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Detection and quantification of human adenovirus genomes in Acanthamoeba isolated from swimming pools Anais da ABC (AABC)
STAGGEMEIER,RODRIGO; ARANTES,THALITA; CAUMO,KARIN S.; ROTT,MARILISE B.; SPILKI,FERNANDO R..
ABSTRACT Acanthamoeba is the most common free-living environmental amoeba, it may serve as an important vehicle for various microorganisms living in the same environment, such as viruses, being pathogenic to humans. This study aimed to detect and quantify human adenoviruses (HAdV) in Acanthamoebas isolated from water samples collected from swimming pools in the city of Porto Alegre, Southern Brazil. Free-living amoebae of the genus Acanthamoeba were isolated from water samples, and isolates (n=16) were used to investigate the occurrence of HAdVs. HAdV detection was performed by quantitative real-time polymerase chain reaction (qPCR). HAdVs were detected in 62.5% (10/16) of Acanthamoeba isolates, ranging from 3.24x103 to 5.14x105 DNA copies per milliliter...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Acanthamoeba; Free-living amoebae; Human adenovirus; QPCR; Swimming pools.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000200635
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Detection of Legionella pneumophila in water and biofilm samples by culture and molecular methods from man-made systems in São Paulo - Brazil BJM
Carvalho,Fábio R.S.; Foronda,Annette S.; Pellizari,Vivian H..
Legionella pneumophila is a pathogenic bacteria associated to aquatic habitat of natural and artificial environments. Clinical cases of legionellosis have been reported in Brazil but there is a lack of information about the incidence and concentration of this bacterium in environmental sources. Thus, the present study was designed to evaluate the occurrence of legionellae in São Paulo city, Brazil, using different methods of detection and identification. Sixty-seven water and biofilm samples from natural reservoirs and man-made systems were collected and analyzed for the presence of Legionella spp by culturing onto a selective medium, coculture in axenic free-living amoebae and direct fluorescent antibody (DFA) assay. Results showed that freshwater of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Legionella pneumophila; Free-living amoebae; Man-made systems.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822007000400029
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