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Multifaceted plant G protein: interaction network, agronomic potential, and beyond.

Yijun Wang1,2, Yali Wang3,4, Dexiang Deng3,4

  • 1Jiangsu Key Laboratory of Crop Genetics and Physiology/Key Laboratory of Plant Functional Genomics of the Ministry of Education/Jiangsu Key Laboratory of Crop Genomics and Molecular Breeding, Agricultural College of Yangzhou University, Yangzhou, 225009, China. wyj@yzu.edu.cn.

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|February 22, 2019
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Summary

Plant G protein research is advancing, revealing its role in crucial biological events. Manipulating G protein and its effectors offers a pathway to developing improved crop varieties through intelligent plant breeding.

Keywords:
Agronomic potentialFunctional characterizationG proteinIntelligent plant breedingInteraction network

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Area of Science:

  • Plant Biology
  • Molecular Genetics
  • Agronomy

Background:

  • Heterotrimeric guanine nucleotide-binding protein (G protein) plays a vital role in diverse biological processes within plants.
  • Many of these G protein-mediated events have significant implications for agriculture and crop improvement.

Purpose of the Study:

  • To review recent advancements in plant G protein research.
  • To identify and analyze G protein core subunits in maize.
  • To explore G protein interactions and their application in intelligent plant breeding.

Main Methods:

  • Utilized integrated BLAST and domain confirmation to identify maize G protein subunits (Gα, Gβ, Gγ) based on Arabidopsis and rice data.
  • Reviewed existing literature on G protein distribution, function, and interactions.
  • Discussed the potential of G protein knowledge for enhancing agronomically important traits.

Main Results:

  • Identified maize G protein core subunits Gα, Gβ, and Gγ.
  • Described G protein interactions with key signaling components like CLAVATA receptors, brassinosteroid signaling kinase complex, and MADS-domain transcription factors.
  • Highlighted the relevance of G protein and effector manipulation for plant development.

Conclusions:

  • Heterotrimeric G protein and its effectors are critical for agronomic traits.
  • Targeted manipulation of G protein pathways can facilitate the development of improved plant ideotypes via intelligent design breeding.