二酰基半乳糖基甘油的脂肪酰组成与叶绿体磷脂酸周转之间的关系。
Relationship between fatty-acyl composition of diacylgalactosylglycerol and turnover of chloroplast phosphatidate.
作者信息
Gardiner S E, Roughan P G
出版信息
Biochem J. 1983 Mar 15;210(3):949-52. doi: 10.1042/bj2100949.
Abstract
Chloroplasts from plants that contain different proportions of the 2-hexadecatrienoyl-1-linolenoyl molecular species in total diacylgalactosylglycerol were examined for their ability to dephosphorylate phosphatidate that had been labelled in situ with [1-14C]acetate. The turnover rate of chloroplast phosphatidate may be related to the accumulation of a prokaryotic diacylgalactosylglycerol, suggesting that chloroplast phosphatidate phosphatase controls the fatty acyl composition of the diacylgalactosylglycerol synthesized in the intact plant.
摘要
对来自不同植物的叶绿体进行了研究，这些植物的总二酰基半乳糖甘油中含有不同比例的2-十六碳三烯酰-1-亚麻酸分子种类，以检测它们使已用[1-¹⁴C]乙酸原位标记的磷脂酸去磷酸化的能力。叶绿体磷脂酸的周转率可能与原核二酰基半乳糖甘油的积累有关，这表明叶绿体磷脂酸磷酸酶控制着完整植物中合成的二酰基半乳糖甘油的脂肪酰基组成。
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