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Nasal carriage of methicillin-resistant Staphylococcus aureus in university students BJID
Prates,Karina Aparecida; Torres,Ana Maria; Garcia,Lourdes Botelho; Ogatta,Sueli Fumie Yamada; Cardoso,Celso Luiz; Tognim,Maria Cristina Bronharo.
In a study of university students, the percentage nasal carriage of Staphylococcus aureus was 40.8% (102/250). Of the isolates, MIC50 of methicillin was 0.5 µg/mL and MIC90 was 1 µg/mL. Six (5.8%) isolates were methicillin-resistant and carried the mecA gene. These results suggest that community-associated methicillin-resistant S. aureus may be spreading in Brazil.
Tipo: Info:eu-repo/semantics/other Palavras-chave: Nasal carriage; CA-MRSA; S. aureus.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702010000300021
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Lack of association between genotypes and virulence factors in C. albicans strains isolated from vaginal secretion BJM
Shinobu,Cristiane Suemi; Ogatta,Sueli Fumie Yamada; Bizerra,Fenando; Furlaneto,Luciana; Peralta,Rosane Marina; Svidzinski,Terezinha Inez Estivalet; Consolaro,Marcia Edilaine Lopes.
The physiopathogenesis of vulvovaginal candidiasis (VVC) is still not completely elucidated. The objective of this study was to evaluate if there is a relationship between the different genotypes of Candida albicans, their main agent and the virulence of this yeast in vaginal isolates, and to check if there are laboratorial markers that can predict the ability of each isolate to develop VVC independently of symptoms. The production of exoenzymes protease, phospholipase and haemolysin, resistance to hydrogen peroxide, and the genotype were determined. Genotype A was predominant (75%), protease, phospholipase and haemolytic activity were highly expressed, and the majority of the yeasts were sensitive to H2O2 in 1 and 2 hours of exposure, suggesting that...
Tipo: Info:eu-repo/semantics/article Palavras-chave: C. albicans; Vulvovaginal candidiasis; Genotype; Virulence factors.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000300015
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