E. coli Genetic Resources at Yale
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Strain χ523

• CGSC#: 6469
• Strain Designation

  Designation	Source	Preference
  χ523	Berg & Curtiss	1
  TOR-27		2
  chi523		2

  
  
• Sex(Hfr,F+,F-,or F'): Hfr
• Hfr Point of Origin#: 136(TP-TOR27)
• PO Map Position: 1000.00
• Direction of Marker Transfer: Clockwise
• 3 Mutations:

  Mutation	Location	Certainty	Display
  glnV42(AS)	14.99	1	glnV42(AS)
  LAM-	17.40	1	λ-
  T3R	1000.00	1	T3R

  
  
• Comments:
  • In lyophil Only
• References:
  • Berg, CM, R Curtiss 1967. Transposition derivatives of an Hfr strain of Escherichia coli K-12. Genetics 56(3):503-25.
  
  

  Printable Strain Report