Team:UQ-Australia/Notebook/Protocols
From 2011.igem.org
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- | |rowspan="2"| | + | |rowspan="2"|This page lists the protocols for all the experiments we conducted regularly. Unless otherwise noted, these are the standard procedures we used for each of the processes mentioned below. |
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- | == '''<span style="color:#558822"> | + | == '''<span style="color:#558822"> Glycerol Stocks </span>''' == |
- | + | 1.75mL of bacterial culture is added to 0.5ml of LB+50% glycerol. | |
- | == '''<span style="color:#558822"> | + | == '''<span style="color:#558822"> Gel Electrophoresis </span>''' == |
- | + | 1% w/v agarose gels were used in 1% TAE Buffer. Gels were run at 70v for 30mins. | |
- | + | == '''<span style="color:#558822"> PCR </span>''' == | |
+ | |||
+ | Using the Phusion PCR kit: | ||
+ | 25ul Phusion mix | ||
+ | 1.25ul each primer (at 100uM) | ||
+ | 2ul DNA | ||
+ | 1.5ul DMSO | ||
+ | 19ul water | ||
+ | |||
+ | 1. 98C for 30s | ||
+ | 2. 98C for 10s | ||
+ | 3. 65C for 30s | ||
+ | 4. 72C for 30s | ||
+ | 5. 72C for 10min | ||
+ | 6. 12C FOREVER | ||
+ | cycle 34x between 2-4 | ||
+ | |||
+ | == '''<span style="color:#558822"> Miniprep </span>''' == | ||
+ | |||
+ | Using QIAprep Spin Miniprep kit: | ||
+ | 1. Resuspend bacteria pellet in 250ul P1 buffer | ||
+ | 2. Add 250ul P2 buffer and mix by inverting | ||
+ | 3. Add 350ul N3 buffer and mix by inverting | ||
+ | 4. Centrifuge 10mins at max, take supernatant and pipette into QIAprep spin column | ||
+ | 5. Centrifuge 30-60s, discard flow through | ||
+ | 6. Add 0.75ml buffer PE and centrigue 1min, discard flow through | ||
+ | 7. Centrifuge an additional one min to remove residual buffer | ||
+ | 8. Place QIAprep column in a new tube and add 50ul buffer EB, spin for 1min | ||
+ | |||
+ | == '''<span style="color:#558822"> Restriction Digestions </span>''' == | ||
+ | |||
+ | 35ul DNA | ||
+ | 5ul Buffer (10x, NEB buffer 3) | ||
+ | 0.5ul EcoRI | ||
+ | 0.5ul PstI | ||
+ | 0.5ul BSA (100x) | ||
+ | 8.5ul water | ||
+ | |||
+ | Placed in 37C waterbath for 1hr | ||
+ | |||
+ | == '''<span style="color:#558822"> Gel Purification </span>''' == | ||
+ | |||
+ | Using Zymoclean purification kit: | ||
+ | 1. For each volume of agarose, add 3 volumes of ADB and incubate for 10mins at 55C. | ||
+ | 2. Transfer melted agarose into a zymo-spin column and place in a collection tube, centrifuge at max for 1min and then discard liquid. | ||
+ | 3. Add 200ul wash buffer and centrifuge at max for 30s | ||
+ | 4. Add 10ul RNA-free water and spin for 1min. | ||
+ | |||
+ | == '''<span style="color:#558822"> Ligation </span>''' == | ||
+ | |||
+ | USing NEB Quick Ligation kit: | ||
+ | 1ul DNA ligase | ||
+ | 10ul Buffer (2x) | ||
+ | Volume of insert and vector varies depending on concentration | ||
+ | Brought to 20ul total volume with water. | ||
+ | |||
+ | Leave at room temp for 5mins then put on ice. | ||
+ | |||
+ | == '''<span style="color:#558822"> Transformations </span>''' == | ||
+ | |||
+ | 1. Thaw cells (TOP10) on ice. To 25ul of cells add 5ul of the ligation and mix gently. | ||
+ | 2. Incubate on ice for 30mins then heat shock at 42C for 30secs. | ||
+ | 3. Place back on ice for 5mins before adding 1ml of pre-warmed SOC media. | ||
+ | 4. Shake at 37C for 1hr at 225rpm. | ||
+ | 5. Spread 100ul onto a pre-warmed selective plate and incubate overnight at 37C. |
Revision as of 08:55, 4 October 2011