abstract：:The resistance-nodulation-division (RND)-type efflux pump is one of the causes of the multidrug resistance of Stenotrophomonas maltophilia. The roles of the RND-type efflux pump in physiological functions and virulence, in addition to antibiotic extrusion, have attracted much attention. In this study, the contribution...

journal_title：Antimicrobial agents and chemotherapy

authors： Lin YT,Huang YW,Chen SJ,Chang CW,Yang TC

更新日期：2015-07-01 00:00:00

abstract：:Targeting dormant Mycobacterium tuberculosis represents a challenge to antituberculosis drug discovery programs. We previously reported and validated the use of the streptomycin (STR)-dependent M. tuberculosis 18b strain as a tool for assessing drug potency against nonreplicating bacteria both in vitro and in vivo. In...

journal_title：Antimicrobial agents and chemotherapy

authors： Vocat A,Hartkoorn RC,Lechartier B,Zhang M,Dhar N,Cole ST,Sala C

更新日期：2015-07-01 00:00:00

abstract：:Seventy-two A. fumigatus clinical isolates from China were investigated for azole resistance based on mutations of cyp51A. We identified four azole-resistant strains, among which we found three strains highly resistant to itraconazole, two of which exhibit the TR34/L98H/S297T/F495I mutation, while one carries only the...

journal_title：Antimicrobial agents and chemotherapy

authors： Liu M,Zeng R,Zhang L,Li D,Lv G,Shen Y,Zheng H,Zhang Q,Zhao J,Zheng N,Liu W

更新日期：2015-07-01 00:00:00

abstract：:Yersinia pestis is the etiologic agent of the plague. Reports of Y. pestis strains that are resistant to each of the currently approved first-line and prophylactic treatments point to the urgent need to develop novel antibiotics with activity against the pathogen. We previously reported that Y. pestis strain KIM6+, un...

journal_title：Antimicrobial agents and chemotherapy

authors： Steed DB,Liu J,Wasbrough E,Miller L,Halasohoris S,Miller J,Somerville B,Hershfield JR,Romesberg FE

更新日期：2015-07-01 00:00:00

abstract：:When developing novel microbicide products for the prevention of HIV infection, the preclinical safety program must evaluate not only the active pharmaceutical ingredient but also the product itself. To that end, we applied several relatively standard toxicology study methodologies to female sheep, incorporating an as...

journal_title：Antimicrobial agents and chemotherapy

authors： Holt JD,Cameron D,Dias N,Holding J,Muntendam A,Oostebring F,Dreier P,Rohan L,Nuttall J

更新日期：2015-07-01 00:00:00

abstract：:We report the detection of PER-1 extended-spectrum β-lactamase (ESBL) in a clinical non-O1, non-O139 Vibrio cholerae strain from China. ISCR1-mediated bla(PER-1) was embedded in a complex In4 family class 1 integron belonging to the lineage of Tn1696 on a conjugative IncA/C plasmid. A free 8.98-kb circular molecule pr...

journal_title：Antimicrobial agents and chemotherapy

authors： Wu J,Xie L,Zhang F,Ni Y,Sun J

更新日期：2015-07-01 00:00:00

abstract：:The polyene antifungal amphotericin B (AmB) is widely used to treat life-threatening fungal infections. Even though AmB resistance is exceptionally rare in fungi, most Aspergillus terreus isolates exhibit an intrinsic resistance against the drug in vivo and in vitro. Heat shock proteins perform a fundamental protectiv...

journal_title：Antimicrobial agents and chemotherapy

authors： Blatzer M,Blum G,Jukic E,Posch W,Gruber P,Nagl M,Binder U,Maurer E,Sarg B,Lindner H,Lass-Flörl C,Wilflingseder D

更新日期：2015-07-01 00:00:00

abstract：:Transfer of piperaquine (PQ) into breast milk was examined in 27 Papua New Guinean women given a 3-day course of dihydroartemisinin-PQ or sulfadoxine-pyrimethamine-PQ during the second/third trimester. Breast milk was sampled on days 1, 2, 3 to 5, 7 to 11, and 14 to 17 postdelivery, a median of 70 days postdose (range...

journal_title：Antimicrobial agents and chemotherapy

authors： Moore BR,Salman S,Benjamin J,Page-Sharp M,Yadi G,Batty KT,Siba PM,Mueller I,Davis TM

更新日期：2015-07-01 00:00:00

abstract：:The increasing incidence and severity of infection by Clostridium difficile have stimulated attempts to develop new antimicrobial therapies. We report here the relative abilities of two antibiotics (metronidazole and vancomycin) in current use for treating C. difficile infection and of a third antimicrobial, surotomyc...

journal_title：Antimicrobial agents and chemotherapy

authors： Bouillaut L,McBride S,Sorg JA,Schmidt DJ,Suarez JM,Tzipori S,Mascio C,Chesnel L,Sonenshein AL

更新日期：2015-07-01 00:00:00

abstract：:Despite over 40 years of worldwide usage, relatively few data have been published on the pharmacokinetics of cefazolin in pediatric surgical patients. The primary objectives of this study were to examine the pharmacokinetics and safety of cefazolin in children 10 to 12 years of age (inclusive) receiving 1 or 2 g of ce...

journal_title：Antimicrobial agents and chemotherapy

authors： Schmitz ML,Blumer JL,Cetnarowski W,Rubino CM

更新日期：2015-07-01 00:00:00

abstract：:Here, we report that the genetic structure of Tn1331 remained conserved in Argentina from 1989 to 2013 (72 of 73 isolates), with the exception being the plasmid-borne Tn1331-like transposon Tn6238 containing a new aac(6')-Ib-cr allele recovered from a colistin-resistant Klebsiella pneumoniae clinical isolate. A bioinf...

journal_title：Antimicrobial agents and chemotherapy

authors： Quiroga MP,Orman B,Errecalde L,Kaufman S,Centrón D

更新日期：2015-05-01 00:00:00

abstract：:The objectives of this study were to investigate raltegravir transport across several blood-tissue barrier models and the potential interactions with drug efflux transporters. Raltegravir uptake, accumulation, and permeability were evaluated in vitro in (i) P-glycoprotein (P-gp), breast cancer resistance protein (BCRP...

journal_title：Antimicrobial agents and chemotherapy

authors： Hoque MT,Kis O,De Rosa MF,Bendayan R

更新日期：2015-05-01 00:00:00

abstract：:The occurrence and diversity of vancomycin-resistant Enterococcus faecium (VREF) were investigated in 100 Danish broiler flocks 15 years after the avoparcin ban. VREF occurred in 47 flocks at low fecal concentrations detectable only by selective enrichment. Vancomycin resistance was prevalently associated with a trans...

journal_title：Antimicrobial agents and chemotherapy

authors： Bortolaia V,Mander M,Jensen LB,Olsen JE,Guardabassi L

更新日期：2015-05-01 00:00:00

abstract：:Chronic periodontitis is one of the most prevalent human diseases and is caused by dysbiosis of the subgingival microbiota. Treatment involves primarily mechanical disruption of subgingival biofilms and, in certain cases, adjunctive use of systemic antibiotic therapy. In vitro biofilm models have been developed to stu...

journal_title：Antimicrobial agents and chemotherapy

authors： Soares GM,Teles F,Starr JR,Feres M,Patel M,Martin L,Teles R

更新日期：2015-05-01 00:00:00

abstract：:Azithromycin is an effective treatment for uncomplicated infections with Salmonella enterica serovar Typhi and serovar Paratyphi A (enteric fever), but there are no clinically validated MIC and disk zone size interpretative guidelines. We studied individual patient data from three randomized controlled trials (RCTs) o...

journal_title：Antimicrobial agents and chemotherapy

authors： Parry CM,Thieu NT,Dolecek C,Karkey A,Gupta R,Turner P,Dance D,Maude RR,Ha V,Tran CN,Thi PL,Be BP,Phi LT,Ngoc RN,Ghose A,Dongol S,Campbell JI,Thanh DP,Thanh TH,Moore CE,Sona S,Gaind R,Deb M,Anh HV,Van SN,

更新日期：2015-05-01 00:00:00

abstract：:Viridans group streptococci (VGS) are part of the normal flora that may cause bacteremia, often leading to endocarditis. We evaluated daptomycin against four clinical strains of VGS (MICs = 1 or 2 μg/ml) using an in vitro-simulated endocardial vegetation model, a simulated bacteremia model, and kill curves. Daptomycin...

journal_title：Antimicrobial agents and chemotherapy

authors： Akins RL,Katz BD,Monahan C,Alexander D

更新日期：2015-04-01 00:00:00

abstract：:Ethambutol (EMB) plays a pivotal role in the chemotherapy of drug-resistant tuberculosis (TB), including multidrug-resistant tuberculosis (MDR-TB). Resistance to EMB is considered to be caused by mutations in the embCAB operon (embC, embA, and embB). In this study, we analyzed the embCAB mutations among 139 MDR-TB iso...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhao LL,Sun Q,Liu HC,Wu XC,Xiao TY,Zhao XQ,Li GL,Jiang Y,Zeng CY,Wan KL

更新日期：2015-04-01 00:00:00

abstract：:Eravacycline is a fluorocycline antibiotic in phase 3 clinical development for complicated intra-abdominal and urinary tract infections. To support its clinical development, a study was conducted to evaluate the effects of various susceptibility test parameters on the MIC values for aerobic bacteria. The results showe...

journal_title：Antimicrobial agents and chemotherapy

authors： Grossman TH,Pillar CM,Sahm DF,Sutcliffe JA

更新日期：2015-04-01 00:00:00

abstract：:The macrolide resistance gene erm(T) was identified for the first time in a porcine Erysipelothrix rhusiopathiae isolate from swine in China. The novel 3,749-bp small plasmid pER29, which carries erm(T), had a G+C content of 31% and four distinct open reading frames. The presence of pER29 increased by at least 128-fol...

journal_title：Antimicrobial agents and chemotherapy

authors： Xu CW,Zhang AY,Yang CM,Pan Y,Guan ZB,Lei CW,Peng LY,Li QZ,Wang HN

更新日期：2015-04-01 00:00:00

abstract：:One way to speed up the TB drug discovery process is to search for antitubercular activity among compound series that already possess some of the key properties needed in anti-infective drug discovery, such as whole-cell activity and oral absorption. Here, we present MGIs, a new series of Mycobacterium tuberculosis gy...

journal_title：Antimicrobial agents and chemotherapy

authors： Blanco D,Perez-Herran E,Cacho M,Ballell L,Castro J,González Del Río R,Lavandera JL,Remuiñán MJ,Richards C,Rullas J,Vázquez-Muñiz MJ,Woldu E,Zapatero-González MC,Angulo-Barturen I,Mendoza A,Barros D

更新日期：2015-04-01 00:00:00

abstract：:In vitro susceptibilities to 45 antibiotics were determined for 30 genetically and geographically diverse strains of Yersinia pestis by the broth microdilution method at two temperatures, 28°C and 35°C, following Clinical and Laboratory Standards Institute (CLSI) methods. The Y. pestis strains demonstrated susceptibil...

journal_title：Antimicrobial agents and chemotherapy

authors： Heine HS,Hershfield J,Marchand C,Miller L,Halasohoris S,Purcell BK,Worsham PL

更新日期：2015-04-01 00:00:00

abstract：:The discovery of quorum-sensing (QS) systems regulating antibiotic resistance and virulence factors (VFs) has afforded a novel opportunity to prevent bacterial pathogenicity. Dietary molecules have been demonstrated to attenuate QS circuits of bacteria. But, to our knowledge, no study exploring the potential of colost...

journal_title：Antimicrobial agents and chemotherapy

authors： Srivastava A,Singh BN,Deepak D,Rawat AK,Singh BR

更新日期：2015-04-01 00:00:00

abstract：:A pyridodiazepine amine inhibitor of Helicobacter pylori glutamate racemase (MurI) was characterized. The compound was selectively active against H. pylori, and growth suppression was shown to be mediated through the inhibition of MurI by several methods. In killing kinetics experiments, the compound showed concentrat...

journal_title：Antimicrobial agents and chemotherapy

authors： de Jonge BL,Kutschke A,Newman JV,Rooney MT,Yang W,Cederberg C

更新日期：2015-04-01 00:00:00

abstract：:Mycobacterium kansasii is the second most common mycobacterial cause of lung disease. Standard treatment consists of rifampin, isoniazid, and ethambutol for at least 12 months after negative sputum. Thus, shorter-duration therapies are needed. Moxifloxacin has good MICs for M. kansasii. However, good preclinical model...

journal_title：Antimicrobial agents and chemotherapy

authors： Srivastava S,Pasipanodya J,Sherman CM,Meek C,Leff R,Gumbo T

更新日期：2015-04-01 00:00:00

abstract：:Previous studies indicated that inhibition of efflux pumps augments tuberculosis therapy. In this study, we used timcodar (formerly VX-853) to determine if this efflux pump inhibitor could increase the potency of antituberculosis (anti-TB) drugs against Mycobacterium tuberculosis in in vitro and in vivo combination st...

journal_title：Antimicrobial agents and chemotherapy

authors： Grossman TH,Shoen CM,Jones SM,Jones PL,Cynamon MH,Locher CP

更新日期：2015-03-01 00:00:00

abstract：:The antimicrobial treatment of multidrug-resistant (MDR) Acinetobacter baumannii infections has become a great challenge for medical staff all over the world. Increasing numbers of MDR A. baumannii infections have been identified and reported, but effective clinical treatments for them are decreasing. The objective of...

journal_title：Antimicrobial agents and chemotherapy

authors： Bai Y,Liu B,Wang T,Cai Y,Liang B,Wang R,Liu Y,Wang J

更新日期：2015-03-01 00:00:00

abstract：:For the first time, we report the whole-genome sequence analysis of Chryseobacterium oranimense G311, a multidrug-resistant bacterium, from a cystic fibrosis patient in France, including resistance to colistin. Whole-genome sequencing of C. oranimense G311 was performed using Ion Torrent PGM, and RAST, the EMBL-EBI se...

journal_title：Antimicrobial agents and chemotherapy

authors： Sharma P,Gupta SK,Diene SM,Rolain JM

更新日期：2015-03-01 00:00:00

abstract：:VX-787 is a novel inhibitor of influenza virus replication that blocks the PB2 cap-snatching activity of the influenza viral polymerase complex. Viral genetics and X-ray crystallography studies provide support for the idea that VX-787 occupies the 7-methyl GTP (m(7)GTP) cap-binding site of PB2. VX-787 binds the cap-bi...

journal_title：Antimicrobial agents and chemotherapy

authors： Byrn RA,Jones SM,Bennett HB,Bral C,Clark MP,Jacobs MD,Kwong AD,Ledeboer MW,Leeman JR,McNeil CF,Murcko MA,Nezami A,Perola E,Rijnbrand R,Saxena K,Tsai AW,Zhou Y,Charifson PS

更新日期：2015-03-01 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：:Pharmaceutical differences between the reference listed drug (RLD) and generic formulations of piperacillin-tazobactam may impact the reconstitution process for intravenous administration. This study evaluated the RLD against three generic formulations and measured their reconstitution times using a standardized proce...

journal_title：Antimicrobial agents and chemotherapy

authors： Zheng H,Truong J,Carroll F,Pai MP

更新日期：2015-03-01 00:00:00

abstract：:Respiratory syncytial virus (RSV) is the leading cause of acute lower respiratory tract infections in young children and other high-risk populations. RSV nucleoprotein (N) is essential for virus assembly and replication as part of the viral ribonucleoprotein (RNP) complex. RSV604 was a putative N inhibitor in phase 2 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Challa S,Scott AD,Yuzhakov O,Zhou Y,Tiong-Yip CL,Gao N,Thresher J,Yu Q

更新日期：2015-02-01 00:00:00

abstract：:Bacterial resistance studies using in vitro dynamic models are highly dependent on the starting inoculum that might or might not contain spontaneously resistant mutants (RMs). To delineate concentration-resistance relationships with linezolid-exposed Staphylococcus aureus, a mixed inoculum containing both susceptible ...

journal_title：Antimicrobial agents and chemotherapy

authors： Firsov AA,Golikova MV,Strukova EN,Portnoy YA,Romanov AV,Edelstein MV,Zinner SH

更新日期：2015-02-01 00:00:00

abstract：:Current antimalarials are under continuous threat due to the relentless development of drug resistance by malaria parasites. We previously reported promising in vitro parasite-killing activity with the histone methyltransferase inhibitor BIX-01294 and its analogue TM2-115. Here, we further characterize these diaminoqu...

journal_title：Antimicrobial agents and chemotherapy

authors： Malmquist NA,Sundriyal S,Caron J,Chen P,Witkowski B,Menard D,Suwanarusk R,Renia L,Nosten F,Jiménez-Díaz MB,Angulo-Barturen I,Santos Martínez M,Ferrer S,Sanz LM,Gamo FJ,Wittlin S,Duffy S,Avery VM,Ruecker A,Delves MJ

更新日期：2015-02-01 00:00:00

abstract：:The aim of this analysis was to identify therapeutic micafungin regimens for children that produce the same micafungin exposures known to be effective for the prevention and treatment of Candida infections in adults. Pediatric pharmacokinetic data from 229 patients between the ages of 4 months and <17 years were obtai...

journal_title：Antimicrobial agents and chemotherapy

authors： Hope WW,Kaibara A,Roy M,Arrieta A,Azie N,Kovanda LL,Benjamin DK Jr

更新日期：2015-02-01 00:00:00

abstract：:During HIV-1 reverse transcription, there are increasing opportunities for nucleos(t)ide (NRTI) or nonnucleoside (NNRTI) reverse transcriptase (RT) inhibitors to stop elongation of the nascent viral DNA (vDNA). In addition, RT inhibitors appear to influence the kinetics of vDNA synthesis differently. While cell-free k...

journal_title：Antimicrobial agents and chemotherapy

authors： Abram ME,Tsiang M,White KL,Callebaut C,Miller MD

更新日期：2015-02-01 00:00:00

abstract：:Dengue fever is a severe, widespread, and neglected disease with more than 2 million diagnosed infections per year. The dengue virus NS2B/NS3 protease (PR) represents a prime target for rational drug design. At the moment, there are no clinical PR inhibitors (PIs) available. We have identified diaryl (thio)ethers as c...

journal_title：Antimicrobial agents and chemotherapy

authors： Wu H,Bock S,Snitko M,Berger T,Weidner T,Holloway S,Kanitz M,Diederich WE,Steuber H,Walter C,Hofmann D,Weißbrich B,Spannaus R,Acosta EG,Bartenschlager R,Engels B,Schirmeister T,Bodem J

更新日期：2015-02-01 00:00:00

abstract：:Epidemiological data on carbapenemase-producing Gram-negative bacteria on the African continent are limited. Here, we report the identification of VIM-2-producing Pseudomonas aeruginosa isolates in Tanzania. Eight out of 90 clinical isolates of P. aeruginosa from a tertiary care hospital in Dar es Salaam were shown to...

journal_title：Antimicrobial agents and chemotherapy

authors： Moyo S,Haldorsen B,Aboud S,Blomberg B,Maselle SY,Sundsfjord A,Langeland N,Samuelsen Ø

更新日期：2015-01-01 00:00:00

abstract：:We previously reported the development of a prototype antibiotic sensitivity assay to detect drug-resistant Mycobacterium tuberculosis using infection by mycobacteriophage to create a novel nucleic acid transcript, a surrogate marker of mycobacterial viability, detected by reverse transcriptase PCR (M. C. Mulvey et al...

journal_title：Antimicrobial agents and chemotherapy

authors： Mulvey MC,Lemmon M,Rotter S,Lees J,Einck L,Nacy CA

更新日期：2015-01-01 00:00:00

abstract：:Biofilms are complex communities of microorganisms that attach to surfaces and are embedded in a self-produced extracellular matrix. Since these cells acquire increased tolerance against antimicrobial agents and host immune systems, biofilm-associated infectious diseases tend to become chronic. We show here that the m...

journal_title：Antimicrobial agents and chemotherapy

authors： Arita-Morioka K,Yamanaka K,Mizunoe Y,Ogura T,Sugimoto S

更新日期：2015-01-01 00:00:00

abstract：:Doravirine (DOR, formerly known as MK-1439) is a human immunodeficiency type 1 virus (HIV-1) nonnucleoside reverse transcriptase inhibitor (NNRTI) that is currently in phase 2b clinical trials. In vitro resistance selection of subtype B virus (MT4-green fluorescent protein [GFP] cells), as well as subtype A and C viru...

journal_title：Antimicrobial agents and chemotherapy

authors： Feng M,Wang D,Grobler JA,Hazuda DJ,Miller MD,Lai MT

更新日期：2015-01-01 00:00:00