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Related Concept Videos

Thermosensation01:43

Thermosensation

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Peripheral thermosensation is the perception of external temperature. A change in temperature (on the surface of the skin and other tissues) is detected by a family of temperature-sensitive ion channels called Transient Receptor Potential, or TRP, receptors. These receptors are located on free nerve endings. Those detecting cold temperatures are closer to the surface of the skin than the nerve endings detecting warmth. These thermoTRP channels, while temperature selective, have relatively...
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The spontaneity of a process depends upon the temperature of the system. Phase transitions, for example, will proceed spontaneously in one direction or the other depending upon the temperature of the substance in question. Likewise, some chemical reactions can also exhibit temperature-dependent spontaneities. To illustrate this concept, the equation relating free energy change to the enthalpy and entropy changes for the process is considered:
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Atomic Spectroscopy: Effects of Temperature01:27

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Atomization, converting samples into gas-phase atoms and ions, is essential for atomic spectroscopy. The flame temperature required for atomization affects the efficiency of the atomic spectroscopic methods by increasing the atomization efficiency and the relative population of the excited and ground states.
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Responses to Heat and Cold Stress02:45

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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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The Arrhenius equation,
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Le Chatelier's Principle: Changing Temperature02:19

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Consistent with the law of mass action, an equilibrium stressed by a change in concentration will shift to re-establish equilibrium without any change in the value of the equilibrium constant, K. When an equilibrium shifts in response to a temperature change, however, it is re-established with a different relative composition that exhibits a different value for the equilibrium constant.
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High-resolution Thermal Micro-imaging Using Europium Chelate Luminescent Coatings
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Interaction of light and temperature signalling.

Keara A Franklin1, Gabriela Toledo-Ortiz2, Douglas E Pyott2

  • 1School of Biological Sciences, University of Bristol, Bristol BS8 1UG, UK.

Journal of Experimental Botany
|February 27, 2014
PubMed
Summary

Plants use light and temperature signals for growth. This review explores how these signals integrate, revealing evolutionary advantages of interconnected plant development pathways.

Keywords:
Circadian clockHY5cold acclimationfloweringlightphotoreceptorsphytochromephytochrome-interacting factorssignallingtemperature.

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Area of Science:

  • Plant Physiology
  • Environmental Signaling
  • Plant Development

Background:

  • Light and temperature are critical environmental cues influencing plant growth and development.
  • Previous research largely examined light and temperature signals independently.
  • Understanding the integration of light and temperature is crucial for comprehending plant responses.

Purpose of the Study:

  • To review the diverse mechanisms by which plants integrate light and temperature signals.
  • To explore the evolutionary benefits of interconnected light and temperature signaling pathways.

Main Methods:

  • Literature review of existing research on light and temperature signaling in plants.
  • Analysis of mechanisms underlying signal integration.
  • Discussion of evolutionary perspectives on integrated signaling systems.

Main Results:

  • Plants possess complex systems for integrating light and temperature cues.
  • These integrated pathways allow for precise spatial and temporal regulation of plant development.
  • Interconnected signaling offers potential evolutionary advantages over separate pathways.

Conclusions:

  • The integration of light and temperature signals is fundamental to plant adaptation and survival.
  • Studying these interactions provides deeper insights into plant biology and evolutionary strategies.