Fusarium sp. Strain K-23 Alleviates Salt Stress in Arabidopsis thaliana Through Its Root Hair Growth-Promoting Effect

    October 2024 in “ Journal of Plant Growth Regulation ”
    Francis Chukwuma Onejeme, Adrián González Ortega‐Villaizán, Estefanía Rodríguez-Dobreva, B. Prieto, Manish Kumar Patel, Selma Guendouzi, Pavan Reddy, Leonel E. Lopez, José M. Estevez, Karaba N. Nataraja, R. Uma Shaanker, Begoña Benito, Jesús Vicente‐Carbajosa, Ralf Oelmüller, Stephan Pollmann
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    TLDR Fusarium sp. strain K-23 helps Arabidopsis plants grow better in salty soil by promoting root hair growth.
    The study demonstrates that Fusarium sp. strain K-23 enhances salt stress tolerance in Arabidopsis thaliana by promoting root hair growth. The fungus induces the expression of the NAC transcription factor JUNGBRUNNEN 1 (JUB1), which represses gibberellin biosynthesis, supporting sustained root hair growth under salt stress. Co-cultivation with K-23 resulted in increases in root system length, shoot fresh weight, and total plant fresh weight under salt stress. The research highlights the potential of Fusarium sp. strain K-23 to improve plant growth and stress resilience, suggesting it could be a sustainable solution to enhance plant resilience against salt stress, potentially benefiting agricultural productivity in saline environments.
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