Overproduction of a penicillin-binding protein is not the only mechanism of penicillin resistance in Enterococcus faecium.

abstract：:Enterococci are intrinsically resistant to low levels of aminoglycosides. We previously selected in vitro and in vivo Enterococcus faecalis with intermediate-level resistance to gentamicin that did not abolish synergism with a cell-wall-active agent (E. Aslangul et al., Antimicrob. Agents Chemother. 49:4144-4148, 2005...

journal_title：Antimicrobial agents and chemotherapy

authors： Aslangul E,Massias L,Meulemans A,Chau F,Andremont A,Courvalin P,Fantin B,Ruimy R

更新日期：2006-11-01 00:00:00

abstract：:New tetracycline and streptomycin resistance genes, tet(44) and ant(6)-Ib, were identified in Campylobacter fetus subsp. fetus within a transferable pathogenicity island that is typically unique to Campylobacter fetus subsp. venerealis. The 640-amino-acid tetracycline resistance determinant, Tet 44, belongs to a class...

journal_title：Antimicrobial agents and chemotherapy

authors： Abril C,Brodard I,Perreten V

更新日期：2010-07-01 00:00:00

abstract：:We have reported previously that methylenecyclopropane analogs of nucleosides have excellent activity against certain members of the herpesvirus family. A second generation, the 2,2-bis-hydroxymethyl derivatives, were synthesized, and 18 compounds were tested for activity in vitro against herpes simplex virus types 1 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Kern ER,Kushner NL,Hartline CB,Williams-Aziz SL,Harden EA,Zhou S,Zemlicka J,Prichard MN

更新日期：2005-03-01 00:00:00

abstract：:By cloning studies and complementation experiments, the sulfonamide resistance gene of a serogroup B and serotype 15 (B:15) strain of Neisseria meningitidis was localized to a 1.2-kb chromosomal SspI fragment expressing a drug-resistant dihydropteroate synthase. The fragment hybridized to DNA from both resistant and s...

journal_title：Antimicrobial agents and chemotherapy

authors： Kristiansen BE,Rådström P,Jenkins A,Ask E,Facinelli B,Sköld O

更新日期：1990-11-01 00:00:00

abstract：:Macrolide-resistant mutants of Campylobacter jejuni and Campylobacter coli were selected in vitro using erythromycin and tylosin. These mutants exhibited modifications in the ribosomal proteins L4 (G74D) and L22 (insertions at position 86 or 98). A synergy between the CmeABC efflux pump and these modifications in conf...

journal_title：Antimicrobial agents and chemotherapy

authors： Cagliero C,Mouline C,Cloeckaert A,Payot S

更新日期：2006-11-01 00:00:00

abstract：:Emergence of resistance to pentavalent antimonials has become a severe obstacle in the treatment of visceral leishmaniasis (VL) on the Indian subcontinent. The mechanisms operating in laboratory-generated strains are somewhat known, but the determinants of clinical antimony resistance are not well understood. By utili...

journal_title：Antimicrobial agents and chemotherapy

authors： Ashutosh,Garg M,Sundar S,Duncan R,Nakhasi HL,Goyal N

更新日期：2012-01-01 00:00:00

abstract：:Hepatitis C virus (HCV) inhibitors include direct-acting antivirals (DAAs) such as NS3 serine protease inhibitors, nucleoside and nonnucleoside polymerase inhibitors, and host-targeting antivirals (HTAs) such as cyclophilin inhibitors that have been developed in recent years. Drug-resistant HCV variants have been repo...

journal_title：Antimicrobial agents and chemotherapy

authors： Delang L,Vliegen I,Froeyen M,Neyts J

更新日期：2011-09-01 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：:Mice treated with antibiotics early or late after active infection had resolved were examined for chlamydial DNA in endocervical swabs. The early eradication of infection limited oviduct pathology, despite the continued detection of chlamydial DNA by nested PCR. Late antibiotic treatment had no effect on the ability t...

journal_title：Antimicrobial agents and chemotherapy

authors： Reeves DM,Nagarajan U,O'Connell C,Andrews CW Jr,Darville T

更新日期：2007-07-01 00:00:00

abstract：:A DNA probe was developed by inserting, in the SmaI site of pBluescript sK, a 528-bp fragment of the gene responsible for intrinsic resistance to beta-lactam antibiotics in Staphylococcus aureus (mec determinant). The mec probe provided a useful tool for the rapid identification of the intrinsic resistance trait and f...

journal_title：Antimicrobial agents and chemotherapy

authors： Ligozzi M,Rossolini GM,Tonin EA,Fontana R

更新日期：1991-03-01 00:00:00

abstract：:The accumulation of OPC-17116 by human polymorphonuclear leukocytes was studied by comparison with three other new quinolones, ofloxacin, levofloxacin, and DR-3354. The intracellular/extracellular concentration ratio was the highest for OPC-17116, being 66.2, followed by 9.8 for levofloxacin, 7.6 for ofloxacin, and 5....

journal_title：Antimicrobial agents and chemotherapy

authors： Taira K,Koga H,Kohno S

更新日期：1993-09-01 00:00:00

abstract：:Candida parapsilosis has emerged as a common cause of invasive fungal infection, especially in Latin America and in the neonatal setting. C. parapsilosis is part of a closely related group of organisms that includes the species Candida orthopsilosis and Candida metapsilosis. All three species show elevated MICs for th...

journal_title：Antimicrobial agents and chemotherapy

authors： Garcia-Effron G,Katiyar SK,Park S,Edlind TD,Perlin DS

更新日期：2008-07-01 00:00:00

abstract：:Helicobacter pylori is a major etiological agent in gastroduodenal disorders. The adhesion of H. pylori to human gastric epithelial cells is the initial step of H. pylori infection. Inhibition of H. pylori adhesion is thus a therapeutic target in the prevention of H. pylori infection. Experiments were performed to eva...

journal_title：Antimicrobial agents and chemotherapy

authors： Hayashi S,Sugiyama T,Amano K,Isogai H,Isogai E,Aihara M,Kikuchi M,Asaka M,Yokota K,Oguma K,Fujii N,Hirai Y

更新日期：1998-08-01 00:00:00

abstract：:In vitro activity of tebipenem, a new oral carbapenem antibiotic, against clinical Haemophilus influenzae isolates was compared with those of 8 reference agents. Isolates were classified into 6 resistance classes after PCR identification of beta-lactamase genes and ftsI gene mutations. For all isolates, the minimal co...

journal_title：Antimicrobial agents and chemotherapy

authors： Kishii K,Chiba N,Morozumi M,Ono A,Ida T,Ubukata K

更新日期：2010-09-01 00:00:00

abstract：:Pseudomonas aeruginosa AH, isolated in Ankara, Turkey, was highly resistant to ceftazidime (MIC, 128 microg/ml) and produced a beta-lactamase that gave a doublet of bands at pIs 8.7 and 8.9. beta-Lactamase production was transferable to P. aeruginosa PU21 by conjugation and was determined by a ca. 450-kb plasmid, pMLH...

journal_title：Antimicrobial agents and chemotherapy

authors： Danel F,Hall LM,Gur D,Livermore DM

更新日期：1997-04-01 00:00:00

abstract：:The participation of trypanothione in clinical and experimental antimony (Sb) resistance in Leishmania panamensis was examined by using specific inhibitors. Buthionine sulfoximine (BSO) significantly reversed the resistance to trivalent Sb (Sb(III)) of promastigotes of experimentally derived Sb-resistant lines, suppor...

journal_title：Antimicrobial agents and chemotherapy

authors： Goyeneche-Patino DA,Valderrama L,Walker J,Saravia NG

更新日期：2008-12-01 00:00:00

abstract：:Telavancin displays potent in vitro and in vivo activity against methicillin-resistant Staphylococcus aureus (MRSA), including strains with reduced susceptibility to vancomycin. We compared the efficacies of telavancin and vancomycin against MRSA strains with vancomycin MICs of ≥1 μg/ml in a neutropenic murine lung in...

journal_title：Antimicrobial agents and chemotherapy

authors： Crandon JL,Kuti JL,Nicolau DP

更新日期：2010-12-01 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：:Duck hepatitis B virus (DHBV) replication in primary duck hepatocytes was monitored by examining the synthesis of both DHBV DNA and DHBV core antigen. Several nucleoside analogs which were previously shown to inhibit the replication of DNA viruses (i.e., herpesviruses) and retroviruses were examined for their inhibito...

journal_title：Antimicrobial agents and chemotherapy

authors： Yokota T,Konno K,Chonan E,Mochizuki S,Kojima K,Shigeta S,de Clercq E

更新日期：1990-07-01 00:00:00

abstract：:Two of the most common causes of inflammatory enteritis are Campylobacter fetus subsp. jejuni and Shigella species. No single antimicrobial agent is recommended for treatment of both diseases. Erythromycin is used to treat C. fetus subsp. jejuni infections but has not been studied in shigellosis. For this reason, we d...

journal_title：Antimicrobial agents and chemotherapy

authors： Greenberg RN,Pearson RD,Innes DJ,Sauer KT,Halterman LD,Guerrant RL

更新日期：1982-02-01 00:00:00

abstract：:Oxidizing agents like hypochlorous acid (HOCl) have antimicrobial activity. We developed an integrated electrochemical scaffold or 'e-scaffold' that delivers a continuous low dose of HOCl aimed at targeting microbial biofilms without exceeding concentrations toxic to humans, as a prototype of a device being developed ...

journal_title：Antimicrobial agents and chemotherapy

authors： Flurin L,Raval YS,Mohamed A,Greenwood-Quaintance KE,Cano EJ,Beyenal H,Patel R

更新日期：2021-01-04 00:00:00

abstract：:Spiramycins are clinically important 16-member macrolide antibiotics produced by Streptomyces ambofaciens. Biosynthetic studies have established that the earliest lactonic intermediate in spiramycin biosynthesis, the macrolactone platenolide I, is synthesized by a type I modular polyketide synthase (PKS). Platenolide ...

journal_title：Antimicrobial agents and chemotherapy

authors： Nguyen HC,Darbon E,Thai R,Pernodet JL,Lautru S

更新日期：2013-08-01 00:00:00

abstract：:Escherichia coli sequence type 131 (ST131) is a pandemic clonal lineage that is responsible for the global increase in fluoroquinolone resistance and extended-spectrum-β-lactamase (ESBL) producers. The members of ST131 clade C, especially subclades C2 and C1-M27, are associated with ESBLs. We developed a multiplex con...

journal_title：Antimicrobial agents and chemotherapy

authors： Matsumura Y,Pitout JDD,Peirano G,DeVinney R,Noguchi T,Yamamoto M,Gomi R,Matsuda T,Nakano S,Nagao M,Tanaka M,Ichiyama S

更新日期：2017-07-25 00:00:00

abstract：:Artemisinins are peroxidic antimalarial drugs known to be very potent but highly chemically unstable; they degrade in the presence of ferrous iron, Fe(II)-heme, or biological reductants. Less documented is how this translates into chemical stability and antimalarial activity across a range of conditions applying to in...

journal_title：Antimicrobial agents and chemotherapy

authors： Parapini S,Olliaro P,Navaratnam V,Taramelli D,Basilico N

更新日期：2015-07-01 00:00:00

abstract：:With the growing global threat of antimicrobial resistance, novel strategies are required for combatting resistant pathogens. Combination therapy, in which multiple drugs are used to treat an infection, has proven highly successful in the treatment of cancer and HIV. However, this practice has proven challenging for t...

journal_title：Antimicrobial agents and chemotherapy

authors： Adamowicz EM,Harcombe WR

更新日期：2020-10-20 00:00:00

abstract：:Enterovirus 71 is one of the most important pathogens in the family of Picornaviridae that can cause severe complications in the postpoliovirus era, such as encephalitis, pulmonary edema, and even death. Pyridyl imidazolidinone is a novel class of potent and selective human enterovirus 71 inhibitor. Pyridyl imidazolid...

journal_title：Antimicrobial agents and chemotherapy

authors： Shih SR,Tsai MC,Tseng SN,Won KF,Shia KS,Li WT,Chern JH,Chen GW,Lee CC,Lee YC,Peng KC,Chao YS

更新日期：2004-09-01 00:00:00

abstract：:A mouse model was developed to evaluate the efficacy of antibiotic treatment of pneumonic plague; streptomycin was compared to antibiotics with which there is little or no clinical experience. Infection was induced by inhalation of aerosolized Yersinia pestis organisms. Antibiotics were administered by intraperitoneal...

journal_title：Antimicrobial agents and chemotherapy

authors： Byrne WR,Welkos SL,Pitt ML,Davis KJ,Brueckner RP,Ezzell JW,Nelson GO,Vaccaro JR,Battersby LC,Friedlander AM

更新日期：1998-03-01 00:00:00

abstract：:We examined an E-test-based strategy for testing the combination of itraconazole and amphotericin B, the latter given either sequentially or concomitantly, in isolates of Aspergillus fumigatus. An antagonistic interaction between the two drugs was noted, especially with the sequential administration of amphotericin B....

journal_title：Antimicrobial agents and chemotherapy

authors： Kontoyiannis DP,Lewis RE,Sagar N,May G,Prince RA,Rolston KV

更新日期：2000-10-01 00:00:00

abstract：:In most experiments when aminoglycoside antibiotic (AG) tissue levels are measured, the AG is extracted into buffered media. The data from this study reveal that buffer extraction results in only partial recovery of AG from tissues and that total recovery can be obtained after NaOH or trichloroacetic acid treatment. T...

journal_title：Antimicrobial agents and chemotherapy

authors： Fox KE

更新日期：1989-04-01 00:00:00

abstract：:The in vitro activity of ceftriaxone alone and in combination with gentamicin, tobramycin, and amikacin against 50 Pseudomonas aeruginosa strains was studied by the broth dilution method and the time-kill curve method. The majority of the P. aeruginosa strains tested were resistant to ceftriaxone. Combining ceftriaxon...

journal_title：Antimicrobial agents and chemotherapy

authors： Watanakunakorn C

更新日期：1983-08-01 00:00:00