Single probe PCR melting curve analysis MTHFR C677T SNP sites
نویسندگان
چکیده
منابع مشابه
SNP genotyping by unlabeled probe melting analysis.
Fluorescent nucleic acid detection in polymerase chain reaction (PCR) generally uses oligonucleotide probes labeled with covalently attached dyes. However, unlabeled oligonucleotides in the presence of saturating DNA dyes can also serve as hybridization probes. The DNA dye, LCGreen Plus, and a 3'-blocked unlabeled probe are added before amplification, and asymmetric PCR is performed at a 1:5 to...
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Real-time monitoring of PCR is one of the most important methods for DNA and RNA detection widely used in research and medical diagnostics. Here we describe a new approach for combined real-time PCR monitoring and melting curve analysis using a 3' end-blocked Exciton-Controlled Hybridization-sensitive fluorescent Oligonucleotide (ECHO) called Eprobe. Eprobes contain two dye moieties attached to...
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A rapid competitive PCR method was developed to quantify DNA on the LightCycler. It rests on the quantitative information contained in the melting curves obtained after amplification in the presence of SYBR Green I. Specific hybridization probes are not required. Heterologous internal standards sharing the same primer binding sites and having different melting temperatures to the natural PCR pr...
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Multiplex real-time PCR with quantification of targets in a single fluorescence channel has been the demand in biotechnology industry. Here, we develop a novel analytical real-time PCR technique to detect multiple targets in a single fluorescence channel without melting curve analysis. In this technique, we show the intensity of the fluorescence signals of two discrete Tm targets is different a...
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Melting curve prediction of PCR products is limited to perfectly complementary strands. Multiple domains are calculated by recursive nearest neighbor thermodynamics. However, the melting curve of an amplicon containing a heterozygous single-nucleotide variant (SNV) after PCR is the composite of four duplexes: two matched homoduplexes and two mismatched heteroduplexes. To better predict the shap...
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ژورنال
عنوان ژورنال: Analytical Biochemistry
سال: 2021
ISSN: 0003-2697
DOI: 10.1016/j.ab.2021.114102