Daniel:Notebook/PosSequencing/2017-5-25
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Emulsion PCR Test 2
From the results on
Protocol
- Oil Production
- Start from Monday April 14's oil prep (Span80-4.5%, Tween20-0.1%, TritonX100-0.05% in mineral oil)
- Template-Bead Binding; Make 4 samples and follow this protocol for each
- Suspend 5 uL (50 ug, ~50M beads) beads in 100 uL Dynabuffer
- Apply magnet for 30 sec and remove supernatant
- Suspend in 20 uL Dynabuffer (conc. 2.5 ug/uL)
- Add 2 uL 1 uM (10 pmol total, 2X excess) template oligo and 18 uL nfH2O per sample to bead solution; incubate at RT for 15 min
- Wash beads with 100 uL wash buffer; vortex to suspend; apply magnet and remove supernatant
- Repeat wash step
- Resuspend beads in 10 uL TE buffer
- Mix together the three suspensions of beads with different oligos
- Mix ingredients using the following table
- Aliquot 90 uL master mix into 4 tubes
- Add 10 uL appropriate primers according to sample table
- Aliquot 50 uL each non-emulsion sample into new tubes (A/B)
- Oil-Aqueous Mixing
- Mix 20 uL aqueous into 200 uL oil mixture
- Vortex for 30 seconds
- Repeat mixing to 100 uL (5 times)
- Mix with vortexer for 3 minutes
- Dilute with pure mineral oil for imaging (1:100)
- Distribute 300 uL total volume into 6 tubes, 50 uL each; use same pipette tip; only made 5 (oil sticks to tip)
- Emulsion PCR
- Perform PCR with the following settings
- 95C 2 min
- 95C 20 sec
- 58C 30 sec
- 70C 30 sec
- Goto b 40 times
- 95C 30 sec
- 68C 3 min
- Goto f 20X times
- 4C forever
Component | Ion Torrent Concentration | My uL Added- Sample (Single) | My Final Concentration |
DreamTaq 10X PCR Buffer (20 mM MgCl2) | 1X | 10 | 1X |
10 mM dNTPs | 2.5 mM | 25 | 2.5 mM |
25 mM MgCl2 | 3.5 mM | 6 | 3.5 mM |
100 uM Primer A (Free primer-Primer 2) | 9 uM | 5 | 5 uM |
10 uM Primer B (Bound primer-Primer 1) | 0.1 uM | 1 | 0.1 uM |
Hydrogel beads, 2M/uL | 50 Million | 10 | 60 M |
DreamTaq Polymerase (5 U/uL) * | 90 Units | 18 | 90 Units |
DNA template 2nd Dilution (Barcode Oligos 1 pM) | 0.12 pM | 10 | 0.012 fmol total (0.006 fmol each?) |
1 M Ammonium Sulfate | 5 mM | 0 | 0 |
1 mM Spermidine*** | 100 uM | 10 | 0 |
TIPP | NA | 0 | 0 |
Water | NA | 5 | NA |
Total Volume | 100 |
Barcode Oligo Production (Started Yesterday)
Protocol
- Qiaquick Column Note: I will be pooling samples and double loading columns, yielding 4 samples per column (2 columns per barcode oligo, 12 columns total)
- Pool 4 samples and 1000 uL PB (5X binding buffer)
- Load sample onto column and spin for 1 minute at 14000 rpm; discard flow through
- Add another 600 uL pooled sample to columnand spin for 1 minute at 14000 rpm; discard flow through
- Add 700 uL PE (wash buffer) to column and spin for 1 minute at 14000 rpm; discard flow through
- Dry spin column for 1 minute at 14000 rpm; discard flow through
- Let stand with cover open in fume hood for ~5 minutes
- Transfer column to a new 1.5 mL eppendorf tube
- Add 35 uL nfH2O to column
- Let stand 1 minute
- Spin for 1 minute at 14000 rpm
- Pool samples when finished; concentrate if desired
- TBE Gel
- Mix 160 uL TBE and 40 uL 6X dye
- Aliquot 10 uL mix to parafilm
- Add 2 uL sample or 1.5 uL ladder to appropriate aliquot
- Add 10 uL mix to appropriate lane
- Run gel at 240V for 24 minutes
- Open gel and stain with 2 uL SYBR gold for 3 minutes
- Rinse and image in gel doc
- Qubit
- Mix 1194 uL dsDNA buffer and 6 uL dye
- Aliquot 190 uL to standard tubes and 199 uL to dye tubes
- Add 10 uL standard or 1 uL dye
- Vortex and spin down
- Let sit 5 minutes in the dark
- Measure in the Qubit
Results
Sample | Qubit Conc (ug/mL) | Amount (nM) | Total Amount (fmol) | Amplification (Over 40 amol) |
Barcode Oligo v1 (EcoRI) | 33.0 | 526.3 | 3.16E+04 | 7.89E+08 |
Barcode Oligo v2 (EcoRI) | 20.0 | 319.0 | 2.87E+04 | 7.18E+08 |
Barcode Oligo v3 (EcoRI) | 33.7 | 537.5 | 3.22E+04 | 8.06E+08 |
Barcode Oligo v1 (Uracil) | 26.3 | 419.5 | 2.52E+04 | 6.29E+08 |
Barcode Oligo v2 (Uracil) | 32.6 | 519.9 | 3.12E+04 | 7.80E+08 |
Barcode Oligo v3 (Uracil) | 33.6 | 535.9 | 3.22E+04 | 8.04E+08 |
- 2017-05-25-PosSeq-BarcProduction-EcoRI.png
EcoRI Samples
- 2017-05-25-PosSeq-BarcProduction-Uracil.png
Uracil samples