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Cell Signaling in Plants

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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mRNA Interactome Capture from Plant Protoplasts
12:29

mRNA Interactome Capture from Plant Protoplasts

Published on: July 28, 2017

Dual RNAs in plants.

Florian Bardou1, Francisco Merchan, Federico Ariel

  • 1Institut des Sciences du Végétal, Centre National de la Recherche Scientifique, 91198 Gif sur Yvette, France.

Biochimie
|August 10, 2011
PubMed
Summary

Plants utilize non-protein-coding RNAs (npcRNAs) and short open reading frame genes for gene regulation. These dual RNAs can encode peptides or have RNA-based functions, influencing plant development and stress responses.

Area of Science:

  • Plant molecular biology
  • Gene regulation
  • RNA biology

Background:

  • Plant development exhibits plasticity, influenced by environmental factors like abiotic stress and biotic interactions.
  • Non-protein-coding RNAs (npcRNAs) and short open reading frame genes play crucial roles in regulating gene expression during plant growth.
  • Some npcRNAs function as dual RNAs, possessing both RNA-based activities and encoding peptides.

Purpose of the Study:

  • To explore the diverse roles of npcRNAs and short open reading frame genes in plant gene regulation.
  • To highlight the concept of dual RNAs in plants, which can encode peptides and/or exert RNA-mediated regulatory functions.
  • To discuss the implications of these findings for understanding plant development and stress responses.

Main Methods:

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  • Literature review and synthesis of existing research on plant non-coding RNAs.
  • Analysis of known examples like the ENOD40 gene and natural antisense RNAs.
  • Consideration of deep sequencing technologies in identifying novel npcRNAs.

Main Results:

  • npcRNAs and short open reading frame genes are key regulators of plant gene expression.
  • Dual RNAs, exemplified by ENOD40, exhibit multifaceted functions through encoded peptides and RNA structures.
  • Natural antisense RNAs can generate nat-siRNAs, mediating mRNA silencing in response to stress.

Conclusions:

  • Plants employ a sophisticated regulatory network involving diverse non-coding RNAs.
  • The discovery of dual RNAs expands our understanding of gene regulation mechanisms in plants.
  • Deep sequencing technologies are crucial for uncovering the full repertoire of plant npcRNAs and their functions.