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Related Concept Videos

Photoreceptors and Plant Responses to Light02:00

Photoreceptors and Plant Responses to Light

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Light plays a significant role in regulating the growth and development of plants. In addition to providing energy for photosynthesis, light provides other important cues to regulate a range of developmental and physiological responses in plants.
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Cell Signaling in Plants

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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...
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Biological Clocks and Seasonal Responses02:45

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The circadian—or biological—clock is an intrinsic, timekeeping, molecular mechanism that allows plants to coordinate physiological activities over 24-hour cycles called circadian rhythms. Photoperiodism is a collective term for the biological responses of plants to variations in the relative lengths of dark and light periods. The period of light-exposure is called the photoperiod.
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Short-distance transport refers to transport that occurs over a distance of just 2-3 cells, crossing the plasma membrane in the process. Small uncharged molecules, such as oxygen, carbon dioxide, and water, can diffuse across the plasma membrane on their own. In contrast, ions and larger molecules require the assistance of transport proteins due to their charge or size. Transport across membranes also occurs within individual cells, playing a variety of essential roles for the plant as a whole.
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During photosynthesis, plants acquire the necessary carbon dioxide and release the produced oxygen back into the atmosphere. Openings in the epidermis of plant leaves is the site of this exchange of gasses. A single opening is called a stoma—derived from the Greek word for “mouth.” Stomata open and close in response to a variety of environmental cues.
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Overview of Regeneration and Repair01:19

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Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
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Updated: May 28, 2025

Robotic Sensing and Stimuli Provision for Guided Plant Growth
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How does light regulate plant regeneration?

Juan Han1,2, Yapeng Li1, Ye Zhao1

  • 1State Key Laboratory of Tree Genetics and Breeding, Engineering Technology Research Center of Black Locust of National Forestry and Grassland Administration, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.

Frontiers in Plant Science
|February 13, 2025
PubMed
Summary
This summary is machine-generated.

Light significantly impacts plant regeneration, influencing de novo shoot regeneration, somatic embryogenesis, and adventitious root formation. Understanding light

Keywords:
adventitious root regenerationde novo shoot organogenesislightregulatory mechanismsomatic embryogenesis

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Area of Science:

  • Plant Biology
  • Developmental Biology
  • Photobiology

Background:

  • Plants possess remarkable regenerative capabilities due to cellular totipotency and pluripotency.
  • Light is a crucial environmental factor influencing plant growth, development, and regeneration processes.

Purpose of the Study:

  • To summarize recent advancements in understanding light's effects on plant regeneration.
  • To elucidate the fundamental processes and molecular mechanisms underlying light-mediated regeneration.

Main Methods:

  • Review and synthesis of current research on light's influence on plant regeneration.
  • Focus on de novo shoot regeneration, somatic embryogenesis, and adventitious root formation.
  • Analysis of light intensity, spectra, and photoperiod effects.

Main Results:

  • Detailed summary of how light intensity, spectra, and photoperiod affect various plant regeneration pathways.
  • Identification of molecular mechanisms and regulatory networks involved in light-regulated regeneration.

Conclusions:

  • Light plays a critical and multifaceted role in plant regeneration.
  • Further research into light-regulated regenerative processes can advance plant science and biotechnology.