Plant Signaling
Plant Signaling - Related Videos
01:25
Cell Signaling in Plants
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2023
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...
10:28
Herbivore-induced Blueberry Volatiles and Intra-plant Signaling
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Cited by 3 •
2011
A push-pull method for collecting plant volatiles is described. The method allows for a comparison of volatiles induced by herbivore feeding, exogenous methyl jasmonate, and mechanical damage. This technique is also used to investigate the volatile response of undamaged branches to exposure to volatiles from herbivore-damaged branches within blueberry plants.
11:16
A Hydroponic Co-cultivation System for Simultaneous and Systematic Analysis of Plant/Microbe Molecular Interactions and Signaling
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Cited by 6 •
2017
The described hydroponic cocultivation system supports intact plants with metal mesh screens and cocultivates them with bacteria. Plant tissue, bacteria, and secreted molecules can then be separately harvested for downstream analyses, simultaneously allowing for the molecular responses of both plant hosts and interacting microbes or microbiomes to be investigated.
10:12
Measuring Spatial and Temporal Ca2+ Signals in Arabidopsis Plants
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Cited by 9 •
2014
Ca2+ signaling regulates diverse biological processes in plants. Here we present approaches for monitoring abiotic stress induced spatial and temporal Ca2+ signals in Arabidopsis cells and tissues using the genetically encoded Ca2+ indicators Aequorin or Case12.
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
A cue such as light, limited water, temperature change, pathogens, or mechanical stress is detected by a receptor. Detection can then activate hormone pathways, ion movements, protein interactions, or changes in gene expression. These linked events translate an external condition into a specific biological adjustment, such as altered root growth, stomatal behavior, flowering, or defense.
Signals may remain near the site where a cue is detected or move between tissues. Local signaling can produce a targeted response, while movement allows information from one region to influence another. This distinction helps explain how plants coordinate processes such as root responses, stomatal regulation, flowering, and defense across different parts of the organism.
Chemical signals can act through hormones, electrical signals can involve ion movements, and physical signals can reflect conditions such as mechanical stress. These forms are not isolated: receptor activity may connect them with protein interactions and gene-expression changes. Examining their relationships clarifies how plants integrate several types of information during environmental responses.
A signaling study can begin by identifying the environmental cue and the receptor that detects it. Researchers can then follow associated hormone pathways, ion movements, protein interactions, and gene-expression changes before assessing the resulting response. Comparing these stages with outcomes such as root growth, flowering, stomatal behavior, or defense helps connect detection to biological function.
Plant signaling research supports crop improvement and the study of stress tolerance by showing how plants respond to changing conditions. It also contributes to developmental biology, where signaling is examined through processes such as root growth and flowering, and to sustainable agriculture, where knowledge of plant responses can inform approaches to environmental stress.
Plants coordinate responses through receptors, hormone pathways, ion movements, protein interactions, and gene-expression changes rather than through a nervous system. Signals can act locally or travel between tissues, linking environmental detection with changes in growth, development, stomatal behavior, and defense. This provides a biological framework for understanding plant adaptation to changing surroundings.