Micromorphology and silicon of the leaf epidermis in the psammophyte Alyssum desertorum are sensitive to soil flooding
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
View abstract on PubMed
Summary
This summary is machine-generated.This study reveals how flooding impacts the leaf epidermis and silicon content in psammophyte plants. Silicon accumulation in epidermal cells and trichomes shows plant adaptability to changing soil moisture.
Area Of Science
- Plant Biology
- Ecology
- Biochemistry
Background
- Psammophytes like Alyssum desertorum Stapf exhibit unique adaptations to arid environments.
- Silicon plays a crucial role in plant structural integrity and defense mechanisms.
Purpose Of The Study
- Investigate the ultrastructure of A. desertorum leaf epidermis.
- Determine silicon localization and content in epidermal cells.
- Assess the impact of soil flooding on epidermal structure and silicon accumulation.
Main Methods
- Electron microscopy for ultrastructural analysis.
- Laser confocal microscopy for silicon localization and quantification.
- Controlled soil moisture experiments.
Main Results
- Silicon inclusions were found in trichomes and epidermal cells, varying by cell type and leaf surface.
- Soil flooding altered leaf epidermis ultrastructure and epidermal silicon content.
- Trichomes and pavement cells are primary sites for silicon and wax-like structure accumulation.
Conclusions
- Leaf microstructure and silicon content are vital for psammophyte function.
- Changes in silicon accumulation indicate phenotypic plasticity and adaptive responses to water availability.
These videos have been matched automatically. Contact us if they are not relevant.
These videos have been matched automatically. Contact us if they are not relevant.
Related Concept Videos
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.
Under normal conditions, water taken up by the plant evaporates from leaves and other parts in a process called transpiration. In times of drought stress, water that evaporates by transpiration far exceeds the water absorbed from the soil, causing plants to wilt. The general plant response to drought stress is the synthesis of hormone...
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.
In land plants, the uppermost cell layer of a plant leaf, called the epidermis, is coated with a waxy substance called the cuticle. This hydrophobic layer is composed of the polymer cutin and...
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.
Plant cell cytoplasm has a high solute concentration, which causes water to flow from the soil into the plant due to osmosis. However, excess salt in the surrounding soil increases the soil solute concentration, reducing the plant’s ability to take up...
In order to produce glucose, plants need to capture sufficient light energy. Many modern plants have evolved leaves specialized for light acquisition. Leaves can be only millimeters in width or tens of meters wide, depending on the environment. Due to competition for sunlight, evolution has driven the evolution of increasingly larger leaves and taller plants, to avoid shading by their neighbors with contaminant elaboration of root architecture and mechanisms to transport water and nutrients.