About Lesson
Pathways of Hatch and Slack Cycle
- The 4-carbon acid transported from mesophyll cells may be malate as above or may be aspartate.
- The 3-carbon acid transported back from bundle-sheath cells may be pyruvate as above, or alanine.
- The enzyme that catalyzes decarboxylation in bundle-sheath cells differs. In maize and sugarcane, the enzyme is NADP-malic enzyme, in millet, it is NAD-malic enzyme, and in Panicum maximum, it is PEP carboxykinase.
