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Variants of PCR information


The versatility of polymerase chain reaction (PCR) has led to modifications of the basic protocol being used in a large number of variant techniques designed for various purposes. This article summarizes many of the most common variations currently or formerly used in molecular biology laboratories; familiarity with the fundamental premise by which PCR works and corresponding terms and concepts is necessary for understanding these variant techniques.

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Variants of PCR

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The versatility of polymerase chain reaction (PCR) has led to modifications of the basic protocol being used in a large number of variant techniques designed...

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Polymerase chain reaction

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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...

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Overlap extension polymerase chain reaction

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reaction (or OE-PCR) is a variant of PCR. It is also referred to as Splicing by overlap extension / Splicing by overhang extension (SOE) PCR. It is used assemble...

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Reverse transcription polymerase chain reaction

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between RT-PCR and qPCR has led to metonymic use of the term qPCR to mean RT-PCR. Such use may be confusing, as RT-PCR can be used without qPCR, for example...

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Digital polymerase chain reaction

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Digital polymerase chain reaction (digital PCR, DigitalPCR, dPCR, or dePCR) is a biotechnological refinement of conventional polymerase chain reaction methods...

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Vectorette PCR

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Vectorette PCR was first noted and described in an article in 1990 by John H. Riley and his team. Since then, multiple variants of PCR have been created...

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Molecular diagnostics

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that amplify the variant of interest more efficiently than wildtype sequence. PCR is currently the most widely used method for detection of DNA sequences...

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Inverse polymerase chain reaction

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(Inverse PCR) is a variant of the polymerase chain reaction that is used to amplify DNA with only one known sequence. One limitation of conventional PCR is...

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Hot start PCR

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Hot start PCR is a modified form of conventional polymerase chain reaction (PCR) that reduces the presence of undesired products and primer dimers due...

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Rapid amplification of cDNA ends

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of a cDNA copy of the RNA sequence of interest, produced through reverse transcription, followed by PCR amplification of the cDNA copies (see RT-PCR)...

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Protein engineering

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g. by error-prone PCR or sequence saturation mutagenesis, is applied to a protein, and a selection regime is used to select variants having desired traits...

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Reverse complement polymerase chain reaction

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Reverse complement polymerase chain reaction (RC-PCR) is a modification of the polymerase chain reaction (PCR). It is primarily used to generate amplicon libraries...

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Taq polymerase

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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...

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Amplicon sequence variant

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"amplicon reads," are created following the removal of erroneous sequences generated during PCR and sequencing, using ASVs makes it possible to distinguish...

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Duplex sequencing

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sequencing is in the detection of DNA/RNA copy numbers by estimating the relative frequency of variants. A method for counting PCR template molecules with application...

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DNA microarray

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spotted microarrays, the probes are oligonucleotides, cDNA or small fragments of PCR products that correspond to mRNAs. The probes are synthesized prior to deposition...

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DNA synthesis

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polymerase is combined with selective PCR amplification to produce many copies of mutant DNA. RT-PCR differs from conventional PCR as it synthesizes cDNA from mRNA...

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Melting curve analysis

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genetic variants and in ensuring the accuracy of the quantification. dHRM is enabled by the use of sensitive DNA-binding dyes and digital PCR instrumentation...

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Structural variation

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However, the operational range of structural variants has widened to include events > 50bp. Some structural variants are associated with genetic diseases...

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