CGSC Strain#: 7984
Strain Designation: JLD17204      Source of Strain: T.J. Larson
Sex: F- Chromosomal Markers: Δ(argF-lac)169, λ^-, glpE223::FRT, rph-1
Strain Comments:

• Δ(argF-lac)169-- extends from mmuP through orfs preceding argF, through lac to mhpD, literally Δ(mmuP-mhpD)169. (Peters et al. 2003 JB 185:2017)
• Δ(argF-lac)169-- from strain Hfr3000 U169 was initially called ΔlacU169 and described as a lacZY mutation until found to include argF and lacI.
• rph-1-- is a 1 bp deletion that results in frameshift over last 15 codons and has polar effect on pyrE leading to suboptimal pyrimidine levels on minimal medium.(Jensen 1993 JBact.175:3401)

References:

• Donahue, J.L. . Pers.Commun. 8:2004