Team:Warsaw/Calendar-Main/1 October 2009

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Contents

Isolation of BBa_J63010 from 2009 Kit

Monika

Task:

  • Isolate BioBrick BBa_J63010 from 2009 Kit Plate 1


Methods:

  • Alkaline lysis with A&A Biotechnology Kit, procedure described here
  • Control digestion of BBa_J63010

First reaction mixture composition:

     5μl plasmid solution
     0,3μl EcoRI (Fermentas)
     0,3μl PstI (Fermentas) 
     2μl Buffer Orange (Fermentas)
     12,4 μl MQ water

Second reaction mixture composition:

     5μl plasmid solution
     0,5μl PvuII (Fermentas) 
     2μl Buffer Green (Fermentas)
     12,3 μl MQ water

Digestion in 37°C for 2,5h


Bistable switch testing

Monika

Tasks:

  • Planting GFP expressing clones on LB medium with tetracycline


Cloning of the cro-box into the pSB1A3 plasmid

Kamil


Tasks:

  • Plasmid isolation
  • Control digest

Methods:

  • The plasmids were isolated from 3μl of overnight liquid cultures using the Plasmid Mini kit (A&A Biotechnology).
  • The digest mix was prepared as follows:

    20μl purified plasmid 
    3μl Orange Buffer (Fermentas)
    1μl PstI Enzyme (Fermentas)
    1μl EcoRI Enzyme (Fermentas)
    5μl H2O
  • The digest was carried out in 37°C for 4h.
  • The results were visualized on 2% agarose gel.

Results:

  • Gel (from left):
    1. GeneRuler DNA Ladder Mix #SM0333 (Fermentas)
    2. Sample 1
    3. Sample 2
    4. Sample 3
    5. Sample 4
    6. Sample 5
    7. Sample 6
    8. Sample 7
    9. GeneRuler DNA Ladder Mix #SM0333 (Fermentas)
    10. Sample 8
    11. Sample 9
    12. Sample 10
    13. Sample 11
    14. Sample 12
    15. Sample 13
    16. Sample 14
    17. GeneRuler DNA Ladder Mix #SM0333 (Fermentas)
    18. Sample 15
    19. Sample 16
    20. Sample 17
    21. Sample 18
    22. Sample 19
    23. Sample 20
    24. Sample 21
    25. GeneRuler DNA Ladder Mix #SM0333 (Fermentas)

Conclusions:

  • It all looks promising, samples 1, 2, 3, and 7 were sent to be sequenced.

[UPDATE:] The nucleotides in sample 7 read: "tacctctggcggtgata" (prefix and suffix omitted), which means that we have a proper cro-box!.


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