Strain - WM437

Strain - WM437Strain WM437

Strain WM437

CGSC#: 6487
Strain Designation
Designation Source Preference
WM437 Messer W. 1
Sex(Hfr,F+,F-,or F'): F-

14 Mutations:

Mutation	Location	Certainty	Display
leuB19	1.74	1	leuB19
lac-11	7.80	1	lac-11
lon-11	9.88	1	lon-11
sulA1	21.98	1	sulA1
trp-25	28.00	1	trp-25
dnaI208(ts)	40.30	1	dnaI208(ts)
thyA59	63.86	1	thyA59
rpsL56(strR)	74.84	1	rpsL56(strR)
deoB23	99.53	1	deoB23
arg-28	1000.00	1	arg-28
pro-19	1000.00	1	pro-19
his-47	1000.00	1	his-47
met-55	1000.00	1	met-55
gal-11	1000.00	1	gal-11

Comments:
- Not a K-12 strain, mostly E.coli B
- This is an E. coli B derivative with K-12 restriction and modification. The hsdR-thr region, at least, was crossed in from K-12.
References:
- Beyersmann, D., W. Messer, M. Schlicht 1974. Mutants of Escherichia coli B/r defective in deoxyribonucleic acid initiation: dnaI, a new gene for replication. J.Bacteriol. 118:783-789
Printable Strain Report