FIG. 5.

Cultures with 2,3,5,6-CB and 1.0% (○), 0.1% (▵), and 0.05% (◊) (wt/vol [dry weight]) sterilized BH sediment. Supernatant from a 5.0% sediment culture was sequentially transferred with 1.0, 0.1, and 0.05% (wt/vol [dry weight]) BH sediment in E-Cl medium, incubated for 4 months, and transferred again under identical conditions. The data presented represent the second set of transferred cultures. The chlorines-per-biphenyl data for the killed-cell control with 1.0% sterilized BH sediment are for a single culture (⧫). The data from the live BH cultures are the average of duplicates.