Dinh:Protocols/Probes Prep Sep28
September 23, 2009
Step 1: Real Time PCR Probe Amplification
1. Prepare 24 Reactions (12x or 1.2ml per tube):
- 1. ddH20, 588 ul
- 2. EconoTag 2x Master Mix, 600 ul
- 3. AP1V4IU (100uM), 3.6 ul
- 4. AP2V4 (100uM), 3.6 ul
- 5. SYBR Green (50x), 4.8 ul
- 6. Template CpG30k (20uM), 0.6 ul
2. Program ("1 step probe preparation"):
- 1. 94C - 2 min
- 2. 94C - 30 s
- 3. 60C - 1 min
- 4. 72C - 45 s
- 5. Plate Read
- 6. Cycle to 2 for 22 more times
- 7. 72C - 5 min
- 8. 15C - forever
- 9. end
3. Stopped at 23 cycles.
Step 2: Ethanol Precipitation
1. Pool all reactions into Solution Basin (55ml)
2. Add:
- NaOAc (3M), 260 ul
- GlycoBlue, 8ul
- Ethanol 100%, 6ml
3. Transfer to 15 ml tube. Store at -70C for more than 20 min
4. Turn on centrifuge (might need to switch the "swirlers")
5. Spin at 3700rpm->20min->4C
6. Remove all supernatant, leave the blue pellet
7. Wash with cold ethanol (75%) ~750ul
8. Move pellet to 1.6ml tube, vortex/mix well
9. Spin at 1000rpm->5min->4C
10. Remove all supernatan, leave 5 min to air dry.
11. Resuspend DNA with 125 ul dH20
12. Leave in 4C overnight.
September 24, 2009
13. Make sure the DNA is homogenized in solution by leaving in 37C incubator for 25 min.
14. Transfer DNA to PCR tubes
Step 3: Exonuclease Treatment
1. Prepare reaction (1x, 150ul):
- PCR product, 116 ul (measured)
- 10x Exo Buffer, 15 ul
- Lambdo Exonuclease (5000 U/ml), 5ul
- ddH20, 14 ul
2. Program ("Exo")
- 37C - 1 hr
- 90C - 10 min
- 4C - forever
Step 4: Purification with QuaQuick Columns
(Optional) 1ul sample with 4ul dH20 for PAGE 1. Add 5x PBI buffer (790 ul)
2. Mix well
3. Load equally to 2 columns
4. Spin at 14000 rpm->1min
5. Empty collection tubes
6. Add 750 ul wash buffer (PE)
7. Spin at 14000rpm->1min