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16.4: In Silico PCR

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Using the primer sequences, one can determine the size and/or location of a PCR product. This can be done using BLAST or with a program like UGENE.

Using BLAST

  1. Primers for the PV92 insertion.
    • Forward primer: 5′ GGATCTCAGGGTGGGTGGCAATGCT 3′
    • Reverse primer: 5′ GAAAGGCAAGCTACCAGAAGCCCCAA 3′
  2. Visit BLAST: https://blast.ncbi.nlm.nih.gov/Blast.cgi?PAGE_TYPE=BlastSearch.
  3. Paste both primers:
    • GGATCTCAGGGTGGGTGGCAATGCTGAAAGGCAAGCTACCAGAAGCCCCAA
    • Remove the 5′ and 3′ numbers.
  4. Choose “Somewhat Similar”.
    • Locate the locus of the product and the size.

Using Ugene

  1. Exercise using a human D-Loop Primers.
    • Forward Primer 5’-TTAACTCCACCATTAGCACC-3’
    • Reverse Primer 5’-GAGGATGGTGGTCAAGGGAC-3’
  2. Download the sample Genbank file: Human Mitochondrial Genome.
  3. Open the file in Ugene.
  4. Select the “In Silico PCR” button on the far right (double helix button).
    • Insert forward and reverse primers in the appropriate spaces.

primerbutton

5. A PCR product should be noted for one of the sequences after pressing “Find Products anyway“.


This page titled 16.4: In Silico PCR is shared under a CC BY-NC-SA 4.0 license and was authored, remixed, and/or curated by Bio-OER.

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