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

About the CGSC

• CGSC Home
• Scope of the Collection
• The Database
• Privacy Policy
• Acknowledgment of Support

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

• Contact Information
• Charges
• Reviving Strains
• Strains Not Found?

Other CGSC Information

• FAQ on Procedures
• Current Working Map
• 1998 MMBR Map
• 1998 MMBR Gene List
• Map Diagrams (PDFs)

Other Links

• E. coli Links
• Other Stock Collections
• Other Bio Links
• Yale Web

Funded by a grant from the National Science Foundation

Strain χ148

• CGSC#: 6492
• Strain Designation

  Designation	Source	Preference
  χ148	Curtiss R.	1
  chi148		2

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

  Mutation	Location	Certainty	Display
  araC14	1.52	1	araC14
  leuB6(Am)	1.74	1	leuB6(Am)
  secA206(aziR)	2.33	1	secA206(aziR)
  fhuA23	3.61	1	fhuA23
  lacY1	7.79	1	lacY1
  tsx-67	9.28	1	tsx-67
  purE42	11.90	1	purE42
  glnX44(AS)	14.99	1	glnX44(AS)
  galK2(Oc)	16.99	1	galK2(Oc)
  LAM-	17.40	1	λ-
  trpE38	28.44	1	trpE38
  sup-78(Mal+)	44.00	0	sup-78(Mal+)
  rfbC1	45.43	0	rfbC1
  mgl-51	48.17	0	mgl-51
  rpsL109(strR)	74.84	1	rpsL109(strR)
  malA38	76.50	0	malA38
  glpR201	76.68	1	glpR201
  xylA5	80.34	1	xylA5
  mtl-1	81.26	1	mtl-1
  thiE1	90.34	1	thiE1

  
  
• Comments:
• References:
  
  

  Printable Strain Report