Strain Ra-1
- CGSC#: 4232
- Strain Designation
Designation Source Preference Ra-1 Cappello M.C. 1 - Sex(Hfr,F+,F-,or F'): Hfr
- Hfr Point of Origin#: 52
- PO Map Position: 65.00
- Direction of Marker Transfer: Clockwise
- 4 Mutations:
Mutation Location Certainty Display glnV42(AS) 14.99 1 glnV42(AS) LAM- 17.40 1 λ- malB28(LamR) 92.00 1 malB28(λR) LAMR 1000.00 1 λR - Comments:
- In Lyophil Only
- This strain also carries the sex factor attachment site at the point of origin of strain Ra-2. This property is designated sfa-5.
- References:
- Joset, F., B. Low, R. Krisch 1964. Induction by radiation of a new direction of chromosome transfer during conjugation in an Hfr strain of Escherichia coli. Biochem.Biophys.Res.Commun. 17:742-747
- Low, K.B. 1967. Inversion of transfer modes and sex factor-chromosome interactions in conjugation in Escherichia coli. J.Bacteriol. 93:98-106
Printable Strain Report