Strain - E. coli B/r

Strain - E. coli B/rStrain E. coli B/r

Strain E. coli B/r

CGSC#: 6573
Strain Designation
Designation Source Preference
E. coli B/r Witkin E.M. 1
AC6573 3
Sex(Hfr,F+,F-,or F'): F-
4 Mutations:
Mutation Location Certainty Display
lon-11 9.88 1 lon-11
sulA1 21.98 1 sulA1
Mal(ts) 1000.00 1 Mal(ts)
LAMR 1000.00 1 λ^R
Comments:
- E. coliB derivative. Not a K-12 strain
- Several persons may have isolated radiation-resistant derivatives of E. coli B and called them simply `` E.coli B/r". This designation should be reserved for the original isolate of Witkin.
References:
- Witkin, EM 1946. Inherited Differences in Sensitivity to Radiation in Escherichia Coli. Proc. Natl. Acad. Sci. U.S.A. 32(3):59-68.
Printable Strain Report

Mutation	Location	Certainty	Display
lon-11	9.88	1	lon-11
sulA1	21.98	1	sulA1
Mal(ts)	1000.00	1	Mal(ts)
LAMR	1000.00	1	λ^R

Designation	Source	Preference
E. coli B/r	Witkin E.M.	1
AC6573		3