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TaqMan probes are hydrolysis probes that are designed to increase the specificity of quantitative PCR.The method was first reported in 1991 by researcher Kary Mullis at Cetus Corporation, [1] and the technology was subsequently developed by Hoffmann-La Roche for diagnostic assays and by Applied Biosystems (now part of Thermo Fisher Scientific) for research applications.
Real-time PCR can be used quantitatively and semi-quantitatively (i.e., above/below a certain amount of DNA molecules). Two common methods for the detection of PCR products in real-time PCR are (1) non-specific fluorescent dyes that intercalate with any double-stranded DNA and (2) sequence-specific DNA probes consisting of oligonucleotides that ...
Although well-designed TaqMan probes produce accurate real-time RT-PCR results, it is expensive and time-consuming to synthesize when separate probes must be made for each mRNA target analyzed. [22] [16] [38] Additionally, these probes are light sensitive and must be carefully frozen as aliquots to prevent degradation. Molecular beacon probes
Taq DNA polymerase's 5’-nuclease activity is used in the TaqMan assay for SNP genotyping. The TaqMan assay is performed concurrently with a PCR reaction and the results can be read in real-time as the PCR reaction proceeds (McGuigan & Ralston 2002). The assay requires forward and reverse PCR primers that will amplify a region that includes ...
Quantitative Real-Time PCR (QRT-PCR), sometimes simply called Real-Time PCR (RT-PCR), refers to a collection of methods that use fluorescent dyes, such as Sybr Green, or fluorophore-containing DNA probes, such as TaqMan, to measure the amount of amplified product in real time as the amplification progresses.
Truenat is a chip-based, point-of-care, rapid molecular test for diagnosis of infectious diseases. The technology is based on the Taqman RTPCR (Real Time Reverse Transcription Polymerase Chain Reaction) chemistry which can be performed on the portable, battery operated Truelab Real Time micro PCR platform.