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Glycomolecules: from "sweet immunity" to "sweet biostimulation"?
I Boulogne1,2, C Mirande-Ney1, S Bernard1
1Université de Rouen Normandie, Normandie Univ, GlycoMEV UR 4358, SFR Normandie Végétal FED 4277, Fédération NORSEVE (Normandie-Québec), Innovation Chimie Carnot, IRIB, GDR CNRS Chemobiologie, RMT BESTIM, Rouen, France.
Physiologia Plantarum
|December 2, 2024
Summary
Sustainable agriculture faces challenges from climate change. Glycomolecules, including complex polysaccharides, glycoproteins, and glycolipids, show potential as novel biostimulants, introducing the concept of glycostimulation for enhanced plant growth and stress tolerance.
Area of Science:
- Agricultural Science
- Plant Biology
- Biochemistry
Background:
- Climate change and environmental contaminants necessitate sustainable agricultural practices.
- Biostimulants offer natural, low-impact solutions for enhancing plant growth and stress tolerance.
- Current biostimulant categories overlook the potential of glycomolecules as active components.
Purpose of the Study:
- To explore the structure and function of glycomolecules (polysaccharides, glycoproteins, glycolipids) in plant defense and biostimulation.
- To investigate the role of glycomolecules in enhancing plant responses to abiotic stress.
- To introduce and define the concept of 'sweet biostimulation' or 'glycostimulation'.
Main Methods:
- Literature review on the role of complex polysaccharides, glycoproteins, and glycolipids in plant physiology.
- Analysis of existing data on glycomolecule-mediated plant defense mechanisms.
- Comparative study of glycomolecule functions with other known biostimulant classes.
Main Results:
- Glycomolecules, including complex polysaccharides, glycoproteins, and glycolipids, play significant roles in plant defense.
- These molecules demonstrate potential for biostimulation, improving plant growth and stress tolerance.
- A conceptual framework for 'glycostimulation' is proposed, highlighting sugar-based biostimulation.
Conclusions:
- Glycomolecules represent a distinct and promising subclass of biostimulants.
- Further research into glycostimulation can lead to innovative sustainable agricultural solutions.
- Harnessing glycomolecules can reduce reliance on chemical inputs while improving crop resilience.
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