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.
Leibowitz MJ, Wickner RB. A chromosomal gene required for killer plasmid expression, mating, and spore maturation in Saccharomyces cerevisiae. Proc. Natl. Acad. Sci. USA 73: 2061-2065, 1976. PubMed: 778853
