The Role of the Endophytic Fungus, Thermomyces lanuginosus, on Mitigation of Heat Stress to Its Host Desert Plant Cullen plicata

Ali, Abeer H. and Radwan, Usama and El-Zayat, Soad and El-Sayed, Magdi A. (2019) The Role of the Endophytic Fungus, Thermomyces lanuginosus, on Mitigation of Heat Stress to Its Host Desert Plant Cullen plicata. BIOLOGIA FUTURA, 70 (1). pp. 1-7. ISSN 2676-8615 (print); 2676-8607 (online)

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Abstract

Introduction: Endophytic fungi associated with desert plants have a crucial role to enable these plants to tolerate abiotic stress, such as heat and drought. Methods: In this study, a thermophilic fungal endophyte was isolated from a hot desert-adapted plant, Cullen plicata Delile. The endophytic fungus was (molecularly) identified as Thermomyces lanuginosus, and inoculated plants were coded as E+ and the control as E−. Results: This fungus had an effective growth-promoting activity on its host plant and increased the plant resistance to heat stress as well. Discussion: Our findings demonstrate that thermophilic fungal endophytes can enhance drought and heat stress tolerance in desert plants by ecophysiological mechanisms and improve growth of its host plants.

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