CGSC Strain#: 5701
Strain Designation: D7000 strA124,rif79      Source of Strain: L. Gorini
Sex: Hfr    Point of Origin#: 2B   Map Position: 12.20   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: leu-80, trp-86, relA1, rpsL212(strR), spoT1, metB1, rpoB79
Strain Comments:

• rpsL212(strR)-- was called strA11 in the papers cited.
• spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
• rpoB79-- was called rif79 in the papers cited.
• strR = streptomycin resist.

References:

• Chakrabarti, S, L Gorini 1975. Growth of bacteriophages MS2 and T7 on streptomycin-resistant mutants of Escherichia coli. J. Bacteriol. 121(2):670-4.
• Chakrabarti, SL, L Gorini 1975. A link between streptomycin and rifampicin mutation. Proc. Natl. Acad. Sci. U.S.A. 72(6):2084-7.