Hemanshu Mundhada, Konstantin Schneider, Hanne Bjerre Christensen & Alex Toftgaard Nielsen (2015). Engineering of high yield production of L‐serine in Escherichia coli. Biotechnology & Bioengineering.
Strains
- Escherichia coli T1
- Escherichia coli Q1 ΔrhtA
- Escherichia coli Q1 ΔompX
- Escherichia coli Q1 ΔsstT
- Escherichia coli Q1 ΔrybA
- Escherichia coli Q1
- Escherichia coli Q3
- Escherichia coli S1
- Escherichia coli S1 (DE3)
- Escherichia coli T1 (DE3)
- Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACYCDuet-1-serB-eamA-c-His)
- Escherichia coli Q3 (DE3)
- Escherichia coli Q3 (DE3) (pCDF-Duet-serAmut-serC, pACYCDuet-1-serB-eamA-c-His)
- Escherichia coli Q3 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB)
- Escherichia coli Q1 (DE3)
- Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB)
- Escherichia coli S1 (DE3) (pCDF-Duet-serAmut-serC pACTCDuet-1-serB)
- Escherichia coli T1 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB)
Plasmids
- pCDF-Duet-serAmut-serC
- pACTCDuet-1-serB
- pCDF-1b
- pACYCDuet-1-serB-eamA-c-His
- pCDF-1b-eamA-c-His
- pCDFDuet-1
- pACYCDuet-1
Metabolite production
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L-serine
-
Titer
- 11.73 g/L (Escherichia coli Q3 (DE3) (pCDF-Duet-serAmut-serC, pACYCDuet-1-serB-eamA-c-His) in Fed-Batch)
- 9.08 g/L (Escherichia coli Q3 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB) in Fed-Batch)
- 0.89 g/L (Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB) in Flask)
- 8.3 g/L (Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB) in Fed-Batch)
- 6.69 g/L (Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACYCDuet-1-serB-eamA-c-His) in Fed-Batch)
- 0.53 g/L (Escherichia coli T1 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB) in Flask)
- 0.49 g/L (Escherichia coli S1 (DE3) (pCDF-Duet-serAmut-serC pACTCDuet-1-serB) in Flask) Volumetric productivity
- 0.24 g/L/h (Escherichia coli Q3 (DE3) (pCDF-Duet-serAmut-serC, pACYCDuet-1-serB-eamA-c-His) in Fed-Batch)
- 0.18 g/L/h (Escherichia coli Q3 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB) in Fed-Batch)
- 2.73 g/L/h (Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB) in Flask)
- 0.18 g/L/h (Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB) in Fed-Batch)
- 0.13 g/L/h (Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACYCDuet-1-serB-eamA-c-His) in Fed-Batch) Substrate yield
- 0.15 g/g of sustrate (Escherichia coli Q3 (DE3) (pCDF-Duet-serAmut-serC, pACYCDuet-1-serB-eamA-c-His) in Fed-Batch)
- 0.18 g/g of sustrate (Escherichia coli Q3 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB) in Fed-Batch)
- 0.12 g/g of sustrate (Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB) in Fed-Batch)
- 0.1 g/g of sustrate (Escherichia coli Q1 (DE3) (pCDF-Duet-serAmut-serC, pACYCDuet-1-serB-eamA-c-His) in Fed-Batch)
- 0.245 g/g of sustrate (Escherichia coli S1 (DE3) (pCDF-Duet-serAmut-serC pACTCDuet-1-serB) in Flask) Biomass-specific productivity
- 0.73 g/L/g CDW (Escherichia coli S1 (DE3) (pCDF-Duet-serAmut-serC pACTCDuet-1-serB) in Flask)
- 1.94 g/L/g CDW (Escherichia coli T1 (DE3) (pCDF-Duet-serAmut-serC, pACTCDuet-1-serB) in Flask)