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Molecular prospective on the wheat grain development.

Yiling Wang1, Genlou Sun2

  • 1College of Life Science, Shanxi Normal University, Taiyuan, China.

Critical Reviews in Biotechnology
|December 30, 2021
PubMed
Summary
This summary is machine-generated.

Understanding wheat grain development is key to improving crop yield and quality. Molecular mechanisms, including genomics and epigenetics, are complex in allohexaploid wheat and require further research.

Keywords:
Triticum aestivumepigeneticsgenomicsgrain developmentmolecular mechanismwheat

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Area of Science:

  • Plant Biology
  • Genetics
  • Molecular Biology

Background:

  • Wheat grain development is crucial for yield and quality, influenced by genetic, epigenetic, and environmental factors.
  • While extensively studied at phenotypic and genetic levels, molecular mechanisms in allohexaploid wheat remain less understood than in diploids due to its large genome size.
  • Advances in molecular technologies have improved understanding but highlighted gaps in knowledge regarding complex regulatory networks.

Purpose of the Study:

  • To review current discoveries on molecular mechanisms underlying wheat grain development.
  • To identify knowledge gaps in understanding the interplay of genes, epigenetics, and subgenome divergence in wheat grain development.
  • To emphasize the importance of this understanding for improving wheat yield and quality through breeding and genetic engineering.

Main Methods:

  • Literature review of current research on wheat grain development.
  • Analysis of genetic, epigenetic, and molecular factors influencing grain development.
  • Synthesis of findings to identify areas requiring further investigation.

Main Results:

  • Only a limited number of genes controlling wheat grain development have been well characterized to date.
  • The intricate interplay and synergistic network of genomics and epigenetics governing grain development are not fully elucidated.
  • The precise regulatory roles of subgenome divergence in wheat grain development remain largely unknown.

Conclusions:

  • Further research is essential to unravel the complex molecular mechanisms of wheat grain development.
  • Understanding these mechanisms is fundamental for enhancing wheat grain yield and quality.
  • Integrated genomics and epigenetics approaches are needed to decipher the regulatory networks and subgenome interactions.