Fungi - Candida albicans - Research News, Data, Publications & Aproaches - ERG11 Mutations - Telomeres - Sub-Telomeric Structures - Nuclear Biology & Nuclear Chemistry Aproaches - Chromatin Chemistry and Epigenetic Modulation - Non-Elabirate Pists - Post 8
At the molecular scale, chromatin transitions at ERG11 follow complex kinetic principles. The rates of acetylation, deacetylation, methylation, and demethylation operate within competing feedback circuits, producing bistable or oscillatory states. Under drug stress, elevated NAD+ levels enhance Sir2p deacetylase activity, while reactive oxygen species (ROS) inhibit methyltransferases by oxidizing S-adenosylmethionine (SAM) cofactors (Puig & Gutiérrez, 2022). This coupling of redox chemistry to chromatin kinetics yields a dynamic system wherein ERG11 expression reflects both nuclear environment and metabolic flux. Such coupling converts the chromatin state from a static code into a chemically responsive network capable of sensing intracellular equilibrium.
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