W2637      Source of Strain:
F- Chromosomal Markers: λ-
, rph-1Strain Comments:
- This strain is described as being Gal weak on EMB-Gal by Lederberg. The basis for this property is not known.
- 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)