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Full-Text Articles in Ecology and Evolutionary Biology
Occurrence Of Alkaloids In Grass Seeds Symbiotic With Vertically-Transmitted Epichloë Fungal Endophytes And Its Relationship With Antioxidants, Pedro E. Gundel, Charlotte E. Seal, Fernando Biganzoli, Marco A. Molina-Montenegro, Beatriz R. Vázquez-De-Aldana, Iñigo Zabalgogeazcoa, Lowell P. Bush, María A. Martínez-Ghersa, Claudio M. Ghersa
Occurrence Of Alkaloids In Grass Seeds Symbiotic With Vertically-Transmitted Epichloë Fungal Endophytes And Its Relationship With Antioxidants, Pedro E. Gundel, Charlotte E. Seal, Fernando Biganzoli, Marco A. Molina-Montenegro, Beatriz R. Vázquez-De-Aldana, Iñigo Zabalgogeazcoa, Lowell P. Bush, María A. Martínez-Ghersa, Claudio M. Ghersa
Plant and Soil Sciences Faculty Publications
Host organisms can acquire new functional traits through symbiosis. Seed-transmitted Epichloë fungal endophytes are known to protect host plants against herbivores and increase tolerance to abiotic stresses by alkaloids and antioxidants, respectively (currencies of mutualism). Whereas, alkaloids are fungal products with demonstrated effects at plant vegetative stage, few studies have focused on alkaloids in seeds. We assessed the occurrence of fungal alkaloids and determined their concentrations in seeds of two host grasses, Festuca rubra and Lolium multiflorum. Then, we sought for a relationship with the antioxidants tocochromanols and glutathione, which are involved in the control of oxidative stress. Different …