E. coli Genetic Resources at Yale
CGSC, The Coli Genetic Stock Center

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Strain Hfr3000 U169

• CGSC#: 7093
• Strain Designation

  Designation	Source	Preference
  Hfr3000 U169	Jacob F.	1
  CA7027	Beckwith J.R.	2

  
  
• Sex(Hfr,F+,F-,or F'): Hfr
• Hfr Point of Origin#: 1
• PO Map Position: 96.80
• Direction of Marker Transfer: Clockwise
• 5 Mutations:

  Mutation	Location	Certainty	Display
  DE(argF-lac)169	6.21	1	Δ(argF-lac)169
  LAM-	17.40	1	λ-
  relA1	62.71	1	relA1
  spoT1	82.34	1	spoT1
  thiE1	90.34	1	thiE1

  
  
• Comments:
• References:
  • Casadaban, M.J. 1976. Transposition and fusion of the lac genes to selected promoters in Escherichia coli using bacteriophage lambda and Mu. J.Mol.Biol. 104:541-555
  
  

  Printable Strain Report