CGSC Strain#: 6087
Strain Designation: GR501      Source of Strain: R. Sternglanz
Sex: Hfr    Point of Origin#: 45   Map Position: 65.00   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: λ^-, ligA251(ts), relA1, spoT1, thiE1
Strain Comments:

• ligA251(ts)-- is a temperature-senstive mutation.
• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
• ligA251(ts) was formerly called dna-684
• thiE1 was formerly called thi-1
• ts = Temperature Sensitive

References:

• Dermody, JJ, GT Robinson, R Sternglanz 1979. Conditional-lethal deoxyribonucleic acid ligase mutant of Escherichia coli. J. Bacteriol. 139(2):701-4.