CGSC Strain#: 4505
Strain Designation: AT2453      Source of Strain: A.L. Taylor
Sex: Hfr    Point of Origin#: 1   Map Position: 96.80   Direction of Marker Transfer: Clockwise
Chromosomal Markers: λ^-, e14-, relA1, lysA22, spoT1, thiE1
Strain Comments:

• e14--- : Loss of the e14 element makes the strain McrA^-.
• lysA22-- is Taylor's lysA10 which he briefly called lysB10 in 1971.
• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
• thiE1 was formerly called thi-1

References:

• Taylor, A.L., C.D. Trotter 1967. Revised linkage map of Escherichia coli. Bacteriol.Rev. 31:332-353
• Bukhari, A.I., A.L. Taylor 1971. Mutants of Escherichia coli with a growth requirement for either lysine or pyridoxine. J.Bacteriol. 105:988-998