CGSC Strain#: 4801
Strain Designation: strain ctr-7      Source of Strain: M.L. Morse
Sex: Hfr    Point of Origin#: 45   Map Position: 65.00   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: ptsI7, relA1, bglR-10, thiE1
Strain Comments:

• This strain tends to revert and should be cloned and checked on mannitol (or some other sugar) indicator agar before use. ptsI7 was formerly called ctr-7.
• thiE1 was formerly called thi-1

References:

• Morse, HG, WK Penberthy, ML Morse 1971. Biochemical characterization of the ctr mutants of Escherichia coli. J. Bacteriol. 108(2):690-4.