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Transcript
Transformations in Synthetic
Biology
Brought to you by the
UCSF iGEM Team
What is DNA?
DNA stands for Deoxyribonucleic Acid
It’s what makes you… you!
DNA is housed in the nucleus (“brain”) of the cell. It
contains all of the information the cell needs.
How does the DNA tell the cell what to do?
It does this through the Central Dogma!
What is the Central Dogma?
It is an explanation of the flow of genetic information
in an organism.
DNA from the nucleus is made into information,
or proteins, that can be used in the organism.
There are two processes that make up the Central Dogma:
Transcription and Translation
DNARNA
RNAProtein
is a process in the nucleus in which the DNA is
coded into RNA (ribonucleic acid), that can tell
the protein makers (ribosomes) what to make.
Transcription
DNARNA
Protein Factory
(ribosome)
There are two processes that make up the Central Dogma:
Transcription and Translation
DNARNA
RNAProtein
is a process in which the ribosome (protein
factory) turns the RNA into proteins for the cells
to use.
Translation
RNAProtein
Protein
RNA
Translation
Scientists use the Central Dogma to study
and change organisms through
transformation.
What is transformation?
Did you think of…
Optimus Prime?
Or….
A caterpillar turning into a butterfly?
It’s neither!
We’re thinking of
bacterial
transformation!
What is bacterial transformation?
Transformation is the alteration of cells by the
incorporation of foreign DNA into the cell
Recipient bacterial cell
Transformed cell
How do you transform cells to glow
green?
Not transformed bacteria
We know that some jellyfish naturally
glow green…
…And we also know that we can take DNA
from other organisms to put into bacteria!
So… We can use a jellyfish gene to
make bacteria glow!
GFP
Jellyfish have something called “GFP”, or green
fluorescent protein, that makes them glow green
Jellyfish DNA
The Steps of Bacterial Transformation
SUCCESS!
The bacteria will
take in the DNA
and then…
Then we mix the DNA
with bacteria.
First, we isolate the DNA.
GFP
Transformed bacteria!
Ask us to see bacteria with GFP
(green) or RFP (red)!
But, we aren’t just limited to making bacteria
We can also glow
makedifferent
bacteria…
colors.
•Create drugs such as insulin
•Break down plastics or oils
•And more!
The possibilities are endless!
Thanks for watching!