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

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Strain MA135

• CGSC#: 5353
• Strain Designation

  Designation	Source	Preference
  MA135	Maas W.K.	1

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

  Mutation	Location	Certainty	Display
  DE(gpt-proA)62	5.51	1	Δ(gpt-proA)62
  lac-	8.00	1	lac-
  trp-	28.00	1	trp-
  his-	44.00	1	his-
  CanR?-1	66.04	1	CanR?-1
  speB2	66.41	1	speB2
  xyl-0	80.30	1	xyl-0
  argE3(Oc)	89.48	1	argE3(Oc)
  thiE1	90.34	1	thiE1
  mtl-0	1000.00	1	mtl-0
  str-	1000.00	1	str-

  
  
• Comments:
  • The pedigree of this strain is not completely understood yet. There may be sugar markers. We will send a complete description as soon as it is available.
• References:
  • Hirshfield, IN, HJ Rosenfeld, Z Leifer, WK Maas 1970. Isolation and characterization of a mutant of Escherichia coli blocked in the synthesis of putrescine. J. Bacteriol. 101(3):725-30.
  • Maas, W.K. 1972. Mapping of genes involved in the synthesis of spermidine in Escherichia coli. Mol.Gen.Genet. 119:1-9
  
  

  To request this strain visit the ECGRC website.

  
  

  Printable Strain Report