Escherichia coli dVio19

Ancestors

Derived strains

Escherichia coli dVio20

Genotype with respect to parental

yjiT::P_trc-aroCBD

Genotype with respect to wild type

F⁺ (λ) | λ- | inv(rrnD-rrnE) | F-, λ-, rph-1, IN (rrnD, rrnE) | Plasmid pDVIO-9 added | ptsHIcrr::P_{BBa_J23118}-glf | ycdN::P_{BBa_J23105}-glk | ΔpykA | yjiP::P_trc-aroG^Q151F | yjiT::P_trc-aroCBD

Bars (|) indicate differences between strains.

Plasmids

pDVIO-9 (P_trc-Optimized RBS 2-vioABCE^opt)

Strain derived from a randomly mutated strain.

Modifications

Gene	Organism	Modification
yjiT	Escherichia coli	Silencing
aroC	Escherichia coli	Overexpression
aroB	Escherichia coli	Overexpression
aroD	Escherichia coli	Overexpression

Production

Metabolites	Production type	Production	Biomass	Carbon source	Time	Scale	Ref.
deoxyviolacein	Titer	2.36 g/L		Glucose		Flask	[325]

* Inferred from plots using RetroPlot.

Heterologous.

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

References

Tang, Mi; Pan, Zhenhui; Jin, Minghui; Zhang, Hengwei; Pan, Xuewei & Rao, Zhiming. Systems metabolic engineering of Escherichia coli for the high-level production of deoxyviolacein, a natural colorant. Bioresource Technology. 2025, 431, 132584.