Sacha inchi (Plukenetia volubilis L., Euphorbiaceae) seed oil is rich in alpha-linolenic acid, a kind of n-3 fatty acids with many health benefits. To discover the mechanism underlying alpha-linolenic acid accumulation in sacha inchi seeds, preliminary research on sacha inchi seed development was carried out from one week after fertilization until maturity, focusing on phenology, oil content, and lipid profiles. The results suggested that the development of sacha inchi seeds from pollination to mature seed could be divided into three periods. In addition, investigations on the effect of temperature on sacha inchi seeds showed that total oil content decreased in the cool season, while unsaturated fatty acid and linolenic acid concentrations increased. In parallel, expression profiles of 17 unsaturated fatty acid related genes were characterized during seed development and the relationships between gene expression and lipid/unsaturated fatty acid accumulation were discussed.
1.Chinese Acad Sci, Xishuangbanna Trop Bot Garden, Key Lab Trop Plant Resource & Sustainable Use, Kunming 650223, Peoples R China 2.Chinese Acad Sci, Grad Univ, Beijing, Peoples R China 3.Chinese Acad Sci, Kunming Inst Bot, Kunming 650204, Peoples R China
Wang,Xiaojuan;Liu,Aizhong.Expression of Genes Controlling Unsaturated Fatty Acids Biosynthesis and Oil Deposition in Developing Seeds of Sacha Inchi (Plukenetia volubilis L.),LIPIDS,2014,49(10):1019-1031