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      Autophagy as a regulated pathway of cellular degradation.

      Science (New York, N.Y.)

      ultrastructure, metabolism, genetics, Yeasts, Proteins, Phagosomes, Organelles, Membrane Fusion, Lysosomes, Humans, Cytoplasm, Autophagy, Animals

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          Abstract

          Macroautophagy is a dynamic process involving the rearrangement of subcellular membranes to sequester cytoplasm and organelles for delivery to the lysosome or vacuole where the sequestered cargo is degraded and recycled. This process takes place in all eukaryotic cells. It is highly regulated through the action of various kinases, phosphatases, and guanosine triphosphatases (GTPases). The core protein machinery that is necessary to drive formation and consumption of intermediates in the macroautophagy pathway includes a ubiquitin-like protein conjugation system and a protein complex that directs membrane docking and fusion at the lysosome or vacuole. Macroautophagy plays an important role in developmental processes, human disease, and cellular response to nutrient deprivation.

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          Journal
          2732363
          11099404

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