CGSC Strain#: 12341
Strain Designation: SQ49
Source of Strain: Quan
Sex: F-
Chromosomal Markers: λ-,
Δ(rrfG-rrsG)791(::FRT),
rph-1,
Δ(rrsA-rrfA)792(::FRT),
Δ(rrsB-rrfB)790(::FRT)Strain Comments: - 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: - Quan, S, O Skovgaard, CL Squires 2010. Escherichia coli Ribosomal RNA deletion strain. unpublished results :0-0.