CGSC Strain#: 3445
Strain Designation: AB3445      Source of Strain: R.C. Essenberg
Sex: F' Chromosomal Markers: galT12, λ^-, (ts)
Strain Comments:

• seg-1 is a temperature-sensitive mutation that leads to the loss of the episome at 42 degrees C.
• galT12-- was called gal₄ in the Lederberg laboratory. It is the standard gal₄ ( galT12) HFT source.
• ts = Temperature Sensitive

References:

• Stadler, J, EA Adelberg 1972. Temperature dependence of sex-factor maintenance in Escherichia coli K-12. J. Bacteriol. 109(1):447-9.