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相关概念视频

Golgi Matrix Proteins01:12

Golgi Matrix Proteins

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Golgi matrix proteins are a group of highly dynamic proteins that maintain the stacked structure of Golgi. These proteins adapt to rapid morphological changes of the Golgi during the cell cycle. During cell division, mild proteolysis removes these connections resulting in Golgi unstacking. In The daughter cells, these proteins help reassemble the unstacked Golgi.
One of the first identified Golgi matrix proteins was GM130, a rod-like protein located in the cis-Golgi. Subsequently, many Golgi...
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Golgi Apparatus01:49

Golgi Apparatus

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As they leave the Endoplasmic Reticulum (ER), properly folded and assembled proteins are selectively packaged into vesicles. These vesicles are transported by microtubule-based motor proteins and fuse together to form vesicular tubular clusters, subsequently arriving at the Golgi apparatus, a eukaryotic endomembrane organelle that often has a distinctive ribbon-like appearance.
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Golgi Apparatus01:09

Golgi Apparatus

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Properly folded and assembled proteins are selectively packaged into vesicles that exit the ER. Motor proteins transport these vesicles to the Golgi apparatus for adding modifications that make these proteins functional at their destination.
The Golgi apparatus is a eukaryotic organelle that has a distinctive ribbon-like appearance. It is a primary sorting and dispatch station for cargo arriving from the ER. Newly arriving vesicles enter the cis face of the Golgi, closest to the ER, and are...
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Coat Assembly and GTPases01:33

Coat Assembly and GTPases

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Vesicles incorporate different coat protein subunits in different cell locations, which changes the properties of the coat, such as the shape and geometry of the transport vesicles. Thus, vesicle coat proteins also play a significant role in cargo selection.
Coat assembly depends on the local availability of phosphatidylinositol phosphates or PIPs and GTP-binding proteins. Adaptor proteins, which link the coat proteins to the membrane, bind to these PIPs and play a crucial role in controlling...
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GPI Anchoring of Proteins in the ER Membrane01:29

GPI Anchoring of Proteins in the ER Membrane

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GPI-anchoring is a post-translational, reversible protein modification that is ubiquitous in eukaryotes. Such proteins are primarily present on the exoplasmic leaflet of the plasma membrane.
GPI-anchor structure
A sequence of 11 enzymatic reactions results in the synthesis of the complete GPI anchor consisting of a hydrophobic and a hydrophilic portion. The hydrophobic portion comprises phosphatidylinositol, while the hydrophilic part comprises polar groups like phosphoethanolamine,...
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Transport Across the Golgi01:26

Transport Across the Golgi

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While it is unclear how molecules move between adjacent Golgi cisternae, it is apparent that the molecules move from cis- cisterna, the entry face, to the trans- cisterna, the exit face. Experiments initially suggested vesicles that bud from one cisterna and fuse with the next cisterna to transport proteins between the cisternae. This vesicular transport model describes the Golgi apparatus as a relatively static structure with a unique enzyme composition in each cisterna. Molecules are...
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相关实验视频

Updated: Feb 22, 2026

Quantitative Localization of a Golgi Protein by Imaging Its Center of Fluorescence Mass
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Quantitative Localization of a Golgi Protein by Imaging Its Center of Fluorescence Mass

Published on: August 10, 2017

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在戈尔吉生理学中的GARP复合物.

Amrita Khakurel1, Walter S Aragon-Ramirez1, Vladimir V Lupashin2

  • 1Department of Physiology and Cell Biology, University of Arkansas for Medical Sciences, Little Rock, AR, USA.

Sub-cellular biochemistry
|February 20, 2026
PubMed
概括
此摘要是机器生成的。

戈尔吉关联逆行蛋白 (GARP) 复合体对于囊泡从内分泌体到戈尔吉的运输至关重要. 了解GARP的理解

关键词:
内基因组-TGN逆行性贩运格尔普 (GARP) 的意思是葡萄糖基酶化是什么? 葡萄糖基酶化贩卖机械的机械设备.膀连接 膀连接 膀连接

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Analysis of Endocytic Uptake and Retrograde Transport to the Trans-Golgi Network Using Functionalized Nanobodies in Cultured Cells
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Analysis of Endocytic Uptake and Retrograde Transport to the Trans-Golgi Network Using Functionalized Nanobodies in Cultured Cells

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Visualization of G3BP Stress Granules Dynamics in Live Primary Cells
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相关实验视频

Last Updated: Feb 22, 2026

Quantitative Localization of a Golgi Protein by Imaging Its Center of Fluorescence Mass
13:08

Quantitative Localization of a Golgi Protein by Imaging Its Center of Fluorescence Mass

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Analysis of Endocytic Uptake and Retrograde Transport to the Trans-Golgi Network Using Functionalized Nanobodies in Cultured Cells
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Visualization of G3BP Stress Granules Dynamics in Live Primary Cells
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Visualization of G3BP Stress Granules Dynamics in Live Primary Cells

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科学领域:

  • 细胞生物学 细胞生物学
  • 分子生物学分子生物学
  • 遗传学 是一个遗传学.

背景情况:

  • 戈尔吉关联逆行蛋白 (GARP) 综合体是CATCHR家族的一部分,它调解了从内分泌体到跨戈尔吉网络 (TGN) 的囊泡连接.
  • GARP对于分类水解酶和回收膜蛋白至关重要,但其精确的机制,合作伙伴和贩运中间体的研究不足.
  • 循环蛋白,酶受体和病原体使用GARP依赖的通路,其中的突变与神经系统疾病有关.

研究的目的:

  • 审查关于GARP复合体的结构,功能和相互作用的当前知识.
  • 总结GARP突变的影响及其与人类病理学的关联.
  • 突出了对依赖GARP的贩运行为研究不足的方面.

主要方法:

  • 关于GARP复合物的现有研究的文献综述.
  • 对GARP在蛋白质分类和膜回收利用中的作用的研究分析.
  • 汇编了关于人类和模型生物体GARP突变和相关神经系统疾病的数据.

主要成果:

  • 在内体到TGN逆行性贩运中,GARP复杂的功能.
  • GARP依赖的运输对各种细胞过程至关重要,并被病原体利用.
  • GARP子单元中的突变与神经系统疾病有关,尽管机制尚不清楚.

结论:

  • GARP复合体在细胞贩运途径中发挥着至关重要的作用.
  • 需要进一步的研究来阐明GARP的确切分子机制和疾病关联.
  • 了解GARP对于了解正常细胞功能和神经系统疾病的发病过程至关重要.