Biosynthesis of Phosphatidylinositols & Cardiolipin

The video tutorial explains the synthesis of phospholipids from phosphatidic acid, focusing on two main pathways: the inositol phospholipid pathway and the cardiolipin synthesis pathway. It details the enzymatic reactions involved, including the use of CDP as an activating group, and highlights the importance of phosphatidylinositol in generating the second messenger IP3. The tutorial also contrasts the strategies used in phospholipid synthesis, emphasizing the role of CDP in different contexts.

How does the enzyme phosphatidylinositol synthase contribute to phospholipid synthesis?

What is the significance of phosphatidylinositol 4-5 bisphosphate in cellular signaling?

What are the final products of the cardiolipin synthesis pathway?