Team:Illinois/Antibody GPCR Fusion Notebook

From 2008.igem.org

Revision as of 22:38, 29 October 2008 by Nbakshi2 (Talk | contribs)

(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)

Recipes

Tris-Cl, 1M
- Dissolve 121g Tris base in 800ml H2O
- Adjust to desired pH with concentrated HCl
- Mix and add H2O to 1 liter
- (Approximately, 20ml HCl for pH 7.4 and 42ml for pH 8.0)

EDTA, 0.5M (pH 8.0)
- Dissolve 186.1g Na2 EDTA-2H2O in 700ml H20
- Adjust pH to 8.0 with 10M NaOH(~50ml)
- Add H2O to 1 liter

Breaking buffer - 100ml
- 2ml Triton X-100
- 1ml Sodium dodecyl sulfate (SDS)
- 0.5844g NaCl (100mM)
- 1ml 1M Tris-Cl pH 8.0 (10mM)
- 200uL 0.5M EDTA (1mM)

22nd July

Yeast obtained from Dr. Zhao
- W303a S. Cerevisiae

24th July

Prepared liquid culture for DNA extraction
Made 1M Tris. Cl pH 8.0
Made 4M ammonium acetate

22nd August

Attempted DNA extraction of W303a genomic DNA
- Protocol from Wiley's Current Protocols in Molecular Biology
- Result: Failed to finish protocol
Obtained more yeast from Dr. Zhao
- W303a S. cerevisiae

25th August

Prepared overnight culture for DNA extraction (3:27pm)

26th August

Attempted DNA extraction
Prepped overnight culture

27th August

Performed PCR: PGK Terminator

Buffer G	12.5uL	x4	50uL
Forward Primer	0.5uL	x4	2uL
Reverse Primer	0.5uL	x4	2uL
H2O	10.8uL	x4	43.2uL
Taq	0.2uL	x4	0.8uL
template	0.5ul
Negative control	3 H2O

PCR program:
- 4 min 94 degrees
- 25-30x 30s 94 degrees
- 30s Tm primers
- 1 min/KB 72 degrees
- 7 min 72 degrees

For the gel: 5uL loading dye gel is in cold room

Prepped 3 overnight cultures

28th August

Extracted DNA from 4 cultures
Ran gel of PCR products (1.5% agarose, 200V)
- Result: No bands present

2nd September

PCR: PGK Terminator

Mastermix	10uL	x3	30uL
Forward Primer	0.5uL	x3	1.5uL
Reverse Primer	0.5uL	x3	1.5uL
Template	10uL	x3	30uL
H2O	10.8uL	x4	43.2uL
Negative control	25uL H2O

3rd September

Ran gel
- Ladder lane 7
- Sample 7 spilled
- 1% agarose
- 120V
  - Too low
- 50 minutes
Poor results

8th September

PCR: PGK Terminator

Mastermix	10uL	x3	30uL
Forward Primer	0.5uL	x3	1.5uL
Reverse Primer	0.5uL	x3	1.5uL
Template	14uL	x3	42uL

Prepped 4 overnight cultures
- Yeast dried out again

9th September

Signs of life in 3 of the cultures
- Wait until tomorrow
Ran gel on PCR from 8th September
- 150V, 50 minutes
- No sign of DNA
Ladder from Courtney

10th September

Split culture
Ran gel from 8th September again
- 150V, 50 minutes
- 0.75% gel
- Ladder from Courtney

11th September

PCR: PGK Terminator

Mastermix	10uL	x3	30uL
Forward Primer	0.5uL	x3	1.5uL
Reverse Primer	0.5uL	x3	1.5uL
Template	14uL	x3	42uL

12th September

Isolated genomic DNA from 8 cultures of W303a yeast cells
- Protocol from Wiley's Current Protocols in Molecular Biology
- Labeled templates 1,2,3,4 and 1a,2a,3a,4a

Ran gel of PCR from 11th September
- 1% agarose
- 150V
- 38 mins
  - Poor results

15th September

PCR PGK Promotor
- Finnzymes Phusion High Fidelity DNA Polymerase
  - F-530, 20V (2V/uL)

5x Phusion HF Buffer	10uL	x3	30uL
10mM dNTPs	1uL	x3	3uL
Primer A(Forward)	1uL	x3	3uL
Primer B(Reverse)	1uL	x3	3uL
Template 1	10uL	x3	30uL
Phusions DNA polymerase	0.5uL	x3	1.5uL
H2O	26.5uL	x3	79.5uL

18th September

Ran reaction mentioned on 15th September
Extracted DNA from gel from 8th September (PGK Terminator)

Tube	Gel(g)
1	0.332
2	0.278
3	0.307
4	0.349
5	0.385

19th September

Gel of PGK Promotor from 15th September has no DNA present

23rd September

PCR: Fus1 Downstream
EPICENTRE Bioetechnologies - MasterAmp(TM) Taq DNA Polymerase

Per 50uL of reaction,

MasterAmp Taq 10x PCR Buffer	5uL
1mM dNTPs	1uL
Primer 1	0.5uL
Primer 2	0.5uL
25mM MgCl2	2uL
Taq DNA Polymerase	0.25uL
Template 2	20uL
Water	20.75uL

PCR Settings:
- 4mins, 94 degree celcius
- 30s, 94 degree celcius
- 30s, 5 degrees below primer melting temperature
- 1 min, 72 degree celcius -- to step 2 -- 30x
- 7 min, 72 degree celcius

24th September

Ran gel of Fus1 Downstream from 23rd September
- Result: No DNA present on gel

25th September

PCR: Fus1 Upstream

Mastermix	8.25uL	x3	24.75uL
Forward Primer	0.5uL	x3	1.5uL
Reverse Primer	0.5uL	x3	1.5uL
Template 3	20uL	x3	60uL
Water	20.75uL	x3	62.25uL

- same protocol as 23rd September
- Template 3 (3 reactions run)

30th September

PCR: Fus1 Upstream

Mastermix	8.25uL	x3	24.75uL
Forward Primer	0.5uL	x3	1.5uL
Reverse Primer	0.5uL	x3	1.5uL
Template 3	20uL	x3	60uL
Water	20.75uL	x3	62.25uL

- same protocol as 23rd September
- Template 4 and 1a (3 reactions each)

- Gel: 1% agarose, 150V, 35 minutes -> poor results
- lanes 2,3 -> faint smear

1st October

PCR: Ste2

Mastermix	8.25uL	x3	24.75uL
Forward Primer	0.5uL	x3	1.5uL
Reverse Primer	0.5uL	x3	1.5uL
Template 3	20uL	x3	60uL
Water	20.75uL	x3	62.25uL

- same protocol as 23rd September
- Templates 2a, 3a, 4a used (3 reactions each)

8th October

PCR: PGK Terminator

PCR Buffer	5uL
10mM dNTPs	1uL
Forward Primer	1uL
Reverse Primer	1uL
MgCl2	5uL
Taq DNA Polymerase	0.25uL
Template	25uL
Water	11.75uL

- same protocol as 23rd September
- Use DNA extracted from gel on 18th September (5 reactions)
Also extracted DNA from gel from 30th September (Fus1 Upstream)

9th October

PCR: Ste2
- Protocol is the same as 23rd September
- Template used is product from 1st October (9 reactions total)

PCR: Fus1 Upstream
- Protocal matches 23rd September
- Template used was DNA extracted from the gel from the 8th October, which came from the PCR run on 30th September (5 reactions total)

Ran Ste2 gel from today

12th October

PCR: Fus1 (3 reactions each)

13th October

Ran PCR with Fus1
Used 25uL or product, 5uL of loading dye

14th October

Fus1 PCR

MasterAmp Taq 10x PCR Buffer	5uL
1mM dNTPs	1uL
Primer 1	0.5uL
Primer 2	0.5uL
25mM MgCl2	5uL
Taq DNA Polymerase	0.25uL
Template	25uL
Water	11.75uL

Template is reaction from 12th October
Poured three gels
- Ste2 -> third amplification
- Fus1 Upstream ->re-amplify
- PGK Terminator, PGK Promoter, Fus1 Downstream -> from Genomic DNA