CGSC Strain#: 5709
Strain Designation: MA197     
Source of Strain: W.K. Maas
Sex: F-
Chromosomal Markers: thr-1,
leuB6(Am)
,
fhuA2::IS2,
lacY1,
glnX44(AS)
,
gal-6,
λ-,
serA25,
CanR?-1,
speB2,
rpsL133(strR)
,
malT1(λ
R)
,
xyl-7,
mtlA2,
thiE1Strain Comments: - leuB6(Am)-- Suppressed by serU suppressor (supH)
- glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
- 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
- fhuA2::IS2 was formerly called fhuA2
- glnX44(AS) was formerly called su+II
- glnX44(AS) was formerly called supE44
- glnX44(AS) was formerly called glnV44
- thiE1 was formerly called thi-1
- xyl-7 was formerly called xylA7
- ::IS2 = Insertion of IS2
- Am = amber(UAG) mutation
- AS = amber(UAG) suppressor
- LamR = Lambda-resistant
- strR = streptomycin resist.
References: - Maas, W.K. 1972. Mapping of genes involved in the synthesis of spermidine in Escherichia coli. Mol.Gen.Genet. 119:1-9