Figure 1: Epigenome publications. It is drawn according to the publications with title or abstract mentioning the word “epigenome” in pubmed database from 2001 to 2011.9. Obviously,the publications continue to increase, especially in recent years with the wide application of next-generation sequencing technology.Although the published papers until September in 2011 is not more than 2010, it is expected that the growth trend will extend in the end of 2011.