Streptococcus pneumoniae transposon Tn1545/Tn6003 changes to Tn6002 due to spontaneous excision in circular form of the erm(B)- and aphA3-containing macrolide-aminoglycoside-streptothricin (MAS) element.

abstract：:A rapid microbiological assay for chlorhydroxyquinoline is described. It is a turbidimetric procedure that uses Streptococcus faecalis as the test organism. Results are available within 5 h. Data are presented to show the advantages of using a cryogenically stored inoculum over an inoculum prepared on a daily basis. ...

journal_title：Antimicrobial agents and chemotherapy

authors： Cosgrove RF

更新日期：1977-05-01 00:00:00

abstract：:A promising modified sugar molecule was identified which was active against multidrug-resistant (MDR) strains of Mycobacterium tuberculosis, suggesting involvement of a new target. The compound was demonstrated to be bactericidal, inhibited the growth of M. tuberculosis in mice, and targeted alpha-mannosidase as a com...

journal_title：Antimicrobial agents and chemotherapy

authors： Kashyap V,Sharma S,Singh V,Sharma SK,Saquib M,Srivastava R,Shaw AK

更新日期：2014-06-01 00:00:00

abstract：:Increasing mobile colistin resistance, mediated by the mcr gene family, in Enterobacteriaceae has become a global concern. Among the 10 reported mcr genes, mcr-8 was first identified in Klebsiella pneumoniae, which could cause severe infections with high mortality. Information about the prevalence and genetic context ...

journal_title：Antimicrobial agents and chemotherapy

authors： Wu B,Wang Y,Ling Z,Yu Z,Shen Z,Zhang S,Wang X

更新日期：2020-12-16 00:00:00

abstract：:Biapenem, formerly LJC 10,627 or L-627, a carbapenem antibiotic, was studied in its interactions with 12 beta-lactamases belonging to the four molecular classes proposed by R. P. Ambler (Philos. Trans. R. Soc. Lond. Biol. Sci. 289:321-331, 1980). Kinetic parameters were determined. Biapenem was readily inactivated by ...

journal_title：Antimicrobial agents and chemotherapy

authors： Felici A,Perilli M,Segatore B,Franceschini N,Setacci D,Oratore A,Stefani S,Galleni M,Amicosante G

更新日期：1995-06-01 00:00:00

abstract：:Malaria is the third most significant cause of infectious disease in the world. The search for new antimalarial chemotherapy has become increasingly urgent due to parasite resistance to classical drugs. Trioxaquines are synthetic hybrid molecules containing a trioxane motif (which is responsible for the antimalarial a...

journal_title：Antimicrobial agents and chemotherapy

authors： Benoit-Vical F,Lelièvre J,Berry A,Deymier C,Dechy-Cabaret O,Cazelles J,Loup C,Robert A,Magnaval JF,Meunier B

更新日期：2007-04-01 00:00:00

abstract：:Active nuclear importation of the human immunodeficiency virus (HIV) type 1 (HIV-1) preintegration complex (PIC) is required for the productive infection of nondividing cells, but it is believed to be dispensable for the infection of proliferating cells, such as activated T lymphocytes. To investigate this question, w...

journal_title：Antimicrobial agents and chemotherapy

authors： Haffar OK,Smithgall MD,Popov S,Ulrich P,Bruce AG,Nadler SG,Cerami A,Bukrinsky MI

更新日期：1998-05-01 00:00:00

abstract：:Beta-lactam resistance in Pseudomonas aeruginosa detected only during ceftazidime therapy of cystic fibrosis patients was studied. Evaluation of resistant and susceptible isolates from one patient and resistant laboratory derivatives indicated that elevated beta-lactamase levels were the primary determinant of resista...

journal_title：Antimicrobial agents and chemotherapy

authors： Schryvers AB,Ogunariwo J,Chamberland S,Godfrey AJ,Rabin HR,Bryan LE

更新日期：1987-09-01 00:00:00

abstract：:The fungus Saprochaete capitata causes opportunistic human infections, mainly in immunocompromised patients with hematological malignancies. The best therapy for this severe infection is still unknown. We evaluated the in vitro killing activity and the in vivo efficacy of posaconazole at 5, 10, or 20 mg/kg twice a day...

journal_title：Antimicrobial agents and chemotherapy

authors： Thomson P,Guarro J,Mayayo E,Capilla J

更新日期：2015-12-01 00:00:00

abstract：:Isolates of Aspergillus fumigatus that demonstrate resistance to itraconazole (ITZ) have been described previously; however, the prevalence and clinical significance of ITZ resistance are not completely understood. In this study we assessed the ITZ susceptibilities of 128 A. fumigatus isolates that caused invasive inf...

journal_title：Antimicrobial agents and chemotherapy

authors： Balajee SA,Weaver M,Imhof A,Gribskov J,Marr KA

更新日期：2004-04-01 00:00:00

abstract：:Himastatin, a cyclohexadepsipeptide antibiotic, had in vivo antitumor activity against localized P388 leukemia and B16 melanoma but had no distal site antitumor activity. An in vitro Bacillus subtilis well-agar diffusion assay was employed to test the hypothesis that himastatin was enzymatically inactivated. The activ...

journal_title：Antimicrobial agents and chemotherapy

authors： Mamber SW,Brookshire KW,Dean BJ,Firestone RA,Leet JE,Matson JA,Forenza S

更新日期：1994-11-01 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：:Candida albicans remains the leading causative agent of invasive fungal infection. Although the importance of filamentation in C. albicans pathogenesis has been extensively investigated, in vivo studies to date have been unable to dissect the role of this developmental process in the establishment of infection versus ...

journal_title：Antimicrobial agents and chemotherapy

authors： Saville SP,Lazzell AL,Bryant AP,Fretzen A,Monreal A,Solberg EO,Monteagudo C,Lopez-Ribot JL,Milne GT

更新日期：2006-10-01 00:00:00

abstract：:BEL-1 is an acquired class A extended-spectrum β-lactamase (ESBL) found in Pseudomonas aeruginosa clinical isolates from Belgium which is divergent from other ESBLs (maximum identity of 54% with GES-type enzymes). This enzyme is efficiently inhibited by clavulanate, imipenem, and moxalactam. Crystals of BEL-1 were obt...

journal_title：Antimicrobial agents and chemotherapy

authors： Pozzi C,De Luca F,Benvenuti M,Poirel L,Nordmann P,Rossolini GM,Mangani S,Docquier JD

更新日期：2016-11-21 00:00:00

abstract：:Salmonella typhimurium isolated in Bombay from fecal samples of 145 patients suffering from gastroenteritis (group 1) and from the cerebrospinal fluid, feces, or blood of 42 patients with systemic salmonellosis (group 2) were examined for the antimicrobial resistance and incompatibility groups of their R plasmids. Mul...

journal_title：Antimicrobial agents and chemotherapy

authors： Rangnekar VM,Banker DD,Jhala HI

更新日期：1983-01-01 00:00:00

abstract：:A dipeptide lantibiotic, named Smb, in Streptococcus mutans GS5 was characterized by molecular genetic approaches. The Smb biosynthesis gene locus is encoded by a 9.5-kb region of chromosomal DNA and consists of seven genes in the order smbM1, -T, -F, -M2, -G, -A, -B. This operon is not present in some other strains o...

journal_title：Antimicrobial agents and chemotherapy

authors： Yonezawa H,Kuramitsu HK

更新日期：2005-02-01 00:00:00

abstract：:Nemonoxacin (TG-873870) is a novel nonfluorinated quinolone with potent broad-spectrum activity against Gram-positive, Gram-negative, and atypical pathogens, including vancomycin-nonsusceptible methicillin-resistant Staphylococcus aureus (MRSA), quinolone-resistant MRSA, quinolone-resistant Streptococcus pneumoniae, p...

journal_title：Antimicrobial agents and chemotherapy

authors： Cao GY,Zhang J,Zhang YY,Guo BN,Yu JC,Wu XJ,Chen YC,Wu JF,Shi YG

更新日期：2014-10-01 00:00:00

abstract：:We report retrospective analysis of the clinical and antimicrobial susceptibility data of 140 Streptococcus pseudopneumoniae isolates. Strains were isolated mostly from respiratory tract samples from patients with underlying diseases. In the case of infection, pneumonia, mainly aspiration pneumonia, was the most frequ...

journal_title：Antimicrobial agents and chemotherapy

authors： Laurens C,Michon AL,Marchandin H,Bayette J,Didelot MN,Jean-Pierre H

更新日期：2012-08-01 00:00:00

abstract：:This randomized, controlled trial was designed to show that a short, 5-day course of pharmacokinetically enhanced amoxicillin-clavulanate at 2,000/125 mg (Augmentin XR) is as effective clinically as a longer, 7-day course of conventional amoxicillin-clavulanate at 875/125 mg (both given twice daily) in the treatment o...

journal_title：Antimicrobial agents and chemotherapy

authors： Sethi S,Breton J,Wynne B

更新日期：2005-01-01 00:00:00

abstract：:We examined an E-test-based strategy for testing the combination of itraconazole and amphotericin B, the latter given either sequentially or concomitantly, in isolates of Aspergillus fumigatus. An antagonistic interaction between the two drugs was noted, especially with the sequential administration of amphotericin B....

journal_title：Antimicrobial agents and chemotherapy

authors： Kontoyiannis DP,Lewis RE,Sagar N,May G,Prince RA,Rolston KV

更新日期：2000-10-01 00:00:00

abstract：:Mice treated with antibiotics early or late after active infection had resolved were examined for chlamydial DNA in endocervical swabs. The early eradication of infection limited oviduct pathology, despite the continued detection of chlamydial DNA by nested PCR. Late antibiotic treatment had no effect on the ability t...

journal_title：Antimicrobial agents and chemotherapy

authors： Reeves DM,Nagarajan U,O'Connell C,Andrews CW Jr,Darville T

更新日期：2007-07-01 00:00:00

abstract：:Recovery of gentamicin from renal cortical tissue (assayed by fluorescence polarization immunoassay) was highest (P less than 0.05) when using a sodium hydroxide (NaOH) digestion procedure without homogenization (90.0 +/- 5.4%), followed by homogenization with NaOH digestion (85.8 +/- 7.7%) and homogenization with tri...

journal_title：Antimicrobial agents and chemotherapy

authors： Brown SA,Sugimoto K,Smith GG,Garry FB

更新日期：1988-04-01 00:00:00

abstract：:The current recommendations for intravenous (i.v.) acyclovir dosing in obese patients suggest using ideal body weight (IBW) rather than total body weight (TBW). To our knowledge, no pharmacokinetic analysis has validated this recommendation. This single-dose pharmacokinetic study was conducted in an inpatient oncology...

journal_title：Antimicrobial agents and chemotherapy

authors： Turner RB,Cumpston A,Sweet M,Briggs F,Slain D,Wen S,Craig M,Hamadani M,Petros W

更新日期：2016-01-11 00:00:00

abstract：:The diversity of tet(S) genetic contexts of 13 enterococci from human, animal, and environmental samples from different geographical areas is reported. The tet(S) gene was linked to either CTn6000 variants of chromosomal location or composite platforms flanked by IS1216 located on plasmids (∼40 to 115 kb). The compara...

journal_title：Antimicrobial agents and chemotherapy

authors： Novais C,Freitas AR,Silveira E,Baquero F,Peixe L,Roberts AP,Coque TM

更新日期：2012-11-01 00:00:00

abstract：:Mycobacterium abscessus is intrinsically resistant to many antimycobacterial antibiotics, which presents serious problems in therapy. Here, we describe the development of a novel phenotype-based microscopic and computerized imaging drug screening approach. A pilot screen of 568 compounds from two libraries identified ...

journal_title：Antimicrobial agents and chemotherapy

authors： Richter A,Strauch A,Chao J,Ko M,Av-Gay Y

更新日期：2018-08-27 00:00:00

abstract：:The penicillin-binding proteins (PBPs) of a clinical isolate of Staphylococcus aureus specifically resistant to oral cephalosporins were compared with those of a susceptible strain. In the resistant strain, PBP3 (75,000 molecular weight) was missing or had substantially (greater than 100-fold) reduced affinity for pen...

journal_title：Antimicrobial agents and chemotherapy

authors： Georgopapadakou NH,Smith SA,Bonner DP

更新日期：1982-07-01 00:00:00

abstract：:Optimal treatment options remain unknown for infective endocarditis (IE) caused by penicillin-resistant (PEN-R) viridans group streptococcal (VGS) strains. The aims of this study were to report two cases of highly PEN-R VGS IE, perform a literature review, and evaluate various antibiotic combinations in vitro and in v...

journal_title：Antimicrobial agents and chemotherapy

authors： Pericàs JM,Nathavitharana R,Garcia-de-la-Mària C,Falces C,Ambrosioni J,Almela M,García-González J,Quintana E,Marco F,Moreno A,Bayer AS,Miró JM,Karchmer AW,Hospital Clínic Endocarditis Study Group.

更新日期：2019-07-25 00:00:00

abstract：:Eighty adults in areas of Kenya where malaria is holoendemic received presumptive treatment with atovaquone-proguanil and were followed closely. The time to the first Plasmodium falciparum parasitemia was 32 days. This prolonged prophylaxis period has implications for study design when used in malaria intervention tri...

journal_title：Antimicrobial agents and chemotherapy

authors： Polhemus ME,Remich S,Ogutu B,Waitumbi J,Lievens M,Ballou WR,Heppner DG Jr

更新日期：2008-04-01 00:00:00

abstract：:The pharmacologic parameters and toxicity of netilmicin (6 mg/kg/day) given once daily (qd) or thrice daily (tid) for the treatment of urinary tract infections were studied in a randomized prospective study of 60 cancer patients. The overall efficacy was 96%. Nephrotoxicity, assessed by the measure of urinary excretio...

journal_title：Antimicrobial agents and chemotherapy

authors： Van der Auwera P,Meunier F,Ibrahim S,Kaufman L,Derde MP,Tulkens PM

更新日期：1991-04-01 00:00:00

abstract：:Although human immunodeficiency virus (HIV) coinfection is the most important risk factor for a poor antituberculosis (anti-TB) treatment response, its effect on the pharmacokinetics of the first-line drugs in children is understudied. This study examined the pharmacokinetics of the four first-line anti-TB drugs in ch...

journal_title：Antimicrobial agents and chemotherapy

authors： Antwi S,Yang H,Enimil A,Sarfo AM,Gillani FS,Ansong D,Dompreh A,Orstin A,Opoku T,Bosomtwe D,Wiesner L,Norman J,Peloquin CA,Kwara A

更新日期：2017-01-24 00:00:00

abstract：:Solithromycin (CEM-101) is a new antibiotic that is highly potent against Ureaplasma and Mycoplasma spp. and active against many other antibiotic-resistant organisms. We have explored the maternal-amniotic-fetal pharmacokinetics of CEM-101 in a pregnant sheep model to assess its potential for treating intrauterine and...

journal_title：Antimicrobial agents and chemotherapy

authors： Keelan JA,Kemp MW,Payne MS,Johnson D,Stock SJ,Saito M,Fernandes P,Newnham JP

更新日期：2014-01-01 00:00:00