CGSC Strain#: 5133
Strain Designation: CY55      Source of Strain: J.E. Cronan
Sex: Hfr    Point of Origin#: 42   Map Position: 23.58   Direction of Marker Transfer: Clockwise
Chromosomal Markers: λ^-, fabA2(ts), relA1, rpsL118(strR), malT1(λ^R), xyl-7, mtlA2, thiE1
Strain Comments:

• Transfers fabA as last marker.
• fabA2(ts)-- is a temperature-sensitive mutation.
• thiE1 was formerly called thi-1
• xyl-7 was formerly called xylA7
• LamR = Lambda-resistant
• strR = streptomycin resist.
• ts = Temperature Sensitive

References:

• Cronan, J.E., D.F. Silbert, D.L. Wulff 1972. Mapping of the fabA locus for unsaturated fatty acid biosynthesis in Escherichia coli. J.Bacteriol. 112:206-211