Overexpression and characterization of the chromosomal aminoglycoside 2'-N-acetyltransferase of Providencia stuartii.

abstract：:LCB01-0371 is a new oxazolidinone with cyclic amidrazone. In vitro activity of LCB01-0371 against 624 clinical isolates was evaluated and compared with those of linezolid, vancomycin, and other antibiotics. LCB01-0371 showed good activity against Gram-positive pathogens. In vivo activity of LCB01-0371 against systemic...

journal_title：Antimicrobial agents and chemotherapy

authors： Jeong JW,Jung SJ,Lee HH,Kim YZ,Park TK,Cho YL,Chae SE,Baek SY,Woo SH,Lee HS,Kwak JH

更新日期：2010-12-01 00:00:00

abstract：:Doripenem, a parenteral carbapenem, exhibited high affinity for penicillin-binding protein 2 (PBP2) and PBP3 in Pseudomonas aeruginosa and PBP2 in Escherichia coli, the primary PBPs whose inhibition leads to cell death. This PBP affinity profile correlates with the broad-spectrum gram-negative activity observed with d...

journal_title：Antimicrobial agents and chemotherapy

authors： Davies TA,Shang W,Bush K,Flamm RK

更新日期：2008-04-01 00:00:00

abstract：:Antimalarial 9-anilinoacridines are potent inhibitors of parasite DNA topoisomerase II both in vitro and in situ. 3,6-diamino substitution on the acridine ring greatly improves parasiticidal activity against Plasmodium falciparum by targeting DNA topoisomerase II. A series of 9-anilinoacridines were investigated for t...

journal_title：Antimicrobial agents and chemotherapy

authors： Auparakkitanon S,Noonpakdee W,Ralph RK,Denny WA,Wilairat P

更新日期：2003-12-01 00:00:00

abstract：:Tiacumicins B and C are members of a novel group of 18-membered macrolide antibiotics with in vitro activity against Clostridium difficile. The MICs against 15 strains of C. difficile were 0.12 to 0.25 microgram/ml for tiacumicin B, 0.25 to 1 microgram/ml for tiacumicin C, and 0.5 to 1 microgram/ml for vancomycin. The...

journal_title：Antimicrobial agents and chemotherapy

authors： Swanson RN,Hardy DJ,Shipkowitz NL,Hanson CW,Ramer NC,Fernandes PB,Clement JJ

更新日期：1991-06-01 00:00:00

abstract：:Six tetraoxanes had 50% inhibitory concentrations in the range of 10 to 100 ng/ml against Plasmodium falciparum, whereas the corresponding hexaoxonanes had minimal antimalarial activity. The lack of iron-mediated reactivity of the hexaoxonanes may explain their low activity compared to the tetraoxanes, the latter of w...

journal_title：Antimicrobial agents and chemotherapy

authors： Dong Y,Creek D,Chollet J,Matile H,Charman SA,Wittlin S,Wood JK,Vennerstrom JL

更新日期：2007-08-01 00:00:00

abstract：:Human respiratory syncytial virus (RSV), a paramyxovirus, is a major cause of acute upper and lower respiratory tract infections in infants, young children, and adults. RFI-641 is a novel anti-RSV agent with potent in vitro and in vivo activity. RFI-641 is active against both RSV type A and B strains. The viral specif...

journal_title：Antimicrobial agents and chemotherapy

authors： Huntley CC,Weiss WJ,Gazumyan A,Buklan A,Feld B,Hu W,Jones TR,Murphy T,Nikitenko AA,O'Hara B,Prince G,Quartuccio S,Raifeld YE,Wyde P,O'Connell JF

更新日期：2002-03-01 00:00:00

abstract：:Two multidrug-resistant (MDR) mcr-1-harboring Klebsiella pneumoniae isolates from patients with urinary tract infections and one MDR Klebsiella quasipneumoniae isolate from a patient with bloodstream infection were identified to carry tmexCD1-toprJ1 The addition of the efflux pump inhibitor reduced the tigecycline MIC...

journal_title：Antimicrobial agents and chemotherapy

authors： He R,Yang Y,Wu Y,Zhong LL,Yang Y,Chen G,Qin M,Liang X,Ahmed MAEE,Lin M,Yan B,Xia Y,Dai M,Chen H,Tian GB

更新日期：2021-01-20 00:00:00

abstract：:NK-2, a membrane-acting antimicrobial peptide, was derived from the cationic core region of porcine NK-lysin and consists of 27 amino acid residues. It adopts an amphipathic, alpha-helical secondary structure and has been shown to interact specifically with membranes of negatively charged lipids. We therefore investig...

journal_title：Antimicrobial agents and chemotherapy

authors： Andrä J,Koch MH,Bartels R,Brandenburg K

更新日期：2004-05-01 00:00:00

abstract：:Caseinomacropeptide (CMP) is a heterogeneous C-terminal fragment (residues 106 to 169) of bovine milk kappa-casein composed of glycosylated and phosphorylated forms of different genetic variants. We have demonstrated that CMP has growth-inhibitory activity against the oral opportunistic pathogens Streptococcus mutans ...

journal_title：Antimicrobial agents and chemotherapy

authors： Malkoski M,Dashper SG,O'Brien-Simpson NM,Talbo GH,Macris M,Cross KJ,Reynolds EC

更新日期：2001-08-01 00:00:00

abstract：:We examined the cerebrospinal fluid penetration of daptomycin after the addition of dexamethasone and its bactericidal efficacy with and without ceftriaxone in an experimental rabbit model of pneumococcal meningitis. The combination of daptomycin with ceftriaxone was the most efficacious regimen for pneumococcal menin...

journal_title：Antimicrobial agents and chemotherapy

authors： Egermann U,Stanga Z,Ramin A,Acosta F,Stucki A,Gerber P,Cottagnoud M,Cottagnoud P

更新日期：2009-07-01 00:00:00

abstract：:The emergence of human immunodeficiency virus type 1 (HIV-1) strains resistant to highly active antiretroviral therapy necessitates continued drug discovery for the treatment of HIV-1 infection. Most current drug discovery strategies focus upon a single aspect of HIV-1 replication. A virus-cell-based assay, which can ...

journal_title：Antimicrobial agents and chemotherapy

authors： Adelson ME,Pacchia AL,Kaul M,Rando RF,Ron Y,Peltz SW,Dougherty JP

更新日期：2003-02-01 00:00:00

abstract：:Ethambutol (EMB) is a major component of the first-line therapy of tuberculosis. Mutations in codon 306 of embB (embB306) were suggested as a major resistance mechanism in clinical isolates. To directly analyze the impact of individual embB306 mutations on EMB resistance, we used allelic exchange experiments to genera...

journal_title：Antimicrobial agents and chemotherapy

authors： Plinke C,Walter K,Aly S,Ehlers S,Niemann S

更新日期：2011-06-01 00:00:00

abstract：:The role of linezolid in empirical therapy of suspected bacteremia remains unclear. The aim of this study was to evaluate the influence of empirical use of linezolid or glycopeptides in addition to other antibiotics on the 30-day mortality rates in patients with Gram-negative bacteremia. For this purpose, 1,126 patien...

journal_title：Antimicrobial agents and chemotherapy

authors： Ternavasio-de la Vega HG,Mateos-Díaz AM,Martinez JA,Almela M,Cobos-Trigueros N,Morata L,De-la-Calle C,Sala M,Mensa J,Marcos M,Soriano A

更新日期：2014-12-01 00:00:00

abstract：:The cattle trypanocide, isometamidium, was readily taken up by inactivated Trypanosoma brucei, while its uptake by living parasites was reduced or inhibited by plasma. In both respects isometamidium differs from diminazene. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Girgis-Takla P,James DM

更新日期：1974-09-01 00:00:00

abstract：:Mining existing agents that enhance the therapeutic potential of ergosterol biosynthesis inhibitors (EBI) is a promising approach to improve Chagas disease chemotherapy. In this study, we evaluated the effect of ravuconazole, an EBI, combined with amlodipine, a calcium channel blocker, upon Trypanosoma cruzi experimen...

journal_title：Antimicrobial agents and chemotherapy

authors： Machado YA,Bahia MT,Caldas IS,Mazzeti AL,Novaes RD,Vilas Boas BR,Santos LJS,Martins-Filho OA,Marques MJ,Diniz LF

更新日期：2020-07-22 00:00:00

abstract：:We developed a multiplex PCR assay capable of identifying two capsular polysaccharide synthesis sequence types (sequence type 258 [ST258] cps-1 and cps-2) in epidemic Klebsiella pneumoniae ST258 strains. The assay performed with excellent sensitivity (100%) and specificity (100%) for identifying cps types in 60 ST258 ...

journal_title：Antimicrobial agents and chemotherapy

authors： Chen L,Chavda KD,Findlay J,Peirano G,Hopkins K,Pitout JD,Bonomo RA,Woodford N,DeLeo FR,Kreiswirth BN

更新日期：2014-07-01 00:00:00

abstract：:Encephalomyocarditis virus (EMCV), like hepatitis C virus (HCV), requires phosphatidylinositol 4-kinase IIIα (PI4KA) for genome replication. Here, we demonstrate that tyrphostin AG1478, a known epidermal growth factor receptor (EGFR) inhibitor, also inhibits PI4KA activity, both in vitro and in cells. AG1478 impaired ...

journal_title：Antimicrobial agents and chemotherapy

authors： Dorobantu CM,Harak C,Klein R,van der Linden L,Strating JR,van der Schaar HM,Lohmann V,van Kuppeveld FJ

更新日期：2016-09-23 00:00:00

abstract：:We investigated the minimum exposure times of prazicuantel (PZQ) and albendazole sulfoxide (ABZSO) required for their activities against Taenia cysts in vitro as well as the 50 and 99% effective concentrations. The results showed that although the effects of both drugs are time and concentration dependent, ABZSO acts ...

journal_title：Antimicrobial agents and chemotherapy

authors： Palomares F,Palencia G,Pérez R,González-Esquivel D,Castro N,Cook HJ

更新日期：2004-06-01 00:00:00

abstract：:Both ampicillin and cefuroxime therapy of neonates selected drug- and species-dependent beta-lactam resistance patterns in fecal strains of Escherichia coli and Klebsiella spp. This was in contrast to our previous findings that ampicillin, but not cefuroxime, contributed to the emergence of beta-lactam resistance also...

journal_title：Antimicrobial agents and chemotherapy

authors： Tullus K,Berglund B,Burman LG

更新日期：1990-02-01 00:00:00

abstract：:This study investigates the role of active efflux system MexXY in the emergence of aminoglycoside (AG) resistance among cystic fibrosis (CF) isolates of Pseudomonas aeruginosa. Three genotypically related susceptible and resistant (S/R) bacterial pairs and three other AG-resistant CF strains were compared to four non-...

journal_title：Antimicrobial agents and chemotherapy

authors： Vogne C,Aires JR,Bailly C,Hocquet D,Plésiat P

更新日期：2004-05-01 00:00:00

abstract：:There are conflicting data on the association of vancomycin MIC (VAN-MIC) with treatment outcomes in Staphylococcus aureus infections. We investigated the relationship between high VAN-MIC and 30-day mortality and identified the risk factors for mortality in a large cohort of patients with invasive S. aureus (ISA) inf...

journal_title：Antimicrobial agents and chemotherapy

authors： Song KH,Kim M,Kim CJ,Cho JE,Choi YJ,Park JS,Ahn S,Jang HC,Park KH,Jung SI,Yoon N,Kim DM,Hwang JH,Lee CS,Lee JH,Kwak YG,Kim ES,Park SY,Park Y,Lee KS,Lee YS,Kim HB

更新日期：2017-02-23 00:00:00

abstract：:Methicillin-resistant Staphylococcus aureus (MRSA) has become a significant acute and chronic respiratory pathogen. While vancomycin is effective against MRSA, its relatively poor penetration into lung secretions and dose-limiting renal toxicity make it less effective in the respiratory setting. As inhaled administrat...

journal_title：Antimicrobial agents and chemotherapy

authors： Waterer G,Lord J,Hofmann T,Jouhikainen T

更新日期：2020-02-21 00:00:00

abstract：:Rezafungin (CD101) is a novel echinocandin under development for once-weekly intravenous (i.v.) dosing. We evaluated the pharmacodynamics (PD) of rezafungin against 4 Candida tropicalis and 4 Candida dubliniensis strains, using the neutropenic mouse invasive candidiasis model. The area under the concentration-time cur...

journal_title：Antimicrobial agents and chemotherapy

authors： Lepak AJ,Zhao M,Andes DR

更新日期：2019-10-22 00:00:00

abstract：:Piperaquine (PQ) is an important partner drug in antimalarial combination treatments, but the long half-life of PQ raises concerns about drug resistance. Our aim was to investigate the extended antimalarial effect of PQ in a study of drug efficacy, reinoculation outcomes, and parasite viability after the administratio...

journal_title：Antimicrobial agents and chemotherapy

authors： Moore BR,Ilett KF,Page-Sharp M,Jago JD,Batty KT

更新日期：2009-07-01 00:00:00

abstract：:Mammalian cathelicidins are a class of innate antimicrobial peptides isolated from leukocytes and epithelial cells that aid host defense against bacterial infections. Synthetic analogs of cathelicidins offer the promise of potent broad-spectrum antimicrobial efficacy. We developed a combined lung infection and ex vivo...

journal_title：Antimicrobial agents and chemotherapy

authors： Bartlett KH,McCray PB Jr,Thorne PS

更新日期：2003-12-01 00:00:00

abstract：:Here, we report the first autochthonous cases of infections caused by blaNDM-5 New Delhi metallo-β-lactamase-producing Escherichia coli strains recovered from urine and blood specimens of three patients from Algeria between January 2012 and February 2013. The three isolates belong to sequence type 2659 and they coexpr...

journal_title：Antimicrobial agents and chemotherapy

authors： Sassi A,Loucif L,Gupta SK,Dekhil M,Chettibi H,Rolain JM

更新日期：2014-09-01 00:00:00

abstract：:Since human cytomegalovirus (HCMV) does not infect or replicate in nonhuman cells and tissues, there are few animal models currently available for evaluation of antiviral therapies for these infections. In the present studies, we utilized two different models in which severe combined immunodeficient (SCID) mice were i...

journal_title：Antimicrobial agents and chemotherapy

authors： Kern ER,Hartline CB,Rybak RJ,Drach JC,Townsend LB,Biron KK,Bidanset DJ

更新日期：2004-05-01 00:00:00

abstract：:Unlike mammalian cells, malarial parasites are completely dependent on the de novo pyrimidine pathway and lack the enzymes to salvage preformed pyrimidines. In the present study, first, it is shown that 1843U89, even without polyglutamylation, is a potent folate-based inhibitor of purified malarial parasite thymidylat...

journal_title：Antimicrobial agents and chemotherapy

authors： Jiang L,Lee PC,White J,Rathod PK

更新日期：2000-04-01 00:00:00

abstract：:We investigated the contribution of multidrug resistance-associated protein 2 (MRP2) to the secretory transport of grepafloxacin and compared its functional role with that of P-glycoprotein (P-gp) by using Sprague-Dawley rats (SDRs) and Eisai hyperbilirubinemic rats (EHBRs), in which MRP2 is hereditarily defective. In...

journal_title：Antimicrobial agents and chemotherapy

authors： Naruhashi K,Tamai I,Inoue N,Muraoka H,Sai Y,Suzuki N,Tsuji A

更新日期：2002-02-01 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