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Nobel Prize in Physiology or Medicine - 1974

Nobel Prize in Physiology or Medicine - 1974 For “the structure and functional organization of the cell”. George E. Palade. Albert Claude. Christian de Duve. Modern Cell Biology – Structure and Function A Membrane Bound Perspective. 1938 - Electron microscope available

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Nobel Prize in Physiology or Medicine - 1974

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  1. Nobel Prize in Physiology or Medicine - 1974 For “the structure and functional organization of the cell” George E. Palade Albert Claude Christian de Duve

  2. Modern Cell Biology – Structure and Function A Membrane Bound Perspective 1938 - Electron microscope available Albert Claude – Rockefeller Institute used EM for visualizing cells Invented differential centrifugation and went on to discover the endoplasmic reticulum George Palade – Discovered ribosomes and determined that they carry out protein synthesis Went on to show that vesicles travel from ER to golgi to outside of the cell Christian de Duve – Used fractionation to isolate groups of enzymes discovered lysosome and perioxisome

  3. A WELL-KNOWN TECHNIQUE FOR USING 35S OR 3H TO STUDY PROTEIN MOVEMENT WITHIN A CELL

  4. Pulse of pancreatic B cells with 3H After 10 minutes, insulin moves from ER to Golgi After 45 minutes, the protein is found in the secretory granules

  5. Flourescence Recovery after photobleaching (FRAP) Flourescence loss in photobleaching (FLIP) pg 608 in your book

  6. Three main types of coated vesicles:

  7. Clathrin is also involved in receptor mediated endocytosis http://www.abcam.com/

  8. BOTH Clathrin and COPI/II assembly requires GTPases

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