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

Sieve elements caught in the act.

Aart J E van Bel1, Katrin Ehlers, Michael Knoblauch

  • 1Institute General Botany, Justus-Liebig University Giessen, Senckenbergstrasse 17, 35390, Giessen, Germany. aart.v.bel@bot1.bio.uni-giessen.de

Trends in Plant Science
|March 22, 2002
PubMed
Summary
This summary is machine-generated.

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

Sieve elements. Hidden corners, fierce debates, future prospects.

Protoplasma·2026
Same author

The influence of electrical charge on plasmodesma conductivity.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Complex sphingolipid metabolism impacts cell division and plasmodesmal development in the moss Physcomitrium patens.

Plant physiology·2025
Same author

Movement through plasmodesmata: an evaluation of the physical basis and available experimental methods.

Journal of experimental botany·2025
Same author

A multi-physics approach to probing plant responses: From calcium signaling to thigmonastic motion.

Journal of plant physiology·2025
Same author

Evolutionary dynamics of Orchid DL paralogs: gene duplication, functional divergence, and expression patterns across Orchid subfamilies.

BMC plant biology·2025
Same journal

Adapting KAS-seq for genome-wide transcription profiling in plants.

Trends in plant science·2026
Same journal

Better breeding leveraging more biology.

Trends in plant science·2026
Same journal

Women in plant science around the world.

Trends in plant science·2026
Same journal

Bilateral symmetry genes: If they exist, how would we know?

Trends in plant science·2026
Same journal

From xylem atlases to developmental continuity in forestry.

Trends in plant science·2026
Same journal

Small peptides guard the gate of plant immunity.

Trends in plant science·2026
See all related articles

Phloem sieve elements have unique defenses against damage. Recent studies reveal their symplasmic importance and macromolecule exchange with companion cells, crucial for plant communication and survival.

Area of Science:

  • Plant Biology
  • Cell Biology
  • Physiology

Background:

  • Phloem sieve elements exhibit unique defense mechanisms against mechanical stress.
  • Recent non-invasive techniques allow real-time observation of sieve tube dynamics.
  • The symplasmic nature of sieve elements is critical for their development and function.

Purpose of the Study:

  • To investigate the importance of the symplasmic pathway in sieve element development and function.
  • To explore the role of macromolecule exchange between companion cells and sieve elements.
  • To understand the function of branched plasmodesmata in macromolecule transport.

Main Methods:

  • Non-invasive real-time observation of intact sieve tubes.
  • Analysis of sieve-pore sealing and protein conformational changes.

Related Experiment Videos

  • Studies on symplasmic transport and macromolecule exchange.

    • Main Results:

    • Sieve elements possess natural defense responses to mechanical stimuli.
    • Mass transport, sieve-pore sealing, and protein dynamics were observed in real-time.
    • Macromolecule exchange between companion cells and sieve elements is vital for sieve element survival and long-distance signaling.

    Conclusions:

    • The symplasmic pathway is essential for sieve element viability and function.
    • Intercellular communication via macromolecule exchange is critical.
    • The precise mechanism of macromolecule passage through branched plasmodesmata remains an area for further research.