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Unformatted text preview: M. 1.0 l of 3 primer at 20 M. 1.0 l of DNA template (usually 10-100 ng of total DNA) .2 ml of PCR enzyme (Taq polymerase) or about 1 unit 50.0 l total volume Cycle Program for "Typical" PCR amplification: Place these reagents in a 200 l PCR tube: 1. 2:00 minutes at 95C (to denature the original template) this is a one-time step! 2. 0:20 seconds at 95C (to denature each successive amplification product) 3. 0:20 seconds at 55C (to allow the primers to anneal) The annealing temperature will vary depending upon your primer selection. 4. 2:00 minute at 72 (DNA synthesis) a good rule of thumb is to have 1 minute for every 1000 bases you need to synthesize 5. Cycle steps 2-4 for 30 times. 6. 10:00 minutes at 72C (allows the enzyme to complete any unfinished strands) 7. 10C for ever (store cold until ready for analysis)...
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This note was uploaded on 11/25/2009 for the course BI 379 taught by Professor Kavaler during the Spring '09 term at Colby.
- Spring '09