Consulta: subjectFacets:"Acinetobacter"
Registros recuperados: 9
Data/hora: 11/06/2024 15:20:08

Construction and use of a dialysis chamber for investigating in situ the toxicity of heavy metals on bacteria.
Provedor de dados: 5
Autores: Tan, T.
Teflon dialysis sampling chambers have been employed to study the toxicity of ZnCl sub(2) on a cadmium-sensitive bacterium, Acinetobacter) CS 13, in an aquarium with running seawater. A concentration of 10 mg Zn super(++) l super(-1) did not influence the cell densities in the chambers, but cell densities decreased at zinc concentrations of 15 and 20 mg l super(-1). In seawater with 20 mg Zn super(++) lu-1 the bacteria accumulated zinc from 827 to 2813 mu g g super(-1) cells dry wt after 1 d. After 2 d the zinc concentration increased to 4625 mu g g super(-1) dry wt. Three chambers were filled with Acinetobacter CS 13 cells added to sterile sediment at a concentration of 1 x 10 super(8) cells ml super(-1) wet sediment. To test the security, these chambers...
Tipo: Text
Palavras-chave: Acinetobacter; Bacteria; Laboratory culture; Tests; Zinc; Dialysis; Toxicity; Heavy metals.
Ano: 1984
URL: http://archimer.ifremer.fr/doc/1984/acte-1012.pdf

Bacteriemias causadas por Acinetobacter spp. y resistencia a carbapenemes
Provedor de dados: 38
Autores: Rodríguez,Carlos Hernán; Nastro,Marcela; Weyland,Beatriz; Losada,Mirta; Vay,Carlos; Famiglietti,Angela.
Se analizaron retrospectivamente las bacteriemias causadas por Acinetobacter spp. en pacientes internados en el Hospital de Clínicas José de San Martín, Universidad de Buenos Aires, entre enero de 2002 y junio de 2008. El porcentaje de bacteriemias resistente a los carbapenemes se elevó desde 50% en el año 2002 a 70% en los años 2007-2008. Los factores de riesgo estadísticamente significativos asociados con la adquisición de bacteriemias causadas por Acinetobacter spp. resistente a los carbapenemes son: tratamiento previo con carbapenemes (p&lt;0,05), internación en la unidad de cuidados intensivos (p&lt;0,05), y bacteriemias polimicrobianas (p&lt;0,05). Colistin, minociclina y tigeciclina fueron activos frente a la totalidad de los aislamientos estudiados...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acinetobacter; Resistencia a carbapenemes; Terapia intensiva; Bacteriemias; Factores de riesgo.
Ano: 2010
URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0325-29572010000200007

Isolation of diuron-degrading bacteria from treated soil
Provedor de dados: 52
Autores: Dellamatrice,Priscila Maria; Monteiro,Regina Teresa Rosim.
Studies were carried out on the isolation of diuron-degrading bacteria from treated soil. The mineralization of 14C-diuron in soil following a three-year application and in soil without previous application were 68.95 mug.100 g-1 and 24.16 mug.100 g-1, respectively, after a 64-day incubation period. In the first soil there was a significant increase in the number of bacteria, from 3.3 x 10 6 to 1.9 x 10(8). The microbial biomass did not change, however, a significant 14C-residue of diuron was found in the microbial biomass. A consortium of three bacteria, Acinetobacter johnsonii and two Bacillus spp., was isolated in medium containing diuron as the only carbon source. Only A. johnsonii was able to grow alone in medium with diuron as the only carbon source.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biodegradation; Biomass; Enhanced degradation; Diuron; Acinetobacter; Bioremediation.
Ano: 2004
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132004000600020

Pharmacodynamic assessment of Amoxicillin-Sulbactam against Acinetobacter baumannii: searching the optimal dose and infusion time through a human ex-vivo model
Provedor de dados: 55
Autores: Bantar,Carlos; Canigia,Liliana Fernández; Berger,María Alejandra; Soutric,Jorge L; Arenoso,Héctor J.
Amoxicillin-sulbactam (AMX-SUL) is an aminopenicillin/ß-lactamase inhibitor combination currently available in 29 countries and may be a suitable option for treating infections caused by Acinetobacter spp. Thus, we sought to search the optimal dosing strategy for this formulation through an ex vivo pharmacodynamic human model against Acinetobacter baumanniii. Four volunteers were randomized to receive alternatively a single dose AMX-SUL infused both either over 30 min or 3h at the following ratios (g/g): 1/0.5; 1/1, and 0/2. Time-kill studies were performed with the 0-, 0.5-, 2-, 4-, 6- and 8-h sera after dose against a clinical isolate of A. baumannii (sulbactam MIC, 4µg/mL). Bactericidal activity (i.e. a mean decrease &gt;3 log10 CFU/mL in the viable...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amoxicillin-sulbactam; Acinetobacter.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702009000500006

Mortality rate in patients with nosocomial Acinetobacter meningitis from a Brazilian hospital
Provedor de dados: 55
Autores: Tuon,Felipe Francisco; Penteado-Filho,Sergio R; Amarante,Diogo; Andrade,Marcio A; Borba,Luis A.
BACKGROUND: The mortality rate due to Acinetobacter baumannii nosocomial meningitis (ANM) is high. OBJECTIVE: The aim of this study was to evaluate the factors that have influence over the outcomes in ANM patients. METHODS: A retrospective analysis of 22 cases of ANM was conducted in a hospital with high incidence of multidrug resistance. RESULTS: The mean age of patients was 43 years (21 to 91) and 54.5% were male. All ANM cases occurred within 60 days of admission and the mean duration of illness was of 18.2 days. All cases were associated with previous neurosurgical procedures: elective surgery (27.2%), external shunt (54.4%) and emergency surgery due to trauma (18.1%). Imipenem resistance was observed in 40.9% of cases, but ampicillin/sulbactam...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acinetobacter; Meningitis; Acinetobacter baumannii; Neurosurgery; Imipenem; Ampicillin/sulbactam.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702010000500003

Carbapenem-resistant Acinetobacter baumannii outbreak at university hospital
Provedor de dados: 58
Autores: Takagi,E.H.; Lincopan,N.; Cassettari,V.C.; Passadore,L.F.; Mamizuka,E.M.; Martinez,M.B.
Nineteen clonally related imipenem-resistant Acinetobacter baumannii isolates were recovered from eight intensive care unit patients. All isolates harboured blaOXA-51-like β-lactamase genes and showed the absence of 22 kDa fraction in outer membrane porin profile analysis. It suggests a combination of two mechanisms as responsible for carbapenemresistant phenotypes.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acinetobacter; BlaOXA-type genes; Carbapenemases; Nosocomial infection; Brazil.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822009000200024

Synergistic effects of sulbactam in multi-drug-resistant Acinetobacter baumannii
Provedor de dados: 58
Autores: Temocin,Fatih; Erdinc,Fatma Sebnem; Tulek,Necla; Demirelli,Meryem; Ertem,Gunay; Kinikli,Sami; Koksal,Eda.
Abstract Acinetobacter baumannii is a frequently isolated etiologic agent of nosocomial infections, especially in intensive care units. With the increase in multi-drug resistance of A. baumannii isolates, finding appropriate treatment alternatives for infections caused by these bacteria has become more difficult, and available alternate treatments include the use of older antibiotics such as colistin or a combination of antibiotics. The current study aimed to evaluate the in vitro efficacy of various antibiotic combinations against multi-drug resistant A. baumannii strains. Thirty multi-drug and carbapenem resistant A. baumannii strains isolated at the Ankara Training and Research Hospital between June 2011 and June 2012 were used in the study. Antibiotic...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acinetobacter; Antimicrobial drugs; Drug resistance; Drug synergism.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822015000401119

Draft genome sequence of phenol degrading Acinetobacter sp. Strain V2, isolated from oil contaminated soil
Provedor de dados: 58
Autores: Sharma,Vikas; Lin,Johnson.
Abstract We report here the draft genome sequence of Acinetobacter sp. Strain V2 isolated from the oil contaminated soil collected from ENGEN, Amanzimtoti, South Africa. Degradation of phenolic compounds such as phenol, toluene, aniline etc. at 400 ppm in 24 h and oil degrading capability makes this organism an efficient multifunctional bioremediator. Genome sequencing of Acinetobacter spp. V2 was carried out on Illumina HiSeq 2000 platform (performed by the Beijing Genomics Institute [BGI], Shenzhen, China). The data obtained revealed 643 contigs with genome size of 4.0 Mb and G + C content of 38.59%.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Acinetobacter; Phenol degradation; Whole genome sequencing; Oil contaminated soil.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822017000200189

Characterization of Acinetobacter spp. from raw goat Milk
Provedor de dados: 65
Autores: Ramos,Gustavo Luis de Paiva Anciens; Nascimento,Janaína dos Santos.
ABSTRACT:  Goat’s milk has been suggested as an alternative to cow’s milk, being a better digestible and hypoallergenic option. However, the presence of contaminating bacteria may significantly affect the safety of the product. In this research, we reported the isolation and characterization of Acinetobacter spp. isolates from raw goat milk samples purchased in the state of Rio de Janeiro, Brazil. Twenty-one samples were analyzed and ten isolates of Acinetobacter spp. were obtained. Six were identified as A. guillouiae, three as A. ursingii, and one as A. bereziniae. These isolates were characterized and eight showed proteolytic activity, seven showed lipolytic activity, and five isolates were able to produce both enzymes. None of the isolates was biofilm...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Goat milk; Acinetobacter; Deteriorating enzymes; KPC; ESBL.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019001000451