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By: Krishna Kant Yadav Chemotaxis
CheW CheY CheY CheY CheY CheY CheY MCP-Methyl accepting chemotaxis protein CheA repellent
CheW CheY CheY CheY CheY CheY CheY CheA Che A get phosphorylated
CheW CheY CheY CheY CheY CheY CheY CheA
CheW CheY CheY CheY CheY CheY CheY CheA
CheW CheY CheY CheY CheY CheY CheY CheA Che Y get phosphorylated as a result its CheY-P conacentration increases in the cell
CheW CheY CheY CheY CheY CheY CheY CheA Phosphorylated Che Y interact with the motor of flagella
CheW CheY CheY CheY CheY CheY CheY CheA Induces clockwise rotation Repellent increase CheY-P= tumbling motion Attractant l...
CheW CheY CheY CheY CheY CheY CheY CheA Che Z
Repellent Attractant Results in clockwise rotation (Tumbling) Binding to MCP Low level CheA-P&CheY-P Less stimulation of  ...
Adaptation
 
 
 
CheW CheY CheY CheY CheA Che Z CheA CheR Che B Che B Met Met Binding of attractant
CheW CheY CheY CheY CheA Che Z CheA CheR Che B Che B Met Met Change in conformation of MCP Less CheA-P Smooth motion Less ...
CheW CheY CheY CheY CheA Che Z CheA CheR Che B Che B Met Met Change in conformation of MCP Less CheA-P Smooth motion Less ...
Adaptation Binding of attractant or In absence of attractant Decreased activity of MCP Low Che Y-P smooth run High methyla...
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Chemotaxis

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chemotaxis in bacteria

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Chemotaxis

  1. 1. By: Krishna Kant Yadav Chemotaxis
  2. 2. CheW CheY CheY CheY CheY CheY CheY MCP-Methyl accepting chemotaxis protein CheA repellent
  3. 3. CheW CheY CheY CheY CheY CheY CheY CheA Che A get phosphorylated
  4. 4. CheW CheY CheY CheY CheY CheY CheY CheA
  5. 5. CheW CheY CheY CheY CheY CheY CheY CheA
  6. 6. CheW CheY CheY CheY CheY CheY CheY CheA Che Y get phosphorylated as a result its CheY-P conacentration increases in the cell
  7. 7. CheW CheY CheY CheY CheY CheY CheY CheA Phosphorylated Che Y interact with the motor of flagella
  8. 8. CheW CheY CheY CheY CheY CheY CheY CheA Induces clockwise rotation Repellent increase CheY-P= tumbling motion Attractant lowers CheY-P = smooth motion
  9. 9. CheW CheY CheY CheY CheY CheY CheY CheA Che Z
  10. 10. Repellent Attractant Results in clockwise rotation (Tumbling) Binding to MCP Low level CheA-P&CheY-P Less stimulation of the pathway CheY-P interact with Flagellar motor Che W CheA-P CheA CheY CheY-P Binding to MCP Counterclockwise rotation (Smooth Run)
  11. 11. Adaptation
  12. 15. CheW CheY CheY CheY CheA Che Z CheA CheR Che B Che B Met Met Binding of attractant
  13. 16. CheW CheY CheY CheY CheA Che Z CheA CheR Che B Che B Met Met Change in conformation of MCP Less CheA-P Smooth motion Less CheB-P Methylation occurs
  14. 17. CheW CheY CheY CheY CheA Che Z CheA CheR Che B Che B Met Met Change in conformation of MCP Less CheA-P Smooth motion Less CheB-P Methylation occurs MCP returns to its original form CheA-P & Che Y-P starts increasing Tumbling occurs More CheB-P synthesised Demethylation occurs
  15. 18. Adaptation Binding of attractant or In absence of attractant Decreased activity of MCP Low Che Y-P smooth run High methylation of MCP by Che R MCP returns to original confirmation Tumblig occurs At the same time Che B—P level increases and it demethylates MCP Increase level of Che Y-P

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