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

About the CGSC

• CGSC Home
• Scope of the Collection

Searching the CGSC Database

• Help With Query Forms
• Strain Query
• Mutation Query
• Gene/Site Query
• Gene Product Query
• Reference Query
• Query Help
• Info on Genetic Nomenclature

How to Request Strains or Information

• Reviving Strains
• Contact Information

Strain MI253

• CGSC#: 5631
• Strain Designation

  Designation	Source	Preference
  MI253	Iaccarino M.	1

  
  
• Sex(Hfr,F+,F-,or F'): Hfr
• Hfr Point of Origin#: 1
• PO Map Position: 96.80
• Direction of Marker Transfer: Clockwise
• 7 Mutations:

  Mutation	Location	Certainty	Display
  thr-10	0.00	1	thr-10
  araC14	1.52	1	araC14
  ilvI614	1.84	1	ilvI614
  ilvH612	1.88	1	ilvH612
  LAM-	17.40	1	λ-
  relA1	62.71	1	relA1
  thiE1	90.34	1	thiE1

  
  
• Comments:
• References:
  • De Felice, M, J Guardiola, MC Malorni, T Klopotowski, M Iaccarino 1974. Regulation of the pool size of valine in Escherichia coli K-12. J. Bacteriol. 120(3):1058-67.
  
  

  Printable Strain Report