![](https://www.ingenza.com/wp-content/themes/ingenza2022/images/hosts/e.coli.jpg)
Host
- Customer-specific E. coli host
- Customer-specific growth protocol
![](https://www.ingenza.com/wp-content/themes/ingenza2022/images_2022/case-studies/case-study-10/diagram1.png)
Build/Test
- Specific host auxotrophy introduced
- Plasmid-based rescue of auxotrophy
- No cross-feeding of plasmid free cells
![](https://www.ingenza.com/wp-content/themes/ingenza2022/images_2022/case-studies/case-study-10/diagram2.jpg)
Performance
- Productivity meets customer benchmark
- Antibiotic-free stability meets benchmark