Team:University College London/LabBook/Week9

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== Monday 6.7.12 ==
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'''Aim:''' Repeat the inoculation of the ligation products (J23119 + B0034) done last week. Innoculation is only done for the (J23119 + B0034), but not for the (starvation promoter + B0034) because that ligation did not transform.
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'''Method'''
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<html><div class="protocol protocol-ColPic">Picking Colonies Protocol</div><div class="protocolContent"></html>{{:Team:University_College_London/Protocols/ColPic}}<html></div></html>
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Step 2 – Inoculating Colonies into a Selective Broth: The table below indicates the volume of broth and the concentration of antibiotic required for each BioBrick.
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{| class="wikitable"
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|-
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! Ligation !! No. innoculations !! Broth !! Antibiotic
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|-
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| J23119 + B0034 || 3 ||  ||
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|}
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== Tuesday 7 ==
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'''Aim:''' Check results of Colony Picking
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'''Results:''' The table below indicates whether there was growth for the BioBricks ligations
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{| class="wikitable"
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|-
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! Ligation !! Growth/No Growth
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|-
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| J23119+B0034 sample 1 || Growth
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|-
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| J23119+B0034 sample 2|| Growth
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|-
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| J23119+B0034 sample 3 || Growth
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|}
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'''Conclusion:''' We can proceed now to miniprep the samples
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'''Method:'''
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<html><div class="protocol protocol-Miniprep">Miniprep Protocol 1 (ANACHEM)</div><div class="protocolContent"></html>{{:Team:University_College_London/Protocols/Miniprep2}}<html></div></html>
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Was this run on a gel?
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== 8-5==
== 8-5==
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Revision as of 23:13, 20 August 2012

Contents

Monday 6.7.12

Aim: Repeat the inoculation of the ligation products (J23119 + B0034) done last week. Innoculation is only done for the (J23119 + B0034), but not for the (starvation promoter + B0034) because that ligation did not transform.

Method

Picking Colonies Protocol
Step 1 – Creating culture media: In a sterile environment, set up X numbers of falcons, each with 5mls of media.


Step 2 - Inoculating Colonies into a Selective Broth:: Add Yul of antibiotic to reach desired antibiotic concentration.


(For Ampicillin this is 50ug/ml, For Kanamycin it is 25ug/ml, for Tetracycline it is 15ug/ml, and for Chloramphenicol it is 25ug/ml)


Step 4 – Selecting a Colony: Select a clear, isolated colony and using an inoculation hoop scoop up a colony onto the tip. Deposit in the falcon tube


Step 5 - Culture: Culture your falcon tubes overnight at a temperature of 37 oC. Leave for no longer than 16 hours.

Step 2 – Inoculating Colonies into a Selective Broth: The table below indicates the volume of broth and the concentration of antibiotic required for each BioBrick.

Ligation No. innoculations Broth Antibiotic
J23119 + B0034 3


Tuesday 7

Aim: Check results of Colony Picking

Results: The table below indicates whether there was growth for the BioBricks ligations

Ligation Growth/No Growth
J23119+B0034 sample 1 Growth
J23119+B0034 sample 2 Growth
J23119+B0034 sample 3 Growth

Conclusion: We can proceed now to miniprep the samples

Method:

Miniprep Protocol 1 (ANACHEM)

Step 1 - Pellet Cells: Pellet 1.5-5ml bacterial culture containing the plasmid by centrifugation g = 6000

Time = 2 min

Temperature = (15-25oC)

Step 2 - Resuspend Cells: Add 250ul S1 to the pellet and resuspend the cells completely by vortexing or pipetting. Transfer the suspension to a clean 1.5ml microcentrifuge tube.

Step 3 - Puncturing Cell Membrane: Add 250ul S2 gently mix by inverting the tube 4-6 times to obtain a clear lysate. Incubate on ice or at room temperature for NOT longer than 5 min.

Step 4 - Neutralising S2: Add 400ul Buffer NB and gently mix by inverting the tube 6-10 times, until a white precipitate forms.

Step 5 - Centrifuge:

g: 14000

Time:10 minutes

Temperature: (15-25oC)

Step 6 - Centrifuge: Transfer the supernatant into a column assembled in a clean collection tube (provided. Centrifuge:

g = 10,000

Time: 1 minute

Temperature: (15-25oC)

Step 7 - Wash Column: Discard the flow-through and wash the spin column by adding 700ul of Wash Buffer. Centrifuge:

g - 10,000

Time - 1 minute

Temperature: (15-25oC)

Step 8 - Remove residual ethanol: Centrifuge:

g - 10,000

Time - 1 minute

Temperature: (15-25oC)

Step 9 - Elute DNA: Place the column into a clean microcentrifuge tube. Add 50-100ul of Elution Buffer, TE buffer or sterile water directly onto column membrane and stand for 1 min. Centrifuge:

g - 10,000

Time - 1 minute

Temperature: (15-25oC)

Step 10 - Storage: Store DNA at 4oC or -20oC


Was this run on a gel?

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