CGSC Strain#: 6686
Strain Designation: 207      Source of Strain: J.C. Lazzaroni
Sex: Hfr    Point of Origin#: 3   Map Position: 6.80   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: lacI100, lky-207, relA1, spoT1, metB1
Strain Comments:

• This strain has been patented (now expired).
• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.

References:

• Lazzaroni, J.C., R. Portalier 1979. FEMS Microbiol.Lett. 5:411-0
• Lazzaroni, J.C. 1980. Compt.Rend.Acad.Sci.Paris 291:677-0
• Lazzaroni, J.C., R. Portalier 1981. Genetic and biochemical characterization of periplasmic-leaky mutants of Escherichia coli K-12. J.Bacteriol. 145:1351-1358