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Related Concept Videos

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Nitrogen atoms, present in all proteins and DNA, are recycled between abiotic and biotic components of the ecosystem. However, the primary form of nitrogen on Earth is nitrogen gas, which cannot be used by most animals and plants. Thus, nitrogen gas must first be converted into a usable form by nitrogen-fixing bacteria before it can be cycled through other living organisms. The use of nitrogen-containing fertilizers and animal waste products in human agriculture has greatly influenced the...
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Nitrogen is an essential element in biological systems, forming a crucial component of proteins, nucleic acids, and other cellular constituents. Many bacteria and archaea acquire nitrogen in the form of nitrate (NO₃⁻) or ammonia (NH₃), which are then assimilated into biomolecules through specific enzymatic pathways.Assimilatory Nitrate ReductionWhen nitrate enters the cell, it undergoes a two-step reduction process known as assimilatory nitrate reduction. Initially, the enzyme...
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Perspective on Wheat Yield and Quality with Reduced Nitrogen Supply.

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Developing improved wheat varieties with better nitrogen use efficiency is key to sustainable agriculture. This approach reduces fertilizer needs and environmental impact, especially for animal feed wheats.

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Area of Science:

  • Agricultural Science
  • Plant Breeding
  • Agronomy

Background:

  • Wheat requires significant nitrogen (N) fertilizer for grain protein, impacting baking and processing quality.
  • High N demand can lead to environmental N losses.
  • Developing wheat genotypes with enhanced N use efficiency (NUE) is crucial for sustainable agriculture.

Purpose of the Study:

  • To discuss strategies for developing improved wheat genotypes with higher yield stability.
  • To explore methods for enhancing grain quality and N use efficiency.
  • To reduce environmental impacts associated with N fertilizer use in wheat production.

Main Methods:

  • Discussing perspectives on developing improved wheat genotypes.
  • Considering genome editing to modify storage proteins.
  • Integrating advanced breeding techniques with optimized N fertilizer management.

Main Results:

  • Improved wheat genotypes can achieve higher yield stability and better grain quality.
  • Targeted genetic modifications can reduce reliance on non-essential storage proteins.
  • Combined approaches of breeding and N management can significantly enhance NUE.

Conclusions:

  • Developing wheat genotypes with improved NUE is essential for sustainable agriculture.
  • Genome editing and tailored N management offer a novel approach to reduce environmental N losses.
  • This strategy is particularly promising for wheat varieties intended for animal feed.