Download 30. Insulin Prodution

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How did they make insulin from recombinant DNA?
National Institutes of Health
Recombinant DNA is a technology scientists developed that made it possible to
insert a human gene into the genetic material of a common
bacterium. This “recombinant” micro-organism could now produce the protein
encoded by the human gene.
1.
Scientists build the human insulin gene in the laboratory. Then they
remove a loop of bacterial DNA known as a plasmid and…
3.
2.
insert the human insulin gene into the plasmid.
4.
Researchers return the plasmid to the bacteria and…
5.
6.
put the “recombinant” bacteria in large fermentation tanks.
There, the recombinant bacteria use the gene to begin producing human
insulin.
Scientists harvest the insulin from the bacteria and…
purify the substance for use as a medicine for people.
http://www.nlm.nih.gov/exhibition/fromdnatobeer/exhibitioninteractive/recombinant-DNA/recombinant-dna-technologyalternative.html
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30. Insulin Prodution.doc
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