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Related Concept Videos

Golgi Apparatus01:49

Golgi Apparatus

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.The Golgi apparatus is a major sorting and dispatch station for the products of the ER. Newly arriving vesicles enter...
Golgi Apparatus01:09

Golgi Apparatus

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...
Golgi Apparatus01:09

Golgi Apparatus

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...
Golgi Matrix Proteins01:12

Golgi Matrix Proteins

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...
Vesicular Tubular Clusters01:45

Vesicular Tubular Clusters

After budding out from the ER membrane, some COPII vesicles lose their coat and fuse with one another to form larger vesicles and interconnected tubules called vesicular tubular clusters or VTCs. These clusters constitute a compartment at the ER-Golgi interface known as ERGIC (Endoplasmic Reticulum Golgi Intermediate Compartment). The ERGIC is a mobile membrane-bound cargo transport system that sorts proteins secreted from ER and delivers them to the Golgi.
With the help of motor proteins such...
Transport Across the Golgi01:26

Transport Across the Golgi

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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Related Experiment Video

Updated: Jul 4, 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

Published on: August 10, 2017

The plant ER-Golgi interface.

Chris Hawes1, Anne Osterrieder, Eric Hummel

  • 1School of Life Sciences, Oxford Brookes University, Headington, Oxford, UK. chawes@brookes.ac.uk

Traffic (Copenhagen, Denmark)
|June 3, 2008
PubMed
Summary
This summary is machine-generated.

This review explores the dynamic interface between the endoplasmic reticulum (ER) and Golgi apparatus in plant cells. It discusses cargo transport, organelle biogenesis, and the motility roles of the ER and Golgi.

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

  • Cell Biology
  • Plant Cell Biology
  • Organelle Biology

Background:

  • The secretory pathway relies on the endoplasmic reticulum (ER) and Golgi apparatus for cargo transport.
  • Bidirectional transport between the ER and Golgi occurs via coated membranes.
  • The precise structure of the ER-Golgi interface in plants remains debated.

Purpose of the Study:

  • To review the organization and dynamics of the ER-Golgi interface in plant cells.
  • To discuss Golgi biogenesis from the ER.
  • To explore the mutual influence of ER and Golgi on each other's motility.

Main Methods:

  • Literature review and synthesis of existing research.
  • Analysis of controversial findings regarding ER-Golgi interface structure.
  • Speculative discussion on organelle biogenesis and motility.

Main Results:

  • The ER-Golgi interface is a dynamic junction crucial for protein and membrane trafficking.
  • Coated membranes mediate bidirectional cargo movement.
  • Controversies exist regarding the structural organization of this interface in plants.

Conclusions:

  • Understanding the ER-Golgi interface is key to deciphering plant cell secretory processes.
  • Further research is needed to resolve structural debates and elucidate motility mechanisms.
  • The ER and Golgi likely play interconnected roles in each other's dynamics and biogenesis.