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

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Strain WA837

• CGSC#: 5613
• Strain Designation

  Designation	Source	Preference
  WA837	Arber W.	1
  AC5613		3

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

  Mutation	Location	Certainty	Display
  DE(galM-ybhJ)884	16.96	1	Δ(galM-ybhJ)884
  DE46	46.69	1	Δ46
  met-100	80.00	1	met-100
  mal+([K-12])(LamS)	91.40	1	[mal+]K-12(λS)
  hsdR11	98.74	1	hsdR11

  
  
• Comments:
  • Not a K-12 strain. E. coli B derivative.
  • This is a descendent of E. coli B which was cured of a defective prophage Δ 46
  • This strain is restriction(B)-minus, modification(B)-plus (r^-_B m⁺_B.
• References:
  • Wood, W.B. 1966. Host specificity of DNA produced by Escherichia coli: bacterial mutations affecting the restriction and modification of DNA. J.Mol.Biol. 16:118-133
  
  

  To request this strain visit the ECGRC website.

  
  

  Printable Strain Report