![](https://coimages.sciencemuseumgroup.org.uk/846/large_thumbnail_1999_0097__0003_.jpg)
Slide containing genetically engineered E coli.
- Made:
- California
![Slide containing E coli](https://coimages.sciencemuseumgroup.org.uk/509/84/medium_smg00285915.jpg)
Slide containing E coli. Genetically engineered to express Napthalene Oxygenase and thus produce indigo in the presence of air
Slide containing E coli. Genetically engineered to express Napthalene Oxygenase and thus produce indigo in the presence of air