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Related Concept Videos

Overview of Secretory Vesicles01:33

Overview of Secretory Vesicles

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Secretory vesicles, also known as dense core vesicles (DCVs), are membrane-bound vesicles that transport secretory proteins, such as hormones or neurotransmitters. Regulated secretory vesicles transport proteins from the trans-Golgi network to the exterior of the cell. Proteins present in regulated secretory vesicles are required to be rapidly exocytosed in large amounts upon a specific stimulus.
Various proteins regulate the aggregation of molecules inside the secretory vesicles. Chromogranins...
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Short-distance Transport of Resources02:12

Short-distance Transport of Resources

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Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
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The Apoplast and Symplast01:46

The Apoplast and Symplast

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Plant growth depends on its ability to take up water and dissolved minerals from the soil. The root system of every plant is equipped with the necessary tissues to facilitate the entry of water and solutes. The plant tissues involved in the transport of water and minerals have two major compartments - the apoplast and the symplast. The apoplast includes everything outside the plasma membrane of living cells and consists of cell walls, extracellular spaces, xylem, phloem, and tracheids. The...
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Plasmodesmata02:32

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The organs in a multicellular organism’s body are made up of tissues formed by cells. To work together cohesively, cells must communicate. One way that cells communicate is through direct contact with other cells. The points of contact that connect adjacent cells are called intercellular junctions.
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Plasmodesmata01:20

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In a multicellular organism, cells must communicate to work together in a coordinated manner. One way that cells communicate is through direct contact with other cells. The points of contact that connect adjacent cells are called intercellular junctions.
Intercellular junctions are a feature of fungal, plant, and animal cells. However, different types of junctions are found in different kinds of cells. Intercellular junctions found in animal cells include tight junctions, gap junctions, and...
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Cell Signaling in Plants01:25

Cell Signaling in Plants

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Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
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Related Experiment Video

Updated: Nov 8, 2025

Modifying Baculovirus Expression Vectors to Produce Secreted Plant Proteins in Insect Cells
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Modifying Baculovirus Expression Vectors to Produce Secreted Plant Proteins in Insect Cells

Published on: August 20, 2018

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Protein secretion in plants.

Russell L Jones1, David G Robinson2

  • 1Department of Botany, University of California, Berkeley, CA 94720 USA.

The New Phytologist
|April 20, 2021
PubMed
Summary
This summary is machine-generated.

Plant protein secretion, a vital process, involves synthesis in the endoplasmic reticulum and transport via vesicles. This review details recent advances in understanding plant secretion mechanisms and compares them to animal cells.

Keywords:
Golgi apparatusProtein secretionendoplasmic reticulumextensinglycoproteinssecretory vesiclessignal peptides

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Peptide-derived Method to Transport Genes and Proteins Across Cellular and Organellar Barriers in Plants
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Author Spotlight: Optimizing Apoplast Protein Extraction for Efficient Recovery of Recombinant Proteins from Plant Cells
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Area of Science:

  • Plant Biology
  • Cell Biology
  • Molecular Biology

Background:

  • Protein secretion is essential in plants but not fully understood.
  • Secreted proteins are synthesized in the rough endoplasmic reticulum and transported via vesicles.
  • Structural aspects are known, but secretion mechanisms are emerging.

Purpose of the Study:

  • To review recent developments in plant protein secretion.
  • To compare secretion mechanisms in plant and animal cells.

Main Methods:

  • Literature review of recent advancements.
  • Comparative analysis of plant and animal secretion pathways.

Main Results:

  • Detailed understanding of protein synthesis and post-translational modification.
  • Identification of molecular requirements for secretion.
  • Characterization of secretory transport vehicles and regulation.

Conclusions:

  • Significant progress has been made in understanding plant secretion.
  • Comparative insights highlight similarities and differences with animal systems.
  • Further research is needed to fully elucidate these complex mechanisms.