Ethylene Response
Ethylene Response - Related Videos
04:20
Investigating the Bacterial Response to Ethylene Using an Ethylene-Releasing Compound
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2025
Source: Augimeri, R. V. et. al., Utilizing the Ethylene-releasing Compound, 2-Chloroethylphosphonic Acid, as a Tool to Study Ethylene Response in Bacteria. J. Vis. Exp. (2016)This video demonstrates the effect of ethylene generated by 2-chloroethylphosphonic acid (CEPA) on bacterial growth and cellulose production. Ethylene activates signaling pathways that stimulate cellulose synthesis, resulting in enhanced pellicle formation. These results highlight the bacterial response to ethylene.
08:51
Utilizing the Ethylene-releasing Compound, 2-Chloroethylphosphonic Acid, as a Tool to Study Ethylene Response in Bacteria
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Cited by 1 •
2016
The protocols outlined herein facilitate the convenient investigation of bacterial ethylene responses by utilizing 2-chloroethylphosphonic acid (CEPA). Ethylene is produced in situ through the decomposition of CEPA in an aqueous bacterial growth medium, circumventing the requirement for pure ethylene gas.
08:56
Catalytic Reactor: Hydrogenation of Ethylene
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2023
Source: Kerry M. Dooley and Michael G. Benton, Department of Chemical Engineering, Louisiana State University, Baton Rouge, LA The hydrogenation of ethylene (C2H4) to ethane (C2H6) has often been studied as a model reduction reaction in characterizing new metal catalysts.1-2 While supported nickel is not the most active metal catalyst for this reaction, it is active enough that reaction can take place at < 200°C. The reaction typically involves adsorbed, dissociated hydrogen (H2) reacting...
07:28
Ethylene Polymerizations Using Parallel Pressure Reactors and a Kinetic Analysis of Chain Transfer Polymerization
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2015
A protocol for the high-throughput analysis of polymerization catalyst, chain transfer polymerizations, polyethylene characterization, and reaction kinetic analysis is presented.
02:41
Responses to Drought and Flooding
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2020
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...
FAQs
The endoplasmic reticulum houses the receptors that first perceive ethylene, placing hormone detection at the starting point of the signaling pathway. Ethylene binding suppresses CTR1 kinase activity, which allows downstream EIN2 signaling to proceed. This receptor-to-kinase switch connects hormone perception with the transcriptional changes that produce developmental and stress-related effects.
After CTR1 activity is suppressed, EIN2 signaling promotes stabilization of EIN3 and related transcription factors. These factors activate response genes, linking an initial hormone signal to coordinated changes in plant cells. Because gene activation occurs downstream of perception, the pathway can influence several processes, including ripening, seedling growth, senescence, and abscission.
Ethylene signaling regulates a broad group of response genes rather than a single developmental outcome. The resulting changes can therefore appear as fruit ripening, altered seedling growth, leaf senescence, organ abscission, or stress adaptation. This range shows that the pathway functions as a regulatory system whose effects depend on the biological process being examined.
Research on ethylene response can identify how the signaling pathway contributes to fruit ripening and then connect that knowledge with commercially important traits. Such work supports efforts to manage ripening timing and storage life. The broader goal is to use pathway understanding to improve handling and preservation while retaining desired developmental characteristics.
Researchers can examine several visible or physiological outcomes, including fruit ripening, seedling growth, leaf senescence, and abscission. Considering multiple outcomes helps connect signaling activity with distinct stages of plant development rather than treating the response as a single trait. These measures also provide context for comparing developmental regulation across plant systems.
Ethylene response contributes to adaptation during stresses such as flooding or mechanical disturbance. Studying these responses helps relate hormone signaling to plant resilience under changing conditions. This context is important in biology and agriculture because understanding stress-associated regulation may support the development of crops with improved resilience and other commercially valuable traits.