Join Telegram Channel Contact Us Join Now!

Hexose Monophosphate Pathway (HMP) Shunt PPT & PDF Download

Please wait 0 seconds...
Scroll Down and click on Go to Link for destination
Congrats! Link is Generated
Good morning Agri Students

PPT Preview

*Scroll Right side →
1 / 3
2 / 6
3 / 6
6 / 6
6 / 6
6 / 6

*Scroll Down till end and Click on Google Drive to Download this PPT*
Table of Contents

Hexose Monophosphate Pathway 

The HMP is a route for the cell to produce NADPH which is required for the biosynthetic reaction. 

  • NADPH is crucial to keep glutathione in its reduced form to prevent oxidative damage to the cell. Because when glutathione gets oxidised it starts degradation inside the cell. 
  • The major pathway for aerobic respiration of glucose is through glycolysis and Kreb's Cycle but HMP shunts an equally important alternate pathway of glucose catabolism. 
  • The Hexose Monophosphate Pathway takes place in the cytosol of most organisms but
  • In plants, HMP shunt normally occurs in Plastids. 
Related Posts

Process 

The process is divided into two distinct parts i.e.  
1. Oxidative - it involves irreversible reaction.
2. Non-oxidative - it involves reversible reaction.  
1. In the first step one molecule NADPH is produced when the Glucose 6 phosphate is dehydrogenated to 6-phosphoglucono-lactone in the presence of glucose 6-phosphate dehydrogenase.
2. 6-phosphoglucono-lactone is hydrolysed into 6-phosphogluconate in the presence of 6-phosphogluconolactonase. This step requires water molecules, which may be obtained from the Electron Transport chain. 
3. 6-phosphogluconate is converted into ribulose 5-phosphate in the presence of 6-phosphogluconate dehydrogenase by oxidative decarboxylation, producing the 2nd molecule of NADPH, and CO2 release readily.
 
4. Ribulose-5-phosphate isomerises into ribose-5-phosphate in the presence of ribose-5-phosphate isomerase.
5. Another enzyme, phosphopentose epimerase, isomerises ribulose-5-phosphate into xylulose 5-phosphate at the same time.
6. Transketolase enzyme transfers a carbon group from ketose (xylulose-5-phosphate) to the aldose (ribose-5-phosphate), and the products obtained are glyceraldehyde 3-phosphate and sedoheptulose 7-phosphate. 
7. Transaldolase again transfers a carbon group from sedoheptulose 7-phosphate (ketose) to glyceraldehyde 3-phosphate (aldose), and the products obtained are erythrose 4-phosphate and fructose 6-phosphate. The key point is the number of carbon molecules numbers is maintained (10 molecules) in above and this step.  
8. A carbon from xylulose 5-phosphate is transferred to erythrose 4-phosphate in the presence of transketolase to obtain glyceraldehyde 3-phosphate and fructose 6-phosphate. The substrate can further participate in glycolysis. 

End product

NADPH - required for the biosynthetic reaction. An important component within phagolysosomes in the immune response 
Rbose-5-phosphate, which is used in the synthesis of nucleic acid and nucleotides, 
Erythrose-4-phosphate, is used for the synthesis of aromatic amino acids.

Save this PPT by Google Drive 

Hexose Monophosphate Pathway Plant Physiology  <1MB 16:9 .pdf
How To Download

If you see the 'Generating Download link' then check your net Speed and refresh this page. Even then if you face any Problems contact me, through the link

WhatsApp me!

Feedback 

Source 

About the Author

I'm an ordinary student of agriculture.

تعليق واحد

  1. Plz also upload images
Cookie Consent
We serve cookies on this site to analyze traffic, remember your preferences, and optimize your experience.
AdBlock Detected!
We have detected that you are using adblocking plugin in your browser.
The revenue we earn by the advertisements is used to manage this website, we request you to whitelist our website in your adblocking plugin.
Site is Blocked
Sorry! This site is not available in your country.