Sporulation frequency (correspondence, Michio Takeuchi)

      Cells were grown in DSM at 37 for 24 hr after the initiation of sporulation. Cells were plated for viable count, heat shocked at 80 for 10 min, and plated for spore count.

Sporulation frequency is spore count /viable count.

-, no phenotype (>2.0 x 10-1)