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Strain W1957
- CGSC#: 4476
- Strain Designation
Designation Source Preference W1957 Lederberg J. 1 - Sex(Hfr,F+,F-,or F'): Hfr
- Hfr Point of Origin#: 2A
- PO Map Position: 12.20
- Direction of Marker Transfer: Counterclockwise
- 4 Mutations:
Mutation Location Certainty Display fhuA66 3.61 1 fhuA66 relA1 62.71 1 relA1 spoT1 82.34 1 spoT1 metB1 88.94 1 metB1 - Comments:
- This is a T1R of the Cavalli Hfr.
- References:
- Campbell, A. 1965. The steric effect in lysogenization by bacteriophage lambda. I. Lysogenization of a partially diploid strain of Escherichia coli K12. Virology 27:329-339
- Del Campillo-Campbell, A, G Kayajanian, A Campbell, S Adhya 1967. Biotin-requiring mutants of Escherichia coli K-12. J. Bacteriol. 94(6):2065-6.
- Adhya, S., P.P. Cleary, A. Campbell 1968. A deletion analysis of prophage lambda and adjacent genetic regions. Proc.Natl.Acad.Sci.USA 61:956-962
- Cleary, P.P., A. Campbell 1972. Deletion and complementation analysis of the biotin gene cluster of Escherichia coli. J.Bacteriol. 112:830-839
Printable Strain Report