KL335      Source of Strain:
Hfr Point of Origin#:
2A Map Position:
12.20 Direction of Marker Transfer:
Counterclockwise Chromosomal Markers: lacZ608
, λ-Strain Comments:
- lacZ608(Am)-- is an amber mutation (Newton et al. 1965 J. Mol. Biol. 14:290), aka lacZ-NG608 by Zinder, in segment 10 of the lacZ gene (Zipser et al. 1970).
- lacI22 was formerly called laci3-
- Am = amber(UAG) mutation
- Birge, EA, KB Low 1974. Detection of transcribable recombination products following conjugation in rec+, reCB- and recC-strains of Escherichia coli K12. J. Mol. Biol. 83(4):447-57.