CGSC Strain#: 2523
Strain Designation: AC2523      Source of Strain: H. Boyer
Other Designations: HB41, Hfr B-2.
Sex: Hfr    Point of Origin#: 29   Map Position: 96.77   Direction of Marker Transfer: Counterclockwise
Chromosomal Markers: thr-12, sulA1, met-58
Strain Comments:

• This is a derivative of E. coli B/r. This Hfr is unstable.
• met-58-- (See reference below.)

References:

• Boyer, H 1966. Conjugation in Escherichia coli. J. Bacteriol. 91(5):1767-72.