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 RL22

• CGSC#: 6988
• Strain Designation

  Designation	Source	Preference
  RL22	Fimmel A.L.	1

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

  Mutation	Location	Certainty	Display
  DE(galK-uvrB)45	16.98	1	Δ(galK-uvrB)45
  DE(cysH-cysJ)264	62.17	1	Δ(cysH-cysJ)264
  relA1	62.71	1	relA1
  spoT1	82.34	1	spoT1
  thiE1	90.34	1	thiE1

  
  
• Comments:
• References:
  • Fimmel, AL, RE Loughlin 1977. Isolation of a lambdadcys transducing bacteriophage and its use in determining the regulation of cysteine messenger ribonucleic acid synthesis in Escherichia coli K-12. J. Bacteriol. 132(3):757-63.
  
  

  Printable Strain Report