S\O103      Source of Strain:
F- Chromosomal Markers: relA1
, deoC4Strain Comments:
- thyA144-- Strains with this marker must have their medium supplemented with thymine (25ug/ml). This is true even for rich medium such as LB. Otherwise thymine starvation can lead to thymineless death.
- strR = streptomycin resist.
- Munch-Petersen, A., P. Nygaard, K. Hammer-Jespersen, N. Fiil 1972. Mutants constitutive for nucleoside-catabolizing enzymes in Escherichia coli K12. Eur.J.Biochem. 27:208-215