CGSC Strain#: 6626
Strain Designation: AS11     
Source of Strain: R. Cooper
Sex: Hfr
Point of Origin#: 2A
Map Position: 12.20
Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: fhuA22,
ompF627(T2R)
,
zwf-2,
relA1,
rpiA1,
pitA10,
spoT1Strain Comments: - Watch out for the occurrence of rpiR mutations and the consequent loss of the ribose requirement.
- spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
- T2R = T2 Resistant
References: - Skinner, AJ, RA Cooper 1971. The regulation of ribose-5-phosphate isomerisation in Escherichia coli K12. FEBS Lett. 12(5):293-296.
- Skinner, AJ, RA Cooper 1974. Genetic studies on ribose 5-phosphate isomerase mutants of Escherichia coli K-12. J. Bacteriol. 118(3):1183-5.