Figure 3From: Functional genomics reveals that Clostridium difficileSpo0A coordinates sporulation, virulence and metabolismUpdated functional class annotation of C. difficile 630 genome compared to original 2006 genome annotation [5]. Genes are classified according to functional classes for the original 2006 annotation (black bars) compared to this study (white bars). Functional classes are described in more detail in Additional file 2.Back to article page