Protocols & Experiments
Universal Lab Protocols
Agarose Gel Preparation
- Add 50mL of 1X TAE buffer to a 500mL erlenmeyer flask
- Add 0.5g of 1% agarose
- Microwave for three 20 second intervals and cool slightly
- Add 1ul Ethidium Bromide
- Mix and pour into gel box. Add Comb
- Cool for 30 minutes
YPD Media
-
For liquid media
- Add 20g of Bacto peptone, 10g of yeast extract and 950mL of water to a flask
- Autoclave on the liquid setting
- Add 50mL of 40% glucose and mix
For solid media
- Add same reagents as liquid, plus 24g of Bacto agar
- Autoclave
- Stir on a magnetic stir plate and add 50ml of 40% glucose
- Pour into petri dishes
LB Broth
Add items to flask:
- 5g Tryptone
- 2.5g Yeast Extract
- 5g NaCl
- H2O filled to 500mL
- Mix with magnetic stir bar on low heat, autoclave for liquids
Nanodrop
- Select Nucleic Acid
- Clean, drop 1ul water, measure
- Blank
- Measure with 1ul of substance
- For PCRs: 260/280 ratio should be near 2
LB Agar
Add items to flask:
- 5g Tryptone
- 2.5g Yeast Extract
- 5g NaCl
- 7.5g Agar
- H2O filled to 500mL
- Mix with magnetic stir bar on low heat, autoclave for liquids
- Monarch Plasmid Miniprep Kit
- Monarch DNA Gel Extraction Kit
- Monarch PCR & DNA Cleanup Kit
NEB Monarch Nucleic Acid Purification Protocols
The following NEB kits were used and protocols can be found on their website
Digestion
- Add Nuclease free water to a 2ml test tube
- Add 10X buffer for restriction enzymes
- Add restriction Enzymes
- Add DNA using (DNA needed in ng/concentration in ug/ul) = ul
- Make negative controls without the enzymes
- Make up volume with nuclease free water
- Amounts of reagents listed below
50ul Reaction
Content | ul |
---|---|
Nuclease-free water | Bring to volume |
10X Buffer | 5 |
Restriction Enzymes | 1 each |
DNA | Calculate volume for 2ug DNA |
10ul Reaction
Content | ul |
---|---|
Nuclease-free water | Bring to volume |
10X Buffer | 5 |
Restriction Enzymes | .5 each |
DNA | Calculate volume for 2ug DNA |
Transformation
- Thaw competent E. coli cells on ice and pipette 50ul cells into a transformation tube
- Add 1-5ul containing 1pg-100ng of plasmid DNA and flick tube 4-5 times
- Place tube on ice for 30 minutes
- Heat shock at 42°C for 30 seconds
- Place on ice for 5 minutes
- Add 950ul room temperature SOC to mixture
- Incubate at 37°C for 60 minutes at 250rpm
- Mix and perform several 10-fold serial dilutions in SOC
- Spread 50-100ul onto a plate and incubate overnight at 37°C