What is Willy Wonka famous for? - PowerPoint PPT Presentation

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What is Willy Wonka famous for?

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Process where DNA from one species is transferred into DNA of another species. The new strand (with DNA from both species) is called recombinant DNA. Bacteria ... – PowerPoint PPT presentation

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Title: What is Willy Wonka famous for?


1
What is Willy Wonka famous for?
2
Can you remember any of the imaginative
technologies Willy Wonka created?
3
Who worked for him?
  • Oompa Loompas
  • Theyre reaching retirement age!

4
Willy Wonka is looking into new technologies to
produce candy.
  • One technology hes working with is genetic
    engineering.
  • Goal Learn how genetic engineering works and
    apply the technology to other situations.

5
What is Genetic Engineering?
  • Process where DNA from one species is
    transferred into DNA of another species.
  • The new strand (with DNA from both species) is
    called recombinant DNA.

6
Willy Wonkas Genetic Engineering Experiment
  • He wanted to make large quantities of Choco-M, a
    protein that is sweet and chocolaty.
  • How did he do it?
  • In five steps!

7
I. Genetically Engineer a Plasmid
  • 5 Steps
  • Step 1 Remove DNA from the Choco Plant cell

Remove DNA
8
  • Step 2 Remove plasmid DNA from bacteria cell

Remove Plasmid DNA
Plasmid DNA
9
  • Step 3 Cut both with a restriction enzyme.
  • Cut out Cocoa-M gene
  • Cut plasmid with the same restriction enzyme
  • c. These cuts make sticky ends (unparied bases
    at the ends of the strands).

10
  • Step 4 Glue the sticky ends of the gene to
    the sticky ends of the plasmid with another
    enzyme called ligase.

Ligase
11
  • Step 5 Put recombinant plasmid back into
    bacteria. Now this bacteria is genetically
    engineered!

12
Production of Choco-M
  • Do people want to eat bacteria and chocolate
    mixed together?
  • What does Willy Wonka want to do now?
  • Make a lot of product
  • Have a pure form of chocolate

13
II. Amplify
  • Amplify the bacteria this is making clones.
  • Bacteria is producing Choco-M protein (and other
    bacterial proteins, too)

Clones
14
III. Isolate and Purify
  • Break open bacterial cells with lysozyme.
  • We only want Choco-M protein.
  • Right now its mixed with other bacterial
    proteins.

15
Imagination
  • How could we quickly and efficiently separate the
    2 kinds of proteins?
  • Keep in mindthousands of proteins will need to
    be separated every hour!
  • Use tools from the big toolboxor your
    imagination!

16
  • How did you separate the two proteins?
  • What property of the protein did you use?

17
Real-life Example Insulin
  • Diabetics need insulin to help regulate blood
    sugar.
  • Can you design a protocol for making HUMAN
    INSULIN in bacteria cells?
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