Strain A19
- CGSC#: 5997
- Strain Designation
Designation Source Preference A19 Gesteland R.F. 1 - Sex(Hfr,F+,F-,or F'): Hfr
- Hfr Point of Origin#: 21
- PO Map Position: 97.00
- Direction of Marker Transfer: Clockwise
- 6 Mutations:
Mutation Location Certainty Display rna-19 13.87 1 rna-19 gdhA2 39.67 1 gdhA2 his-95 45.01 0 his-95 relA1 62.71 1 relA1 spoT1 82.34 1 spoT1 metB1 88.94 1 metB1 - Comments:
- The his marker may have reverted in CGSC #5997.
- The strain has been reported by Reiner to have an unidentified growth requirement satisfied by small amounts of yeast extract.
- References:
- Clark, A.J. 1963. Genetic analysis of a "double male" strain of Escherichia coli K-12. Genetics 48:105-120
- Gesteland, RF 1966. Isolation and characterization of ribonuclease I mutants of Escherichia coli. J. Mol. Biol. 16(1):67-84.
- Reiner, AM 1969. Genetic locus for ribonuclease I in Escherichia coli. J. Bacteriol. 97(3):1522-3.
Printable Strain Report