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Mutations are changes in the sequence of DNA. These changes can occur spontaneously or they can be induced by exposure to environmental factors. Mutations can be characterized in a number of different ways: whether and how they alter the amino acid sequence of the protein, whether they occur over a small or large area of DNA, and whether they occur in somatic cells or germline cells.
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Nuclear reprogramming is a process of transforming one cell type into an unrelated cell type by epigenetic changes that alter the cell’s original gene expression pattern. Such epigenetic changes force cells to express a different set of genes, which play a significant role in inducing transformation into other cell types. Nuclear reprogramming offers applications in reproductive cloning for livestock propagation and regenerative medicine — developing patient-specific cells for...
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DNA Distortion and Damage
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mRNA Interactome Capture from Plant Protoplasts
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Developmental reprogramming by UV-B radiation in plants.

Marcela Dotto1, Paula Casati2

  • 1Facultad de Ciencias Agrarias, Universidad Nacional del Litoral, 3080, Esperanza, Santa Fe, Argentina.

Plant Science : an International Journal of Experimental Plant Biology
|October 4, 2017
PubMed
Summary
This summary is machine-generated.

Plants adapt to ultraviolet-B (UV-B) radiation, a sunlight component influencing growth. While plants acclimate, UV-B can cause DNA damage, affecting development, though molecular mechanisms remain unclear.

Keywords:
Molecular mechanismsPlant developmentPlant growthUV-B

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Area of Science:

  • Plant biology and environmental science.
  • Photobiology and developmental biology.

Background:

  • Plants exhibit plasticity, adapting to environmental changes like sunlight.
  • Sunlight, particularly ultraviolet-B (UV-B) radiation, is crucial for photosynthesis and regulates plant development.
  • UV-B influences plant growth, with plants perceived to acclimate without stress, despite potential DNA damage.

Purpose of the Study:

  • To review the influence of UV-B radiation on plant development, including leaves, flowers, and roots.
  • To highlight the current understanding and limitations in knowledge regarding UV-B's developmental effects.

Main Methods:

  • This study is a review of existing research on UV-B radiation and plant development.
  • Analysis of documented research over years focusing on UV-B's impact on plant morphology and growth.

Main Results:

  • UV-B radiation affects leaf, flower, and root development in plants.
  • While plants can acclimate to UV-B, underlying molecular mechanisms for developmental changes are not fully understood.
  • DNA damage is a consequence of UV-B exposure that can elicit developmental changes.

Conclusions:

  • Further research is needed to elucidate the molecular mechanisms by which UV-B influences plant developmental processes.
  • Understanding UV-B's role is critical for predicting plant responses to changing environmental conditions and solar radiation.