Escherichia coli BL21ΔtnaAΔaroH(aroH^fbr, ΔtrpE)

Ancestors

All strains

Escherichia coli B

Escherichia coli BL21

Escherichia coli BL21(DE3)

Escherichia coli BL21ΔtnaA

Escherichia coli BL21ΔtnaAΔaroH

Escherichia coli BL21ΔtnaAΔaroH(aroH^fbr)

Escherichia coli BL21ΔtnaAΔaroH(aroH^fbr, ΔtrpE)

Derived strains

Escherichia coli TRP0

Genotype with respect to parental

ΔtrpE

Genotype with respect to wild type

F⁻ dcm gal ompT hsdS(r_B^- m_B^-) | F⁻ ompT hsdS_B (r_B⁻m_B⁻) gal dcm λ(DE3) | ΔtnaA | ΔaroH | ΔaroH:tac_pro-aroH^fbr | ΔtrpE

Bars (|) indicate differences between strains.

Modifications

Origin	Gene	Organism	Modification
Escherichia coli BL21ΔtnaA	tnaA	Escherichia coli	Silencing
Escherichia coli BL21ΔtnaAΔaroH	aroH	Escherichia coli	Silencing
Escherichia coli BL21ΔtnaAΔaroH(aroH^fbr)	aroH	Escherichia coli	Feedback insensitive
Escherichia coli BL21ΔtnaAΔaroH(aroH^fbr, ΔtrpE)	trpE	Escherichia coli	Silencing

References

Xu, Da; Fang, Mengjun; Wang, Haijiao; Huang, Lei; Xu, Qinyang & Xu, Zhinan. Enhanced production of 5-hydroxytryptophan through the regulation of L-tryptophan biosynthetic pathway. Applied Microbiology and Biotechnology. 2020, 104(6), 2481-2488.