BZB2106      Source of Strain:
pColE3-CA38 Plasmid Markers/Mutations: Chromosomal Markers: λ-
, rph-1Strain 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)
- NalR = Nalidix.acidResist.
- Pugsley, A.P. 1985. Escherichia coli K12 strains for use in identification and characterization of colicins. J.Gen.Microbiol. 131:369-376