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Related Concept Videos

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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Animal and Plant Cell Structure01:30

Animal and Plant Cell Structure

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Animal and plant cells not only differ in their structure, function, and mode of nutrition but also in how they reproduce, specialize, and organize into complex structures.
Cell Division
Though both plant and animal cells divide by mitosis (for non-gametic cells) and meiosis (for gametic cells), they differ in the specifics of this process. Unlike animal cells, plant cells lack centrosomes — an organelle responsible for organizing the spindle fibers and segregating the chromosomes during...
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Cell Adhesion in Plants01:14

Cell Adhesion in Plants

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Plants have rigid cell walls that are made up of cell wall polysaccharides that mediate cell-cell adhesion. The primary cell walls of plants consist of two independent and interacting polysaccharide networks: a pectin matrix that embeds the second network comprising cellulose and hemicelluloses.
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose,...
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The Phragmoplast01:59

The Phragmoplast

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Cell division is essential for organismal growth and development. In animal cells, the central spindle and its associated proteins form the midbody, a structure that has an essential role in cytokinesis. In plants, the central spindle, along with the microtubules, actin, and other cell components, matures into the phragmoplast, which is necessary for cytokinesis. Unlike the stationary midbody, the phragmoplast expands centrifugally, eventually leading to the formation of the new cell wall.
The...
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Plasmodesmata02:32

Plasmodesmata

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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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Contact-dependent Signaling01:19

Contact-dependent Signaling

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Contact-dependent signaling, as the name suggests, requires that communicating cells be in direct contact with each other. This is achieved either through receptor-ligand interactions or by specialized cytoplasmic channels that allow the flow of small molecules between cells. In animal cells, channels called gap junctions facilitate contact-dependent signaling in certain tissues, whereas, plasmodesmata perform a similar function in plants.
Gap Junctions
In animal cells, gap junctions are formed...
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Related Experiment Video

Updated: Jun 14, 2025

Protein-protein Interactions Visualized by Bimolecular Fluorescence Complementation in Tobacco Protoplasts and Leaves
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Organelle Interactions in Plant Cells.

Maya-Renee Hall1, Thomas Kadanthottu Kunjumon1, Puja Puspa Ghosh1

  • 1Laboratory of Plant Development & Interactions, Department of Molecular & Cellular Biology, University of Guelph, Guelph, ON, Canada.

Results and Problems in Cell Differentiation
|September 6, 2024
PubMed
Summary
This summary is machine-generated.

Eukaryotic cell function relies on organelle interactions. Studying these dynamic exchanges in plant cells reveals how they change under stress and return to normal homeostasis.

Keywords:
Fluorescent proteinsOrganellesPlant cellSubcellular interactions

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Area of Science:

  • Cell Biology
  • Plant Science
  • Biochemistry

Background:

  • Eukaryotic cells compartmentalize functions within organelles.
  • Interactions between organelles are crucial for cellular processes and unique cell function.
  • Observing sub-cellular interactions in living plant cells has advanced with fluorescent protein technology.

Purpose of the Study:

  • To provide an overview of organelle interactions in plant cells.
  • To highlight the dynamic nature of organelle interactivity.
  • To discuss the role of organelle interactions in cellular stress response and homeostasis.

Main Methods:

  • Utilizing fluorescent fusion proteins targeted to specific organelles.
  • Observing and assessing sub-cellular interactions in living plant cells.
  • Analyzing changes in organelle interactivity in response to cellular stress.

Main Results:

  • Organelle interactivity is dynamic and changes rapidly under stress.
  • Cells exhibit a less interactive state as homeostasis is re-established.
  • Fluorescent protein technology enables detailed observation of these dynamic processes.

Conclusions:

  • Organelle interactions are fundamental to eukaryotic cell function.
  • Plant cells exhibit dynamic organelle interactivity that is responsive to stress.
  • Understanding these interactions is key to comprehending cellular resilience and homeostasis.