Plant Water Transport
Plant Water Transport - Related Videos
08:48
Peptide-derived Method to Transport Genes and Proteins Across Cellular and Organellar Barriers in Plants
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Cited by 15 •
2016
Existing methods for the modification of plants have limited applicability. The novel peptide-derived technology proposed here promises both simplicity and efficiency in the introduction of exogenous protein or genes into the desired intracellular compartments of intact plants.
14:20
Measuring the Osmotic Water Permeability Coefficient (Pf) of Spherical Cells: Isolated Plant Protoplasts as an Example
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Cited by 20 •
2014
Measuring the osmotic water permeability coefficient (Pf) of cells can help understand the regulatory mechanisms of aquaporins (AQPs). Pf determination in spherical plant cell protoplasts presented here involves protoplasts isolation and numerical analysis of their initial rate of volume change as a result of an osmotic challenge during constant bath perfusion.
01:56
Plant Hormones
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2020
Plant hormones—or phytohormones—are chemical molecules that modulate one or more physiological processes of a plant. In animals, hormones are often produced in specific glands and circulated via the circulatory system. However, plants lack hormone-producing glands. Instead, plant hormones are often produced in regions of active growth, like the tips of roots and shoots. Additionally, even very low concentrations of plant hormones can have a profound effect on growth and development processes.
13:16
A Whole Cell Bioreporter Approach to Assess Transport and Bioavailability of Organic Contaminants in Water Unsaturated Systems
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Cited by 5 •
2014
A whole cell bioreporter assay with Burkholderia sartisoli RP037-mChe was developed to detect fractions of an organic contaminant (i.e., fluorene) available for bacterial degradation after active transport by mycelia bridging air-filled pores in a water unsaturated model system.
10:22
Transmitting Plant Viruses Using Whiteflies
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Cited by 41 •
2013
Improving our understanding of and our ability to manage many of the insect-transmitted plant viruses requires the use of the vector. Insect transmission of plant viruses is a tritrophic interaction, and as such requires the manipulation of insects, virus, and plant. Vectors must be reared in large numbers and manipulated in such a way as to insure high rates of transmission to test plants. The basics of rearing and manipulating the whitefly, Bemisa tabaci (Hemiptera: Aleyrodidae), a vector of...
FAQs
Evaporation from leaf surfaces lowers water availability within the leaves and generates a transpiration pull through the xylem. Cohesion, the attraction between water molecules, helps preserve a continuous water column, while adhesion between water and xylem walls supports movement along the vascular tissue. Together, these properties help connect leaf water loss with upward transport from the roots.
Osmosis drives water into root cells, providing the initial entry point for the transport pathway. Once inside the roots, water can move into the xylem and continue toward stems and leaves. This relationship shows that plant water transport depends on linked processes: membrane-level water entry at the roots and longer-distance movement through vascular tissue.
Stomata regulate water loss while also controlling gas exchange at leaf surfaces. Their activity therefore connects water transport with photosynthesis and broader plant physiology. When environmental conditions change, stomatal regulation can alter the balance between conserving water and maintaining the exchanges needed for photosynthetic activity, making stomata an important point of environmental response.
Environmental conditions affect the balance between water uptake, transport, and loss from leaves. Because stomata regulate water loss and transpiration creates the pull that supports upward movement, changes in these conditions can influence the transport process and plant responses. Studying this relationship helps explain how plants respond physiologically to changing environments, including conditions associated with climate change.
The system provides a framework for examining how plants maintain water movement when water availability is limited. Researchers can relate root water entry, xylem transport, transpiration, and stomatal regulation to drought responses. This makes plant water transport relevant to identifying physiological features associated with drought tolerance and to understanding how plants adapt to changing environmental conditions.
Water transport connects soil water availability with the leaves and tissues that support growth and photosynthesis. Its study can therefore inform irrigation practices and research on crop productivity by clarifying how water reaches aboveground organs and how water loss is regulated. The same framework also supports investigations of plant adaptation under changing climate conditions.