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

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Strain strain ctr-7

• CGSC#: 4801
• Strain Designation

  Designation	Source	Preference
  strain ctr-7	Morse M.L.	1

  
  
• Sex(Hfr,F+,F-,or F'): Hfr
• Hfr Point of Origin#: 45
• PO Map Position: 65.00
• Direction of Marker Transfer: Counterclockwise
• 4 Mutations:

  Mutation	Location	Certainty	Display
  ptsI7	54.58	1	ptsI7
  relA1	62.71	1	relA1
  bglR-10	83.80	1	bglR-10
  thiE1	90.34	1	thiE1

  
  
• Comments:
  • This strain tends to revert and should be cloned and checked on mannitol (or some other sugar) indicator agar before use. ptsI7 was formerly called ctr-7.
• References:
  • Morse, HG, WK Penberthy, ML Morse 1971. Biochemical characterization of the ctr mutants of Escherichia coli. J. Bacteriol. 108(2):690-4.
  
  

  Printable Strain Report