Effect of antimicrobial agents on human polymorphonuclear leukocyte microbicidal function.

abstract：:Protoplasts of the temperature-sensitive osmotic-1 mutant of Neurospora crassa grew and divided as cell wall-less cells when incubated under certain conditions at 37 degrees C. Each protoplast regenerated cell wall and formed a mycelium when the temperature was shifted to 22 degrees C. Cell wall regeneration, but not ...

journal_title：Antimicrobial agents and chemotherapy

authors： Selitrennikoff CP

更新日期：1983-05-01 00:00:00

abstract：:A total of 6,991 unique patient isolates of Streptococcus pneumoniae were collected from October 1997 to June 2002 from 25 medical centers in 9 of the 10 Canadian provinces. Among these isolates, 20.2% were penicillin nonsusceptible, with 14.6% being penicillin intermediate (MIC, 0.12 to 1 microg/ml) and 5.6% being pe...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhanel GG,Palatnick L,Nichol KA,Bellyou T,Low DE,Hoban DJ

更新日期：2003-06-01 00:00:00

abstract：:Susceptibility testing of laboratory strains and clinical isolates of Borrelia burgdorferi indicates that resistance to erythromycin is present in them. Evaluation of the MICs, minimal bactericidal concentrations, and kinetics of bacterial killing of erythromycin suggests that this resistance is increased by preexposu...

journal_title：Antimicrobial agents and chemotherapy

authors： Terekhova D,Sartakova ML,Wormser GP,Schwartz I,Cabello FC

更新日期：2002-11-01 00:00:00

abstract：:The bla(TLA-1) gene encoding an extended-spectrum beta-lactamase was identified in 11 enterobacterial isolates from Mexico City, Mexico. This gene was located on different plasmids and plasmid types with different sizes and incompatibility groups. It was associated with a novel insertion sequence, ISCR20, encoding a p...

journal_title：Antimicrobial agents and chemotherapy

authors： Berçot B,Poirel L,Silva-Sanchez J,Nordmann P

更新日期：2010-09-01 00:00:00

abstract：:Some Kelch mutations of the Plasmodium falciparum K13 protein confer increased survival to dihydroartemisinin (DHA)-treated ring-stage parasites. Here, we asked if K13 mutations affect a dormancy phenotype allowing parasites to survive DHA exposure and then sorbitol selection. Although recrudescence from dormancy diff...

journal_title：Antimicrobial agents and chemotherapy

authors： Breglio KF,Rahman RS,Sá JM,Hott A,Roberts DJ,Wellems TE

更新日期：2018-04-26 00:00:00

abstract：:Resistance to peptide deformylase inhibitors in Escherichia coli or Staphylococcus aureus is due to inactivation of transformylase activity. Knockout experiments in Streptococcus pneumoniae R6x indicate that the transformylase (fmt) and deformylase (defB) genes are essential and that a def paralog (defA) is not. Actin...

journal_title：Antimicrobial agents and chemotherapy

authors： Margolis P,Hackbarth C,Lopez S,Maniar M,Wang W,Yuan Z,White R,Trias J

更新日期：2001-09-01 00:00:00

abstract：:A basic, random copolymer of l-ornithine and l-leucine (OL; molar ratios 1:1) was bactericidal to a sensitive (S) strain of Staphylococcus aureus at low concentration. Resistant cells (R) were selected from the culture medium and, after serial transfers to solutions containing increasing amounts of the polymer, grew w...

journal_title：Antimicrobial agents and chemotherapy

authors： Shenfeld A,Flowers HM,Katchalski E

更新日期：1974-02-01 00:00:00

abstract：:Acute otitis media, a polymicrobial disease of the middle ear cavity of children, is a significant public health problem worldwide. It is most frequently caused by encapsulated Streptococcus pneumoniae and nontypeable Haemophilus influenzae, although the widespread use of pneumococcal conjugate vaccines is apparently ...

journal_title：Antimicrobial agents and chemotherapy

authors： Domenech M,García E

更新日期：2017-01-24 00:00:00

abstract：:The influence of five antibiotics (netilmicin, ceftriaxone, cefepime, fleroxacin, and ciprofloxacin) on capsular polysaccharide distribution and on opsonophagocytosis by human polymorphonuclear leukocytes of unencapsulated and encapsulated Escherichia coli strains was studied. Unencapsulated E. coli strains were readi...

journal_title：Antimicrobial agents and chemotherapy

authors： Raponi G,Keller N,Overbeek BP,Rozenberg-Arska M,van Kessel KP,Verhoef J

更新日期：1990-02-01 00:00:00

abstract：:Indole-2-carboxamide derivatives are inhibitors of MmpL3, the cell wall-associated mycolic acid transporter of Mycobacterium tuberculosis In the present study, we characterized indoleamide effects on bacterial cell morphology and reevaluated pharmacokinetics and in vivo efficacy using an optimized oral formulation. Mo...

journal_title：Antimicrobial agents and chemotherapy

authors： Lun S,Tasneen R,Chaira T,Stec J,Onajole OK,Yang TJ,Cooper CB,Mdluli K,Converse PJ,Nuermberger EL,Raj VS,Kozikowski A,Bishai WR

更新日期：2019-06-24 00:00:00

abstract：:The clinical vancomycin-intermediate Staphylococcus aureus (VISA) strain Mu50 carries two mutations in the vraSR and graRS two-component regulatory systems (TCRSs), namely, vraS(I5N) and graR(N197S) (hereinafter designated graR). The clinical heterogeneously vancomycin-intermediate S. aureus (hVISA) strain Mu3 shares ...

journal_title：Antimicrobial agents and chemotherapy

authors： Matsuo M,Hishinuma T,Katayama Y,Cui L,Kapi M,Hiramatsu K

更新日期：2011-09-01 00:00:00

abstract：:Methylene blue (MB) represents a promising antimalarial drug candidate for combination therapies against drug-resistant parasite strains. To support and facilitate the application of MB in future field trials, we studied its antiparasitic effects in vitro. MB is active against all blood stages of both chloroquine (CQ)...

journal_title：Antimicrobial agents and chemotherapy

authors： Akoachere M,Buchholz K,Fischer E,Burhenne J,Haefeli WE,Schirmer RH,Becker K

更新日期：2005-11-01 00:00:00

abstract：:Cefaclor solutions in pH 2.5 and 4.5 buffers contained at least 90% of their initial activity after 72 h at 4 degrees C. Samples in pH 6.0, 7.0, and 8.0 buffers contained 70, 46, and 34%, respectively, of their initial activity after 72 h at 4 degrees C. After 72 h at 25 degrees C, samples prepared with pH 2.5, 4.5, 6...

journal_title：Antimicrobial agents and chemotherapy

authors： Foglesong MA,Lamb JW,Dietz JV

更新日期：1978-01-01 00:00:00

abstract：:The integrase inhibitor raltegravir (RAL) is currently used for the treatment of both treatment-naïve and treatment-experienced HIV-1-infected patients. Elvitegravir (EVG) is in late phases of clinical development. Since significant cross-resistance between RAL and EVG is observed, there is a need for second-generatio...

journal_title：Antimicrobial agents and chemotherapy

authors： Van Wesenbeeck L,Rondelez E,Feyaerts M,Verheyen A,Van der Borght K,Smits V,Cleybergh C,De Wolf H,Van Baelen K,Stuyver LJ

更新日期：2011-01-01 00:00:00

abstract：:A new 3-N-aminoglycoside acetyltransferase is described, which possesses a wider substrate range than any such enzyme so far discovered in clinical isolates of antibiotic-resistant bacteria. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Biddlecome S,Haas M,Davies J,Miller GH,Rane DF,Daniels PJ

更新日期：1976-06-01 00:00:00

abstract：:Borrelia burgdorferi, a spirochete and the causative agent of Lyme disease, has been reported to be susceptible to a variety of antimicrobial agents. In this investigation, the action of vancomycin, a glycopeptide antibiotic not previously known to have activity against spirochetes, against borrelias was examined. The...

journal_title：Antimicrobial agents and chemotherapy

authors： Dever LL,Jorgensen JH,Barbour AG

更新日期：1993-05-01 00:00:00

abstract：:Human respiratory syncytial virus (RSV) is a major cause of lower respiratory tract infections in infants, young children, elderly persons, and severely immunocompromised patients. Effective postinfection treatments are not widely available, and currently there is no approved vaccine. TMC353121 is a potent RSV fusion ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rouan MC,Gevers T,Roymans D,de Zwart L,Nauwelaers D,De Meulder M,van Remoortere P,Vanstockem M,Koul A,Simmen K,Andries K

更新日期：2010-11-01 00:00:00

abstract：:The binding of the outer membrane-disorganizing peptide polymyxin B nonapeptide (PMBN) to gram-negative bacteria was studied by using tritium-labeled PMBN. Smooth Salmonella typhimurium had a binding capacity of ca. 6 nmol of PMBN per mg (dry weight) of bacteria, which corresponds to ca. 1 X 10(6) to 2 X 10(6) molecul...

journal_title：Antimicrobial agents and chemotherapy

authors： Vaara M,Viljanen P

更新日期：1985-04-01 00:00:00

abstract：:We investigated the relevance of prominent reduction in turbidity macroscopically (MIC) and formation of aberrant hyphal tips microscopically (minimum effective concentration; MEC) in measuring the in vitro activity of caspofungin against Aspergillus and Fusarium. Caspofungin generated low MICs and MECs against Asperg...

journal_title：Antimicrobial agents and chemotherapy

authors： Arikan S,Lozano-Chiu M,Paetznick V,Rex JH

更新日期：2001-01-01 00:00:00

abstract：:Hypermutable Pseudomonas aeruginosa strains are found with high frequency in the lungs of patients with chronic infections and are associated with high antibiotic resistance rates. The in vivo consequences of hypermutation for treatment in a mouse model of lung infection using strain PAO1 and its hypermutable derivati...

journal_title：Antimicrobial agents and chemotherapy

authors： Maciá MD,Borrell N,Segura M,Gómez C,Pérez JL,Oliver A

更新日期：2006-03-01 00:00:00

abstract：:A comparison of the daclatasvir (DCV [BMS-790052]) resistance barrier on authentic or hybrid replicons containing NS5A from hepatitis C virus (HCV) genotypes 1 to 6 (GT-1 to -6) was completed using a replicon elimination assay. The data indicated that genotype 1b (GT-1b) has the highest relative resistance barrier and...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang C,Jia L,O'Boyle DR 2nd,Sun JH,Rigat K,Valera L,Nower P,Huang X,Kienzle B,Roberts S,Gao M,Fridell RA

更新日期：2014-09-01 00:00:00

abstract：:This work investigated the molecular events driving the evolution of the CTX-M-type β-lactamases by the use of DNA shuffling of fragments of the blaCTX-M-14 and blaCTX-M-15 genes. Analysis of a total of 51 hybrid enzymes showed that enzymatic activity could be maintained in most cases, yet hybrids that were active pos...

journal_title：Antimicrobial agents and chemotherapy

authors： Po KHL,Chan EWC,Chen S

更新日期：2017-11-22 00:00:00

abstract：:The activity of the siderophore cephalosporin cefiderocol is targeted against carbapenem-resistant Gram-negative bacteria. In this study, the activity of cefiderocol against characterized carbapenem-resistant Acinetobacter baumannii complex, Stenotrophomonas maltophilia, Pseudomonas aeruginosa, and Enterobacteriaceae ...

journal_title：Antimicrobial agents and chemotherapy

authors： Jacobs MR,Abdelhamed AM,Good CE,Rhoads DD,Hujer KM,Hujer AM,Domitrovic TN,Rudin SD,Richter SS,van Duin D,Kreiswirth BN,Greco C,Fouts DE,Bonomo RA

更新日期：2018-12-21 00:00:00

abstract：:DNA ligases are indispensable enzymes playing a critical role in DNA replication, recombination, and repair in all living organisms. Bacterial NAD+-dependent DNA ligase (LigA) was evaluated for its potential as a broad-spectrum antibacterial target. A novel class of substituted adenosine analogs was discovered by targ...

journal_title：Antimicrobial agents and chemotherapy

authors： Mills SD,Eakin AE,Buurman ET,Newman JV,Gao N,Huynh H,Johnson KD,Lahiri S,Shapiro AB,Walkup GK,Yang W,Stokes SS

更新日期：2011-03-01 00:00:00

abstract：:Novel antibiotics approved by noninferiority trials may become less effective over time in two scenarios: (i) the treatment effect in studies of novel antibiotics may be consistently worse than studies of older antibiotics; (ii) when a decreasingly effective control arm is used in a series of noninferiority trials. Ou...

journal_title：Antimicrobial agents and chemotherapy

authors： Bai AD,Komorowski AS,Lo CKL,Tandon P,Li XX,Mokashi V,Cvetkovic A,Findlater A,Liang L,Loeb M,Mertz D

更新日期：2020-10-20 00:00:00

abstract：:Desferrioxamine, a safe and effective iron chelator, was evaluated for its antibacterial and antifungal activity. The susceptibilities of 124 urinary tract isolates and 28 clinical isolates of Neisseria gonorrhoeae to desferrioxamine concentrations that are readily achievable in urine were determined. Of all isolates,...

journal_title：Antimicrobial agents and chemotherapy

authors： Lowy FD,Pollack S,Fadl-Allah N,Steigbigel NH

更新日期：1984-03-01 00:00:00

abstract：:The in vitro susceptibilities of 11 strains of Chlamydia pneumoniae to azithromycin, clarithromycin, erythromycin, L-oflaxacin, and doxycycline were determined. Clarithromycin was the most active agent tested, with an MIC for 90% of strains and minimal chlamydiacidal concentration for 90% of strains of 0.03 microns/ml...

journal_title：Antimicrobial agents and chemotherapy

authors： Hammerschlag MR,Qumei KK,Roblin PM

更新日期：1992-07-01 00:00:00

abstract：:WR99210, a dihydrofolate reductase inhibitor, has promising in vitro activity against Mycobacterium avium complex (MAC). The in vitro activities of WR99210 alone and in combination with a fixed concentration of dapsone (0.5 microgram/ml) were evaluated against 35 clinical MAC isolates by a broth dilution method. The M...

journal_title：Antimicrobial agents and chemotherapy

authors： Shah LM,DeStefano MS,Cynamon MH

更新日期：1996-11-01 00:00:00

abstract：:The effects of an antacid containing magnesium and aluminum hydroxide on the pharmacokinetics of pefloxacin in 10 healthy volunteers were investigated. In a randomized crossover design, each subject received an oral dose of 400 mg of pefloxacin either with or without multiple doses of the antacid. The concentrations o...

journal_title：Antimicrobial agents and chemotherapy

authors： Jaehde U,Sörgel F,Stephan U,Schunack W

更新日期：1994-05-01 00:00:00

abstract：:An NDM-1 carbapenemase-producing Pseudomonas aeruginosa isolate was recovered from a patient hospitalized in France after a previous hospitalization in Serbia. Genetic studies revealed that the blaNDM-1 gene was surrounded by insertion sequence ISAba125 and a truncated bleomycin resistance gene. This blaNDM-1 region w...

journal_title：Antimicrobial agents and chemotherapy

authors： Janvier F,Jeannot K,Tessé S,Robert-Nicoud M,Delacour H,Rapp C,Mérens A

更新日期：2013-07-01 00:00:00