CGSC Strain#: 6986
Strain Designation: NFB201      Source of Strain: J.P. Bohin
Sex: Hfr    Point of Origin#: 1   Map Position: 96.80   Direction of Marker Transfer: Clockwise
Chromosomal Markers: lacZ43(Fs), λ^-, zcd-2202::Tn10, pyrC46, relA1, spoT1, thiE1
Strain Comments:

• zcd-2202::Tn10-- cotransduces 25% with putA and at high frequency with pyrC. This is the strain alluded to in the 2nd sentence on p.957 of the paper referenced below.
• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
• thiE1 was formerly called thi-1
• = tetracycline resistant
• Fs = Frameshift mutation

References:

• Bohin, J.P., E.P. Kennedy 1984. Mapping of a locus (mdoA) that affects the biosynthesis of membrance-derived oligosaccharides in Escherichia coli. J.Bacteriol. 157:956-957