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 has a mutation in the early step of the isoleucine biosynthetic pathway that converts threonine to alpha-ketobutyrate.
Requires L-isoleucine
Medium
ATCC® Medium 3: Nutrient agar or nutrient broth
Growth Conditions
Temperature: 37.0°C
Name of Depositor
HE Umbarger
References
Umbarger HE. The nutritional requirements of threonineless mutants of Escherichia coli. J. Bacteriol. 65: 203-209, 1953. PubMed: 13034717
Tarun AS, et al. Random Mutagenesis of 1-aminocyclopropane-1-carboxylate synthase: a key enzyme in ethylene biosynthesis. Proc. Natl. Acad. Sci. USA 95: 9796-9801, 1998. PubMed: 9707555