Asporogenic and oligosporogenic mutants of Bacillus thuringiensis can be isolated by streaking the bacteria onto a solid medium, incubating at 42 degrees C, and picking small, raised areas of growth which appear on the streaks after 48 h.
Asporogenic and oligosporogenic mutants of Bacillus thuringiensis can be isolated by streaking the bacteria onto a solid medium, incubating at 42 degrees C, and picking small, raised areas of growth which appear on the streaks after 48 h.