Escherichia coli Arg6

Ancestors

Derived strains

Genotype with respect to parental

P_icd:P_BJ23100-B0034

Genotype with respect to wild type

F⁺ (λ) | λ- | F- λ- ilvG- rfb-50 rph-1 | argA^K204T, argR^Y33X, pyrG^D450H, and speB^E189A | △speC △speF | argE^Ec::P_BJ23119-B0034-argJ^Tn | yghX::P_BJ23119-B0034-argCBH^Ec, yncI::P_BJ23119-B0034-argA*, rpnD::P_BJ23119-B0034-argD, ycjV::P_BJ23119-B0034-argI and yrfG::P_BJ23119-B0034-argG | artJ::P_BJ23119-B0034-lysE^Cg and argT::P_BJ23119-B0034-cgmA^Cg | yacC::P_BJ23119-B0034-gdhA^St and ydjK::P_BJ23119-B0034-gdhA^St | P_icd:P_BJ23100-B0034

Bars (|) indicate differences between strains.

Strain derived from a randomly mutated strain.

Modifications

Gene	Organism	Modification
icd	Escherichia coli	Overexpression

Production

Metabolites	Production type	Production	Carbon source	Scale	Ref.
L-arginine	Titer	23.08 g/L	Glucose	Flask	[301]
L-arginine	Titer	71.27 g/L	Glucose	Fed-Batch	[301]
L-arginine	Substrate yield	0.38 g/g of sustrate	Glucose	Fed-Batch	[301]
L-arginine	Volumetric productivity	1.48 g/L/h	Glucose	Fed-Batch	[301]
L-arginine	Titer	4.75 g/L	Glucose	Fed-Batch	[301]

* Inferred from plots using RetroPlot.

Heterologous.

Target metabolites are shown in bold, while non-bold metabolites represent intermediates or potential byproducts.

References

Sheng, Qi; He, Shengyang; Liang, Guangjie; Meng, Gang; Zhao, Chunguang; Wei, Aiying; Gou, Lining; Liu, Jia; Li, Xiaomin; Wu, Jing & Liu, Liming. Improved arginine production in Escherichia coli by harnessing the intracellular citrulline. Metabolic Engineering. 2025.