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Digalactosyldiglyceride (DGDG) is one of the main lipids of the membranes of chloroplasts and it is one of the most abundant lipids in all photosynthetic tissues, including those of algae and some bacteria. In plants, it is much less prevalent in non-photosynthetic tissues. DGDG is formed by the de-phosphorylation of phosphatidic acid or phosphatidylcholine and the subsequent reaction with two 5-diphosphate(UDP)-galactoses. Digalactosyldiglycerides form a lipid bilayer in the lipid membrane whereas monogalactosyldiglycerides (MGDG) do not. A proper ratio of these two diglycerides is critical to membrane function. DGDG is important in photosynthesis although its role is not fully understood and is undergoing much active research. In cells undergoing photosynthesis, the photosystem I complex contains three moles of MGDG and one mole of phosphatidylglycerol while photosystem II contains four moles of DGDG. The proper ratio of lipids is needed for the effective crystallization of the light-harvesting complex II. However, an inability for plants to produce DGDG does not result in lethal phenotypes although a lack of phosphatidylglycerol does. It has been suggested that DGDG has a role in the activation of ATPase and it has an elevated expression in the peribacteroid membrane of nitrogen-fixing nodules of legumes.1 DGDG functions in the formation of thylakoid membrane stacks, chloroplast membrane biogenesis and protein import into chloroplasts.2 A recent report has suggested that DGDG may also have anti-cancer properties when administered orally .3 This highly pure product from Matreya is ideal for the research of digalactosyldiglyceride functions and identification.

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名称: 深圳市明博林生物科技有限公司
税务登记号 9144030055718808X9
地址: 深圳市龙岗区布吉大芬村茂业城怡和楼2座8A
电话: 0755-25106053
开户银行: 中国工商银行深圳红宝支行
账号: 4000024839200103206

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