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- The Discovery of Protein Phosphorylation
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1. Phosphorylase and the origin of reversible protein phosphorylation
- Prof. Edmond Fischer
- Protein Kinase Cascades
- The Modulation of Protein Function by Phosphorylation
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4. Two is the key to 14-3-3: dimeric mechanical signaling devices
- Prof. Carol MacKintosh
- Protein Phosphatases
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5. Structure and mechanisms of protein phosphatases
- Prof. David Barford
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6. Protein tyrosine phosphatases
- Prof. Jack Dixon
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7. The regulation of MAP kinase signalling by dual-specificity protein phosphatases
- Prof. Steve M. Keyse
- The Structures of Protein Kinases
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9. Protein kinase structure, function and regulation
- Prof. Susan Taylor
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10. The structural basis for the modulation of protein function by protein phosphorylation
- Prof. Dame Louise N. Johnson
- Biological Systems that are Regulated by Reversible Phosphorylation
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11. Protein phosphorylation and the control of protein synthesis
- Prof. Christopher Proud
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13. Roles of AMPK in energy homeostasis and nutrient sensing
- Prof. Grahame Hardie
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14. Serine kinases and T lymphocyte biology
- Prof. Doreen Cantrell
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15. The interplay between protein phosphorylation and ubiquitylation in the NF-κB pathway
- Prof. Zhijian 'James' Chen
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16. SMAD phosphorylation and the TGF-beta pathway
- Prof. Joan Massagué
- Protein Kinases and Human Disease
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17. Function and regulation of the PDK1 kinase
- Prof. Dario Alessi
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18. LKB1 pathway and its role in cancer
- Prof. Dario Alessi
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19. WNK1 pathway and its role in regulating hypertension
- Prof. Dario Alessi
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20. The hyperphosphorylation of tau and Alzheimer's disease
- Prof. Michel Goedert
- Protein Kinases as Targets for the Development of Anti-Cancer Drugs
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21. PI3K/AKT signaling in cancer
- Prof. Neal Rosen
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22. RAS and RAF signaling in melanoma: biology and therapies
- Prof. Richard Marais
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23. The mTOR kinase as a target for anti-cancer drugs
- Prof. David Sabatini
- Archived Lectures *These may not cover the latest advances in the field
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25. AMP-activated protein kinase: regulating cellular and whole body energy balance
- Prof. Grahame Hardie
Printable Handouts
Navigable Slide Index
- Introduction
- 55 years ago
- Studying glycogen phosphorylase
- Degradation of glycogen - adrenaline
- Fight or flight
- Insulin, glycogen synthase and glucagon
- Louis Leloir
- How this research started
- Regulation of phosphorylase
- Photograph of the Coris
- Phosphorylase showed no requirement for AMP
- Edwin Krebs - hesitation
- Cori's preparation of muscle phosphorylase (1)
- Purification of phosphorylase
- Edwin Krebs - Cori's preparation
- Ca2+ contamination is responsible for activation
- Edwin Krebs - ashes experiment
- What was phosphorylated?
- Activation-inactivation cycle of phosphorylase
- Edwin Krebs - JBC reviewers
- Knowledge of phospho proteins in 1950
- Ca2+ involvement in the crude extracts
- Phosphorylase kinase is also phosphorylated
- Sutherland
- cAMP and hormonal control of glycogenolysis
- Ca2+ and muscle contraction
- Single fiber measurement method
- Tension and phosphorylase kinase activity
- Effect of the sarcoplasmic reticulum
- The complete cycle of Ca2+
- Ubiquitous protein phosphorylation
- Phosphorylase was a good protein to work on
- Reciprocal control
- Control of glycogen synthesis and breakdown
- Mechanism of activation of GSK-3
- Not everybody believed in regulation by phos.
- Looking back at the early days
- The world - before and after
- Thank you
Topics Covered
- A historical account of the discovery of reversible protein phosphorylation
- Video clips of the late Edwin Krebs speaking about our early work
- Reversible protein phosphorylation represents one of the most prevalent mechanism by which cellular events are regulated
- Establishment of the first hormonal cascade of successive enzymatic reactions initiated by cAMP
Talk Citation
Fischer, E. (2010, November 30). Phosphorylase and the origin of reversible protein phosphorylation [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved April 19, 2025, from https://doi.org/10.69645/ROXK9891.Export Citation (RIS)
Publication History
- Published on November 30, 2010
Financial Disclosures
- Prof. Edmond Fischer has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.