Mycobacterium abscessus Smooth and Rough Morphotypes Form Antimicrobial-Tolerant Biofilm Phenotypes but Are Killed by Acetic Acid.

abstract：:Cefaclor solutions in pH 2.5 and 4.5 buffers contained at least 90% of their initial activity after 72 h at 4 degrees C. Samples in pH 6.0, 7.0, and 8.0 buffers contained 70, 46, and 34%, respectively, of their initial activity after 72 h at 4 degrees C. After 72 h at 25 degrees C, samples prepared with pH 2.5, 4.5, 6...

journal_title：Antimicrobial agents and chemotherapy

authors： Foglesong MA,Lamb JW,Dietz JV

更新日期：1978-01-01 00:00:00

abstract：:The most deadly outbreak of Escherichia coli O104:H4 occurred in Europe in 2011. Here, we evaluated the effects of the retrograde trafficking inhibitor Retro-2(cycl) in a murine model of E. coli O104:H4 infection. Systemic treatment with Retro-2(cycl) significantly reduced body weight loss and improved clinical scores...

journal_title：Antimicrobial agents and chemotherapy

authors： Secher T,Shima A,Hinsinger K,Cintrat JC,Johannes L,Barbier J,Gillet D,Oswald E

更新日期：2015-08-01 00:00:00

abstract：:Novel antibiotics approved by noninferiority trials may become less effective over time in two scenarios: (i) the treatment effect in studies of novel antibiotics may be consistently worse than studies of older antibiotics; (ii) when a decreasingly effective control arm is used in a series of noninferiority trials. Ou...

journal_title：Antimicrobial agents and chemotherapy

authors： Bai AD,Komorowski AS,Lo CKL,Tandon P,Li XX,Mokashi V,Cvetkovic A,Findlater A,Liang L,Loeb M,Mertz D

更新日期：2020-10-20 00:00:00

abstract：:Although information about the efficacy and safety experience with caspofungin at 50 mg/m(2) daily is available for children and adolescents, the dosing regimen in infants and toddlers 3 to 24 months of age has yet to be established. We studied the pharmacokinetics and safety of caspofungin at 50 mg/m(2) once daily in...

journal_title：Antimicrobial agents and chemotherapy

authors： Neely M,Jafri HS,Seibel N,Knapp K,Adamson PC,Bradshaw SK,Strohmaier KM,Sun P,Bi S,Dockendorf MF,Stone JA,Kartsonis NA

更新日期：2009-04-01 00:00:00

abstract：:N-Formimidoyl thienamycin (MK0787) was active against beta-lactamase-producing strains and was an effective inhibitor of beta-lactamases extracted and purified from these strains except for plasmid-mediated penicillinase type IV. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Toda M,Sato K,Nakazawa H,Inoue M,Mitsuhashi S

更新日期：1980-11-01 00:00:00

abstract：:Pulmonary infiltrates in neutropenic hosts with invasive aspergillosis are due to vascular invasion and hemorrhagic infarction. In order to measure the effect of antifungal compounds on this organism-mediated tissue injury, we monitored the course of pulmonary infiltrates by serial ultrafast computerized tomography (U...

journal_title：Antimicrobial agents and chemotherapy

authors： Walsh TJ,Garrett K,Feurerstein E,Girton M,Allende M,Bacher J,Francesconi A,Schaufele R,Pizzo PA

更新日期：1995-05-01 00:00:00

abstract：:A new procedure for determining the susceptibility of Treponema pallidum subsp. pallidum to antimicrobial agents was developed, utilizing a tissue culture system which promotes the in vitro multiplication of this organism. In the absence of antibiotics, T. pallidum (Nichols virulent strain) multiplied an average of 10...

journal_title：Antimicrobial agents and chemotherapy

authors： Norris SJ,Edmondson DG

更新日期：1988-01-01 00:00:00

abstract：:New antibiotics are required to have the antibacterial activity against doxycycline-resistant Orientia tsutsugamushi. An in vitro sensitivity study showed that telithromycin was more effective than erythromycin for Rickettsia, Bartonella, and Coxiella burnetii. In this prospective, open-label, randomized trial, we enr...

journal_title：Antimicrobial agents and chemotherapy

authors： Kim DM,Yu KD,Lee JH,Kim HK,Lee SH

更新日期：2007-06-01 00:00:00

abstract：:Transposon mutagenesis of a clinical isolate of Morganella morganii, G1492 (tigecycline MIC of 4 microg/ml), yielded two insertion knockout mutants for which tigecycline MICs were 0.03 microg/ml. Transposon insertions mapped to acrA, which is constitutively overexpressed in G1492, suggesting a role of the AcrAB efflux...

journal_title：Antimicrobial agents and chemotherapy

authors： Ruzin A,Keeney D,Bradford PA

更新日期：2005-02-01 00:00:00

abstract：:Viral pathogens causing global disease burdens are often characterized by high rates of evolutionary changes. The extensive viral diversity at baseline can shorten the time to escape from therapeutic or immune selective pressure and alter mutational pathways. The impact of genotypic background on the barrier to resist...

journal_title：Antimicrobial agents and chemotherapy

authors： Theys K,Libin PJK,Van Laethem K,Abecasis AB

更新日期：2019-07-25 00:00:00

abstract：:Enzymes in the ergosterol-biosynthetic pathway are the targets of a number of antifungal agents including azoles, allylamines, and morpholines. In order to understand the response of Saccharomyces cerevisiae to perturbations in the ergosterol pathway, genome-wide transcript profiles following exposure to a number of a...

journal_title：Antimicrobial agents and chemotherapy

authors： Bammert GF,Fostel JM

更新日期：2000-05-01 00:00:00

abstract：:Olorofim is a novel antifungal drug in phase 2 trials. It has shown promising in vitro activity against various molds, except for Mucorales. Initially, we observed a broad range of EUCAST MICs for Aspergillus fumigatus Here, we explored the MIC variability in more detail and prospectively investigated the susceptibili...

journal_title：Antimicrobial agents and chemotherapy

authors： Astvad KMT,Jørgensen KM,Hare RK,Datcu R,Arendrup MC

更新日期：2020-12-16 00:00:00

abstract：:Multidrug-resistant clinical isolate Klebsiella pneumoniae BM4686 was highly resistant to 4,6-disubstituted 2-deoxystreptamines and to fortimicin. Resistance was due to the presence, on the 40-kb non-self-transferable plasmid pIP849, of the rmtF gene which was cotranscribed with the upstream aac(6')-Ib gene. The deduc...

journal_title：Antimicrobial agents and chemotherapy

authors： Galimand M,Courvalin P,Lambert T

更新日期：2012-07-01 00:00:00

abstract：:The interaction between four fluoroquinolones (ciprofloxacin, norfloxacin, pefloxacin, and ofloxacin) and biofilms of Pseudomonas aeruginosa in wells of microtiter plates and on segments of vascular catheters were studied in an in vitro model of vascular catheter colonization. Subinhibitory concentrations (one-half, o...

journal_title：Antimicrobial agents and chemotherapy

authors： Yassien M,Khardori N,Ahmedy A,Toama M

更新日期：1995-10-01 00:00:00

abstract：:The relationship between the structures of quinolones and their anti-Mycobacterium avium activities has been previously derived by using the Multiple Computer-Automated Structure Evaluation program. A number of substructural constraints required to overcome the resistance of most of the strains have been identified. N...

journal_title：Antimicrobial agents and chemotherapy

authors： Klopman G,Li JY,Wang S,Pearson AJ,Chang K,Jacobs MR,Bajaksouzian S,Ellner JJ

更新日期：1994-08-01 00:00:00

abstract：:A fluoroquinolone (FQ) resistance rate of 5.9% is reported in 205 Mycobacterium tuberculosis isolates from patients presenting to field clinics in Karachi, Pakistan (2006 to 2009). FQ resistance among multidrug-resistant (MDR) strains was 11.1% (5/45), and it was 4.9% (5/103) in M. tuberculosis strains susceptible to ...

journal_title：Antimicrobial agents and chemotherapy

authors： Rafiq Y,Jabeen K,Hasan R,Jafri S,Laiq R,Malik F,Mangi R,Channa A,Hasan Z

更新日期：2011-02-01 00:00:00

abstract：:Assessment of drug susceptibility has become an integral part of influenza virus surveillance. In this study, we describe the drug resistance profile of influenza A(H3N2) virus, A/Mississippi/05/2011, collected from a patient treated with oseltamivir and detected via surveillance. An MDCK cell-grown isolate of this vi...

journal_title：Antimicrobial agents and chemotherapy

authors： Tamura D,Nguyen HT,Sleeman K,Levine M,Mishin VP,Yang H,Guo Z,Okomo-Adhiambo M,Xu X,Stevens J,Gubareva LV

更新日期：2013-12-01 00:00:00

abstract：:The in vitro activities of tigecycline and selected antimicrobials were evaluated against a variety of multiple-drug-resistant clinical isolates, including extended-spectrum beta-lactamase- and/or metallo-beta-lactamase-producing gram-negative strains, colistin-resistant strains, vancomycin- and/or linezolid-resistant...

journal_title：Antimicrobial agents and chemotherapy

authors： Souli M,Kontopidou FV,Koratzanis E,Antoniadou A,Giannitsioti E,Evangelopoulou P,Kannavaki S,Giamarellou H

更新日期：2006-09-01 00:00:00

abstract：:A multicenter collection of bacteremic isolates of Escherichia coli (n = 423), Klebsiella pneumoniae (n = 372), Pseudomonas aeruginosa (n = 300), and Acinetobacter baumannii complex (n = 199) was analyzed for susceptibility. Xpert Carba-R assay and sequencing for mcr genes were performed for carbapenem- or colistin-re...

journal_title：Antimicrobial agents and chemotherapy

authors： Liu PY,Lee YL,Lu MC,Shao PL,Lu PL,Chen YH,Cheng SH,Ko WC,Lin CY,Wu TS,Yen MY,Wang LS,Liu CP,Lee WS,Chen YS,Wang FD,Tseng SH,Lin CN,Tang HJ,Chen YH,Sheng WH,Lee CM,Liao MH,Hsueh PR

更新日期：2020-09-21 00:00:00

abstract：:The in vitro sensitivity of Plasmodium falciparum to atorvastatin and rosuvastatin was assessed using chloroquine-sensitive and chloroquine-resistant strains. Although atorvastatin was more potent, it had weak activity (mean 50% inhibitory concentration of > or = 17 microM) and an indifferent interaction with chloroqu...

journal_title：Antimicrobial agents and chemotherapy

authors： Wong RP,Davis TM

更新日期：2009-05-01 00:00:00

abstract：:The ST5 lineage of methicillin-resistant Staphylococcus aureus (MRSA) is one of the most globally disseminated hospital-associated MRSA (HA-MRSA) lineages. We isolated a new local variant (designated ST764) over at least 5 years that causes invasive infections, including necrotizing fasciitis, and is carried by medica...

journal_title：Antimicrobial agents and chemotherapy

authors： Takano T,Hung WC,Shibuya M,Higuchi W,Iwao Y,Nishiyama A,Reva I,Khokhlova OE,Yabe S,Ozaki K,Takano M,Yamamoto T

更新日期：2013-04-01 00:00:00

abstract：:The activities of teicoplanin and vancomycin against 362 coagulase-negative staphylococci were determined by an agar dilution method. At the 4- and 32-micrograms/ml breakpoint levels of the National Committee for Clinical Laboratory Standards, 23.2% of the strains were intermediate and 1.7% were resistant to teicoplan...

journal_title：Antimicrobial agents and chemotherapy

authors： Goldstein FW,Coutrot A,Sieffer A,Acar JF

更新日期：1990-05-01 00:00:00

abstract：:Many of the nitroaromatic agents used in medicine function as prodrugs and must undergo activation before exerting their toxic effects. In most cases, this is catalyzed by flavin mononucleotide (FMN)-dependent type I nitroreductases (NTRs), a class of enzyme absent from higher eukaryotes but expressed by bacteria and ...

journal_title：Antimicrobial agents and chemotherapy

authors： Voak AA,Seifert K,Helsby NA,Wilkinson SR

更新日期：2014-01-01 00:00:00

abstract：:The respiratory syncytial virus (RSV) L protein is a viral RNA-dependent RNA polymerase that contains multiple enzyme activities required for RSV replication. The RSV L inhibitors described in literature are limited by their cytotoxicity or the lack of RSV B subtype coverage. Here, we characterize a new RSV L inhibito...

journal_title：Antimicrobial agents and chemotherapy

authors： Tiong-Yip CL,Aschenbrenner L,Johnson KD,McLaughlin RE,Fan J,Challa S,Xiong H,Yu Q

更新日期：2014-07-01 00:00:00

abstract：:Although the clinical correlates of the reference antifungal susceptibility test results in hematogenous and deep-seated Candida infection are still controversial, we evaluated the clinical correlates of this test in deep-seated Candida infections in non-AIDS patients. Thirty-two non-AIDS patients with hematogenous or...

journal_title：Antimicrobial agents and chemotherapy

authors： Lee SC,Fung CP,Huang JS,Tsai CJ,Chen KS,Chen HY,Lee N,See LC,Shieh WB

更新日期：2000-10-01 00:00:00

abstract：:Two group F vibrio organisms have been identified among a collection of vibrio strains isolated from the aquatic environment in Bangladesh. Neither group F strain produced a cholera-like enterotoxin. One of the isolates, BV12, contained an R plasmid conferring resistance to streptomycin and chloramphenicol. ...

journal_title：Antimicrobial agents and chemotherapy

authors： McNicol LA,Kaper JB,Lockman HA,Remmers EF,Spira WM,Colwell RR

更新日期：1980-03-01 00:00:00

abstract：:The activities of niridazole and metronidazole were compared by an agar dilution method against 40 strains of Campylobacter fetus subsp. jejuni of human origin. Niridazole had a markedly higher activity than metronidazole. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Freydière AM,Gille Y,Tigaud S,Vincent P

更新日期：1984-01-01 00:00:00

abstract：:This analysis was conducted to determine whether the hepatitis C virus (HCV) viral kinetics (VK) model can predict viral load (VL) decreases for nonnucleoside polymerase inhibitors (NNPolIs) and protease inhibitors (PIs) after 3-day monotherapy studies of patients infected with genotype 1 chronic HCV. This analysis in...

journal_title：Antimicrobial agents and chemotherapy

authors： Reddy MB,Morcos PN,Le Pogam S,Ou Y,Frank K,Lave T,Smith P

更新日期：2012-06-01 00:00:00

abstract：:Coresistance to human reserve antibiotics can be selected by antibiotics used in veterinary medicine. A Clostridium perfringens strain isolated from pig manure was resistant to the reserve drug linezolid and, simultaneously, resistant against florfenicol and erythromycin. We detected a new mutation in a highly conserv...

journal_title：Antimicrobial agents and chemotherapy

authors： Hölzel CS,Harms KS,Schwaiger K,Bauer J

更新日期：2010-03-01 00:00:00

abstract：:The ponA gene of Mycobacterium smegmatis encodes a 95-kDa penicillin binding protein, PBP1, that is similar to PBP1s of Mycobacterium tuberculosis and Mycobacterium leprae. Transposon disruption of ponA in M. smegmatis resulted in a PBP1-deficient mutant that was sensitive to beta-lactam antibiotics, was more permeabl...

journal_title：Antimicrobial agents and chemotherapy

authors： Billman-Jacobe H,Haites RE,Coppel RL

更新日期：1999-12-01 00:00:00