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Related Concept Videos

Key Elements for Plant Nutrition02:35

Key Elements for Plant Nutrition

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Like all living organisms, plants require organic and inorganic nutrients to survive, reproduce, grow and maintain homeostasis. To identify nutrients that are essential for plant functioning, researchers have leveraged a technique called hydroponics. In hydroponic culture systems, plants are grown—without soil—in water-based solutions containing nutrients. At least 17 nutrients have been identified as essential elements required by plants. Plants acquire these elements from the...
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Related Experiment Video

Updated: Jan 18, 2026

Geomagnetic Field Gmf and Plant Evolution: Investigating the Effects of Gmf Reversal on Arabidopsis thaliana Development and Gene Expression
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Static Magnetic Field Promotes Wheat Nitrogen Assimilation by Repressing Jasmonates Biosynthesis Through TaHY5.

Zhuo Li1, Jie Gao1, Wangyang Mu1

  • 1College of Agronomy, Key Laboratory of High-Efficiency Production of Wheat-Maize Double Cropping, Henan Agricultural University, Zhengzhou, China.

Plant Biotechnology Journal
|September 9, 2025
PubMed
Summary

Static magnetic field (SMF) treatment enhances wheat growth by improving root development and nitrogen uptake. This occurs via a novel magnetic signaling pathway involving light signaling and reduced jasmonate levels.

Keywords:
TaHY5jasmonic acid signallinglight signallingmagnetic fieldsnitrogen assimilationwheat growth

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Area of Science:

  • Plant Biology
  • Environmental Science
  • Agricultural Science

Background:

  • Magnetic fields are environmental factors that plants can sense and utilize.
  • The effects of magnetic fields on crop growth and their practical applications remain underexplored.

Purpose of the Study:

  • To investigate the impact of static magnetic field (SMF) on wheat growth and nutrient uptake.
  • To elucidate the underlying molecular mechanisms of SMF effects on plants.

Main Methods:

  • Wheat seedlings were treated with SMF, and growth parameters (root number, length, biomass) were measured.
  • Gene expression profiling, nitrogen uptake, and jasmonate (JA) content were analyzed.
  • The role of light signaling pathway components, including HY5 and HDA9, was investigated.

Main Results:

  • SMF treatment significantly increased wheat root number, length, and biomass in a strength-dependent manner.
  • SMF enhanced nitrogen (N) uptake and reduced jasmonate (JA) content by downregulating JA biosynthesis genes.
  • The light signaling pathway, mediated by HY5 and HDA9, was identified as crucial for SMF-induced repression of JA biosynthesis.

Conclusions:

  • Static magnetic fields can promote wheat growth and nitrogen use efficiency through a novel magnetic signaling pathway.
  • This pathway involves light signaling and the repression of jasmonate biosynthesis.
  • SMF presents a promising avenue for sustainable agricultural practices in crops.