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Published byThomas Welch Modified over 9 years ago
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QoD (HB) 5-31-11 Do you remember what a plasmid is?
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Plan of the Day (HB) How engineering bacteria works Overview and points to consider for pGLO bacterial transformation lab tomorrow Presentations
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How can bacteria exchange genes? Through tunnel like connections Viruses carry bacterial genes Bacteria take up DNA from surrounding environment
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Recombinant DNA Technology Some Bacteria are used to mass produce specific desirable genes and proteins
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Cutting and Pasting DNA
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Restriction enzymes cut DNA molecules at specific locations Fragments of DNA spliced together from two different sources produces a recombinant DNA molecule
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Cloning of a human gene for a hypothetical protein V
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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
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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
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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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