CGSC Strain#: 4404
Strain Designation: W1655F     
Source of Strain: J. Lederberg
Other Designations: EMG14
Sex: F-
Chromosomal Markers: λ-,
relA1,
spoT1,
metB1,
λRStrain 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.
References: - Scaife, J. G., A.P. Pekhov 1964. Deletion of chromosomal markers in association with F-prime factor formation in Escherichia coli K12. Genet.Res. 5:495-498
- Clowes, R., W. Hayes 1968. Experiments in microbial genetics