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Related Concept Videos

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 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.

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.

Tonicity in Plants

Tonicity in Plants

Plant cells maintain appropriate osmotic balance in extreme conditions. For instance, plants in dry environments store water in vacuoles, limit the opening of their stoma, and have thick, waxy cuticles to prevent unnecessary water loss. Some species of plants that live in salty environments store salt in their roots. As a result, water osmosis occurs in the root from the surrounding soil.
Tonicity
Tonicity describes the capacity of a cell to lose or gain water depending on the solute...

Tonicity in Plants

Tonicity in Plants

Tonicity describes the capacity of a cell to lose or gain water. It depends on the quantity of solute that does not penetrate the membrane. Tonicity delimits the magnitude and direction of osmosis and results in three possible scenarios that alter the volume of a cell: hypertonicity, hypotonicity, and isotonicity. Due to differences in structure and physiology, tonicity of plant cells is different from that of animal cells in some scenarios.

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.

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Related Experiment Video

Updated: Feb 28, 2026

Production of Arbuscular Mycorrhizal (AM) Fungal Inoculum and Phenotypic Evaluation of Rice and AM Symbiosis Under Saline Conditions

Production of Arbuscular Mycorrhizal (AM) Fungal Inoculum and Phenotypic Evaluation of Rice and AM Symbiosis Under Saline Conditions

Published on: March 14, 2025

Salt tolerance in soybean.

Tsui-Hung Phang¹, Guihua Shao, Hon-Ming Lam

¹Department of Biology, Chinese University of Hong Kong, Shatin, Hong Kong, China.

Journal of Integrative Plant Biology

|November 20, 2008

Summary

This summary is machine-generated.

Soybean plants possess molecular mechanisms to combat salt stress, impacting crop yield. This review integrates research to model soybean

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Area of Science:

Plant science
Molecular biology
Agronomy

Background:

Soybean (Glycine max) is a vital crop, but salt stress severely reduces its productivity.
High salinity negatively affects soybean growth, nodulation, agronomic traits, and seed yield.
Soybean has evolved multiple tolerance mechanisms, including ion homeostasis, osmotic adjustment, and metabolic adaptations.

Purpose of the Study:

To review and integrate current knowledge on soybean salt stress responses.
To propose a working model of soybean's molecular-level salt stress response.

Main Methods:

Literature review and synthesis of existing research on soybean and model plant stress responses.
Identification of homologous salt stress response components in soybean.
Development of a conceptual model based on integrated data.

Main Results:

Soybean employs ion homeostasis, osmotic adjustment, and metabolic adaptations to tolerate salt stress.
Homologous genes and pathways involved in salt stress response are present in soybean, similar to model plants.
A molecular-level model for soybean salt stress response is proposed.

Conclusions:

Understanding soybean's molecular salt tolerance mechanisms is crucial for improving crop resilience.
The proposed model provides a framework for further research into soybean's adaptation to saline environments.
Further investigation into these mechanisms can aid in developing salt-tolerant soybean varieties.