CGSC Strain#: 5347
Strain Designation: BB13      
Source of Strain: R.M. Bell
Sex: Hfr 
   Point of Origin#: 2A
   Map Position:  12.20
   Direction of Marker Transfer:  Counterclockwise 
 Chromosomal Markers: fhuA22, 
ΔphoA8, 
ompF627(T2R)
, 
fadL701(T2R)
, 
relA1, 
glpR2(glpc), 
glpD3, 
pitA10, 
spoT1, 
rrnB-2, 
plsB13, 
mcrB1, 
creC510Strain Comments: - glpD3-- GlpD loss also results in stasis with gluconeogenic C sources, e.g.,succinate.  glpA or  glpD mutants should be grown on min.salts+1% glycerol-free casein hydrolysate+1% glucose.                                                             
- glpD3-- Loss of G-3-P dehydrogenase (aerobic) results in inability of strains to grow on glycerol or glycerol-3-P as sole carbon source.                                                                                                                              
- spoT1-- In addition to the 6bp insertion, there is a C to T transition resulting in an H257Y substitution.
- rrnB-2-- : loss of spacer loop sequence                                                                                                                                                                                                                                
- creC510-- The constitutive phenotype is due to an R77P amino acid substitution
- creC510 was formerly called phoM510
- Const = constitutive
- glpc = constitutive expr.glp regulon
- T2R = T2 Resistant
References:- Bell, RM 1974. Mutants of Escherichia coli defective in membrane phospholipid synthesis: macromolecular synthesis in an sn-glycerol 3-phosphate acyltransferase Km mutant. J. Bacteriol. 117(3):1065-76.