Novel aminoglycoside 2''-phosphotransferase identified in a gram-negative pathogen.

abstract：:Previous studies showed an increased prevalence of human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT) thumb subdomain polymorphisms Pro272, Arg277, and Thr286 in patients failing therapy with nucleoside analogue combinations. Interestingly, wild-type HIV-1(BH10) RT contains Pro272, Arg277, and Thr2...

journal_title：Antimicrobial agents and chemotherapy

authors： Betancor G,Puertas MC,Nevot M,Garriga C,Martínez MA,Martinez-Picado J,Menéndez-Arias L

更新日期：2010-11-01 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：:Resistance to daptomycin in enterococcal clinical isolates remains rare but is being increasingly reported in the United States and worldwide. There are limited data on the genetic relatedness and microbiological and clinical characteristics of daptomycin-nonsusceptible enterococcal clinical isolates. In this study, w...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang G,Kamalakaran S,Dhand A,Huang W,Ojaimi C,Zhuge J,Yee LL,Mayigowda P,Surendraiah PK,Dimitrova N,Fallon JT

更新日期：2014-08-01 00:00:00

abstract：:Vibrio cholerae strains of serogroups O1 and O139, the causative agents of the diarrheal illness cholera, express a single polar flagellum powered by sodium motive force and require motility to colonize and spread along the small intestine. In a previous study, we described a high-throughput assay for screening for sm...

journal_title：Antimicrobial agents and chemotherapy

authors： Wang H,Zhang L,Silva AJ,Benitez JA

更新日期：2013-08-01 00:00:00

abstract：:In enterobacteria, the ampG gene encodes a transmembrane protein (permease) that transports 1,6-GlcNAc-anhydro-MurNAc and the 1,6-GlcNAc-anhydro-MurNAc peptide from the periplasm to the cytoplasm, which serve as signal molecules for the induction of ampC β-lactamase. The role of AmpG as a transporter is also essential...

journal_title：Antimicrobial agents and chemotherapy

authors： Zhang Y,Bao Q,Gagnon LA,Huletsky A,Oliver A,Jin S,Langaee T

更新日期：2010-11-01 00:00:00

abstract：:We use kinetic models to investigate how to design antimicrobial phage therapies to minimize emergence of resistant bacteria. We do this by modifying the "mutant selection window" hypothesis in a way that accounts for the ongoing self-replication of the phage. We show that components of combination phage therapies nee...

journal_title：Antimicrobial agents and chemotherapy

authors： Cairns BJ,Payne RJ

更新日期：2008-12-01 00:00:00

abstract：:Human cryptococcosis can occur as a primary or opportunistic infection and develops as an acute, subacute, or chronic systemic infection involving different organs of the host. Given the limited therapeutic options and the occasional resistance to fluconazole, there is a need to develop novel drugs for the treatment o...

journal_title：Antimicrobial agents and chemotherapy

authors： Sá NP,Lima CM,Lino CI,Barbeira PJS,Baltazar LM,Santos DA,Oliveira RB,Mylonakis E,Fuchs BB,Johann S

更新日期：2017-07-25 00:00:00

abstract：:It was previously found that certain nonnucleoside reverse transcriptase inhibitors (NNRTI) possess virucidal activity against human immunodeficiency virus type 1 (HIV-1), and it was suggested that the tight-binding mode of inhibition of reverse transcriptase might be important for this virucidal activity (Borkow et a...

journal_title：Antimicrobial agents and chemotherapy

authors： Motakis D,Parniak MA

更新日期：2002-06-01 00:00:00

abstract：:An agar dilution method was employed to test the susceptibility of 12 strains of Coccidioides immitis to polymyxin B (PB). After 3 days of incubation, eight strains were markedly inhibited by 5.0 mug of PB per ml and four strains did not grow. PB at 10 mug/ml inhibited the growth of all strains through 20 days of incu...

journal_title：Antimicrobial agents and chemotherapy

authors： Collins MS,Pappagianis D

更新日期：1976-08-01 00:00:00

abstract：:Systemic candidiasis is a leading cause of nosocomial bloodstream infection with a high mortality rate despite treatment. Immune-based strategies are needed to improve outcomes. We previously reported that genetic deficiency in the chemokine receptor CCR1 improves survival and ameliorates tissue damage in Candida-infe...

journal_title：Antimicrobial agents and chemotherapy

authors： Lionakis MS,Albert ND,Swamydas M,Lee CR,Loetscher P,Kontoyiannis DP

更新日期：2017-02-23 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：:Pentamidine is a second-line agent in the treatment of leishmaniasis whose mode of action and resistance mechanism are not well understood. In this work, we show that the intracellular ABC protein PRP1 (pentamidine resistance protein 1) (ABCC7) can confer resistance to pentamidine in Leishmania sp. parasites in the in...

journal_title：Antimicrobial agents and chemotherapy

authors： Coelho AC,Messier N,Ouellette M,Cotrim PC

更新日期：2007-08-01 00:00:00

abstract：:The activity of penicillin, alone and in combination with sulbactam, against a heterogeneously methicillin-resistant, penicillinase-producing clinical isolate of Staphylococcus aureus and its penicillinase-negative derivative was investigated in vitro and in a rabbit experimental endocarditis model. Penicillin was sig...

journal_title：Antimicrobial agents and chemotherapy

authors： Fantin B,Pierre J,Castéla-Papin N,Saint-Julien L,Drugeon H,Farinotti R,Carbon C

更新日期：1996-05-01 00:00:00

abstract：:A new natural TEM derivative with extended-spectrum beta-lactamase activity, TEM-134, was identified in a ceftazidime-resistant clinical isolate of Citrobacter koseri. Compared to TEM-1, TEM-134 contains the following mutations: Q39K, E104K, R164H, and G238S. The bla(TEM-134) gene was not transferable by conjugation a...

journal_title：Antimicrobial agents and chemotherapy

authors： Perilli M,Mugnaioli C,Luzzaro F,Fiore M,Stefani S,Rossolini GM,Amicosante G

更新日期：2005-04-01 00:00:00

abstract：:The effects of cefodizime and cefuroxime on neutrophil phagocytosis and reactive oxygen production in 54 patients undergoing elective coronary artery bypass grafting were studied. Both drugs were administered twice at a dosage of 40 mg/kg of body weight (pre- and intraoperative). Phagocytic capacity was assessed by me...

journal_title：Antimicrobial agents and chemotherapy

authors： Wenisch C,Bartunek A,Zedtwitz-Liebenstein K,Hiesmayr M,Parschalk B,Pernerstorfer T,Graninger W

更新日期：1997-07-01 00:00:00

abstract：:Curcumin, a principal component of turmeric, acts as an immunomodulator regulating the host defenses in response to a diseased condition. The role of curcumin in controlling certain infectious diseases is highly controversial. It is known to alleviate symptoms of Helicobacter pylori infection and exacerbate that of Le...

journal_title：Antimicrobial agents and chemotherapy

authors： Marathe SA,Sen M,Dasgupta I,Chakravortty D

更新日期：2012-11-01 00:00:00

abstract：:Combining voriconazole and flucloxacillin is indicated in patient cohorts experiencing both invasive aspergillosis and Gram-positive infections (e.g., patients with chronic granulomatous disease or postinfluenza pulmonary aspergillosis). We report a highly relevant interaction between voriconazole and flucloxacillin, ...

journal_title：Antimicrobial agents and chemotherapy

authors： Muilwijk EW,Dekkers BGJ,Henriet SSV,Verweij PE,Witjes B,Lashof AMLO,Groeneveld GH,van der Hoeven J,Alffenaar JWC,Russel FGM,van de Veerdonk F,Brüggemann RJM

更新日期：2017-08-24 00:00:00

abstract：:Thirty-five strains of Pasteurella multocida from humans and animals were tested for susceptibility to five cephalosporins by a broth dilution method. Cefcanel showed high activity against all isolates (MIC and MBC, less than or equal to 0.64 micrograms/ml). The corresponding figure for cefaclor and cefuroxime was 2.5...

journal_title：Antimicrobial agents and chemotherapy

authors： Holst E,Rollof J,Miörner H

更新日期：1989-12-01 00:00:00

abstract：:We describe here the in vitro activities of azithromycin, clarithromycin, minocycline, or tigecycline alone and in combination with amphotericin B, itraconazole, terbinafine, voriconazole, anidulafungin, caspofungin, or micafungin against 30 isolates of the oomycete Pythium insidiosum. The assays were based on the CLS...

journal_title：Antimicrobial agents and chemotherapy

authors： Jesus FP,Ferreiro L,Loreto ÉS,Pilotto MB,Ludwig A,Bizzi K,Tondolo JS,Zanette RA,Alves SH,Santurio JM

更新日期：2014-09-01 00:00:00

abstract：:Mycobacterium chimaera is a slow-growing nontuberculous Mycobacterium species belonging to the Mycobacterium avium complex (MAC). It has been identified globally as the cause of a large outbreak of cardiovascular infections following open heart surgery, but it can also cause respiratory infections in individuals with ...

journal_title：Antimicrobial agents and chemotherapy

authors： Mok S,Hannan MM,Nölke L,Stapleton P,O'Sullivan N,Murphy P,McLaughlin AM,McNamara E,Fitzgibbon MM,Rogers TR

更新日期：2019-08-23 00:00:00

abstract：:The nucleotide phosphonates cidofovir (CDV) and cyclic cidofovir (cCDV) are potent antiviral compounds when administered parenterally but are not well absorbed orally. These compounds have been reported to have activity against orthopoxvirus replication in vitro and in animal models when administered parenterally or b...

journal_title：Antimicrobial agents and chemotherapy

authors： Kern ER,Hartline C,Harden E,Keith K,Rodriguez N,Beadle JR,Hostetler KY

更新日期：2002-04-01 00:00:00

abstract：:Ninety-two strains of Yersinia pestis recovered over a 21-year period were evaluated for susceptibility to traditional and newer antimicrobial agents. In vitro resistance was noted only against rifampin and imipenem (approximately 20% of strains). The most active compounds (MIC at which 90% of the isolates tested are ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wong JD,Barash JR,Sandfort RF,Janda JM

更新日期：2000-07-01 00:00:00

abstract：:We report the identification of a carbapenem-resistant, hypervirulent Klebsiella pneumoniae (hvKp) strain which produced the carbapenemase VIM-1. Genomic analysis showed that the strain belonged to sequence type ST23 and serotype K1, a major hvKp clone, and harbored three resistance-encoding plasmids. Among them, a bl...

journal_title：Antimicrobial agents and chemotherapy

authors： Dong N,Sun Q,Huang Y,Shu L,Ye L,Zhang R,Chen S

更新日期：2019-08-23 00:00:00

abstract：:The in vitro activities of seven fluoroquinolones against 290 anaerobes were determined by agar dilution. CI-960 and WIN 57273 inhibited greater than 95% of the strains at less than or equal to 2 micrograms/ml. CI-990 required less than or equal to 16 micrograms/ml. Clustering around 2 to 4 micrograms/ml was noted for...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein EJ,Citron DM

更新日期：1992-05-01 00:00:00

abstract：:We determined whether gyrA mutations were present in fluoroquinolone-resistant laboratory mutants derived from the Bacteroides fragilis reference strain ATCC 25285 and in clinical isolates of B. fragilis. The two first-step mutants selected on ciprofloxacin (CIP) were devoid of gyrA mutations, whereas two of the three...

journal_title：Antimicrobial agents and chemotherapy

authors： Bachoual R,Dubreuil L,Soussy CJ,Tankovic J

更新日期：2000-07-01 00:00:00

abstract：:Viomycin-resistant strains isolated from Mycobacterium smegmatis demonstrated pleiotropic resistance to tuberactinomycin-N, capreomycin, streptomycin, and kanamycin as a result of mutational alteration of ribosomes, even though they were selected for resistance to a single antibiotic. The pleiotropic drug resistance o...

journal_title：Antimicrobial agents and chemotherapy

authors： Yamada T,Masuda K,Shoji K,Hori M

更新日期：1974-07-01 00:00:00

abstract：:Histoplasmosis is a severe infection that affects millions of patients worldwide and is endemic in the Americas. Amphotericin B (AMB) and itraconazole are highly effective for the treatment of severe and milder forms of the disease, but AMB is toxic, and the bioavailability of itraconazole is erratic. Therefore, it is...

journal_title：Antimicrobial agents and chemotherapy

authors： de Aguiar Cordeiro R,de Farias Marques FJ,de Aguiar Cordeiro R,da Silva MR,Donato Maia Malaquias A,Silva de Melo CV,Mafezoli J,Ferreira de Oliveira Mda C,Nogueira Brilhante RS,Gadelha Rocha MF,Pinheiro Gomes Bandeira Tde J,Costa Si

更新日期：2014-05-01 00:00:00

abstract：:TEM-1 hyperproduction in two ampicillin-sulbactam-resistant Shigella flexneri strains was studied. In both strains the blaTEM gene was encoded as a single copy on a large conjugatively transferable plasmid. A single G-->T transversion at position 1 of the -10 consensus sequence was identified to be the mechanism of TE...

journal_title：Antimicrobial agents and chemotherapy

authors： Siu LK,Ho PL,Yuen KY,Wong SS,Chau PY

更新日期：1997-02-01 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：:Twelve straight-chain esters, C(5) to C(14), C(16), and C(18), of p-hydroxybenzoic acid were prepared, and their melting points, solubilities in water at 25 degrees C, infrared spectra, dissociation constants (pK(a)), and activities against Clostridium botulinum were determined. These studies also included four commer...

journal_title：Antimicrobial agents and chemotherapy

authors： Dymicky M,Huhtanen CN

更新日期：1979-06-01 00:00:00