Phase 1: PCR Amplification of Genes

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'''A.  Isolating genes for the quorum sensing mechanism from genomic ''B. subtilis'' DNA'''  
'''A.  Isolating genes for the quorum sensing mechanism from genomic ''B. subtilis'' DNA'''  
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#ComX - pheromone, 168bp
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#ComQX: ComQ = 900bp, required accesory protein for ComX production.  ComX = 168bp, pheromone
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::*Primers:  Fwd = CGGAATTCGCTCTAGATGCAAGACCTAATTAACTACTTTTTAAATTATCC
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::*Primers:   
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                      Rev = GACTGCAGCTACTAGTTAATCACCCCATTGACGGGTTATTGG
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:::Fwd = CGGAATTCCCTCTAGATGAAGGAGATTGTGGAGCAAACATATTTAACG
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:::Rev = GACTGCAGCTACTAGTTAATCACCCCATTGACGGGTTATTGG
::*Notes:
::*Notes:
:::Forward primer contains EcoRI and XbaI cut sites; Reverse primer contains SpeI and PstI cut sites
:::Forward primer contains EcoRI and XbaI cut sites; Reverse primer contains SpeI and PstI cut sites
:::Amplification of ComX alone was unsuccessful.  However, ComQ and ComX are adjacent on the genome so we subsequently amplified them together
:::Amplification of ComX alone was unsuccessful.  However, ComQ and ComX are adjacent on the genome so we subsequently amplified them together
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:::Series of DNA gel purifications (Xymo extraction) and PCR amplifications necessary to obtain sufficient quantity.

Revision as of 21:00, 23 October 2006

A. Isolating genes for the quorum sensing mechanism from genomic B. subtilis DNA

  1. ComQX: ComQ = 900bp, required accesory protein for ComX production. ComX = 168bp, pheromone
  • Primers:
Fwd = CGGAATTCCCTCTAGATGAAGGAGATTGTGGAGCAAACATATTTAACG
Rev = GACTGCAGCTACTAGTTAATCACCCCATTGACGGGTTATTGG
  • Notes:
Forward primer contains EcoRI and XbaI cut sites; Reverse primer contains SpeI and PstI cut sites
Amplification of ComX alone was unsuccessful. However, ComQ and ComX are adjacent on the genome so we subsequently amplified them together
Series of DNA gel purifications (Xymo extraction) and PCR amplifications necessary to obtain sufficient quantity.
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