CGSC Strain#: 7899
Strain Designation: XA103      Source of Strain: J.H. Miller
Sex: F- Chromosomal Markers: Δ(gpt-lac)5, λ^-, ara(FG), gyrA-0(NalR), metB-, argE-(Am), rpoB0(rifR), thiE1, tyrT(AS)
Strain Comments:

• Δ(gpt-lac)5-- is the deletion Δ( pro-lac)_X111 of Jacob and originated in the strain Hfr 3000 X111.
• argE-(Am)-- is suppressible by all of the characterized amber and ochre suppressors in Miller et a. 1977
• tyrT(AS)-- We have not determined which tyrT allele is present in this strain.
• thiE1 was formerly called thi-1
• Am = amber(UAG) mutation
• NalR = Nalidix.acidResist.
• rifR = rifamycin resistance

References: