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Biodiversity and characterization of marine mycota from Portuguese waters

Author(s): Azevedo, E. | Caeiro, M. F. | Rebelo, R. | Barata, M.

Journal: Animal Biodiversity and Conservation
ISSN 1578-665X

Volume: 34;
Issue: 1;
Start page: 205;
Date: 2011;
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Keywords: Marine fungi | Wood baits | Fungal diversity | Ascomycota | Anamorphic fungi | Sequence alignment

The occurrence, diversity and similarity of marine fungi detected by the sum of direct and indirect observations in Fagus sylvatica and Pinus pinaster baits submerged at two Portuguese marinas are analyzed and discussed. In comparison with the data already published in 2010, the higher number of specimens considered in this study led to the higher number of very frequent taxa for these environments and substrata; the significant difference in substrata and also in fungal diversity detected at the two environments is also highlighted, in addition to the decrease in fungal similarity. Because the identification of Lulworthia spp., Fusarium sp., Graphium sp., Phoma sp. and Stachybotrys sp. down to species level was not possible, based only on the morphological characterization, a molecular approach based on the amplification of the LSU rDNA region was performed with isolates of these fungi. This was achieved for three isolates, identified as Fusarium solani, Graphium eumorphum and Stachybotrys chartarum. To achieve this with the other isolates which are more complex taxa, the sequencing of more regions will be considered.
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