In ${\mathrm{C}}_4$ plants, the process by which ${\mathrm{C}}_4$ acid is converted into ${\mathrm{C}}_3$ acid in the bundle sheath cell is known as

In ${\mathrm{C}}_4$ plants , the process by which ${\mathrm{C}}_4$ acids are converted into ${\mathrm{C}}_3$ acids in the bundle sheath cell is known as decarboxylation. Shortly after the discovery of the ${\mathrm{C}}_4$ cycle the Crassulacean acid metabolism (CAM) pathway was dissected and elucidated as a ${\mathrm{C}}_4$ variant. This pathway is found in desert succulents and epiphytes. In the typical ${\mathrm{C}}_4$ cycle, the fixation reaction occurred in a mesophyll cell and the decarboxylation reaction occurred in a bundle sheath cell, Decarboxylation is a chemical reaction that removes a carboxyl group and releases carbon dioxide (${\mathrm{CO}}_2$). Enzymes that catalyze decarboxylation are called decarboxylases.