Source:http://linkedlifedata.com/resource/pubmed/id/21108573
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
5
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pubmed:dateCreated |
2011-6-16
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pubmed:abstractText |
The laboratory identification of Pseudallescheria and Scedosporium isolates at the species level is important for clinical and epidemiological purposes. This study used semiautomated repetitive sequence-based polymerase chain reaction (rep-PCR) to identify Pseudallescheria/Scedosporium. Reference strains of Pseudallescheria boydii (n = 12), Scedosporium prolificans (n = 8), Scedosporium apiospermum (n = 9), and clinical/environmental isolates (P. boydii, 7; S. prolificans, 7; S. apiospermum, 7) were analyzed by rep-PCR. All clinical isolates were identified by morphological and phenotypic characteristics and by sequence analysis. Species identification of reference strains was based on the results of available databases. Rep-PCR studies were also conducted with various molds to differentiate Pseudallescheria/Scedosporium spp. from other commonly encountered filamentous fungi. All tested Pseudallescheria/Scedosporium isolates were distinguishable from the other filamentous fungi. All Scedosporium prolificans strains clustered within the cutoff of 85%, and species identification by rep-PCR showed an agreement of 100% with sequence analysis. However, several isolates of P. boydii and S. apiospermum did not cluster within the 85% cutoff with the same species by rep-PCR. Although the identification of P. boydii and S. apiospermum was not correct, the semiautomated rep-PCR system is a promising tool for the identification of S. prolificans isolates.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Jul
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pubmed:issn |
1460-2709
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pubmed:author | |
pubmed:issnType |
Electronic
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pubmed:volume |
49
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
475-83
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pubmed:meshHeading |
pubmed-meshheading:21108573-Automation,
pubmed-meshheading:21108573-Humans,
pubmed-meshheading:21108573-Microscopy,
pubmed-meshheading:21108573-Molecular Diagnostic Techniques,
pubmed-meshheading:21108573-Mycological Typing Techniques,
pubmed-meshheading:21108573-Mycology,
pubmed-meshheading:21108573-Polymerase Chain Reaction,
pubmed-meshheading:21108573-Pseudallescheria,
pubmed-meshheading:21108573-Repetitive Sequences, Nucleic Acid,
pubmed-meshheading:21108573-Scedosporium,
pubmed-meshheading:21108573-Sensitivity and Specificity
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pubmed:year |
2011
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pubmed:articleTitle |
Discrimination of Scedosporium prolificans against Pseudallescheria boydii and Scedosporium apiospermum by semiautomated repetitive sequence-based PCR.
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pubmed:affiliation |
Institute of Medical Microbiology, University Hospital Essen, University of Duisburg-Essen, Essen, Germany. Joerg.Steinmann@uk-essen.de
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pubmed:publicationType |
Journal Article,
Evaluation Studies
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