Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Laminins are the Adhesive Proteins of Basal Lamina00:55

Laminins are the Adhesive Proteins of Basal Lamina

3.4K
Laminins are heterotrimeric proteins with high molecular mass found in the extracellular matrix. Each laminin molecule is composed of three chains, viz. alpha, beta, and gamma, coded by five, four, and three paralogous genes, respectively. Laminins are categories based on the compositions of the three chains.
In humans, the five forms of alpha chains are LAMA 1, LAMA 2, LAMA 3, LAMA 4, and LAMA 5. The four forms of beta chains are LAMB 1, LAMB 2, LAMB 3, and LAMB 4. The three forms of gamma...
3.4K
Disassembly of Intermediate Filaments01:35

Disassembly of Intermediate Filaments

2.0K
Intermediate filaments (IFs) do not undergo spontaneous disassembly. Enzymes, kinases, and phosphatases add and remove phosphates from specific sites to regulate their disassembly. The IF concentration in the cytoplasm also regulates the disassembly. If the concentration crosses a threshold, it activates the protein kinases in the vicinity, allowing the phosphorylation of IFs.
Keratin proteins, found at the cell periphery near cell junctions, undergo a cycle of assembly and disassembly. In Type...
2.0K
Basal Lamina are the Specialized Form of ECM01:03

Basal Lamina are the Specialized Form of ECM

3.1K
The basal lamina is a thin extracellular layer that lies underneath the cells and separates them from other tissues. The three layers of the basal lamina are lamina lucida, lamina densa and lamina reticularis. The basal lamina, a mixture of glycoproteins and collagen, provides an attachment site for the epithelium, separating it from underlying connective tissue. The framework of basal lamina has other essential proteins such as laminins mesh, perlecan, entactin, and type IV collagen.
Proteins...
3.1K
Nuclear Export01:42

Nuclear Export

3.7K
The nucleus restricts several proteins within and allows others to pass. The restricted proteins possess a nuclear retention sequence or NRS, anchoring them to the nuclear lamins and preventing their transport to the cytosol. The non-restricted proteins, after their synthesis, are transported to their site of action, such as the cytosol or other organelles, with the help of nuclear export signals or NES.
NES are of three types- the canonical 10-residue long leucine-rich signal and other...
3.7K
The Phragmoplast01:59

The Phragmoplast

5.0K
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...
5.0K
The Phragmoplast01:59

The Phragmoplast

1.9K
1.9K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Receptor-like kinases BIR1 and BIR3 modulate antiviral resistance by different mechanisms.

The New phytologist·2025
Same author

Adaptive substitutions at two amino acids of HCPro modify its functional properties to separately increase the virulence of a potyviral chimera.

Molecular plant pathology·2024
Same author

Root growth direction in simulated microgravity is modulated by a light avoidance mechanism mediated by flavonols.

Physiologia plantarum·2022
Same author

A novel device to study altered gravity and light interactions in seedling tropisms.

Life sciences in space research·2022
Same author

Use of Reduced Gravity Simulators for Plant Biological Studies.

Methods in molecular biology (Clifton, N.J.)·2021
Same author

Analysis of Graviresponse and Biological Effects of Vertical and Horizontal Clinorotation in <i>Arabidopsis thaliana</i> Root Tip.

Plants (Basel, Switzerland)·2021

Related Experiment Video

Updated: Apr 30, 2026

Detection of Nuclear Blebbing and DNA Leakage in Mammalian Cells by Immunofluorescence
06:23

Detection of Nuclear Blebbing and DNA Leakage in Mammalian Cells by Immunofluorescence

Published on: January 17, 2025

1.2K

The intriguing plant nuclear lamina.

Malgorzata Ciska1, Susana Moreno Díaz de la Espina1

  • 1Department of Cell and Molecular Biology, Biological Research Centre - Consejo Superior de Investigaciones Científicas Madrid, Spain.

Frontiers in Plant Science
|May 9, 2014
PubMed
Summary

Plant nuclear lamina, essential for nuclear structure and gene regulation, functions similarly to animal lamina despite lacking lamins. Nuclear matrix proteins likely act as functional analogs, supporting chromatin organization and nuclear shape.

Keywords:
CRWN proteinsLINC proteinsNMCP proteinsNup136SUN proteinsplant nuclear envelopeplant nuclear laminaplant nucleocytoplasmic linkers

More Related Videos

Validation of a Mouse Model to Disrupt LINC Complexes in a Cell-specific Manner
09:02

Validation of a Mouse Model to Disrupt LINC Complexes in a Cell-specific Manner

Published on: December 10, 2015

6.8K
Biophysical Assays to Probe the Mechanical Properties of the Interphase Cell Nucleus: Substrate Strain Application and Microneedle Manipulation
16:27

Biophysical Assays to Probe the Mechanical Properties of the Interphase Cell Nucleus: Substrate Strain Application and Microneedle Manipulation

Published on: September 14, 2011

12.2K

Related Experiment Videos

Last Updated: Apr 30, 2026

Detection of Nuclear Blebbing and DNA Leakage in Mammalian Cells by Immunofluorescence
06:23

Detection of Nuclear Blebbing and DNA Leakage in Mammalian Cells by Immunofluorescence

Published on: January 17, 2025

1.2K
Validation of a Mouse Model to Disrupt LINC Complexes in a Cell-specific Manner
09:02

Validation of a Mouse Model to Disrupt LINC Complexes in a Cell-specific Manner

Published on: December 10, 2015

6.8K
Biophysical Assays to Probe the Mechanical Properties of the Interphase Cell Nucleus: Substrate Strain Application and Microneedle Manipulation
16:27

Biophysical Assays to Probe the Mechanical Properties of the Interphase Cell Nucleus: Substrate Strain Application and Microneedle Manipulation

Published on: September 14, 2011

12.2K

Area of Science:

  • Cell Biology
  • Plant Biology
  • Molecular Biology

Background:

  • The nuclear lamina is a protein mesh supporting the nucleus, involved in chromatin organization, gene regulation, and signaling.
  • In animals, it comprises lamins and associated proteins; its structure and function are conserved in plants.
  • However, plants lack lamin genes, suggesting alternative proteins fulfill lamina functions.

Purpose of the Study:

  • To review the organization and composition of the plant nuclear lamina.
  • To discuss the functions of the plant nuclear lamina and its interacting complexes.
  • To explore potential functional lamin analogs in plant cells.

Main Methods:

  • Field emission scanning electron microscopy of plant nuclei.
  • Thin section transmission electron microscopy of isolated plant nucleoskeletons.
  • Analysis of nuclear matrix constituent proteins.

Main Results:

  • Plant nuclear lamina shares structural similarities with metazoan lamina.
  • Nuclear matrix constituent proteins are the main structural components of the plant lamina.
  • These proteins influence nuclear size, shape, and heterochromatin organization, suggesting they are functional lamin analogs.

Conclusions:

  • The plant nuclear lamina is structurally and functionally analogous to the animal lamina.
  • Plant nuclear matrix proteins serve as functional substitutes for lamins.
  • Further research is needed to fully elucidate the plant nuclear lamina's composition and activity.