Strain W3659
- CGSC#: 701
- Strain Designation
Designation Source Preference W3659 Richter A. 1 - Sex(Hfr,F+,F-,or F'): F-
- 6 Mutations:
Mutation Location Certainty Display fhuA24 3.61 1 fhuA24 lacY40 7.79 1 lacY40 galK2(Oc) 16.99 1 galK2(Oc) LAM- 17.40 1 λ- TP3 56.40 1 TP3 malB5::Sfa(att) 92.00 1 malB5::Sfa(att) - Comments:
- his.
- sfa-3 is a sex-factor-attachment-site in malB. When infected with F, this strain gives rise to an Hfr with the point of origin of Richter's Hfr3 (in malB). Note the transposition of
- In Lyophil Only.
- It is inserted between proAB and lac.
- References:
- Richter, A. 1961. Attachment of wild type F factor to a specific chromosomal region in a variant strain of Escherichia coli K12: the phenomenon of episomic alternation. Genet.Res. 2:333-345
- Dewitt, SK, EA Adelberg 1962. The Occurrence of a Genetic Transposition in a Strain of Escherichia Coli. Genetics 47(5):577-85.
Printable Strain Report