نتایج جستجو برای: pcr assay
تعداد نتایج: 367284 فیلتر نتایج به سال:
A quantitative reverse transcription polymerase chain reaction (RT-PCR) assay was developed to amplify a region of the CYP1A1 heterogeneous nuclear RNA (hnRNA) transcript encompassing the first intron-exon boundary. The RT-PCR protocol uses a CYP1A1 recombinant RNA internal standard identical to the target hnRNA except for an engineered unique internal restriction site. Its inclusion enables no...
BACKGROUND Group B streptococci (GBS), or Streptococcus agalactiae, are the leading bacterial cause of meningitis and bacterial sepsis in newborns. Currently available rapid methods to detect GBS from clinical specimens are unsuitable for replacement of culture methods, mainly because of their lack of sensitivity. METHODS We have developed a PCR-based assay for the rapid detection of GBS. The...
A new molecular assay, based on a rapid DNA extraction protocol, PCR, and hybridization to a specific probe in a nonradioactive microwell plate format was used to detect Mycoplasma pneumoniae in bronchoalveolar fluid specimens. The sensitivity of the assay was determined to be 10 to 100 organisms with M. pneumoniae reference strains. Specificity testing with different bacteria capable of produc...
BACKGROUND Avian hepatitis E virus (HEV) is the main causative agent of big liver and spleen disease, as well as hepatitis-splenomegaly syndrome in chickens. To date, conventional reverse transcriptase polymerase chain reaction (RT-PCR) and nested RT-PCR methods have been used for the diagnosis of avian HEV infection in chickens. However, these assays are time consuming, inconvenient, and canno...
BACKGROUND RNA extracted from formalin-fixed paraffin-embedded (FFPE) samples is chemically modified and degraded, which compromises its use in gene expression studies. Most of the current approaches for RNA quality assessment are not suitable for FFPE derived RNA. RESULTS We have developed a single-tube multiplex endpoint RT-PCR assay specifically designed to evaluate RNA extracted from FFPE...
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