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

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Strain JF448

• CGSC#: 6055
• Strain Designation

  Designation	Source	Preference
  JF448	Felton J.	1

  
  
• Sex(Hfr,F+,F-,or F'): F+
• 8 Mutations:

  Mutation	Location	Certainty	Display
  asnB32	15.02	1	asnB32
  LAM-	17.40	1	λ-
  relA1	62.71	1	relA1
  spoT1	82.34	1	spoT1
  rbs-4	84.50	1	rbs-4
  asnA31	84.60	1	asnA31
  thiE1	90.34	1	thiE1
  bglR13	1000.00	1	bglR13

  
  
• Comments:
• References:
  • Felton, J, S Michaelis, A Wright 1980. Mutations in two unlinked genes are required to produce asparagine auxotrophy in Escherichia coli. J. Bacteriol. 142(1):221-8.
  
  

  Printable Strain Report