Journal
FRONTIERS IN MICROBIOLOGY
Volume 11, Issue -, Pages -Publisher
FRONTIERS MEDIA SA
DOI: 10.3389/fmicb.2020.00933
Keywords
marine fungi; Mediterranean Sea; seagrass; algae; phylogeny; Lulworthiales
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Funding
- University of Torino
- Fondazione CRT (Turin, Italy)
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Fungi are widely distributed in the Oceans, interact with other organisms and play roles that range from pathogenic to mutualistic. The present work focuses on the characterization of the cultivable mycobiota associated with the seagrassPosidonia oceanica(L.) Delile collected off the Elba Island (Italy). We identified 102 taxa (mainly Ascomycota) by the mean of a polyphasic approach. Leaves, rhizomes, roots and matte were characterized by unique mycobiota revealing a plant-part-specificity. The comparison with the mycobiota associated with the green algaFlabellia petiolataand the brown algaPadina pavonicaunderlined a substrate specificity. Indeed, despite being part of the same phytocoenosis, these photosynthetic organisms recruit different fungal communities. The mycobiota seems to be necessary for the host's defense and protection, playing, in this way, remarkable ecological roles. Among the 61 species detected in association withP. oceanica(including two species belonging to the newly introduced genusParalulworthia), 37 were reported for the first time from the Mediterranean Sea.
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