Related Experiment Video
Updated: Feb 20, 2026

08:07
Identification of Plasmodesmal Localization Sequences in Proteins In Planta
Published on: August 15, 2017
8.8K
Nuclear movement and positioning in plant cells.
1Department of Biological Science, Graduate School of Science and Engineering, Metropolitan University, Minami-ohsawa 1-1, Hachioji, Tokyo 192-0397, Japan.
Seminars in Cell & Developmental Biology
|October 22, 2017
Summary
Plant cell nuclear positioning is crucial for development and physiological functions due to immobility. This review examines nuclear movement mechanisms in Arabidopsis thaliana and Adiantum capillus-veneris.
Area of Science:
- Plant Cell Biology
- Molecular Biology
- Developmental Biology
Background:
- Plant cells, fixed by rigid cell walls, require precise nuclear positioning for development and function.
- Organelle movement, including nuclear migration, is vital for sessile plants facing environmental changes.
Purpose of the Study:
- To review the mechanisms and purposes of nuclear movement in plants.
- To highlight recent findings in model organisms like Arabidopsis thaliana and Adiantum capillus-veneris.
Main Methods:
- Review of recent studies on nuclear movement mechanisms.
- Comparative analysis of nuclear behavior in Arabidopsis thaliana (model for genetics) and Adiantum capillus-veneris (model for cell biology).
Main Results:
- Nuclear positioning is essential for unequal cell division and physiological adaptation in plants.
- Specific mechanisms of nuclear movement have been elucidated in model plant systems.
Conclusions:
- Understanding nuclear movement is key to comprehending plant cellular development and environmental responses.
- Arabidopsis and Adiantum provide valuable models for studying nuclear dynamics in plants.
Related Concept Videos
The Phragmoplast
6.4K
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...
The...
6.4K
Nuclear Protein Sorting
6.5K
Nuclear protein sorting is the selective trafficking of histones, polymerases, gene regulatory proteins into the nucleus and exporting RNAs and ribosomes to the cytosol. It is a tightly controlled process that regulates gene expression within a cell.
Proteins targeted to the nucleus carry nuclear localization signals or NLS recognized by import receptors in the cytosol. Similarly, proteins with nuclear export signals are recognized by export receptors. Import and export receptors are...
Proteins targeted to the nucleus carry nuclear localization signals or NLS recognized by import receptors in the cytosol. Similarly, proteins with nuclear export signals are recognized by export receptors. Import and export receptors are...
6.5K
Short-distance Transport of Resources
17.8K
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.
17.8K
Determining the Plane of Cell Division
4.0K
Positioning the cell division plane is a critical step during development and cell differentiation, particularly during mitosis when the plane is essential for determining the size of the two daughter cells. The cell division plane is perpendicular to the plane of chromosome segregation, but different types of organisms have different cell division mechanisms to suit their morphology and function.
Animal cells
In animal cells, the cleavage furrow forms along the plane of cell division...
Animal cells
In animal cells, the cleavage furrow forms along the plane of cell division...
4.0K
Non-nuclear Inheritance
23.3K
Most DNA resides in the nucleus of a cell. However, some organelles in the cell cytoplasm—such as chloroplasts and mitochondria—also have their own DNA. These organelles replicate their DNA independently of the nuclear DNA of the cell in which they reside. Non-nuclear inheritance describes the inheritance of genes from structures other than the nucleus.
23.3K
Regulation of Nuclear Protein Sorting
3.4K
Nuclear protein sorting regulates nucleus composition and gene expression, crucial for determining the fate of a eukaryotic cell. Hence, the entry and exit of molecules across the nuclear envelope is a tightly controlled process. Nuclear protein sorting can be inhibited by one of the following ways: 1) masking cargo signal sequences, 2) modifying the nuclear receptor's affinity for cargo, 3) controlling the nuclear pore size, 4) retaining the cargo during its transit to the cytosol or the...
3.4K

