Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Specific activities of β-galactosidase of a fusion of the upstream region of the immune inhibitor protease to lacZ in the Sterne strain and in mutant d2. Time zero is the end of growth, with phase-dull endospores present in >70% of the cells by 4 h.
