CGSC Strain#: 2151
Strain Designation: AB2151     
Source of Strain: A.J. Pittard
Sex: Hfr
Point of Origin#: 13
Map Position: 84.98
Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: leuB6(Am)
,
lacZ4,
glnX44(AS)
,
tna-2,
ilvD132,
thiE1,
str-8Strain Comments: - This strain grows slowly on minimal + thi +ile + leu + val. We have reports that the tna allele is leaky.
- leuB6(Am)-- Suppressed by serU suppressor (supH)
- glnX44(AS)-- Mutation is a C to T transition at nucleotide 34 (3rd position of the anticodon)
- 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
- Am = amber(UAG) mutation
- AS = amber(UAG) suppressor
References: - PITTARD, J, EA ADELBERG 1964. GENE TRANSFER BY F' STRAINS OF ESCHERICHIA COLI K-12. III. AN ANALYSIS OF THE RECOMBINATION EVENTS OCCURRING IN THE F' MALE AND IN THE ZYGOTES. Genetics 49:995-1007.
- PITTARD, J 1965. EFFECT OF INTEGRATED SEX FACTOR ON TRANSDUCTION OF CHROMOSOMAL GENES IN ESCHERICHIA COLI. J. Bacteriol. 89:680-6.