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
This strain mutates rapidly and, since there is selective advantage in the lac+ strains on some media, the lac- condition may be lost. However, the lac- strain may be recovered by selecting for white colonies on EMB or Endo medium.
Medium
ATCC® Medium 3: Nutrient agar or nutrient broth
Growth Conditions
Temperature: 37.0°C
Name of Depositor
AS Sussman
Chain of Custody
ATCC <<--AS Sussman<<--F. Ryan
References
Ryan FJ. Adaptation to use lactose in Escherichia coli. J. Gen. Microbiol. 7: 69-88, 1952. PubMed: 13011259
Ryan FJ, Wainwright LK. Nuclear segregation and the growth of clones of spontaneous mutants of bacteria. J. Gen. Microbiol. 11: 364-379, 1954. PubMed: 13221757
