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 LTF15

• CGSC#: 6539
• Strain Designation

  Designation	Source	Preference
  LTF15	Glansdorff N.	1

  
  
• Sex(Hfr,F+,F-,or F'): Hfr
• Hfr Point of Origin#: 3
• PO Map Position: 6.80
• Direction of Marker Transfer: Counterclockwise
• 6 Mutations:

  Mutation	Location	Certainty	Display
  pyrH78	4.14	1	pyrH78
  relA1	62.71	0	relA1
  spoT1	82.34	1	spoT1
  udp-10	86.52	1	udp-10
  metB1	88.94	1	metB1
  deoA75	99.50	1	deoA75

  
  
• Comments:
  • This strain may carry an uncharacterized mutation which permits the utilization of N-acetylglutamate as a source of arginine in the presence of an arginine auxotrophic mutation, mutation "X" of ancestor strain.
• References:
  • Pierard, A., N. Glansdorff, D. Gigot, M. Crabeel, P. Halleux, L. Thiry 1976. Repression of Escherichia coli carbamoylphosphate synthase: relationships with enzyme synthesis in the arginine and pyrimidine pathways. J.Bacteriol. 127:291-301
  
  

  Printable Strain Report