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Related Concept Videos

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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.
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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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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.
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Author Spotlight: Microscopic Analysis of Protein Localization at Plasmodesmata in Plants
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Author Spotlight: Microscopic Analysis of Protein Localization at Plasmodesmata in Plants

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Plasmodesmata spread their influence.

David Jackson1

  • 1Cold Spring Harbor Laboratory One Bungtown Road, Cold Spring Harbor, NY 11724 USA.

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|May 1, 2015
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Summary
This summary is machine-generated.

Plasmodesmata (PDs) are microscopic plant cell channels crucial for molecule transport. Recent findings highlight their role in auxin movement and signaling, impacting plant development and physiology.

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Area of Science:

  • Plant Biology
  • Cell Biology
  • Molecular Biology

Background:

  • Plasmodesmata (PDs) are intercellular channels connecting plant cells.
  • PDs facilitate molecule transport for systemic movement within plants.

Purpose of the Study:

  • To review recent findings on plasmodesmata functions.
  • To highlight the role of PDs in auxin transport and signaling.

Main Methods:

  • Literature review of recent research findings.

Main Results:

  • Plasmodesmata contribute to auxin movement.
  • PDs are potential sites for receptor-mediated signaling.
  • Symplasmic connectivity is vital for plant development, defense, and physiology.

Conclusions:

  • Recent discoveries expand the known roles of plasmodesmata.
  • A reassessment of symplasmic connectivity's importance is warranted.