Newcastle University Wetlab/2 September 2008

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Wet lab work was carried out from 4 August to 19 September, Mondays to Fridays. Please click on a day to see the lab notebook.

August
MTWTFSS
        [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/1_August_2008&action=edit 1] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/2_August_2008&action=edit 2] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/3_August_2008&action=edit 3]
[http://2008.igem.org/Newcastle_University_Wetlab/4_August_2008 4] [http://2008.igem.org/Newcastle_University_Wetlab/5_August_2008 5] [http://2008.igem.org/Newcastle_University_Wetlab/6_August_2008 6] [http://2008.igem.org/Newcastle_University_Wetlab/7_August_2008 7] [http://2008.igem.org/Newcastle_University_Wetlab/8_August_2008 8] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/9_August_2008&action=edit 9] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/10_August_2008&action=edit 10]
[http://2008.igem.org/Newcastle_University_Wetlab/11_August_2008 11] [http://2008.igem.org/Newcastle_University_Wetlab/12_August_2008 12] [http://2008.igem.org/Newcastle_University_Wetlab/13_August_2008 13] [http://2008.igem.org/Newcastle_University_Wetlab/14_August_2008 14] [http://2008.igem.org/Newcastle_University_Wetlab/15_August_2008 15] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/16_August_2008&action=edit 16] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/17_August_2008&action=edit 17]
[http://2008.igem.org/Newcastle_University_Wetlab/18_August_2008 18] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/19_August_2008&action=edit 19] [http://2008.igem.org/Newcastle_University_Wetlab/20_August_2008 20] [http://2008.igem.org/Newcastle_University_Wetlab/21_August_2008 21] [http://2008.igem.org/Newcastle_University_Wetlab/22_August_2008 22] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/23_August_2008&action=edit 23] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/24_August_2008&action=edit 24]
[http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/25_August_2008&action=edit 25] [http://2008.igem.org/Newcastle_University_Wetlab/26_August_2008 26] [http://2008.igem.org/Newcastle_University_Wetlab/27_August_2008 27] [http://2008.igem.org/Newcastle_University_Wetlab/28_August_2008 28] [http://2008.igem.org/Newcastle_University_Wetlab/29_August_2008 29] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/30_August_2008&action=edit 30] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/31_August_2008&action=edit 31]
September
MTWTFSS
[http://2008.igem.org/Newcastle_University_Wetlab/1_September_2008 1] [http://2008.igem.org/Newcastle_University_Wetlab/2_September_2008 2] [http://2008.igem.org/Newcastle_University_Wetlab/3_September_2008 3] [http://2008.igem.org/Newcastle_University_Wetlab/4_September_2008 4] [http://2008.igem.org/Newcastle_University_Wetlab/5_September_2008 5] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/6_September_2008&action=edit 6] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/7_September_2008&action=edit 7]
[http://2008.igem.org/Newcastle_University_Wetlab/8_September_2008 8] [http://2008.igem.org/Newcastle_University_Wetlab/9_September_2008 9] [http://2008.igem.org/Newcastle_University_Wetlab/10_September_2008 10] [http://2008.igem.org/Newcastle_University_Wetlab/11_September_2008 11] [http://2008.igem.org/Newcastle_University_Wetlab/12_September_2008 12] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/13_September_2008&action=edit 13] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/14_September_2008&action=edit 14]
[http://2008.igem.org/Newcastle_University_Wetlab/15_September_2008 15] [http://2008.igem.org/Newcastle_University_Wetlab/16_September_2008 16] [http://2008.igem.org/Newcastle_University_Wetlab/17_September_2008 17] [http://2008.igem.org/Newcastle_University_Wetlab/18_September_2008 18] [http://2008.igem.org/Newcastle_University_Wetlab/19_September_2008 19] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/20_September_2008&action=edit 20] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/21_September_2008&action=edit 21]
[http://2008.igem.org/Newcastle_University_Wetlab/22_September_2008 22] [http://2008.igem.org/Newcastle_University_Wetlab/23_September_2008 23] [http://2008.igem.org/Newcastle_University_Wetlab/24_September_2008 24] [http://2008.igem.org/Newcastle_University_Wetlab/25_September_2008 25] [http://2008.igem.org/Newcastle_University_Wetlab/26_September_2008 26] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/27_September_2008&action=edit 27] [http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/28_September_2008&action=edit 28]
[http://2008.igem.org/wiki/index.php?title=Newcastle_University_Wetlab/29_September_2008&action=edit 29] [http://2008.igem.org/Newcastle_University_Wetlab/30_September_2008 30]

Tuesday 2nd September

  • The 3 ON cultures were isolated by dividing each 20ml tube into 2 x 5ml tubes. These were centrifuged for 10 minutes to pellet.
  • Once isolated, we ran 5μl of each sample on a gel to check for the presence of plasmid. As you can see from lanes 1-7 on the gel below, there was plenty of pGFP-rrnB but not much of pJWV021. Also, the pUC57-ncl08 samples look 'dirty' (see grey smears).
  • As a result, for the restrictions we decided to use more of the pUC57-ncl08 and pJWV021 (in a total volume of 100µl for the restrictions, we used 40µl of plasmid for the pUC57-ncl08 restriction, 30µl for the pJWV021 restriction and 20µl for the pGFP-rrnB restriction).
  • After incubation, we ran the restriction products on a gel. 
  Expected band sizes:
              * Lane 9: ~ 7.9kb and 0.5kb
              * Lane 10: ~ 6.6kb and 0.5kb       
              * Lane 11: ~ 2.2kb and 2.7kb
              * lane 12: ~ 2.2kb and 2.7kb

Gel showing our 3 unrestricted plasmids, along with the 4 restrictions

Lane 1: 1kb ladder

Lane 2: Unrestricted pGFP-rrnB sample 1

Lane 3: ‘’ ‘’ sample 2

Lane 4: Unrestricted pJWV021 sample 1

Lane 5: ‘’ ‘’ sample 2

Lane 6: Unrestricted pUC57-ncl08 sample 1

Lane 7: ‘’ ‘’ sample 2

Lane 8: 1kb ladder

Lane 9: pGFP-rrnB restricted with EcoR1 and Nhe1

Lane 10: pJWV021 restricted with BglII and Nhe1

Lane 11: pUC57-ncl08 restricted with EcoR1 and Nhe1

Lane 12: pUC57-ncl08 restricted with BglII and Nhe1

The gel showed that our restrictions were successful. Before we moved on to ligating, we purified the 4 restricted samples using the PCR DNA purification kit to remove the enzymes.

For the ligations we made each reaction mixture to 25µl (using 1.5µl of T4 ligase and 2.5µl of 10x ligase buffer). We incubated our samples for 1 hour in a 27˚C water bath.

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