“…The gene expression rhythm in several digestive organs is also affected by diet‐derived components such as lipids, amino acids and other nutrients (Dilixiati, Koyanagi, Kusunose, Matsunaga, & Ohdo, 2017; Fukuda et al, 2016; Furutani et al, 2015; Okamura et al, 2014). On the other hand, some diet‐derived compounds (fatty acids, vitamins, glucose) promote phosphorylation of CREB after activation of PKA or ERK (Cañón, Cosgaya, Scsucova, & Aranda, 2004; Costes et al, 2006; Lim et al, 2013).…”