Genetic Transformation

Image Credit to Biology LibreTexts.

Genetic transformation allows us to insert genes from one organism to another. 

Uses: 

  1. Agriculture: You can introduce genes that increase frost, pest, or spoilage resistance in crops

  2. Bioremediation (using microorganisms to help decrease pollution): bacteria genes can be transformed to digest oil spills 

  3. Medicine: Genetic disorders can be treated with gene therapy 

Green Fluorescent Protein (GFP): 

  1. Gene that codes for Green Fluorescent Protein 

  2. From a bioluminescent jellyfish Aequorea victoria 

Transmission of Plasmids: Besides having one chromosome, bacteria store beneficial genes in plasmids, which are circular pieces of DNA 

  • Bacteria can trade back and forth between other bacteria to share genes

  • Antibiotic resistance is actually from the transmission of plasmids 


The pGLO plasmid encodes the gene for GFP, a gene for resistance to the antibiotic ampicillin,  and a gene regulation system that can control the expression of fluorescent protein. Transformed cells will appear white! 

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Amplifying the PV92 Gene from Cheek Cells

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Cardiovascular Research: Visual Slideshow