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QoD (HB) 5-31-11  Do you remember what a plasmid is?

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Presentation on theme: "QoD (HB) 5-31-11  Do you remember what a plasmid is?"— Presentation transcript:

1 QoD (HB) 5-31-11  Do you remember what a plasmid is?

2 Plan of the Day (HB)  How engineering bacteria works  Overview and points to consider for pGLO bacterial transformation lab tomorrow  Presentations

3 How can bacteria exchange genes?  Through tunnel like connections  Viruses carry bacterial genes  Bacteria take up DNA from surrounding environment

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5 Recombinant DNA Technology Some Bacteria are used to mass produce specific desirable genes and proteins

6 Cutting and Pasting DNA

7 Restriction enzymes cut DNA molecules at specific locations Fragments of DNA spliced together from two different sources produces a recombinant DNA molecule

8 Cloning of a human gene for a hypothetical protein V

9 Applications of recombinant DNA technology Bacteria engineered to clean up toxic waste Mass-production of useful chemicals Mass production of proteins and hormones for medical uses Develop vaccines against disease-causing microbes Develop genetically modified multicellular organisms

10  pGLO bacterial transformation lab preparation  http://biologywithsaxe.blogspot.com/20 09/01/lab-9-bacterial-transformation- using.html http://biologywithsaxe.blogspot.com/20 09/01/lab-9-bacterial-transformation- using.html

11 Allows bacteria to survive in the presence of ampicillin In the presence of arabinose produces a protein that will turn on the GFP gene When turned on will produce a fluorescent green protein that will glow under UV light

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