Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Regulation of Transpiration by Stomata

Regulation of Transpiration by Stomata

During photosynthesis, plants acquire the necessary carbon dioxide and release the produced oxygen back into the atmosphere. Openings in the epidermis of plant leaves is the site of this exchange of gasses. A single opening is called a stoma—derived from the Greek word for “mouth.” Stomata open and close in response to a variety of environmental cues.

Photoreceptors and Plant Responses to Light

Photoreceptors and Plant Responses to Light

Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.

Biological Clocks and Seasonal Responses

Biological Clocks and Seasonal Responses

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.

Responses to Heat and Cold Stress

Responses to Heat and Cold Stress

Every organism has an optimum temperature range within which healthy growth and physiological functioning can occur. At the ends of this range, there will be a minimum and maximum temperature that interrupt biological processes.

Cell Signaling in Plants

Cell Signaling in Plants

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...

Short-distance Transport of Resources

Short-distance Transport of Resources

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.

You might also read

Related Articles

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

Sort by

Same author

Comprehensive mapping of cognitive and emotion networks in stress, anxiety, and depression implicates the precuneus as a critical hub.

Research square·2025

Same author

Brain dynamics reflecting an intra-network brain state is associated with increased posttraumatic stress symptoms in the early aftermath of trauma.

Research square·2024

Same author

Stomatal patchiness and cellular computing.

Proceedings of the National Academy of Sciences of the United States of America·2023

Same author

This Article Corrects: "Persistent and Widespread Pain Among Blacks Six Weeks after MVC: Emergency Department-based Cohort Study".

The western journal of emergency medicine·2022

Same author

Persistent and Widespread Pain Among African-Americans Six Weeks after MVC: Emergency Department-based Cohort Study.

The western journal of emergency medicine·2021

Same author

Thyroid Storm and Diabetic Ketoacidosis Presenting to the Emergency Department.

Cureus·2020

Search research articles

Related Experiment Video

Updated: Dec 26, 2025

Assessing Stomatal Response to Live Bacterial Cells using Whole Leaf Imaging

Assessing Stomatal Response to Live Bacterial Cells using Whole Leaf Imaging

Published on: October 2, 2010

Blue and red light effects on stomatal oscillations.

Trevor Ballard¹, David Peak², Keith Mott¹

¹Department of Biology, Utah State University, 5305 Old Main Hill, Logan UT, 84322, USA.

Functional Plant Biology : FPB

|March 17, 2020

Summary

Blue light directly impacts stomata (pores on plant leaves) by stopping oscillations, while red light causes continuous oscillations. This suggests blue light has dual effects on guard cells and surrounding leaf tissues.

More Related Videos

Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana

Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana

Published on: July 14, 2021

Author Spotlight: Unraveling Plant Responses to Abiotic Stresses Using the PlantScreen Robotic Platform

Author Spotlight: Unraveling Plant Responses to Abiotic Stresses Using the PlantScreen Robotic Platform

Published on: June 7, 2024

Related Experiment Videos

Last Updated: Dec 26, 2025

Assessing Stomatal Response to Live Bacterial Cells using Whole Leaf Imaging

Assessing Stomatal Response to Live Bacterial Cells using Whole Leaf Imaging

Published on: October 2, 2010

Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana

Using Changes in Leaf Transmission to Investigate Chloroplast Movement in Arabidopsis thaliana

Published on: July 14, 2021

Author Spotlight: Unraveling Plant Responses to Abiotic Stresses Using the PlantScreen Robotic Platform

Author Spotlight: Unraveling Plant Responses to Abiotic Stresses Using the PlantScreen Robotic Platform

Published on: June 7, 2024

Area of Science:

Plant physiology
Photobiology
Plant cell signaling

Background:

Stomatal regulation is crucial for plant survival, controlling gas exchange and water balance.
Light quality significantly influences stomatal opening and closing mechanisms.
Previous research indicates light affects stomatal movement, but precise mechanisms remain under investigation.

Purpose of the Study:

To investigate the specific roles of red and blue light in regulating stomatal oscillations.
To differentiate between direct and indirect light effects on guard cells.
To elucidate the signaling pathways involved in light-mediated stomatal responses.

Main Methods:

Utilized micro-scale fiber optics to precisely control light intensity and wavelength on individual guard cell pairs.
Applied controlled low-intensity red and blue light (50 µmol m⁻² s⁻¹) to single guard cells and whole leaf areas.
Monitored stomatal oscillations in real-time under varying light conditions.

Main Results:

Low-intensity red light induced continuous stomatal oscillations.
Low-intensity blue light inhibited these oscillations, with effects observed both directly on guard cells and indirectly on surrounding leaf tissues.
Red light modulated oscillation amplitude but did not abolish them.
Blue light applied to non-stomatal leaf areas also affected nearby stomatal oscillations.

Conclusions:

Blue light exerts a dual regulatory role on stomata, acting directly on guard cells and indirectly through other leaf cells.
Red light primarily influences the amplitude and duration of stomatal oscillations.
These findings provide new insights into the complex photobiology of stomatal function and signaling.