“…It has become evident that the cellular chromatin state is dynamically linked to metabolic and homeostatic perturbations, not only by providing a flexible platform for metabolic gene expression programs but also by acting as an intrinsic rheostat of carbon flux and cellular pH (van der Knaap & Verrijzer, 2016). As has been reviewed extensively elsewhere, the activity of histone‐ and nucleic acid‐modifying enzymes relies on (and is influenced by) the availability of specific substrates, intermediates, and products from diverse metabolic pathways, including glycolysis, tricarboxylic acid cycle, fatty acid β‐oxidation, methionine cycle, and glutamine metabolism (Etchegaray & Mostoslavsky, 2016; Li, Egervari, Wang, Berger, & Lu, 2018; Nieborak & Schneider, 2018; Reid, Dai, & Locasale, 2017; Schvartzman, Thompson, & Finley, 2018; Sharma & Rando, 2017; van der Knaap & Verrijzer, 2016). Consequently, shifts in substrate selection and energy provision in the exercising muscle may have multiple acute implications on chromatin dynamics and epigenetic modifications.…”