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Fabricating Metamaterials Using the Fiber Drawing Method
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Drawing a Line: Grasses and Boundaries.

Annis E Richardson1, Sarah Hake2,3

  • 1Plant and Microbial Biology, University of California, Berkeley, CA 94720, USA. annisrichardson@berkeley.edu.

Plants (Basel, Switzerland)
|December 27, 2018
PubMed
Summary
This summary is machine-generated.

Understanding plant development, this study reviews the grass boundary gene regulatory network (GRN). It highlights the ligule

Keywords:
boundariesgrassliguleorganogenesis

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Area of Science:

  • Plant Biology
  • Developmental Biology
  • Genetics

Background:

  • Cellular boundaries are crucial for plant organ development and maintaining stem cell populations.
  • The boundary gene regulatory network (GRN) is well-studied in eudicots like Arabidopsis thaliana, revealing complex hormone and gene interactions.
  • Knowledge of boundary GRNs in monocots, especially grasses, is limited, hindering understanding of their unique developmental processes.

Purpose of the Study:

  • To review the current understanding of the grass boundary GRN during vegetative development.
  • To focus on the ligule, a grass-specific boundary influencing leaf architecture.
  • To explore the potential of genome engineering and natural diversity for improving agronomic traits related to plant architecture.

Main Methods:

  • Literature review of existing research on plant boundary GRNs.
  • Comparative analysis of GRN conservation and divergence across plant species.
  • Discussion of potential applications of genetic and breeding strategies.

Main Results:

  • Identified conserved and species-specific elements within eudicot boundary GRNs.
  • Highlighted the ligule as a key grass-specific developmental boundary.
  • Emphasized the need for further research into monocot boundary GRNs.

Conclusions:

  • Boundary GRNs play a vital role in plant development, with conserved and unique features across species.
  • Understanding the grass boundary GRN, particularly the ligule, is essential for improving leaf architecture in crops.
  • Future research and genetic advancements hold promise for enhancing important agronomic traits in grasses.