Escherichia coli (Migula) Castellani and Chalmers (ATCC® 25939)

Strain Designations: W3092cy-  /  Type Strain: no  /  Biosafety Level: 1

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Classification Enterobacteriaceae, Escherichia
Strain Designations W3092cy-
Application
Tends to mutate to negative character in the MeGal permease and should be checked for MeGal activity (galactose uptake) before use.
Isolation
Derived from existing strain
Biosafety Level 1

Biosafety classification is based on U.S. Public Health Service Guidelines, it is the responsibility of the customer to ensure that their facilities comply with biosafety regulations for their own country.

Product Format freeze-dried
Preceptrol® no
Type Strain no
Comments
Lactose permease negative
Tends to mutate to negative character in the MeGal permease and should be checked for MeGal activity (galactose uptake) before use.
Medium ATCC® Medium 3: Nutrient agar or nutrient broth
Growth Conditions
Temperature: 37.0°C
Name of Depositor W Boos
Isolation
Derived from existing strain
References

Boos W, Sarvas MO. Close linkage between a galactose binding protein and the beta- methylgalactoside permease in Escherichia coli. Eur. J. Biochem. 13: 526-533, 1970. PubMed: 4910389

Boos W. The galactose binding protein and its relationship to the beta- methylgalactoside permease from Escherichia coli. Eur. J. Biochem. 10: 66-73, 1969. PubMed: 4981309

Wu HC, et al. Role of the galactose transport system in the retention of intracellular galactose in Escherichia coli. J. Mol. Biol. 41: 109-120, 1969. PubMed: 4896014

derived from Escherichia coli K-12 strain W3092c, which is a galactokinase negative derivative of strain W3100 from the Lederberg Collectio

Notice: Necessary PermitsPermits

These permits may be required for shipping this product:

  • Customers located in the state of Hawaii will need to contact the Hawaii Department of Agriculture to determine if an Import Permit is required. A copy of the permit or documentation that a permit is not required must be sent to ATCC in advance of shipment.
Basic Documentation