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电鳐经碱处理的突触后膜的结构变化并非由脂质水解引起。

Structural changes in alkaline-treated postsynaptic membranes from Torpedo marmorata are not due to lipid hydrolysis.

作者信息

Neugebauer D C, Zingsheim H P

出版信息

Biochim Biophys Acta. 1982 Jan 22;684(2):272-6. doi: 10.1016/0005-2736(82)90016-5.

DOI:10.1016/0005-2736(82)90016-5
PMID:7055569
Abstract

The removal of the 43 kDa peptide from postsynaptic membranes from the electric organ of Torpedo by alkaline treatment (pH 11) or by lithium diiodosalicylate at pH 8 results in similar ultrastructural changes that cannot be produced by the action of porcine pancreatic phospholipase A2 or lysophosphatidylcholine. Thin-layer chromatography fails to reveal significant alkaline hydrolysis of membrane lipids from postsynaptic membranes and erythrocyte ghosts under the conditions used for peptide extraction.

摘要

用电鳐电器官的突触后膜进行碱性处理(pH 11)或在pH 8条件下用二碘水杨酸锂去除43 kDa肽,会导致类似的超微结构变化,而猪胰磷脂酶A2或溶血磷脂酰胆碱的作用无法产生这种变化。在用于肽提取的条件下,薄层色谱未能显示突触后膜和红细胞膜的膜脂有明显的碱性水解。

相似文献

1
Structural changes in alkaline-treated postsynaptic membranes from Torpedo marmorata are not due to lipid hydrolysis.电鳐经碱处理的突触后膜的结构变化并非由脂质水解引起。
Biochim Biophys Acta. 1982 Jan 22;684(2):272-6. doi: 10.1016/0005-2736(82)90016-5.
2
Ultrastructural localization of the Mr 43,000 protein and the acetylcholine receptor in Torpedo postsynaptic membranes using monoclonal antibodies.利用单克隆抗体对电鳐突触后膜中43000分子量蛋白和乙酰胆碱受体进行超微结构定位
J Cell Biol. 1984 Jun;98(6):2239-44. doi: 10.1083/jcb.98.6.2239.
3
Peripheral proteins of postsynaptic membranes from Torpedo electric organ identified with monoclonal antibodies.用电鳐电器官的单克隆抗体鉴定突触后膜的外周蛋白。
J Cell Biol. 1984 Jul;99(1 Pt 1):88-96. doi: 10.1083/jcb.99.1.88.
4
Consequences of alkaline treatment for the ultrastructure of the acetylcholine-receptor-rich membranes from Torpedo marmorata electric organ.碱性处理对电鳐电器官富含乙酰胆碱受体的膜超微结构的影响。
J Cell Biol. 1981 Aug;90(2):418-26. doi: 10.1083/jcb.90.2.418.
5
Effects of temperature, lipid modification and pH on the mobility of the major proteins of the receptor-rich membranes from Torpedo marmarata.温度、脂质修饰和pH对电鳐富含受体的膜中主要蛋白质流动性的影响。
Biochim Biophys Acta. 1981 Nov 6;648(2):169-85. doi: 10.1016/0005-2736(81)90032-8.
6
Nicotinic postsynaptic membranes from Torpedo: sidedness, permeability to macromolecules, and topography of major polypeptides.电鳐的烟碱型突触后膜:膜的不对称性、对大分子的通透性以及主要多肽的拓扑结构
J Cell Biol. 1982 Feb;92(2):333-42. doi: 10.1083/jcb.92.2.333.
7
Effect of denervation on the organization of the postsynaptic membrane of the electric organ of Torpedo marmorata.去神经支配对斑纹电鳐电器官突触后膜组织结构的影响。
Brain Res. 1975 Jun 6;90(1):133-18. doi: 10.1016/0006-8993(75)90687-3.
8
[Importance of protein-protein interactions for the structural integrity of membrane framents from Torpedo marmorata electric organ].[蛋白质-蛋白质相互作用对电鳐电器官膜片段结构完整性的重要性]
C R Seances Acad Sci D. 1979 Sep 24;289(5):461-3.
9
A Raman spectroscopic investigation of the lipid state in acetylcholine receptor-rich membranes from Torpedo marmorata.电鳐富含乙酰胆碱受体的膜中脂质状态的拉曼光谱研究。
EMBO J. 1985 Apr;4(4):965-9. doi: 10.1002/j.1460-2075.1985.tb03725.x.
10
Cytoplasmic surface structure in postsynaptic membranes from electric tissue visualized by tannic-acid-mediated negative contrasting.用电镜单宁酸负染法观察电组织突触后膜的胞质面结构。
J Cell Biol. 1982 Feb;92(2):514-22. doi: 10.1083/jcb.92.2.514.

引用本文的文献

1
Extraction of peripheral proteins is accompanied by selective depletion of certain glycerophospholipid classes and changes in the phosphorylation pattern of acetylcholine-receptor-rich-membrane proteins.外周蛋白的提取伴随着某些甘油磷脂类别的选择性消耗以及富含乙酰胆碱受体的膜蛋白磷酸化模式的变化。
Biochem J. 1987 Jul 1;245(1):111-8. doi: 10.1042/bj2450111.