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Related Experiment Video

Updated: Jun 10, 2026

Image-Based Methods to Study Membrane Trafficking Events in Stomatal Lineage Cells

Image-Based Methods to Study Membrane Trafficking Events in Stomatal Lineage Cells

Published on: May 12, 2023

COPII-mediated traffic in plants.

Lucia Marti¹, Silvia Fornaciari, Luciana Renna

¹Michigan State University-DOE Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA.

Trends in Plant Science

|August 12, 2010

Summary

Coat protein complex II (COPII) facilitates essential endoplasmic reticulum (ER) to Golgi transport in plants. Recent research reveals COPII isoforms may have distinct roles, crucial for ER integrity.

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Lateral Root Inducible System in Arabidopsis and Maize

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Area of Science:

Cell Biology
Molecular Biology
Plant Science

Background:

The secretory pathway is vital for eukaryotic cell function, involving organelles for synthesizing and depositing lipids, proteins, and sugars.
Coat protein complex II (COPII) mediates transport between the endoplasmic reticulum (ER) and Golgi apparatus, crucial for the secretory pathway.
Understanding COPII function is key to comprehending cellular organization and protein trafficking.

Purpose of the Study:

To review recent advancements in COPII research specifically within plant systems.
To explore the distribution, regulation, and functional analysis of COPII isoforms in plants.
To highlight novel insights into the non-redundant roles of COPII isoforms.

Main Methods:

Literature review focusing on recent publications in plant COPII research.
Analysis of studies investigating ER-to-Golgi transport intermediates.
Examination of functional analyses of different COPII isoforms in plants.

Main Results:

Recent studies indicate that plant COPII isoforms may possess unique, non-redundant functions.
Evidence suggests these isoforms play critical roles in maintaining the structural integrity of the ER.
Advances in understanding the regulation and distribution of ER-to-Golgi transport intermediates have been made.

Conclusions:

Plant COPII isoforms are likely not functionally redundant and have specialized roles.
These isoforms contribute significantly to maintaining ER integrity.
Further research into plant COPII function will illuminate fundamental cellular processes.