Figure 1
![Figure 1](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2F1471-2164-7-147/MediaObjects/12864_2006_Article_530_Fig1_HTML.jpg)
Total number of TFs identified per genome for all the firmicutes analyzed in this study. The proportion of activators (yellow), repressors (black), dual (red) and proteins with unknown (gray) regulatory role is shown.
Total number of TFs identified per genome for all the firmicutes analyzed in this study. The proportion of activators (yellow), repressors (black), dual (red) and proteins with unknown (gray) regulatory role is shown.