Team:Newcastle/12 July 2010

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(Difference between revisions)
(Colony PCR)
(Materials and Protocol)
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===Materials and Protocol===
===Materials and Protocol===
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Please refer to [[Team:Newcastle/PCR|PCR]].
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Please refer to [[Team:Newcastle/PCR|PCR]]. The melting temperature of this experiment is 54°C.
 +
 
===Conditions===
===Conditions===
* Melting temperature = 54°C
* Melting temperature = 54°C

Revision as of 15:33, 6 August 2010

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Contents

LacI BioBrick Construction

P7120450.JPG

Aims

To use PCR to extract lacI (promoter, ribosome-binding site (RBS) & coding sequence (CDS)) from plasmid pMutin4 and ligate into vector pSB1AT3 in front of red fluorescent protein (RFP).

Summary:

  1. Colony PCR
  2. Streak plate
  3. Miniprep PCR - of colonies that worked

Materials

  • PCR reagents
  • Agar plates
  • Gloves
  • Wire loop

Colony PCR

Of the 11 plates with colonies grown 7 were used for colony PCR and Streak plating. Colony PCR is less accurate than the mini prep however results can be seen quicker whereas the miniprep has a 1 day wait. The colonies selected selected were satellite colonies because ampicillin degraded???

7 Tubes were labelled 1-7 (+ a control)

The quantities for the PCR are as follows:

P7120427.JPG

Materials and Protocol

Please refer to PCR. The melting temperature of this experiment is 54°C.

Conditions

  • Melting temperature = 54°C

Note There are 2 possible reasons for red colonies formed:

  1. partial digest - rejoins without insert
  2. with insert

We need to tell the difference between the two.

Note PCR is best when everything is kept on ice!

Note Melting temperatures of primers is important and can have a big effect on the product formed (Temperature used see Thursday)

Spread Plates

P7120408.JPG
P7120409.JPG
P7120418.JPG

Overnight culture

The seven colonies that grew on the plates were cultured overnight. The protocol for growing an overnight culture was followed.

Tommorrow

We are going to take one of the colonies that have worked and possibly a whole plasmid prep.

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