E. coli Genetic Resources at Yale
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Strain Hfr 3000 YA139

• CGSC#: 5575
• Strain Designation

  Designation	Source	Preference
  Hfr 3000 YA139	Jacob F.	1

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

  Mutation	Location	Certainty	Display
  panB6	3.21	1	panB6
  LAM-	17.40	1	λ-
  e14-	26.00	1	e14-
  relA1	62.71	1	relA1
  spoT1	82.34	1	spoT1
  thiE1	90.34	1	thiE1

  
  
• Comments:
  • This strain is apparently no longer a high-frequency donor.
• References:
  • Cronan, JE 1980. Beta-alanine synthesis in Escherichia coli. J. Bacteriol. 141(3):1291-7.
  
  

  Printable Strain Report