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 Experiment Videos

Plant organelle positioning.

Masamitsu Wada1, Noriyuki Suetsugu

  • 1Department of Biological Sciences, Graduate School of Science, Tokyo Metropolitan University, Tokyo 192-0397, Japan. wada-masamitsu@c.metro-u.ac.jp

Current Opinion in Plant Biology
|October 20, 2004
PubMed
Summary

Plant organelle positioning is crucial for cell health and stress response. Recent studies in Arabidopsis thaliana reveal molecular mechanisms similar to, yet distinct from, animal and fungal systems.

Related Concept Videos

You might also read

Related Articles

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

Sort by
Same author

Reversible phosphorylation of NPH3/RPT2-like proteins regulates phototropin receptor signaling.

The Plant cell·2026
Same author

Amyloplasts are necessary for full gravitropism in thallus of Marchantia polymorpha.

Journal of experimental botany·2025
Same author

MID1-COMPLEMENTING ACTIVITY regulates cell proliferation and development via Ca2+ signaling in Marchantia polymorpha.

Plant physiology·2024
Same author

A Kinesin-Like Protein, KAC, is Required for Light-Induced and Actin-Based Chloroplast Movement in Marchantia polymorpha.

Plant & cell physiology·2024
Same author

Chloroplast-actin filaments decide the direction of chloroplast avoidance movement under strong light in Arabidopsis thaliana.

Journal of plant research·2024
Same author

The cAMP signaling module regulates sperm motility in the liverwort <i>Marchantia polymorpha</i>.

Proceedings of the National Academy of Sciences of the United States of America·2024

Area of Science:

  • Plant cell biology
  • Molecular genetics
  • Organelle dynamics

Background:

  • Organelle positioning is vital for cellular homeostasis and stress adaptation.
  • Plant organelle positioning mechanisms remain largely uncharacterized at the molecular level.
  • Existing knowledge primarily comes from animal and fungal models.

Purpose of the Study:

  • To elucidate the molecular mechanisms governing plant organelle positioning.
  • To compare and contrast plant organelle positioning with known mechanisms in other eukaryotes.
  • To identify key regulators of organelle movement in plants.

Main Methods:

  • Utilized organelle-targeting green fluorescent protein (GFP) constructs in Arabidopsis thaliana.
  • Performed genetic analyses to identify regulatory components.
  • Observed and quantified organelle movement and positioning in live plant cells.

Main Results:

  • Identified novel molecular players involved in plant organelle positioning.
  • Demonstrated that plant organelle positioning shares some conserved mechanisms with animals and fungi.
  • Revealed unique regulatory pathways specific to plant cells.
  • Characterized the dynamic behavior of organelles within plant cells.

Conclusions:

  • Plant organelle positioning is actively regulated by specific molecular mechanisms.
  • These mechanisms exhibit both conserved and unique features compared to non-plant systems.
  • Further research into these pathways will enhance understanding of plant cell function and adaptation.

Related Experiment Videos