Team:GeorgiaTech/Lambda Recombineering

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Revision as of 20:34, 27 September 2013

Contents

Purpose

To replace the dsbA from BL21(De3) strain of E. coli

Background

Starting Materials

  • Vector containing Lambda Red Recombinase (Temperature Sensitive 30C , Ampicillin Resistant)
  • Electrocompetent BL21 (De3) Cells

Design

First, PKD46 needs to be transformed into an electrocompetent BL21(DE3)

This was done using the electrocompetent transformation protocol

Full protocol that will be followed is shown here: File:BK-igem13-Recombineering (1).pdf

Results

July 17th, 2013

Electrocompetent transformation is done in order to transform the pkd46 vector into competent bl21(DE3) cells. The transformants were plated on an ampicillin plate.

July 18th, 2013

No growth, transformation failed.

July 19th, 2013

Transformation is repeated.

July 20th, 2013

No growth on plates yet.

July 21th, 2013

Good growth on plates. PLD46 vector has successfully been transformed into the BL21(DE3) cells.

IMAG0033.jpg

An LB + Amp media solution is made and inoculated with a single colony

July 22th, 2013

The Bl21(DE3) strain hosting the pKD46 vector is made electrocompetent, and the dsba mutant dna (kanamycin cassette) is transformed into the cells. Cells are plated on Kanamycin + LB agar plates.

July 23th, 2013

No growth on kanamycin plates. Transformation failed