Diversity and distribution of hidden cultivable fungi associated with marine animals of Antarctica

Godinho, Valéria M.; Paula, Maria T. de; Silva, Débora Amorim Saraiva; Paresque, Karla; Martins, Aline P.; Colepicolo, Pio; Rosa, Carlos A.; Rosa, Luiz Henrique

doi:10.1016/j.funbio.2019.05.001

Cited by 37 publications

(15 citation statements)

References 39 publications

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“…Marine yeasts in sea sponges collected from the North Sea and the Mediterranean were mainly in the order Malasseziales of the phylum Basidiomycota [6]. Furthermore, the most abundant marine yeasts associated with marine animals (phyla Mollusca, Nemertea, Chordata, Cnidaria, Annelida, Echinodermata, Arthropoda, and Platyhelmintes) from Antarctica belonged to the phylum Basidiomycota [49]. However, our study's result was in contrast with the results of some investigations.…”

Section: Marine Yeast Isolation and Identificationcontrasting

confidence: 99%

Assessment of Diversity of Culturable Marine Yeasts Associated with Corals and Zoanthids in the Gulf of Thailand, South China Sea

2020

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Marine yeasts can occur in a wide range of habitats, including in marine invertebrates, in which they may play important roles; however, investigation of marine yeasts in marine invertebrates is scarce. Therefore, this study aims to explore the diversity of yeasts associated with corals and zoanthids in the Gulf of Thailand. Thirty-three coral and seven zoanthid samples were collected at two sampling sites near Mu and Khram islands. Fifty yeast strains were able to be isolated from 25 of the 40 samples collected. Identification based on sequence analyses of the D1/D2 domain of the large subunit rRNA gene revealed a higher number of strains in the phylum Basidiomycota (68%) than in the phylum Ascomycota. The ascomycetous yeasts comprised nine known species from four genera (Candida, Meyerozyma, Kodamaea, and Wickerhamomyces), whereas the basidiomycetous yeasts comprised 10 known species from eight genera (Vishniacozyma, Filobasidium, Naganishia, Papiliotrema, Sterigmatomyces, Cystobasidium, Rhodotorula, and Rhodosporidiobolus) and one potentially new species. The species with the highest occurrence was Rhodotorula mucilaginosa. Using principal coordinate analysis (PCoA) ordination, no marked differences were found in the yeast communities from the two sampling sites. The estimation of the expected richness of species was higher than the actual richness of species observed.

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Section: Marine Yeast Isolation and Identificationcontrasting

confidence: 99%

Assessment of Diversity of Culturable Marine Yeasts Associated with Corals and Zoanthids in the Gulf of Thailand, South China Sea

2020

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“…We also found a range of taxa reported from the marine environment but not previously found on plastics. For example, an OTU matching Meyerozyma guilliermondii was found in high abundance and frequency in plastics from the AP; this fungal taxa has been previously reported associated with invertebrate species (Duarte et al., 2013; Godinho et al., 2019) and macroalgae (Godinho et al., 2013).…”

Section: Discussionmentioning

confidence: 52%

Diverse groups of fungi are associated with plastics in the surface waters of the Western South Atlantic and the Antarctic Peninsula

et al. 2020

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Marine plastic pollution has a range of negative impacts for biota and the colonization of plastics in the marine environment by microorganisms may have significant ecological impacts. However, data on epiplastic organisms, particularly fungi, is still lacking for many ocean regions. To evaluate plastic associated fungi and their geographic distribution, we characterised plastics sampled from surface waters of the western South Atlantic (WSA) and Antarctic Peninsula (AP), using DNA metabarcoding of three molecular markers (ITS2, 18S rRNA V4 and V9 regions). Numerous taxa from eight fungal phyla and a total of 64 orders were detected, including groups that had not yet been described associated with plastics. There was a varied phylogenetic assemblage of predominantly known saprotrophic taxa within the Ascomycota and Basidiomycota. We found a range of marine cosmopolitan genera present on plastics in both locations, i.e., Aspergillus, Cladosporium, Wallemia and a number of taxa unique to each region, as well as a high variation of taxa such as Chytridiomycota and Aphelidomycota between locations. Within these basal fungal groups we identified a number of phylogenetically novel taxa. This is the first description of fungi from the Plastisphere within the Southern Hemisphere, and highlights the need to further investigate the potential impacts of plastic associated fungi on other organisms and marine ecosystems.

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“…Representatives of the cold-tolerant genus Mortierella were isolated at all sites from 3 to 800 m. These results corroborate the previous reports related to the prevalence of Mortierella in Antarctica [ 47 , 48 , 49 , 50 ]. Fungi belonging to this genus have been isolated from different substrates of Antarctica such as permafrost [ 51 ], macroalgal thalli [ 48 ], floating wood in seawater [ 52 ], mosses [ 53 ], rhizosphere of Deschampsia antarctica , and Colobanthus quitensis [ 46 , 54 ], soil [ 55 ], and marine invertebrates [ 56 ]. Species representing the genus Pseudeurotium are endophytic and have a cosmopolitan distribution [ 57 ], in addition to having been reported to be associated with bat hibernacula [ 43 , 44 , 58 , 59 ].…”

Section: Discussionmentioning

confidence: 99%

Fungal Community in Antarctic Soil Along the Retreating Collins Glacier (Fildes Peninsula, King George Island)

2020

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Glacial retreat is one of the most conspicuous signs of warming in Antarctic regions. Glacier soils harbor an active microbial community of decomposers, and under the continuous retraction of glaciers, the soil starts to present a gradient of physical, chemical, and biological factors reflecting regional changes over time. Little is known about the biological nature of fungi in Antarctic glacier soils. In this sense, this work aimed at studying the behavior of fungal community structure from samples of glacier soil collected after glacial retreat (Collins Glacier). A total of 309 fungi distributed in 19 genera were obtained from eleven soil samples. Representatives of the genera Pseudogymnoascus (Ascomycota) and Mortierella (Mortierellomycota) were the most abundant isolates in all samples. The data revealed the presence of filamentous fungi belonging to the phylum Basidiomycota, rarely found in Antarctica. Analysis of the generalized linear models revealed that the distance from the glacier as well as phosphorus and clay were able to modify the distribution of fungal species. Environmental variations proved to have influenced the genera Pseudogymnoascus and Pseudeutorium.

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Diversity and distribution of hidden cultivable fungi associated with marine animals of Antarctica

Cited by 37 publications

References 39 publications

Assessment of Diversity of Culturable Marine Yeasts Associated with Corals and Zoanthids in the Gulf of Thailand, South China Sea

Assessment of Diversity of Culturable Marine Yeasts Associated with Corals and Zoanthids in the Gulf of Thailand, South China Sea

Diverse groups of fungi are associated with plastics in the surface waters of the Western South Atlantic and the Antarctic Peninsula

Fungal Community in Antarctic Soil Along the Retreating Collins Glacier (Fildes Peninsula, King George Island)

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