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

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Strain WA2548

• CGSC#: 5618
• Strain Designation

  Designation	Source	Preference
  WA2548	Arber W.	1
  AC5618		3

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

  Mutation	Location	Certainty	Display
  leuB6(Am)	1.74	1	leuB6(Am)
  fhuA21	3.61	1	fhuA21
  lacY1 or DE(cod-lacI)6	7.80	1	lacY1 or Δ(cod-lacI)6
  glnX44(AS)	14.99	1	glnX44(AS)
  LAM-	17.40	1	λ-
  metB1	88.94	0	metB1
  thiE1	90.34	0	thiE1
  hsdS12	98.67	1	hsdS12

  
  
• Comments:
  • In lyophil only. This strain is r-A, m-A.
  • Not a pure K-12 strain.
  • This is a K-12 derivative which has received the hsd- deoB region from E. coli 15. This strain is r^-_A, m^-_A.
• References:
  • Arber, W, D Wauters-Willems 1970. Host specificity of DNA produced by Escherichia coli. XII. The two restriction and modification systems of strain 15T-. Mol. Gen. Genet. 108(3):203-17.
  
  

  Printable Strain Report