Fig. 6From: Degradation of chlorotoluenes and chlorobenzenes by the dual-species biofilm of Comamonas testosteroni strain KT5 and Bacillus subtilis strain DKTCell numbers in single-species biofilms (filled squares) of C. testosteroni KT5 and 2-chlorotoluene degradation (filled diamonds) by the bacterial strain. The experiments were carried out using MMY medium supplemented with 0.5Â mM monochlorobenzene (a) and without monochlorobenzene (b)Back to article page