User:Karmella Haynes/Notebook/PcTF Genomics/2013/01/25: Difference between revisions

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--> 15 min./ r.t.<br>
--> 15 min./ r.t.<br>
--> Zymo clean and concentrator, elute with 10 μL st.dH<sub>2</sub>O<br>
--> Zymo clean and concentrator, elute with 10 μL st.dH<sub>2</sub>O<br>
--> Store at -20°C


----


 
Day 2 (1/26/13)<br>
<u>Size Select the Library</u><br>
<u>Size Select the Library</u><br>
> Run all samples (+ loading buffer) in a 2% TAE gel<br>
> Run all samples (+ loading buffer) in a 2% TAE gel<br>

Revision as of 18:13, 26 January 2013

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01/25/13

  • Illumina ChIP-seq prep: input DNA


Illumina ChIP-seq prep
> Follow manufacturer's protocol, with some modifications
> Sample (dated 12/04/10):

  1. "29, FTrx fx Input" (plain cells) -- this sample was used for the original ChIP-PCR experiments [1]


Perform End Repair
Note: forgot to dilute Klenow 1:5 with water before use

Reagent Volume
Input DNA 30.0 μL
dH2O 10.0
T4 DNA ligase buffer 5.0
dNTP mix 2.0
T4 DNA Polymerase 1.0
Klenow DNA polymerase 1.0
T4 PNK 1.0
  50 μL

--> 20°C/ 30 min. (PCR machine)
--> QIAquick PCR Purification, elute with 34 μL EB


Add 'A' Bases to the 3' End of the DNA Fragments

Reagent Volume
DNA sample 34.0 μL
Klenow buffer 5.0
dATP 10.0
Klenow exo 1.0
  50 μL

--> Aliquot 16 μL master mix into DNA
--> 37°C/ 30 min. (heat block)
--> Zymo clean and concentrator, elute with 10 μL st.dH2O


Ligate Adapters to DNA Fragments
Note: Did not dilute the adapter oligo mix

Reagent Volume Master Mix
DNA sample 10.0 μL ---
DNA ligase buffer 15.0 90.0
Adapter oligo mix 1.0 6.0
DNA ligase 4.0 24.0
  30 μL

--> Aliquot 20 μL to DNA samples
--> 15 min./ r.t.
--> Zymo clean and concentrator, elute with 10 μL st.dH2O
--> Store at -20°C

Day 2 (1/26/13)

Size Select the Library
> Run all samples (+ loading buffer) in a 2% TAE gel
> Use 100 bp ladder to excise area from 150 - 250
> Purify DNA with a Zymoclean Gel DNA recovery kit
> Elution: 2x 10 μL, add 16 μL st.dH2O to eluate (36 μL total)

Gel purification 12/14/11


Enrich the Adapter-Modified DNA Fragments by PCR

Reagent Volume Master mix (6x)
DNA 36.0 μL ---
5x Phusion buffer 10.0 60.0
dNTP mix 1.5 9.0
PCR primer 1.1 1.0 6.0
PCR primer 2.1 1.0 6.0
Phusion polymerase 0.5 3.0
  50.0 μL

--> PCR machine (heat lid 100°C):

  • 98°C, 30 sec
  • 18x [98°C, 10 sec/ 65°C, 30 sec/ 72°C, 30 sec]
  • 72°C, 5 min
  • 4°C, ∞

--> Zymo clean and concentrator, elute with 15 μL st.dH2O




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