Nutrition that certain living organisms perform at the expense of its less useful bodies as a means of survival before a prolonged fasting. Autophagy is a catabolic process highly conserved in eukaryotes, in which the cytoplasm, including excess organelles or those damaged or aberrant, are abducted in double membrane vesicles and released within the lysosome/vacuole for breakdown and eventual recycling of the resulting macromolecules.
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