Unveiling Fungal Community Structure along Different Levels of Anthropic Disturbance in a South American Subtropical Lagoon

Danielle Machado Pagani, Stefânia P.R. Ventura, Duong Vu, Thairine Mendes-Pereira, Luiz Marcelo Ribeiro Tomé, Daniel Santana de Carvalho, Diogo Henrique Costa-Rezende, Rodrigo Bentes Kato, Glen Jasper Yupanqui García, József Geml, Vincent Robert, Ng Haig They, Bertram Brenig, Vasco Azevedo, Maria Lúcia Scroferneker, Patricia Valente, Aristóteles Góes-Neto*

*Bijbehorende auteur voor dit werk

Onderzoeksoutput: Bijdrage aan wetenschappelijk tijdschrift/periodieke uitgaveArtikelWetenschappelijkpeer review


Studies of fungal communities through amplicon metagenomics in aquatic environments, particularly in freshwater ecosystems, are still relatively recent. Unfortunately, many of these water bodies are facing growing threats from human expansion, such as effluent discharge from various human activities. As a result, these effluents have the potential to significantly alter the characteristics of water bodies and, subsequently, impact the diversity of their resident microorganisms. In this context, our objective was to investigate whether the fungal community structure varies according to the presence of different anthropic disturbances. We expect (i) the diversity of fungi will be greater and (ii) more specific unique operational taxonomic units (OTUs) related to each ecotonal system will be found compared to other sites of a lagoon. The study was conducted in the Tramandaí Lagoon (subtropical southern Brazil) at four distinct sampling points (estuary, middle of the lagoon, crop field area, and near a residential area where the Tramandaí River flows into the lagoon). As expected, the estuary and residential zones, which are ecotones, exhibited greater fungal diversity and more specific OTUs compared to the middle of the lagoon and crop field area. Moreover, a substantial proportion of fungal taxa could not be identified at the genus level, with many only classified at the phylum level, indicating potential new lineages. These findings underscore our limited understanding of the subtropical freshwater mycobiota.

Originele taal-2Engels
TijdschriftJournal of Fungi
Nummer van het tijdschrift9
StatusGepubliceerd - sep. 2023


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