Cefiderocol Resistance in Acinetobacter baumannii: Roles of β-Lactamases, Siderophore Receptors, and Penicillin Binding Protein 3.

abstract：:The anti-pseudomonas activities of azlocillin and mezlocillin were compared with that of ticarcillin. We measured the minimal inhibitory and minimal bactericidal concentrations of the three drugs against 20 different strains of Pseudomonas aeruginosa and found significantly lower values for azlocillin than for the oth...

journal_title：Antimicrobial agents and chemotherapy

authors： Coppens L,Klastersky J

更新日期：1979-03-01 00:00:00

abstract：:A patient with AIDS and chronic diarrhea caused by Enterocytozoon bieneusi was successfully treated with nitazoxanide, producing a complete clinical and parasitological response, while off of antiviral therapy. This suggests that nitazoxanide may be effective in treating microsporidiosis caused by E. bieneusi, a disea...

journal_title：Antimicrobial agents and chemotherapy

authors： Bicart-Sée A,Massip P,Linas MD,Datry A

更新日期：2000-01-01 00:00:00

abstract：:A survey carried out in 2005 among members of a healthy population of children living in Bolivia and Peru revealed that fecal carriage of Escherichia coli strains resistant to expanded-spectrum cephalosporins was remarkably increased compared to that observed in the same settings in 2002 (1.7% in 2005 versus 0.1% in 2...

journal_title：Antimicrobial agents and chemotherapy

authors： Pallecchi L,Bartoloni A,Fiorelli C,Mantella A,Di Maggio T,Gamboa H,Gotuzzo E,Kronvall G,Paradisi F,Rossolini GM

更新日期：2007-08-01 00:00:00

abstract：:The cell wall composition and autolytic properties of passage-selected glycopeptide-intermediate Staphylococcus aureus (GISA) isolates and their parent strains were studied in order to investigate the mechanism of decreased vancomycin susceptibility. GISA had relatively modest changes in peptidoglycan composition invo...

journal_title：Antimicrobial agents and chemotherapy

authors： Koehl JL,Muthaiyan A,Jayaswal RK,Ehlert K,Labischinski H,Wilkinson BJ

更新日期：2004-10-01 00:00:00

abstract：:The antileishmanial efficacies of four proprietary amphotericin B (AmB) formulations (Fungizone, AmBisome, Abelcet, and Amphocil) and an experimental nonionic surfactant vesicle (NIV) formulation were compared in a murine model of acute visceral leishmaniasis. By a multiple-dosing regimen, groups of Leishmania donovan...

journal_title：Antimicrobial agents and chemotherapy

authors： Mullen AB,Carter KC,Baillie AJ

更新日期：1997-10-01 00:00:00

abstract：:We have evaluated the influence of age on the intracortical accumulation kinetics of gentamicin in conscious male rats by using a short-term infusion model. Animals were infused with gentamicin over a 6-h period and achieved individual steady-state levels in serum ranging from 0.5 to 12 micrograms/ml. Young rats were ...

journal_title：Antimicrobial agents and chemotherapy

authors： Beauchamp D,Gourde P,Bergeron MG

更新日期：1989-11-01 00:00:00

abstract：:The residual antibiotic concentration of vancomycin (2 mg/ml)- or ceftazidime (2 mg/ml)-heparin solutions instilled in ports in pediatric hematology-oncology patients 1 to 34 days earlier was measured. Antibiotic concentrations of > or = 100 microg of either antibiotic per ml persisted for at least 21 days. For treatm...

journal_title：Antimicrobial agents and chemotherapy

authors： Haimi-Cohen Y,Husain N,Meenan J,Karayalcin G,Lehrer M,Rubin LG

更新日期：2001-05-01 00:00:00

abstract：:Kill-kinetic methods were used to provide data on the bactericidal activity of subinhibitory (0.5x MIC), inhibitory (1x MIC), and suprainhibitory (4x MIC) concentrations of LY146032 against methicillin-susceptible and -resistant Staphylococcus aureus and Staphylococcus epidermidis. These bactericidal activities were c...

journal_title：Antimicrobial agents and chemotherapy

authors： Stratton CW,Liu C,Weeks LS

更新日期：1987-08-01 00:00:00

abstract：:We asked whether beta-lactamase inhibitors (BLIs) increased the activity of daptomycin (DAP) against methicillin-resistant Staphylococcus aureus (MRSA), the peptide antibiotic colistin (COL) against the emerging Gram-negative nosocomial pathogen Acinetobacter baumannii, and the human host defense peptide cathelicidin ...

journal_title：Antimicrobial agents and chemotherapy

authors： Sakoulas G,Rose W,Berti A,Olson J,Munguia J,Nonejuie P,Sakoulas E,Rybak MJ,Pogliano J,Nizet V

更新日期：2017-01-24 00:00:00

abstract：:A number of compounds, as exemplified by verapamil and desipramine, have been shown to enhance the susceptibility of resistant malaria parasites to chloroquine. The mechanism by which these agents reverse resistance is still controversial but is though to involve alterations in drug transport causing an increase in st...

journal_title：Antimicrobial agents and chemotherapy

authors： Ndifor AM,Howells RE,Bray PG,Ngu JL,Ward SA

更新日期：1993-06-01 00:00:00

abstract：:Among 477 patients with susceptible Enterobacter spp., 49 subsequently harbored third-generation cephalosporin-resistant Enterobacter spp. Broad-spectrum cephalosporins were independent risk factors for resistance (relative risk [OR] = 2.3, P = 0.01); quinolone therapy was protective (OR = 0.4, P = 0.03). There were t...

journal_title：Antimicrobial agents and chemotherapy

authors： Kaye KS,Cosgrove S,Harris A,Eliopoulos GM,Carmeli Y

更新日期：2001-09-01 00:00:00

abstract：:The anti-hepatitis C virus nucleotide prodrug GS-6620 employs a double-prodrug approach, with l-alanine-isopropyl ester and phenol moieties attached to the 5'-phosphate that release the nucleoside monophosphate in hepatocytes and a 3'-isobutyryl ester added to improve permeability and oral bioavailability. Consistent ...

journal_title：Antimicrobial agents and chemotherapy

authors： Murakami E,Wang T,Babusis D,Lepist EI,Sauer D,Park Y,Vela JE,Shih R,Birkus G,Stefanidis D,Kim CU,Cho A,Ray AS

更新日期：2014-01-01 00:00:00

abstract：:The influence of hypoxia on the in vitro activities of amphotericin B, azoles, and echinocandins against Aspergillus spp. was evaluated by comparing MICs, minimal fungicidal concentrations (MFCs), and epidemiological cutoffs (ECOFFs). Changes of MIC distributions due to hypoxia largely depend on the method, the specie...

journal_title：Antimicrobial agents and chemotherapy

authors： Binder U,Maurer E,Lackner M,Lass-Flörl C

更新日期：2015-03-01 00:00:00

abstract：:The pharmacokinetics of two prodrugs of zidovudine (AZT), 1,4-dihydro-1-methyl-3-[(pyridylcarbonyl)oxy] ester and isoleucinyl ester (DPAZT and IAZT, respectively), were investigated in a rabbit model to determine their potential utility as drugs against human immunodeficiency virus. Drugs were administered by intraven...

journal_title：Antimicrobial agents and chemotherapy

authors： Lupia RH,Ferencz N,Lertora JJ,Aggarwal SK,George WJ,Agrawal KC

更新日期：1993-04-01 00:00:00

abstract：:We evaluated the combination of posaconazole with amphotericin B in vitro and in a murine model of systemic infections caused by Sporothrix brasiliensis and Sporothrix schenckii sensu stricto. In vitro data demonstrated a synergistic effect, and although posaconazole alone was effective against sporotrichosis, efficac...

journal_title：Antimicrobial agents and chemotherapy

authors： Mario DN,Guarro J,Santurio JM,Alves SH,Capilla J

更新日期：2015-08-01 00:00:00

abstract：:We have developed a simple PCR-based high-resolution melt curve analysis for identification of the quinolone resistance gene aac(6')-Ib-cr through regions encompassing the two defining single nucleotide mutations. Dissociation curves showed 100% concordance with DNA sequencing, including the identification of a strain...

journal_title：Antimicrobial agents and chemotherapy

authors： Hidalgo-Grass C,Strahilevitz J

更新日期：2010-08-01 00:00:00

abstract：:Cystathionine gamma-lyase (EC 4.4.1.1) was purified from Streptomyces cattleya, an actinomycete which produces the unusual beta-lactam antibiotic thienamycin. The enzyme displays broad substrate specificity and is similar to gamma-lyases purified from other microorganisms. That the gamma-lyase functions in vivo to pro...

journal_title：Antimicrobial agents and chemotherapy

authors： Williamson JM,Meyer R,Inamine E

更新日期：1985-10-01 00:00:00

abstract：:Antimicrobial lock solutions are important for prevention of microbial colonization and infection of long-term central venous catheters. We investigated the efficacy and safety of a novel antibiotic-free lock solution formed from gas plasma-activated disinfectant (PAD). Using a luminal biofilm model, viable cells of m...

journal_title：Antimicrobial agents and chemotherapy

authors： Bhatt S,Mehta P,Chen C,Daines DA,Mermel LA,Chen HL,Kong MG

更新日期：2018-07-27 00:00:00

abstract：:Acute kidney injury (AKI) occurs in a substantial proportion of critically ill patients receiving intravenous colistin. In the pharmacokinetic/toxicodynamic analysis reported here, the relationship of the occurrence of AKI to exposure to colistin and a number of potential patient factors was explored in 153 critically...

journal_title：Antimicrobial agents and chemotherapy

authors： Forrest A,Garonzik SM,Thamlikitkul V,Giamarellos-Bourboulis EJ,Paterson DL,Li J,Silveira FP,Nation RL

更新日期：2017-10-24 00:00:00

abstract：:(S)-9-(3-Hydroxy-2-phosphonylmethoxypropyl)adenine [(S)-HPMPA], (S)-9-(3-hydroxy-2-phosphonylmethoxypropyl)-2,6-diaminopurine [(S)-HPMPDAP], cyclic (S)-HPMPA [(S)-cHPMPA], 9-(2-phosphonylmethoxyethoxyethyl)-2,6-diaminopurine (PMEDAP), and (S)-1-(3-hydroxy-2-phosphonylmethoxypropyl)cytosine [(S)-HPMPC] were examined fo...

journal_title：Antimicrobial agents and chemotherapy

authors： Lin JC,De Clercq E,Pagano JS

更新日期：1991-11-01 00:00:00

abstract：:An association exists between respiratory viruses and bacterial infections. Prevention or treatment of the preceding viral infection is a logical goal for reducing this important cause of morbidity and mortality. The ability of the novel, selective parainfluenza virus hemagglutinin-neuraminidase inhibitor BCX 2798 to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Alymova IV,Portner A,Takimoto T,Boyd KL,Babu YS,McCullers JA

更新日期：2005-01-01 00:00:00

abstract：:Plasmid-mediated mechanisms, comprising TEM hyperproduction, TEM derivative production, and OXA production, lead to amoxicillin-clavulanic acid resistance in enterobacteria. The ability of the single-strand conformation polymorphism (SSCP)-PCR method to differentiate the genes encoding inhibitor-resistant beta-lactama...

journal_title：Antimicrobial agents and chemotherapy

authors： Speldooren V,Heym B,Labia R,Nicolas-Chanoine MH

更新日期：1998-04-01 00:00:00

abstract：:Colistin is used to treat infections caused by multidrug-resistant gram-negative bacteria (MDR-GNB). It is administered intravenously in the form of colistin methanesulfonate (CMS), which is hydrolyzed in vivo to the active drug. However, pharmacokinetic data are limited. The aim of the present study was to characteri...

journal_title：Antimicrobial agents and chemotherapy

authors： Plachouras D,Karvanen M,Friberg LE,Papadomichelakis E,Antoniadou A,Tsangaris I,Karaiskos I,Poulakou G,Kontopidou F,Armaganidis A,Cars O,Giamarellou H

更新日期：2009-08-01 00:00:00

abstract：:Bay 12-8039, a new 8-methoxy quinolone, was compared with other agents for activity against clinically relevant anaerobes. Bay 12-8039 inhibited 91 and 96% of the 410 test isolates at 2 and 4 micrograms/ml, respectively. Bay 12-8039 had activity comparable to that metronidazole and overall was at least 16-fold more ac...

journal_title：Antimicrobial agents and chemotherapy

authors： Aldridge KE,Ashcraft DS

更新日期：1997-03-01 00:00:00

abstract：:Conjugative transfer of R plasmids R64 and R64drd-11 has been compared in vitro and in vivo without selective pressure by antibiotics in a simplified experimental system; the ecosystem was the bowel of germfree chickens, with the host bacteria almost isogenic, and the plasmids differing only in their conjugative trans...

journal_title：Antimicrobial agents and chemotherapy

authors： Sansonetti P,Lafont JP,Jaffé-Brachet A,Guillot JF,Chaslus-Dancla E

更新日期：1980-03-01 00:00:00

abstract：:The efficacy of a new liposomal formulation of amphotericin B was compared to that of amphotericin B deoxycholate (Fungizone) in a murine model of visceral leishmaniasis induced by Leishmania infantum. Median effective doses (ED50) were determined with two different strains: strain 1 was obtained from an untreated pat...

journal_title：Antimicrobial agents and chemotherapy

authors： Paul M,Durand R,Fessi H,Rivollet D,Houin R,Astier A,Deniau M

更新日期：1997-08-01 00:00:00

abstract：:Recent years have seen the rapid advancement of new therapeutic agents against hepatitis C virus (HCV) in response to the need for treatment that is unmet by interferon (IFN)-based therapies. Most antiviral drugs discovered to date are small molecules that modulate viral enzyme activities. In the search for highly sel...

journal_title：Antimicrobial agents and chemotherapy

authors： Cheng Y,Tsou LK,Cai J,Aya T,Dutschman GE,Gullen EA,Grill SP,Chen AP,Lindenbach BD,Hamilton AD,Cheng YC

更新日期：2010-01-01 00:00:00

abstract：:High-level azole resistance in the Darlington strain of Candida albicans was investigated by gene replacement in C. albicans and expression in Saccharomyces cerevisiae. We sequenced the ERG11 gene, which encodes the sterol C(14)alpha-demethylase, from our copy of the Darlington strain. Both alleles contained the histi...

journal_title：Antimicrobial agents and chemotherapy

authors： Kakeya H,Miyazaki Y,Miyazaki H,Nyswaner K,Grimberg B,Bennett JE

更新日期：2000-11-01 00:00:00

abstract：:Candida species are the cause of 60% of all mycoses in immunosuppressed individuals, leading to ∼150,000 deaths annually due to systemic infections, whereas the current antifungal therapies either have toxic side effects or are insufficiently efficient. We performed a screening of two compound libraries, the Enzo and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Stylianou M,Kulesskiy E,Lopes JP,Granlund M,Wennerberg K,Urban CF

更新日期：2014-01-01 00:00:00

abstract：:There has been major interest by the scientific community in antivirulence approaches against bacterial infections. However, partly due to a lack of viable lead compounds, antivirulence therapeutics have yet to reach the clinic. Here we investigate the development of an antivirulence lead targeting quorum sensing sign...

journal_title：Antimicrobial agents and chemotherapy

authors： Todd DA,Parlet CP,Crosby HA,Malone CL,Heilmann KP,Horswill AR,Cech NB

更新日期：2017-07-25 00:00:00