CGSC Strain#: 7967
Strain Designation: AW3110      Source of Strain: B.P. Rosen
Sex: F- Chromosomal Markers: λ^-, IN(rrnD-rrnE)1, Δars-1::Cm, rph-1
Strain Comments:

• IN(rrnD-rrnE)1-- Inverts the region between rrnD (73.74 min) and rrnE (90.66 min)
• 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:

• Carlin, A., W. Shi, S. Dey, B.P. Rosen 1995. The ars operon of Escherichia coli confers arsenical and antimonial resistance. J.Bacteriol. 177:981-986