Team:USyd-Australia/pUS204

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pUS204 Gene Cassette in pSB1C3 backbone

Aim

To construct a reporter gene cassette consisting of aeBlue reporter and gentamicin resistance selective marker, and attC site. The cassette must be cloned into standard iGEM pSB1C3 backbone with all sequences void of forbidden restriction sites as per iGEM requirements. The cassette must be easily recovered as a circular product from the backbone for further work.

Approach

The BioBrick parts were ordered as a synthetic gBlock from IDT, along with primers to amplify the entire gBlock by PCR. pSB1C3 linearised backbone was amplified by PCR using new primers to re-introduce the full biobrick prefix and suffix. The two parts were joined by restriction-ligation using EcoRI and PstI. The components will be assembled as a circular plasmid in the order: pSB1C3 → aacC1 GmR → aeBlue → AttC → pSB1C3

Materials

  • DNA
    • pSB1C3, linearised - by PCR
    • aeBlue-aacC1 GmR-AttC - gBlock order from IDT
  • Primers
    • pSB1C3 linearisation primers containing edited biobrick prefix and suffix,
    • aeBlue-aacC1 GmR-AttC gblock linearisation primers
    • 2 sets of junction primers

Method outline

Part 1: Design and order gBlock for aeBlue-AttC construct iGEM10
Part 2: Perform PCR on pSB1C3 linearised backbone (kit
Part 3: Preparation of pSB1C3 backbone by XbaI digestion
Part 4: Gibson Assembly of the three components.

Validation

With thanks to: