s of 43,000 and 38,000, while the clinical isolate M2 lacked the 43,000-Mr OMP, which acted as a channel for beta-lactam antibiotics. Permeability of beta-lactams across the outer membrane (OM) of M2 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kar AK,Ghosh AS,Chauhan K,Ahamed J,Basu J,Chakrabarti P,Kundu M

更新日期：1997-10-01 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：:The activity of the pradimicin derivative BMS 181184 was evaluated in a model of invasive pulmonary aspergillosis in persistently neutropenic rabbits and compared with that of amphotericin B deoxycholate. BMS 181184 at total daily doses of 50 and 150 mg/kg of body weight was at least as effective as amphotericin B at ...

journal_title：Antimicrobial agents and chemotherapy

authors： Gonzalez CE,Groll AH,Giri N,Shetty D,Al-Mohsen I,Sein T,Feuerstein E,Bacher J,Piscitelli S,Walsh TJ

更新日期：1998-09-01 00:00:00

abstract：:Dihydroorotate dehydrogenase (DHOD) is a pyrimidine biosynthetic enzyme which is usually directly linked to the mitochondrial respiratory chain. Antimalarial naphthoquinones such as atovaquone (566c80) inhibit malarial DHOD by inhibiting electron transport. Since atovaquone also has therapeutic activity against Pneumo...

journal_title：Antimicrobial agents and chemotherapy

authors： Ittarat I,Asawamahasakda W,Bartlett MS,Smith JW,Meshnick SR

更新日期：1995-02-01 00:00:00

abstract：:Amphotericin B (AMB) has been a mainstay therapy for fungal infections of the central nervous system, but its use has been limited by its poor penetration into the brain, the mechanism of which remains unclear. In this study, we aimed to investigate the role of P-glycoprotein (P-gp) in AMB crossing the blood-brain bar...

journal_title：Antimicrobial agents and chemotherapy

authors： Wu JQ,Shao K,Wang X,Wang RY,Cao YH,Yu YQ,Lou JN,Chen YQ,Zhao HZ,Zhang QQ,Weng XH,Jiang C,Zhu LP

更新日期：2014-08-01 00:00:00

abstract：:The aim of the study was to identify the plasmid-encoded factors contributing to the emergence and spread of epidemic IncI1-Iγ plasmids obtained from Escherichia coli and Salmonella enterica isolates from animal and human reservoirs. For this, 251 IncI1-Iγ plasmids carrying various extended-spectrum β-lactamase (ESBL)...

journal_title：Antimicrobial agents and chemotherapy

authors： Smith H,Bossers A,Harders F,Wu G,Woodford N,Schwarz S,Guerra B,Rodríguez I,van Essen-Zandbergen A,Brouwer M,Mevius D

更新日期：2015-09-01 00:00:00

abstract：:In this study, a chromosomally encoded putative drug efflux pump of the SMR family, named AbeS, from a multidrug-resistant strain of Acinetobacter baumannii was characterized to elucidate its role in antimicrobial resistance. Expression of the cloned abeS gene in hypersensitive Escherichia coli host KAM32 resulted in ...

journal_title：Antimicrobial agents and chemotherapy

authors： Srinivasan VB,Rajamohan G,Gebreyes WA

更新日期：2009-12-01 00:00:00

abstract：:A rapid, sensitive, and specific method of analysis for mezlocillin in serum and urine by high-pressure liquid chromatography is described. A solid-phase extraction column was used to remove interfering substances from samples before chromatography. Quantitation included the use of an internal standard, nafcillin. Mez...

journal_title：Antimicrobial agents and chemotherapy

authors： Fiore D,Auger FA,Drusano GL,Dandu VR,Lesko LJ

更新日期：1984-11-01 00:00:00

abstract：:We studied the incidence and type of side effects of minocycline in a double-blind study. A total of 45 volunteers (18 men and 27 women) were given minocycline, and 44 volunteers (23 men and 21 women) were given placebo. The men in both the minocycline and placebo groups were significantly (P < 0.0001) larger than the...

journal_title：Antimicrobial agents and chemotherapy

authors： Fanning WL,Gump DW,Sofferman RA

更新日期：1977-04-01 00:00:00

abstract：:Initial studies indicate that rifampin may be useful for the treatment of Staphylococcus aureus infections. Because bacterial resistance to rifampin may develop rapidly, its widespread use could result in the emergence of a resistant flora. This study evaluates the effectiveness of rifampin in reducing the nasal carri...

journal_title：Antimicrobial agents and chemotherapy

authors： Sande MA,Mandell GL

更新日期：1975-03-01 00:00:00

abstract：:Vibrio cholerae strains of serogroups O1 and O139, the causative agents of the diarrheal illness cholera, express a single polar flagellum powered by sodium motive force and require motility to colonize and spread along the small intestine. In a previous study, we described a high-throughput assay for screening for sm...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang H,Zhang L,Silva AJ,Benitez JA

更新日期：2013-08-01 00:00:00

abstract：:We describe outcomes of patients with infections with carbapenem-resistant Klebsiella pneumoniae (CRKP) who received ertapenem-containing double-carbapenem therapy (ECDCT). Clinical success was observed in 7/18 (39%) patients overall: bloodstream infections, 3/7 (43%); pneumonia, 1/5 (20%); intraabdominal infections, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Cprek JB,Gallagher JC

更新日期：2015-11-09 00:00:00

abstract：:In this study, our objective was to determine whether a synergistic antimicrobial combination in vitro would be beneficial in the downregulation of pneumococcal virulence genes and whether the associated inflammation of the lung tissue induced by multidrug-resistant Streptococcus pneumoniae infection in vivo needs to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Majhi A,Adhikary R,Bhattacharyya A,Mahanti S,Bishayi B

更新日期：2014-09-01 00:00:00

abstract：:The small-colony-variant (SCV) phenotype of Staphylococcus aureus has been associated with difficult-to-treat infections, reduced antimicrobial susceptibility, and intracellular persistence. This study represents a detailed intra- and extracellular investigation of a clinical wild-type (WT) S. aureus strain and its co...

journal_title：Antimicrobial agents and chemotherapy

authors： Sandberg A,Lemaire S,Van Bambeke F,Tulkens PM,Hughes D,von Eiff C,Frimodt-Møller N

更新日期：2011-04-01 00:00:00

abstract：:Four pre-exposure prophylaxis (PrEP) users with gastro-intestinal disorders (sleeve gastrectomy, terminal ileitis, celiac disease or chronic diarrhea) and receiving oral tenofovir disoproxil fumarate/emtricitabine (TDF/FTC) were included. Despite a self-reported high adherence, trough plasma tenofovir concentrations (...

journal_title：Antimicrobial agents and chemotherapy

authors： Calcagno A,Dal Conte I,Cattaneo D,Testi R,Mistrangelo M,Gervasoni C,de Nicolò A,Bonora S,D'Avolio A,Di Perri G

更新日期：2020-10-26 00:00:00

abstract：:R plasmids from chloramphenicol-resistant salmonella from Ontario are shown to belong to the H(2) incompatibility subgroup and to mediate a broad-spectrum, phage inhibition function. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Taylor DE,Grant RB

更新日期：1976-10-01 00:00:00

abstract：:The anilinouracils (AUs) such as 6-(3-ethyl-4-methylanilino)uracil (EMAU) are a novel class of gram-positive, selective, bactericidal antibacterials which inhibit pol IIIC, the gram-positive-specific replicative DNA polymerase. We have linked various fluoroquinolones (FQs) to the N-3 position of EMAU to generate a var...

journal_title：Antimicrobial agents and chemotherapy

authors： Butler MM,Lamarr WA,Foster KA,Barnes MH,Skow DJ,Lyden PT,Kustigian LM,Zhi C,Brown NC,Wright GE,Bowlin TL

更新日期：2007-01-01 00:00:00

abstract：:In view of increasing health threats from multiresistant pathogens, antimicrobial peptides (AMPs) and, specifically, proline-rich AMPs (PrAMPs) have been investigated in animal models. PrAMPs enter bacteria via the ABC transporter SbmA and inhibit intracellular targets. We used phage transduction (Tn10 insertion) to s...

journal_title：Antimicrobial agents and chemotherapy

authors： Krizsan A,Knappe D,Hoffmann R

更新日期：2015-10-01 00:00:00