CGSC Strain#: 7139
Strain Designation: DC2     
Source of Strain: D.P. Clark
Sex: F-
Chromosomal Markers: λ-,
gyrA37(NalR)
,
relA1,
spoT1,
metB1,
abs-2,
λR,
mdoR101Strain Comments: - spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
- λR-- Lambda resistant, locus unknown.
- mdoR101-- mutation results in antibiotic sensitive membrane.
- NalR = Nalidix.acidResist.
References: - Clark, D.P. 1984. Novel antibiotic hypersensitive mutants of Escherichia coli. Genetic mapping and chemical characterization. FEMS Microbiol. Lett. 21(2):189-195.
- Clark, DP 1985. Mutant of Escherichia coli deficient in osmoregulation of periplasmic oligosaccharide synthesis. J. Bacteriol. 161(3):1049-53.