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

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Strain K12S

• CGSC#: 5711
• Strain Designation

  Designation	Source	Preference
  K12S	Pasteur Institute	1

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

  Mutation	Location	Certainty	Display
  LAM-	17.40	1	λ-
  serU84(AS)	44.01	1	serU84(AS)
  fhuA27 or fhuA24	1000.00	1	fhuA27 or fhuA24

  
  
• Comments:
  • Note that the designation "K12S" may have been used in the past to refer to other LAM^S strains.
  • This version of K12S may contain a phage and may carry supE44, lacY40, and galT22, see CGSC 5743 for a phage free version.
• References:
  • Bachmann, BJ 1972. Pedigrees of some mutant strains of Escherichia coli K-12. Bacteriol.Rev. 36(4):525-57.
  
  

  Printable Strain Report