Jatropha curcas L, belonging to Euphorbiaceae and thriving in many areas of the tropics and sub-tropics around the world, is a multipurpose plant with many attributes and considerable potentials. However, its utilization is limited by the only tropics and sub-tropics distribution. Stearoyl-acyl carrier protein (ACP) desaturase (SAD, EC.1.14.99.6) catalyzing desaturation of stearoyl-ACP to form oleoyl-ACP is a key enzyme of fatty acids synthetic metabolism in higher plants and plays a key role in determining...