2
DNA modified
The bacterium is genetically modified with new synthetic DNA bases X
and Y
A
T
X
Y
G
C
C
Y
T
G
A
A
G
C
T
T
C
G
A
Newly created
proteins
DNA
pairs
E. coli
bug
3
Synthetic DNA base creates brand new proteins
The modified bacterium has an expanded genetic code which could be used to make proteins for medicines
Bacteria’s DNA selected
An E. coli bacterium has four natural DNA bases; A, G, C and T
2
DNA modified
The bacterium is genetically modified with new synthetic DNA bases X and Y
A
T
X
Y
G
C
C
Y
T
G
A
A
G
C
T
T
C
G
A
Newly created
proteins
DNA
pairs
E. coli
bug
3
Synthetic DNA base creates brand new proteins
The modified bacterium has an expanded genetic code which could be used to make proteins for medicines
1
Bacteria’s DNA selected
An E. coli bacterium has four natural DNA bases; A, G, C and T