Abstract
We studied the diversity of endophytic fungal assemblages associated with Empetrum rubrum Vahl ex Willd (Ericaceae), a medicinal plant from austral South America, collected at the eastern Malvinas/Falkland Islands. From the leaves and stems of E. rubrum, 83 endophytic fungal isolates were recovered and identified using molecular biology taxonomy methods within 18 genera and 24 different taxa. Fungi from the Leotiomycetes class were the most abundant, followed by those of Dothideomycetes, Sordariomycetes, Eurotiomycetes, and Pezizomycetes. Phacidium, Allantophomopsis, Preussia, and Cladosporium were the most abundant genera. In addition, 18 taxa were detected as singlets representing rare taxa within the fungal assemblages. From the stem tissues of E. rubrum, 11 exclusive fungal genera from 15 taxa were recovered. In contrast, six fungal genera and seven taxa were identified in the leaves. Only endophytic Phacidium pseudophacidioides was found in the stem and leaf tissues. Our results showed that the tissues of E. rubrum, a medicinal species from austral South America, harbored a diverse endophytic fungal assemblage similar to those reported for the plants in the Ericaceae family from temperate regions. However, E. rubrum displayed unusual fungal taxa, reported as endophytes, such as Allantophomopsis cytisporea, Humicolopsis cephalosporioides, Phacidium grevilleae, Pseudocercospora pseudophacidioides, Pseudocercospora brackenicola, and Pseudopithomyces sp. Additionally, the E. rubrum fungal assemblage was dominated by rare species (singlets).
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Ferreira, M.C. et al. (2021). Diversity of Endophytic Fungi of Empetrum rubrum Vahl ex Willd (Ericaceae): A Medicinal Plant from Austral South America. In: Rosa, L.H. (eds) Neotropical Endophytic Fungi. Springer, Cham. https://doi.org/10.1007/978-3-030-53506-3_17
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