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Registros recuperados: 5
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Imprime registro no formato completo
Candida species biofilm and Candida albicans ALS3 polymorphisms in clinical isolates BJM
Bruder-Nascimento,Ariane; Camargo,Carlos Henrique; Mondelli,Alessandro Lia; Sugizaki,Maria Fátima; Sadatsune,Terue; Bagagli,Eduardo.
Over the last decades, there have been important changes in the epidemiology of Candida infections. In recent years, Candida species have emerged as important causes of invasive infections mainly among immunocompromised patients. This study analyzed Candida spp. isolates and compared the frequency and biofilm production of different species among the different sources of isolation: blood, urine, vulvovaginal secretions and peritoneal dialysis fluid. Biofilm production was quantified in 327 Candida isolates obtained from patients attended at a Brazilian tertiary public hospital (Botucatu, Sao Paulo). C. albicans ALS3 gene polymorphism was also evaluated by determining the number of repeated motifs in the central domain. Of the 198 total biofilm-positive...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Candida spp.; Biofilm; ALS3 gene.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000400030
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Community-associated methicillin-resistant Staphylococcus aureus in non-outbreak skin infections BJM
Bonesso,Mariana Fávero; Marques,Silvio Alencar; Camargo,Carlos Henrique; Fortaleza,Carlos Magno Castelo Branco; Cunha,Maria de Lourdes Ribeiro de Souza da.
The aim of this study was to determine the prevalence of Staphylococcus aureus and risk factors for the acquisition of MRSA (Methicillin Resistant Staphylococcus aureus) as the main cause of skin and soft tissue infections. S. aureus were characterized for the presence of PVL, TSST-1 and mecA genes. SCCmec typing was carried out in mecA positive strains and PFGE was performed only in these strains. During the study period, 127 outpatients attending a dermatology clinical the Botucatu Medical School, a regional tertiary hospital in Botucatu, Sao Paulo, Brazil, were diagnosed with active skin infections. A total 66 (56.9%) S. aureus strains were isolated. The methicillin resistance gene mecA was detected in seven (10.6%) S. aureus strains. The SCCmec types...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Staphylococcus aureus; Resistance; Skin infections; Virulence; Epidemiology.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000400034
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Comparison of teicoplanin disk diffusion and broth microdilution methods against clinical isolates of Staphylococcus aureus and S. epidermidis BJM
Camargo,Carlos Henrique; Mondelli,Alessandro Lia; Bôas,Paulo José Fortes Villas.
The CLSI M100-S19 document has recommended the disuse of vancomycin disks for staphylococci and informed that studies on the action of teicoplanin in disk-diffusion testing should be performed. We describe the comparison of two methods, disk diffusion and broth microdilution, for determining teicoplanin susceptibility in clinical isolates of staphylococci. Overall results showed an aggregation rate of 96.8%; Staphylococcus aureus showed total agreement while S. epidermidis showed 93.8% of agreement. According to these local results, disk diffusion can still be employed to teicoplanin susceptibility determination for staphylococci in our institution.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Teicoplanin; Susceptibility tests; S. aureus; S. epidermidis.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822011000400003
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Detection of SPM and IMP metallo-β-lactamases in clinical specimens of Pseudomonas aeruginosa from a Brazilian public tertiary hospital BJID
Camargo,Carlos Henrique; Bruder-Nascimento,Ariane; Mondelli,Alessandro Lia; Montelli,Augusto Cezar; Sadatsune,Terue.
Phenotypic and genotypic SPM and IMP metallo-β-lactamases (MBL) detection and also the determination of minimal inhibitory concentrations (MIC) to imipenem, meropenem and ceftazidime were evaluated in 47 multidrug-resistant Pseudomonas aeruginosa isolates from clinical specimens. Polymerase chain reaction detected 14 positive samples to either blaSPM or blaIMP genes, while the best phenotypic assay (ceftazidime substrate and mercaptopropionic acid inhibitor) detected 13 of these samples. Imipenem, meropenem and ceftazidime MICs were higher for MBL positive compared to MBL negative isolates. We describe here the SPM and IMP MBL findings in clinical specimens of P. aeruginosa from the University Hospital of Botucatu Medical School, São Paulo, Brazil, that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pseudomonas aeruginosa drug resistance; Bacterial carbapenems metalloproteins poly merase chain reaction.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702011000500011
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Prevalence and phenotypic characterization of Enterococcus spp. isolated from food in Brazil BJM
Camargo,Carlos Henrique; Bruder-Nascimento,Ariane; Lee,Sarah Hwa In; Fernandes Júnior,Ary; Kaneno,Ramon; Rall,Vera Lúcia Mores.
We evaluated the frequency of enterococci from food and found 95.2% of positivity, being E. faecium and E. faecalis the most frequent species. High-level streptomycin resistance was observed, as well as gelatinase and hemolysis activity, showing the potential role of environmental strains as reservoir of virulence and resistance traits.
Tipo: Info:eu-repo/semantics/article Palavras-chave: Enterococcus spp.; Food; Antimicrobial resistance.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822014000100016
Registros recuperados: 5
Primeira ... 1 ... Última
 

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