Figure 2

Growth curve of P. gingivalis and P. intermedia as a function of the percentage BHI+ in modified culture medium. P. gingivalis and P. intermedia were grown anaerobically in a mixture of BHI+ and DMEM/LG-complete, anaerobically. 0% BHI means 100% DMEM/LG-complete. BHI, brain heart infusion; DMEM/LG, Dulbecco's modified Eagle's medium low glucose.