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分离的叶绿体将2-[14C]甲羟戊酸掺入八氢番茄红素的过程。

Incorporation of 2-[14C]mevalonic acid into phytoene by isolated chloroplasts.

作者信息

Charlton J M, Treharne K J, Goodwin T W

出版信息

Biochem J. 1967 Oct;105(1):205-12. doi: 10.1042/bj1050205.

DOI:10.1042/bj1050205
PMID:4383323
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1198291/
Abstract
  1. Chloroplasts prepared by the non-aqueous technique will, after fragmentation by ultrasonic treatment, incorporate [2-(14)C]mevalonic acid into phytoene, the first C(40) compound formed in the biosynthetic sequence to coloured carotenoids. 2. With suspensions containing 3.5mg. of chlorophyll, the optimum amounts of cofactor required were ATP (10mumoles), magnesium chloride (20mumoles) and glutathione (20mumoles); neither NAD(+) nor NADP(+) was required. 3. Very small amounts of squalene are also formed and synthesis is stimulated by addition of NADH or NADPH. Phytoene synthesis was not affected by the presence of these cofactors and no lycopersene (the C(40) homologue of squalene) was detected. 4. The phytol side chain of chlorophyll is also labelled under these conditions. 5. Preparations of developing chloroplasts are more active than preparations of mature chloroplasts.
摘要
  1. 通过非水技术制备的叶绿体,经超声处理破碎后,会将[2-(14)C]甲羟戊酸掺入到八氢番茄红素中,八氢番茄红素是生物合成序列中形成有色类胡萝卜素的首个C(40)化合物。2. 对于含有3.5毫克叶绿素的悬浮液,所需辅因子的最佳量为ATP(10微摩尔)、氯化镁(20微摩尔)和谷胱甘肽(20微摩尔);不需要NAD(+) 也不需要NADP(+)。3. 也会形成极少量的角鲨烯,添加NADH或NADPH会刺激其合成。八氢番茄红素的合成不受这些辅因子存在的影响,未检测到番茄红素(角鲨烯的C(40)同系物)。4. 在这些条件下,叶绿素的叶绿醇侧链也会被标记。5. 发育中的叶绿体的制剂比成熟叶绿体的制剂更具活性。

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Incorporation of 2-[14C]mevalonic acid into phytoene by isolated chloroplasts.分离的叶绿体将2-[14C]甲羟戊酸掺入八氢番茄红素的过程。
Biochem J. 1967 Oct;105(1):205-12. doi: 10.1042/bj1050205.
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Biosynthesis of squalene and cholesterol by cell-free extracts of adult rat brain.成年大鼠脑无细胞提取物合成角鲨烯和胆固醇
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引用本文的文献

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Carotenoid synthesis in mustard seedlings as controlled by phytochrome and inhibitors.芥子幼苗中类胡萝卜素的合成受光敏色素和抑制剂的控制。
Planta. 1970 Dec;94(4):296-307. doi: 10.1007/BF00385762.
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Lipid metabolism in chromoplast membranes from the daffodil: Glycosylation and acylation.类囊体膜中的脂质代谢:糖基化和酰化。
Planta. 1977 Jan;133(3):249-53. doi: 10.1007/BF00380685.
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β-Carotene synthesis in isolated chromoplasts from Narcissus pseudonarcissus.水仙离体黄化质体中β-胡萝卜素的合成。

本文引用的文献

1
The biosynthesis of carotenes.胡萝卜素的生物合成。
Arch Biochem Biophys. 1962 Jun;97:520-8. doi: 10.1016/0003-9861(62)90116-9.
2
THE ENZYMATIC CONVERSION OF PHYTOENE TO BETA-CAROTENE.
J Biochem. 1964 Aug;56:195-6. doi: 10.1093/oxfordjournals.jbchem.a127979.
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THE ISOLATION OF STRUCTURALLY INTACT CHLOROPLASTS.结构完整的叶绿体的分离
Biochim Biophys Acta. 1964 May 25;79:637-9. doi: 10.1016/0926-6577(64)90235-9.
Planta. 1980 Dec;150(5):435-8. doi: 10.1007/BF00390182.
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Poly(A) polymerase and poly(g) polymerase in wheat chloroplasts.小麦叶绿体中的聚腺苷酸聚合酶和聚鸟苷酸聚合酶。
Proc Natl Acad Sci U S A. 1974 Feb;71(2):389-93. doi: 10.1073/pnas.71.2.389.
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Light-Stimulated Carotenoid Biosynthesis during Transformation of Maize Etioplasts Is Regulated by Increased Activity of Isopentenyl Pyrophosphate Isomerase.玉米黄化质体转化过程中光刺激的类胡萝卜素生物合成受异戊烯基焦磷酸异构酶活性增加的调控。
Plant Physiol. 1994 Jun;105(2):529-534. doi: 10.1104/pp.105.2.529.
6
Mevalonate kinase in green leaves and etiolated cotyledons of the french bean Phaseolus vulgaris.法国菜豆(Phaseolus vulgaris)绿叶和黄化子叶中的甲羟戊酸激酶
Biochem J. 1973 Jun;133(2):335-47. doi: 10.1042/bj1330335.
7
Biosynthesis of carotenoids and plant triterpenes.类胡萝卜素与植物三萜类化合物的生物合成
Biochem J. 1971 Jul;123(3):293-329. doi: 10.1042/bj1230293.
8
Stereochemistry of phytoene biosynthesis by isolated chloroplasts.离体叶绿体中八氢番茄红素生物合成的立体化学
Biochem J. 1969 Sep;114(3):641-3. doi: 10.1042/bj1140641.
4
The biosynthesis of phytoene and other carotenes by enzymes of isolated higher plant plastids.分离的高等植物质体中的酶对八氢番茄红素及其他类胡萝卜素的生物合成作用。
Arch Biochem Biophys. 1962 Jun;97:509-19. doi: 10.1016/0003-9861(62)90115-7.
5
[Comparative studies on chloroplasts obtained by isolation operations in non-aqueous and in aqueous milieu. I. A study of the relationships of chloroplast protein to total protein in the leaf cell].[非水相和水相介质中分离操作所获叶绿体的比较研究。I. 叶细胞中叶绿体蛋白质与总蛋白质关系的研究]
Z Naturforsch B. 1960 Feb;15B:95-9.
6
Studies on the biosynthesis of cholesterol. XII. Synthesis of allyl pyrophosphates from mevalonate and their conversion into squalene with liver enzymes.胆固醇生物合成的研究。十二、由甲羟戊酸合成烯丙基焦磷酸酯并利用肝脏酶将其转化为角鲨烯
J Lipid Res. 1960 Jul;1:286-300.
7
[Comparative studies on chloroplasts obtained by isolation operations in non-aqueous and in aqueous milieu. II. A criticism of the purity and enzyme localizations in chloroplasts].[关于在非水相和水相环境中通过分离操作获得的叶绿体的比较研究。II. 对叶绿体纯度和酶定位的批判]
Z Naturforsch B. 1960 Feb;15B:100-9.
8
Studies on the biosynthesis of cholesterol. XV. Mechanism of squalene biosynthesis from farnesyl pyrophosphate and from mevalonate.胆固醇生物合成的研究。十五、由法呢基焦磷酸酯及甲羟戊酸合成角鲨烯的机制。
J Biol Chem. 1961 Jul;236:1934-47.
9
Studies in carotenogenesis. 25. The incorporation of 14CO2, [2-14C] acetate and [2-14C]mevalonate into beta-carotene by illuminated etiolated maize seedings.类胡萝卜素生成的研究。25. 光照下黄化玉米幼苗将¹⁴CO₂、[2-¹⁴C]乙酸盐和[2-¹⁴C]甲羟戊酸掺入β-胡萝卜素的过程。
Biochem J. 1958 Dec;70(4):612-7. doi: 10.1042/bj0700612.
10
Incorporation of [14C] carbon dioxide and [2-14C] mevalonic acid into terpenoids of higher plants during chloroplast development.在叶绿体发育过程中[14C]二氧化碳和[2-14C]甲羟戊酸掺入高等植物萜类化合物的过程。
Biochem J. 1966 Apr;99(1):239-45. doi: 10.1042/bj0990239.