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

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Strain KL237

• CGSC#: 4380
• Strain Designation

  Designation	Source	Preference
  KL237	Cappello M.C.	1

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

  Mutation	Location	Certainty	Display
  fhuA22	3.61	1	fhuA22
  phoA4(Am)	8.64	1	phoA4(Am)
  serS30	20.23	1	serS30
  serS15(ts)	20.23	1	serS15(ts)
  ompF627(T2R)	21.24	0	ompF627(T2R)
  fadL701(T2R)	53.01	1	fadL701(T2R)
  relA1	62.71	1	relA1
  pitA10	78.36	1	pitA10
  rrnB-2	89.76	1	rrnB-2
  mcrB1	98.63	1	mcrB1
  creC510	99.89	1	creC510

  
  
• Comments:
  • serS30 is a second mutation (not actually shown to be at the serS locus which results in a partial restoration of the serS⁺ phenotype. The strain is no longer TS for growth.
• References:
  • Low, B, F Gates, T Goldstein, D Soll 1971. Isolation and partial characterization of temperature-sensitive Escherichia coli mutants with altered leucyl- and seryl-transfer ribonucleic acid synthetases. J. Bacteriol. 108(2):742-50.
  
  

  Printable Strain Report