Silicon differentially protects PSII and PSI photochemistry and preserves fatty acid metabolism in salt-stressed Sorghum bicolor (L.).

Farah Bounaouara¹, Rabaa Hidri¹, Mohammed Falouti¹, Salma Nait Mohamed², Mokded Rabhi^1,3, Ahmed Hichem Hamzaoui⁴, Issam Nouairi⁵, Nabil Ben Youssef², Cécile Cabassa⁶, Arnould Savouré⁶, Chedly Abdelly¹, Inès Slama¹, Walid Zorrig¹

¹Laboratory of Extremophile Plants, Centre of Biotechnology of Borj-Cedria, Hammam-Lif, Tunisia.

²Laboratory of Olive Biotechnology, Centre of Biotechnology of Borj-Cedria, Hammam-Lif, Tunisia.

³Department of Plant Production, College of Agriculture and Food, Qassim University, Buraydah, Saudi Arabia.

⁴Laboratory of Valorization of Useful Materials, National Centre for Research in Materials Sciences, Technopole of Borj Cedria, Soliman, Tunisia.

⁵Laboratory of Legumes and Sustainable Agrosystems, Centre of Biotechnology of Borj-Cedria, Hammam-Lif, Tunisia.

⁶Sorbonne Université, UPEC, CNRS, IRD, INRAE, Institute of Ecology and Environmental Science of Paris (iEES), Paris, France.

PubMed DOI

Abstract

BACKGROUND: Silicon (Si) has been demonstrated to be an important element to enhance crop tolerance against salinity. Nevertheless, mechanisms underlying Si's mitigation of salt stress remains insufficiently explored and understood. This study aims to provide new insights into Si's impact on salt-stressed Sorghum bicolor (L.) supplied or not with 0.5 mmol L-1 of sodium silicate (Na2SiO3) by combin…

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Mentioned Companies

Olive
affiliation

Other Funding

Tunisian Ministry of Higher Education and Scientific Research under grant number LR15CBBC02. Additional support was provided by the PHC Maghreb 2019 network (Partenariat Hubert Curien Maghreb 2019, project number 41482RL - 19MAG41, "PROSPECT" Project), and the Young Researchers Encouragement Program (Programme d'Encouragement des Jeunes Chercheurs, project number 21PEJCD4P1, led by Walid ZORRIG ["Si-Grow" Project]).
MOBIDOC scheme, funded by the European Union through the SWAFY Project and managed by the ANPR (Agence Nationale de la Promotion de la Recherche scientifique), supporting the postdoctoral research of Dr. Rabaa Hidri ("Si-Green" Project). The final phases of this research work were additionally supported by the PHC-UTIQUE 2025 network (Partenariat Hubert Curien UTIQUE 2025, project number 25G0905, "SiCropSave" Project).

Keywords

fatty acidsphotosystemssalinitysecondary structuresiliconsorghum

Article Info

PMID: 42706740
DOI: 10.1002/jsfa.71027
Received: June 8, 2026
Accepted: August 17, 2026

How to Cite

Bounaouara F et al. Silicon differentially protects PSII and PSI photochemistry and preserves fatty acid metabolism in salt-stressed Sorghum bicolor (L.). J Sci Food Agric2026 doi:10.1002/jsfa.71027

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