“…It is expected that the establishment of positional information is mediated by epigenetic modification, for example, methylation and acetylation of histones and DNA methylation (Hayashi et al, 2015;Suzuki et al, 2016;Tseng & Levin, 2012;Yakushiji, Yokoyama, & Tamura, 2009). It is expected that the establishment of positional information is mediated by epigenetic modification, for example, methylation and acetylation of histones and DNA methylation (Hayashi et al, 2015;Suzuki et al, 2016;Tseng & Levin, 2012;Yakushiji, Yokoyama, & Tamura, 2009).…”