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

Responses to Drought and Flooding

Responses to Drought and Flooding

Water plays a significant role in the life cycle of plants. However, insufficient or excess of water can be detrimental and pose a serious threat to plants.

Responses to Salt Stress

Responses to Salt Stress

Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.

Adaptations that Reduce Water Loss

Adaptations that Reduce Water Loss

Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.

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.

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.

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...

You might also read

Related Articles

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

Sort by

Same author

The cytokinin histidine kinase receptors regulate nodulation, shoot and root development in <i>Pisum sativum</i>.

Frontiers in plant science·2026

Same author

Fate of PFAS Through a Biosolids Drum Dryer With Regenerative Thermal Oxidizer Emissions Control.

Water environment research : a research publication of the Water Environment Federation·2025

Same author

Increasing Length of the <i>Babesia</i> Season in New England in the Climate Change Era.

Open forum infectious diseases·2025

Same author

Beyond the identification of Mendel's genes.

Nature plants·2025

Same author

New links between auxin and starch.

Nature communications·2025

Same author

Fate of biosolids-bound PFAS through pyrolysis coupled with thermal oxidation for air emissions control.

Water environment research : a research publication of the Water Environment Federation·2024

Search research articles

Related Experiment Video

Updated: Jul 7, 2026

Monitoring Plant Hormones During Stress Responses

Monitoring Plant Hormones During Stress Responses

Published on: June 15, 2009

Do brassinosteroids mediate the water stress response?

Corinne E Jager¹, Gregory M Symons, John J Ross

¹School of Plant Science, University of Tasmania, Hobart, Tasmania 7001, Australia.

Physiologia Plantarum

|February 20, 2008

Summary

This summary is machine-generated.

Brassinosteroids (BRs) do not appear to be involved in pea plants' response to water stress. Studies show that endogenous BR levels do not change under drought, and BR mutants perform similarly to wild-type plants.

Related Experiment Videos

Last Updated: Jul 7, 2026

Monitoring Plant Hormones During Stress Responses

Monitoring Plant Hormones During Stress Responses

Published on: June 15, 2009

Area of Science:

Plant Biology
Plant Physiology
Stress Physiology

Background:

Brassinosteroids (BRs) are plant hormones with known roles in growth and development.
Exogenous application of BRs suggests a role in enhancing plant resistance to various stresses, including water stress.
The involvement of endogenous BR levels in mediating plant stress responses remains unclear.

Purpose of the Study:

To investigate if changes in endogenous brassinosteroid (BR) levels are part of the normal plant response to water stress in pea (Pisum sativum L.).
To determine if low endogenous BR levels affect a plant's ability to cope with water stress.

Main Methods:

Utilized brassinosteroid (BR) mutants (lkb and lka) and wild-type (WT) pea plants.
Applied water stress by withholding water and monitored physiological parameters.
Measured endogenous abscisic acid (ABA) levels and assessed traits like height, leaf size, and water potential.

Main Results:

Water stress significantly increased ABA levels in WT plants but did not alter endogenous BR levels in various tissues.
BR deficiency or perception mutants (lkb, lka) showed no difference in ABA levels compared to WT under water stress.
Water stress affected plant height, leaf size, and water potential similarly in WT and BR mutant lines.

Conclusions:

Changes in endogenous brassinosteroid (BR) levels are not typically involved in mediating the pea plant's response to water stress.
BR deficiency does not impair the plant's ability to accumulate ABA or cope with water deficit.
The findings suggest that BRs may not play a significant endogenous role in water stress adaptation in pea plants.