An optimized one-tube, semi-nested PCR assay for Paracoccidioides brasiliensis detection
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چکیده
منابع مشابه
An optimized one-tube, semi-nested PCR assay for Paracoccidioides brasiliensis detection.
INTRODUCTION Herein, we report a one-tube, semi-nested-polymerase chain reaction (OTsn-PCR) assay for the detection of Paracoccidioides brasiliensis. METHODS We developed the OTsn-PCR assay for the detection of P. brasiliensis in clinical specimens and compared it with other PCR methods. RESULTS The OTsn-PCR assay was positive for all clinical samples, and the detection limit was better or ...
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INTRODUCTION Paracoccidioidomycosis is a systemic infection caused by Paracoccidioides brasiliensis. METHODS In this study, a semi-nested PCR for paracoccidioidomycosis diagnosis was developed. The primers ITS1 and ITS4 were used in the first reaction, while the primers MJ03 and ITS1 primer were used in the second reaction. The semi-nested PCR was used to investigate biopsies of five patients...
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From a 0.72-kb fragment universally generated in Paracoccidioides brasiliensis strains, primers were designed and tested on genomic DNA of this and other pathogenic fungi. They were specific and highly sensitive for P. brasiliensis DNA. Positive results were obtained when these were tested in clinical samples.
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Nearly 800 nucleotides from the 5' terminus of the 28S ribosomal gene of Paracoccidioides brasiliensis were sequenced, and a 14-base DNA probe specific for this species was identified. Hybridization results showed that the probe identified P. brasiliensis ribosomal DNA in a panel of ribosomal DNAs representing a total of 48 species of fungi.
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ژورنال
عنوان ژورنال: Revista da Sociedade Brasileira de Medicina Tropical
سال: 2013
ISSN: 1678-9849,0037-8682
DOI: 10.1590/0037-8682-1625-2013