CGSC Strain#: 5353
Strain Designation: MA135      Source of Strain: W.K. Maas
Sex: F- Chromosomal Markers: Δ(gpt-proA)62, lac-, trp-, his-, CanR?-1, speB2, xyl-0, argE3(Oc), thiE1, str-, mtl-0
Strain Comments:

• The pedigree of this strain is not completely understood yet. There may be sugar markers. We will send a complete description as soon as it is available.
• CanR?-1-- This is a mutation that results in canavanine resistance and maps near argP, but does not affect arginine transport.
• CanR?-1 was formerly called can-1
• Δ(gpt-proA)62 was formerly called proA2
• thiE1 was formerly called thi-1
• Oc = ochre(UAA) mutation

References:

• Hirshfield, IN, HJ Rosenfeld, Z Leifer, WK Maas 1970. Isolation and characterization of a mutant of Escherichia coli blocked in the synthesis of putrescine. J. Bacteriol. 101(3):725-30.
• Maas, W.K. 1972. Mapping of genes involved in the synthesis of spermidine in Escherichia coli. Mol.Gen.Genet. 119:1-9