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

Biological Clocks and Seasonal Responses02:45

Biological Clocks and Seasonal Responses

40.8K
The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological activities over 24-hour cycles called circadian rhythms. Photoperiodism is a collective term for the biological responses of plants to variations in the relative lengths of dark and light periods. The period of light-exposure is called the photoperiod.
40.8K
Cell Signaling in Plants01:25

Cell Signaling in Plants

6.0K
Plant cells communicate to coordinate their cycle of growth, flowering and fruiting, and activities in roots, shoots, and leaves in response to the changing environmental conditions. Plant signaling is distinct from animal signaling. Plants primarily utilize enzyme-linked receptors, whereas the largest class of cell-surface receptors in animals are G-protein coupled receptors (GPCRs). Unlike animals, receptor tyrosine kinases are rare in plants. Instead, plants have a diverse class of...
6.0K
Plasmodesmata01:20

Plasmodesmata

3.5K
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.
Intercellular junctions are a feature of fungal, plant, and animal cells. However, different types of junctions are found in different kinds of cells. Intercellular junctions found in animal cells include tight junctions, gap junctions, and...
3.5K
Plasmodesmata02:32

Plasmodesmata

34.3K
The organs in a multicellular organism’s body are made up of tissues formed by cells. To work together cohesively, cells must communicate. One way that cells communicate is through direct contact with other cells. The points of contact that connect adjacent cells are called intercellular junctions.
34.3K
Circadian Rhythms and Gene Regulation02:19

Circadian Rhythms and Gene Regulation

4.3K
The biological clock is involved in many aspects of regulating complex physiology in all animals. It was in 1935 when German zoologists, Hans Kalmus and Erwin Bünning, discovered the existence of circadian rhythm in Drosophila melanogaster. However, the internal molecular mechanisms behind the circadian clock remained a mystery until 1984, when Jeffrey C. Hall, Michael Rosbash, and Michael W. Young discovered the expression of the Per gene oscillating over a 24-hour cycle. In subsequent...
4.3K
Cell Adhesion in Plants01:14

Cell Adhesion in Plants

3.0K
Plants have rigid cell walls that are made up of cell wall polysaccharides that mediate cell-cell adhesion. The primary cell walls of plants consist of two independent and interacting polysaccharide networks: a pectin matrix that embeds the second network comprising cellulose and hemicelluloses.
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose,...
3.0K

You might also read

Related Articles

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

Sort by
Same author

Development of male-sterile lines of Setaria viridis to accelerate C<sub>4</sub> model plant genetics.

The Plant journal : for cell and molecular biology·2026
Same author

Loss of PIF7 Attenuates Shade and Elevated Temperature Responses Throughout the Lifecycle in Pennycress.

Plant, cell & environment·2026
Same author

Remote Sensing of Endogenous Pigmentation by Inducible Synthetic Circuits in Grasses.

Plant biotechnology journal·2025
Same author

ExPOSE: a comprehensive toolkit to perform expansion microscopy in plant protoplast systems.

The Plant journal : for cell and molecular biology·2025
Same author

Modification of Non-photochemical Quenching Pathways in the C<sub>4</sub> Model Plant <i>Setaria viridis</i> Revealed Shared and Unique Photoprotection Mechanisms as Compared to C<sub>3</sub> Plants.

bioRxiv : the preprint server for biology·2025
Same author

Manipulation of photosensory and circadian signaling restricts phenotypic plasticity in response to changing environmental conditions in Arabidopsis.

Molecular plant·2024

Related Experiment Video

Updated: Nov 20, 2025

Rapid Analysis of Circadian Phenotypes in Arabidopsis Protoplasts Transfected with a Luminescent Clock Reporter
07:42

Rapid Analysis of Circadian Phenotypes in Arabidopsis Protoplasts Transfected with a Luminescent Clock Reporter

Published on: September 17, 2016

13.1K

Time Will Tell: Intercellular Communication in the Plant Clock.

Maria L Sorkin1, Dmitri A Nusinow2

  • 1Donald Danforth Plant Science Center, St. Louis, MO, USA; Division of Biology and Biomedical Sciences, Washington University in St. Louis, St. Louis, MO, USA.

Trends in Plant Science
|January 20, 2021
PubMed
Summary

Plants use internal clocks to track daily and seasonal changes. New research shows these biological clocks communicate locally and over long distances within the plant, but the exact signals are still being investigated.

Keywords:
circadian rhythmsgraftingintercellular signalingtissue specifictransport

More Related Videos

Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures
06:53

Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures

Published on: November 11, 2016

8.5K
Monitoring Cell-autonomous Circadian Clock Rhythms of Gene Expression Using Luciferase Bioluminescence Reporters
10:38

Monitoring Cell-autonomous Circadian Clock Rhythms of Gene Expression Using Luciferase Bioluminescence Reporters

Published on: September 27, 2012

22.8K

Related Experiment Videos

Last Updated: Nov 20, 2025

Rapid Analysis of Circadian Phenotypes in Arabidopsis Protoplasts Transfected with a Luminescent Clock Reporter
07:42

Rapid Analysis of Circadian Phenotypes in Arabidopsis Protoplasts Transfected with a Luminescent Clock Reporter

Published on: September 17, 2016

13.1K
Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures
06:53

Parallel Measurement of Circadian Clock Gene Expression and Hormone Secretion in Human Primary Cell Cultures

Published on: November 11, 2016

8.5K
Monitoring Cell-autonomous Circadian Clock Rhythms of Gene Expression Using Luciferase Bioluminescence Reporters
10:38

Monitoring Cell-autonomous Circadian Clock Rhythms of Gene Expression Using Luciferase Bioluminescence Reporters

Published on: September 27, 2012

22.8K

Area of Science:

  • Plant biology
  • Chronobiology
  • Cell signaling

Background:

  • Multicellular organisms synchronize development and responses via signaling.
  • Biological timekeeping (circadian rhythms) helps organisms anticipate environmental changes.
  • Plant clocks are crucial for adapting to daily and seasonal patterns.

Purpose of the Study:

  • To review the function of tissue-specific circadian rhythms.
  • To examine evidence for local and long-distance clock communication in plants.
  • To explore potential signaling molecules and transport mechanisms for clock signals.

Main Methods:

  • Literature review and synthesis of existing research.
  • Analysis of studies on plant circadian rhythms.
  • Evaluation of proposed signaling pathways and transport mechanisms.

Main Results:

  • Circadian rhythms exhibit tissue-specific properties.
  • Evidence supports both local and long-distance communication of circadian signals between plant cells.
  • Several potential signaling molecules and transport mechanisms are proposed but require further validation.

Conclusions:

  • Plant circadian clocks are not isolated but communicate throughout the organism.
  • Understanding these communication systems is key to deciphering plant responses to environmental cues.
  • Further research is needed to identify specific signaling molecules and their translocation pathways.