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  2. History of polymerase chain reaction - Wikipedia

    en.wikipedia.org/wiki/History_of_polymerase...

    The 'Taq PCR' paper [24] became for several years the most cited publication in biology. After the publication of the first PCR paper, [16] the United States Government sent a stern letter to Randy Saiki, admonishing him for publishing a report on "chain reactions" without the required prior review and approval by the U.S. Department of Energy.

  3. Real-time polymerase chain reaction - Wikipedia

    en.wikipedia.org/wiki/Real-time_polymerase_chain...

    Real time PCR uses fluorophores in order to detect levels of gene expression. Cells in all organisms regulate gene expression by turnover of gene transcripts (single stranded RNA): The amount of an expressed gene in a cell can be measured by the number of copies of an RNA transcript of that gene present in a sample. In order to robustly detect ...

  4. Polymerase chain reaction - Wikipedia

    en.wikipedia.org/wiki/Polymerase_chain_reaction

    A strip of eight PCR tubes, each containing a 100 μL reaction mixture Placing a strip of eight PCR tubes into a thermal cycler. The polymerase chain reaction (PCR) is a method widely used to make millions to billions of copies of a specific DNA sample rapidly, allowing scientists to amplify a very small sample of DNA (or a part of it) sufficiently to enable detailed study.

  5. Multiplex polymerase chain reaction - Wikipedia

    en.wikipedia.org/wiki/Multiplex_polymerase_chain...

    Multiplex-PCR consists of multiple primer sets within a single PCR mixture to produce amplicons of varying sizes that are specific to different DNA sequences. By targeting multiple sequences at once, additional information may be gained from a single test run that otherwise would require several times the reagents and more time to perform.

  6. Digital polymerase chain reaction - Wikipedia

    en.wikipedia.org/wiki/Digital_polymerase_chain...

    Droplet Digital PCR (ddPCR) is a method of dPCR in which a 20 microliter sample reaction including assay primers and either Taqman probes or an intercalating dye, is divided into ~20,000 nanoliter-sized oil droplets through a water-oil emulsion technique, thermocycled to endpoint in a 96-well PCR plate, and fluorescence amplitude read for all ...

  7. Taq polymerase - Wikipedia

    en.wikipedia.org/wiki/Taq_polymerase

    It is frequently used in the polymerase chain reaction (PCR), a method for greatly amplifying the quantity of short segments of DNA. T. aquaticus is a bacterium that lives in hot springs and hydrothermal vents, and Taq polymerase was identified [1] as an enzyme able to withstand the protein-denaturing conditions (high temperature) required ...

  8. Whole genome bisulfite sequencing - Wikipedia

    en.wikipedia.org/wiki/Whole_genome_bisulfite...

    As the costs of next-generation sequencing have decreased, whole genome bisulfite sequencing has become more widely used in clinical and experimental research. [3] Currently, multiple public datasets of genomic data have been established, and this technique has recognized and tested approximately 95% of all cytosines in known genomes.

  9. STR analysis - Wikipedia

    en.wikipedia.org/wiki/STR_analysis

    Scientific tools such as FBI approved STRmix incorporate this research technique. [4] [5] Forensic science takes advantage of the population's variability in STR lengths, enabling scientists to distinguish one DNA sample from another. The system of DNA profiling used today is based on PCR and uses simple sequences [6] or short tandem repeats ...