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 χ773

• CGSC#: 6472
• Strain Designation

  Designation	Source	Preference
  χ773	Berg & Curtiss	1
  TOR-15		2
  chi773		2

  
  
• Sex(Hfr,F+,F-,or F'): Hfr
• Hfr Point of Origin#: 139(TP-TOR15)
• PO Map Position: 77.00
• Direction of Marker Transfer: Clockwise
• 3 Mutations:

  Mutation	Location	Certainty	Display
  glnV42(AS)	14.99	1	glnV42(AS)
  LAM-	17.40	1	λ-
  T3R	1000.00	1	T3R

  
  
• Comments:
  • In Lyophil Only
• References:
  • Berg, CM, R Curtiss 1967. Transposition derivatives of an Hfr strain of Escherichia coli K-12. Genetics 56(3):503-25.
  
  

  Printable Strain Report