CGSC Strain#: 1862
Strain Designation: W4520      Source of Strain: Hirota & Sneath
Sex: F' Episome/Plasmid: F8
   Plasmid Markers/Mutations:
Chromosomal Markers: relA1, metB1, λ^R
Strain Comments:

• λ^R-- Lambda resistant, locus unknown.

References:

• Hirota, Y., P.H.A. Sneath 1961. F' and F mediated transduction in Escherichia coli K12. Jpn.J.Genet. 36:307-318
• Sneath, P.H.A. 1962. Sex factors as episomes. British Med.Bull. 18:41-45