Through the seven-year studies, the research group led by SJTU Professor Zhang Dabing, with the collaboration of American and Germany scientific research groups, cloned and characterized Fatty Acyl Carrier Protein Reductase and DPW (Defective Pollen Wall), which participate in anther cuticle and pollen sporopollenin development in the monocot Rice. Besides, the proposed scheme of the biosynthesis of pollen exine and anther cuticle was put forward (as shown below). The relevant paper was published on The Plant Cell (June 24, 2011).
The result showed plastids can synthesize fatty acids and covert it into fatty alcohols. More over, in previous reports, the substrate for fatty acid reductase (FAR) in animals and plants is fatty-acyl CoAs, while fatty acyl-ACP is proved to be the optimal substrate for DPW (FAR-like protein) in this research.
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Translated by Wu Xiujuan | Reviewed by Tian Cong