Team:Newcastle/25 August 2010

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Gel electrophoresis for single digestion of pSB1C3

Aim

The aim of this experiment is to check if the digestion from yesterday worked.

Materials and Protocol

Please refer to gel electrophoresis for protocol.

Results

The result from gel electrophoresis:

Newcastle 25-08-2010 – Gel 1 (Ethidium Bromide).png

Figure 1 shows the double digest of 12 tubes of pGFPrrnB and yneA.

  • Lane 1: Vector only
  • Lane 2: Tube 1
  • Lane 3: Tube 2
  • Lane 4: Tube 3
  • Lane 5: Tube 4
  • Lane 6: Tube 5
  • Lane 7: Tube 6
  • Lane 8: Tube 7
  • Lane 9: Tube 8
  • Lane 10: Tube 9
  • Lane 11: Tube 10
  • Lane 12: Tube 11
  • Lane 13: Tube 12

Discussion

The bands we got from the gel shows that digestion in tubes 1, 2, 4, 10, 11 and 12 worked.

Conclusion

We use the digested products from the six tubes that worked for ligation.

First transformation of Bacillius subtilis 168 with Prrnb-GFP containing yneA

Aim

To transform yneA into competent B. subtilis.

Materials and Protocol

Please refer to transformation of B. subtilis.

Results and Conclusion

Please refer to results in tomorrow's lab book.

Restriction digestion and gel extraction linearized pSB1C3

Aims

The aim of this experiment is to digested the plasmid pSB1C3 with the restriction enzyme HindIII to linearize it and and to perform gel extraction to purify it.

Materials and protocol

Please refer to the:

Results

  • Lane 1: 1 Kb ladder
  • Lane 2: Linearized plasmid pSB1C3
  • Lane 3: 1 Kb ladder

There is no gel photograph because we want to keep the exposure of DNA to the UV light to an absolute minimum.

Discussion

During gel extraction procedure, we found a bright band of approx During gel extraction procedure, we found a bright band of approximately 3100 bp size in lane 2 under UV light and we cut the gel and extracted the band.

Conclusion

We got linearized plasmid pSB1C3 and we performed gel extraction successfully and the nanodrop protocol showed that we got 12.7 ng/µl concentration of plasmid.

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