CGSC Strain#: 8086
Strain Designation: CSH22      Source of Strain: J.H. Miller
Sex: F' Episome/Plasmid: F128-(CSH22)
   Plasmid Markers/Mutations: ΔlacZ58(M15)
   Plasmid Comment: That this is an F128 derivative is only an assumption.
Chromosomal Markers: Δ(pro-lac), thi-, trpR-
Strain Comments:

• We do not know the derivation of the F-prime, and citing it as an F128 derivative is only a guess.
• M15 = alpha-complemented allele

References:

• Miller, J.H. 1972. Expts.in Molec.Genetics, CSH 0:14-0