Ancestors

Genotype with respect to parental

ΔtnaA

Genotype with respect to wild type

F⁺ (λ) | λ- | inv(rrnD-rrnE) | F-, λ-, rph-1, IN (rrnD, rrnE) | ΔtrpEDCBA | ΔtrpR | ΔtnaA

Bars (|) indicate differences between strains.

References

• S Aiba, H Tsunekawa & T Imanaka (1982). New approach to tryptophan production by Escherichia coli: genetic manipulation of composite plasmids in vitro.. Applied and Environmental Microbiology.

• C. P. Dwivedi, T. Imanaka & S. Aiba (2004). Instability of plasmid‐harboring strain of E. coli in continuous culture. Biotechnology & Bioengineering.