abstract：:The etiological treatment of Chagas disease remains neglected. The compounds available show several limitations, mainly during the chronic phase. Lychnopholide encapsulated in polymeric nanocapsules (LYC-NC) was efficacious in mice infected with Trypanosoma cruzi and treated by intravenous administration during the ac...

journal_title：Antimicrobial agents and chemotherapy

authors： de Mello CG,Branquinho RT,Oliveira MT,Milagre MM,Saúde-Guimarães DA,Mosqueira VC,Lana Md

更新日期：2016-08-22 00:00:00

abstract：:We found a heterozygous C2857T mutation (R953C) in polymerase gamma (Pol-γ) in an HIV-infected patient with mitochondrial toxicity. The R953C Pol-γ mutant binding affinity for dCTP is 8-fold less than that of the wild type. The R953C mutant shows a 4-fold decrease in discrimination of analog nucleotides relative to th...

journal_title：Antimicrobial agents and chemotherapy

authors： Li M,Mislak AC,Foli Y,Agbosu E,Bose V,Bhandari S,Szymanski MR,Shumate CK,Yin YW,Anderson KS,Paintsil E

更新日期：2016-08-22 00:00:00

abstract：:Laboratory-based in vitro antimicrobial susceptibility testing is the foundation for guiding anti-infective therapy and monitoring antimicrobial resistance trends. We used whole-genome sequencing (WGS) technology to identify known antimicrobial resistance determinants among strains of nontyphoidal Salmonella and corre...

journal_title：Antimicrobial agents and chemotherapy

authors： McDermott PF,Tyson GH,Kabera C,Chen Y,Li C,Folster JP,Ayers SL,Lam C,Tate HP,Zhao S

更新日期：2016-08-22 00:00:00

abstract：:Lactation studies are necessary evaluations of medications for reproductive-age women. We evaluated pharmacokinetics (PK), pharmacodynamics, safety, and adherence profiles associated with 7 days of 1% tenofovir (TFV) vaginal gel use during lactation. Tenofovir levels (maternal/infant serum, milk) and anti-HIV activity...

journal_title：Antimicrobial agents and chemotherapy

authors： Noguchi LM,Montgomery ET,Biggio JR,Hendrix CW,Bogen DL,Hillier SL,Dai JY,Piper JM,Marzinke MA,Dezzutti CS,Isaacs SK,Schwartz JL,Watts DH,Beigi RH

更新日期：2016-08-22 00:00:00

abstract：:Tedizolid and linezolid in vitro activities against 3,032 Gram-positive pathogens collected in Asia-Pacific, Eastern European, and Latin American medical centers during 2014 were assessed. The isolates were tested for susceptibility by the current reference broth microdilution methods. Due to concern over the effect o...

journal_title：Antimicrobial agents and chemotherapy

authors： Pfaller MA,Flamm RK,Jones RN,Farrell DJ,Mendes RE

更新日期：2016-08-22 00:00:00

abstract：:Pseudomonas aeruginosa infections result in high morbidity and mortality rates for individuals with cystic fibrosis (CF), with premature death often occurring. These infections are complicated by the formation of biofilms in the sputum. Antibiotic therapy is stymied by antibiotic resistance of the biofilm matrix, maki...

journal_title：Antimicrobial agents and chemotherapy

authors： Klare W,Das T,Ibugo A,Buckle E,Manefield M,Manos J

更新日期：2016-07-22 00:00:00

abstract：:In vitro susceptibility of 933 Candida isolates, from 16 French hospitals, to micafungin was determined using the Etest in each center. All isolates were then sent to a single center for determination of MICs by the EUCAST reference method. Overall essential agreement between the two tests was 98.5% at ±2 log2 dilutio...

journal_title：Antimicrobial agents and chemotherapy

authors： Bougnoux ME,Dannaoui E,Accoceberry I,Angoulvant A,Bailly E,Botterel F,Chevrier S,Chouaki T,Cornet M,Dalle F,Datry A,Dupuis A,Fekkar A,Gangneux JP,Guitard J,Hennequin C,Le Govic Y,Le Pape P,Maubon D,Ranque S,Sautou

更新日期：2016-07-22 00:00:00

abstract：:MICs of 25 Abiotrophia defectiva and 109 Granulicatella adiacens isolates were determined by broth microdilution. Using CLSI breakpoints, the susceptibilities of A. defectiva and G. adiacens isolates were, respectively, 24% and 34% to penicillin, 92% and 22% to ceftriaxone, 48% and 3% to cefepime, 72% and 87% to merop...

journal_title：Antimicrobial agents and chemotherapy

authors： Mushtaq A,Greenwood-Quaintance KE,Cole NC,Kohner PC,Ihde SM,Strand GJ,Harper LW,Virk A,Patel R

更新日期：2016-07-22 00:00:00

abstract：:Ribonucleoside analog inhibitors (rNAI) target the hepatitis C virus (HCV) RNA-dependent RNA polymerase nonstructural protein 5B (NS5B) and cause RNA chain termination. Here, we expand our studies on β-d-2'-C-methyl-2,6-diaminopurine-ribonucleotide (DAPN) phosphoramidate prodrug 1 (PD1) as a novel investigational inhi...

journal_title：Antimicrobial agents and chemotherapy

authors： Ehteshami M,Tao S,Ozturk T,Zhou L,Cho JH,Zhang H,Amiralaei S,Shelton JR,Lu X,Khalil A,Domaoal RA,Stanton RA,Suesserman JE,Lin B,Lee SS,Amblard F,Whitaker T,Coats SJ,Schinazi RF

更新日期：2016-07-22 00:00:00

abstract：:Human cytomegalovirus (HCMV) infection is usually benign in healthy individuals but can cause life-threatening disease in those with compromised immune systems. Approved drugs available to treat HCMV disease, including ganciclovir, cidofovir, and foscarnet, have significant toxicities that limit their use in certain p...

journal_title：Antimicrobial agents and chemotherapy

authors： Patel HD,Nikitin P,Gesner T,Lin JJ,Barkan DT,Ciferri C,Carfi A,Akbarnejad Yazdi T,Skewes-Cox P,Wiedmann B,Jarousse N,Zhong W,Feire A,Hebner CM

更新日期：2016-07-22 00:00:00

abstract：:The apicomplexan parasites that cause malaria and babesiosis invade and proliferate within erythrocytes. To assess the potential for common antiparasitic treatments, we measured the sensitivities of multiple species of Plasmodium and Babesia parasites to the chemically diverse collection of antimalarial compounds in t...

journal_title：Antimicrobial agents and chemotherapy

authors： Paul AS,Moreira CK,Elsworth B,Allred DR,Duraisingh MT

更新日期：2016-07-22 00:00:00

abstract：:The novel ATP synthase inhibitor bedaquiline recently received accelerated approval for treatment of multidrug-resistant tuberculosis and is currently being studied as a component of novel treatment-shortening regimens for drug-susceptible and multidrug-resistant tuberculosis. In a limited number of bedaquiline-treate...

journal_title：Antimicrobial agents and chemotherapy

authors： Almeida D,Ioerger T,Tyagi S,Li SY,Mdluli K,Andries K,Grosset J,Sacchettini J,Nuermberger E

更新日期：2016-07-22 00:00:00

abstract：:The usefulness of β-lactam antimicrobial agents is threatened as never before by β-lactamase-producing bacteria. For this reason, there has been renewed interest in the development of broad-spectrum β-lactamase inhibitors. Herein we describe the results of dose fractionation and dose-ranging studies carried out using ...

journal_title：Antimicrobial agents and chemotherapy

authors： VanScoy BD,Trang M,McCauley J,Conde H,Bhavnani SM,Friedrich LV,Alexander DC,Ambrose PG

更新日期：2016-06-20 00:00:00

abstract：:Here we completely sequenced four mcr-1-haboring plasmids, isolated from two extended-spectrum-β-lactamase (ESBL)-producing Escherichia coli and two carbapenemase-producing Klebsiella pneumoniae clinical isolates. The mcr-1-harboring plasmids from an E. coli sequence type 2448 (ST2448) isolate and two K. pneumoniae ST...

journal_title：Antimicrobial agents and chemotherapy

authors： Li A,Yang Y,Miao M,Chavda KD,Mediavilla JR,Xie X,Feng P,Tang YW,Kreiswirth BN,Chen L,Du H

更新日期：2016-06-20 00:00:00

abstract：:We report 2 cases of recurrent Campylobacter coli enteritis caused by macrolide- and fluoroquinolone-resistant strains in 2 patients with hypogammaglobulinemia, successfully treated with a prolonged course of fosfomycin-tromethamine with no side effects. Fosfomycin-tromethamine may be a feasible alternative therapy fo...

journal_title：Antimicrobial agents and chemotherapy

authors： Aguilar-Company J,Los-Arcos I,Pigrau C,Rodríguez-Pardo D,Larrosa MN,Rodríguez-Garrido V,Sihuay-Diburga D,Almirante B

更新日期：2016-06-20 00:00:00

abstract：:We have analyzed the contribution of different efflux components to glutathione-mediated abrogation of ciprofloxacin's activity in Escherichia coli and the underlying potential mechanism(s) behind this phenomenon. The results indicated that glutathione increased the total active efflux, thereby partially contributing ...

journal_title：Antimicrobial agents and chemotherapy

authors： Goswami M,Subramanian M,Kumar R,Jass J,Jawali N

更新日期：2016-06-20 00:00:00

abstract：:Due to the rise of antibiotic resistance and the small number of effective antiviral drugs, new approaches for treating infectious diseases are urgently needed. Identifying targets for host-based therapies represents an emerging strategy for drug discovery. The ubiquitin-proteasome system is a central mode of signalin...

journal_title：Antimicrobial agents and chemotherapy

authors： Passalacqua KD,Charbonneau ME,Donato NJ,Showalter HD,Sun D,Wen B,He M,Sun H,O'Riordan MX,Wobus CE

更新日期：2016-06-20 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：:Administering polymyxin antibiotics in a traditional fashion may be ineffective against Gram-negative ESKAPE (Enterococcus faecium, Staphylococcus aureus, Klebsiella pneumoniae, Acinetobacter baumannii, Pseudomonas aeruginosa, and Enterobacter species) pathogens. Here, we explored increasing the dose intensity of poly...

journal_title：Antimicrobial agents and chemotherapy

authors： Tsuji BT,Landersdorfer CB,Lenhard JR,Cheah SE,Thamlikitkul V,Rao GG,Holden PN,Forrest A,Bulitta JB,Nation RL,Li J

更新日期：2016-06-20 00:00:00

abstract：:Protozoan parasites of the Leishmania donovani complex are the causative agents of visceral leishmaniasis (VL), the most severe form of leishmaniasis, with high rates of mortality if left untreated. Leishmania parasites are transmitted to humans through the bite of infected female sandflies (Diptera: Phlebotominae), a...

journal_title：Antimicrobial agents and chemotherapy

authors： Vacchina P,Norris-Mullins B,Abengózar MA,Viamontes CG,Sarro J,Stephens MT,Pfrender ME,Rivas L,Morales MA

更新日期：2016-06-20 00:00:00

abstract：:Although the use of probiotics based on Bacillus strains to fight off intestinal pathogens and antibiotic-associated diarrhea is widespread, the mechanisms involved in producing their beneficial effects remain unclear. Here, we studied the ability of compounds secreted by the probiotic Bacillus clausii strain O/C to c...

journal_title：Antimicrobial agents and chemotherapy

authors： Ripert G,Racedo SM,Elie AM,Jacquot C,Bressollier P,Urdaci MC

更新日期：2016-05-23 00:00:00

abstract：:Bacteria require at least one pathway to rescue ribosomes stalled at the ends of mRNAs. The primary pathway for ribosome rescue is trans-translation, which is conserved in >99% of sequenced bacterial genomes. Some species also have backup systems, such as ArfA or ArfB, which can rescue ribosomes in the absence of suff...

journal_title：Antimicrobial agents and chemotherapy

authors： Goralski TD,Dewan KK,Alumasa JN,Avanzato V,Place DE,Markley RL,Katkere B,Rabadi SM,Bakshi CS,Keiler KC,Kirimanjeswara GS

更新日期：2016-05-23 00:00:00

abstract：:We investigated the azole resistance mechanisms and clinical features of fluconazole-nonsusceptible (FNS) isolates of Candida tropicalis recovered from Korean surveillance cultures in comparison with fluconazole-less-susceptible (FLS) isolates. Thirty-five clinical isolates of C. tropicalis, comprising 9 FNS (fluconaz...

journal_title：Antimicrobial agents and chemotherapy

authors： Choi MJ,Won EJ,Shin JH,Kim SH,Lee WG,Kim MN,Lee K,Shin MG,Suh SP,Ryang DW,Im YJ

更新日期：2016-05-23 00:00:00

abstract：:Hepatitis C virus (HCV) NS3 protease inhibitors (PIs) are important components of novel HCV therapy regimens. Studies of PI resistance initially focused on genotype 1. Therefore, knowledge about the determinants of PI resistance for the highly prevalent genotypes 2 to 6 remains limited. Using Huh7.5 cell culture-infec...

journal_title：Antimicrobial agents and chemotherapy

authors： Serre SB,Jensen SB,Ghanem L,Humes DG,Ramirez S,Li YP,Krarup H,Bukh J,Gottwein JM

更新日期：2016-05-23 00:00:00

abstract：:Clofazimine (CFZ) is a poorly soluble antibiotic and anti-inflammatory drug indicated for the treatment of leprosy. In spite of its therapeutic value, CFZ therapy is accompanied by the formation of drug biocrystals that accumulate within resident tissue macrophages, without obvious toxicological manifestations. Theref...

journal_title：Antimicrobial agents and chemotherapy

authors： Yoon GS,Keswani RK,Sud S,Rzeczycki PM,Murashov MD,Koehn TA,Standiford TJ,Stringer KA,Rosania GR

更新日期：2016-05-23 00:00:00

abstract：:Surotomycin (formerly called CB-183,315) is a novel, orally administered cyclic lipopeptide antibacterial in development for the treatment of Clostridium difficile infection (CDI) that has potent activity against vancomycin-resistant enterococci (VRE) but limited activity against Gram-negative bacilli, including Bacte...

journal_title：Antimicrobial agents and chemotherapy

authors： Deshpande A,Hurless K,Cadnum JL,Chesnel L,Gao L,Chan L,Kundrapu S,Polinkovsky A,Donskey CJ

更新日期：2016-05-23 00:00:00

abstract：:The recent widespread emergence of carbapenem resistance in Enterobacteriaceae is a major public health concern, as carbapenems are a therapy of last resort against this family of common bacterial pathogens. Resistance genes can mobilize via various mechanisms, including conjugation and transposition; however, the imp...

journal_title：Antimicrobial agents and chemotherapy

authors： Sheppard AE,Stoesser N,Wilson DJ,Sebra R,Kasarskis A,Anson LW,Giess A,Pankhurst LJ,Vaughan A,Grim CJ,Cox HL,Yeh AJ,Modernising Medical Microbiology (MMM) Informatics Group.,Sifri CD,Walker AS,Peto TE,Crook DW,Mathers AJ

更新日期：2016-05-23 00:00:00

abstract：:The aim of this study was to clarify the clarithromycin resistance mechanisms of β-lactamase-nonproducing ampicillin-resistant Haemophilus influenzae strains. In all clarithromycin-resistant strains, the transcript level of acrB was significantly elevated, and these strains had a frameshift mutation in acrR Introducti...

journal_title：Antimicrobial agents and chemotherapy

authors： Seyama S,Wajima T,Nakaminami H,Noguchi N

更新日期：2016-04-22 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：:Drug susceptibility tests (DSTs) for Mycobacterium tuberculosis require at least 7 days of incubation. Drugs that are unstable at 37°C, such as ertapenem, are likely to be degraded before killing or inhibiting slow-growing bacteria. This would alter the MICs of these drugs, including ertapenem, leading to falsely high...

journal_title：Antimicrobial agents and chemotherapy

authors： Srivastava S,van Rijn SP,Wessels AM,Alffenaar JW,Gumbo T

更新日期：2016-04-22 00:00:00

abstract：:This analysis of nearly 10,000 hospital-associated urinary tract infection (UTI) episodes due to Escherichia coli showed that fluoroquinolone and third-generation-cephalosporin resistance rates were 34.5% and 8.6%, respectively; the rate of concurrent resistance to both agents was 7.3%. Fluoroquinolone resistance rate...

journal_title：Antimicrobial agents and chemotherapy

authors： Bidell MR,Palchak M,Mohr J,Lodise TP

更新日期：2016-04-22 00:00:00

abstract：:Condensins play a key role in the global organization of bacterial chromosomes. In Escherichia coli, the inactivation of its sole condensin MukBEF induces severe growth defects and renders cells hypersusceptible to novobiocin. We report here that this hypersusceptibility can be observed in TolC-deficient cells and is ...

journal_title：Antimicrobial agents and chemotherapy

authors： Petrushenko ZM,Zhao H,Zgurskaya HI,Rybenkov VV

更新日期：2016-04-22 00:00:00

abstract：:We determined the complete nucleotide sequence of a self-transmissible IncL/M plasmid, pKOI-34, from a Klebsiella oxytoca isolate. pKOI-34 possessed the core structure of an IncL/M plasmid found in Erwinia amylovora, pEL60, with two mobile elements inserted, a transposon carrying the arsenic resistance operon and a Tn...

journal_title：Antimicrobial agents and chemotherapy

authors： Shimada N,Kayama S,Shigemoto N,Hisatsune J,Kuwahara R,Nishio H,Yamasaki K,Wada Y,Sueda T,Ohge H,Sugai M

更新日期：2016-04-22 00:00:00

abstract：:Pharmacological modeling of antiparasitic treatment based on a drug's pharmacokinetic and pharmacodynamic properties plays an increasingly important role in identifying optimal drug dosing regimens and predicting their potential impact on control and elimination programs. Conventional modeling of treatment relies on m...

journal_title：Antimicrobial agents and chemotherapy

authors： Hodel EM,Kay K,Hastings IM

更新日期：2016-04-22 00:00:00

abstract：:Implant-associated infections (IAIs) are a dreaded complication mainly caused by biofilm-forming staphylococci. Implant surfaces preventing microbial colonization would be desirable. We examined the preventive effect of a silver-coated titanium-aluminum-niobium (TiAlNb) alloy. The surface elicited a strong, inoculum-d...

journal_title：Antimicrobial agents and chemotherapy

authors： Kuehl R,Brunetto PS,Woischnig AK,Varisco M,Rajacic Z,Vosbeck J,Terracciano L,Fromm KM,Khanna N

更新日期：2016-03-25 00:00:00

abstract：:Thein vitroantibacterial activities of ceftazidime-avibactam and comparator agents were evaluated using reference broth microdilution methods against 1,743Pseudomonas aeruginosaisolates collected in 2014 from 69 U.S. medical centers, representing each of the nine census regions. Ceftazidime-avibactam demonstrated pote...

journal_title：Antimicrobial agents and chemotherapy

authors： Huband MD,Castanheira M,Flamm RK,Farrell DJ,Jones RN,Sader HS

更新日期：2016-03-25 00:00:00

abstract：:Here, we report twoEnterobacter cloacaesequence type 231 isolates coproducing KPC-3 and NDM-1 that have caused lethal infections in a tertiary hospital in China. TheblaNDM-1-harboring plasmids carry IncA/C2and IncR replicons, showing a mosaic plasmid structure, and theblaNDM-1is harbored on a novel class I integron-li...

journal_title：Antimicrobial agents and chemotherapy

authors： Du H,Chen L,Chavda KD,Pandey R,Zhang H,Xie X,Tang YW,Kreiswirth BN

更新日期：2016-03-25 00:00:00

abstract：:Pharmacokinetic modeling has often been applied to evaluate vancomycin pharmacokinetics in neonates. However, clinical application of the model-based personalized vancomycin therapy is still limited. The objective of the present study was to evaluate the clinical utility and safety of a model-based patient-tailored do...

journal_title：Antimicrobial agents and chemotherapy

authors： Leroux S,Jacqz-Aigrain E,Biran V,Lopez E,Madeleneau D,Wallon C,Zana-Taïeb E,Virlouvet AL,Rioualen S,Zhao W

更新日期：2016-03-25 00:00:00

abstract：:We conducted a retrospective study of 2,149 clinicalSalmonellastrains to help document the historical emergence of antimicrobial resistance. There were significant increases in resistance to older drugs, including ampicillin, chloramphenicol, streptomycin, sulfamethoxazole, and tetracycline, which were most common inS...

journal_title：Antimicrobial agents and chemotherapy

authors： Tadesse DA,Singh A,Zhao S,Bartholomew M,Womack N,Ayers S,Fields PI,McDermott PF

更新日期：2016-03-25 00:00:00

abstract：:Arylimidamides (AIAs) have been shown to have considerable biological activity against intracellular pathogens, includingTrypanosoma cruzi, which causes Chagas disease. In the present study, the activities of 12 novel bis-AIAs and 2 mono-AIAs against different strains ofT. cruziin vitroandin vivowere analyzed. The mos...

journal_title：Antimicrobial agents and chemotherapy

authors： Guedes-da-Silva FH,Batista DG,Meuser MB,Demarque KC,Fulco TO,Araújo JS,Da Silva PB,Da Silva CF,Patrick DA,Bakunova SM,Bakunov SA,Tidwell RR,Oliveira GM,Britto C,Moreira OC,Soeiro MN

更新日期：2016-03-25 00:00:00