A New Genus of the Microascaceae (Ascomycota) Family from a Hypersaline Lagoon in Spain and the Delimitation of the Genus Wardomyces

The Saladas de Sástago-Bujaraloz is an endorheic and arheic complex of lagoons located in the Ebro Basin and protected by the Ramsar Convention on Wetlands. Due to the semi-arid climate of the region and the high salinity of their waters, these lagoons constitute an extreme environment. We surveyed...

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Bibliographic Details
Published in:Journal of fungi (Basel) 2024-03, Vol.10 (4), p.236
Main Authors: Barnés-Guirado, María, Stchigel, Alberto Miguel, Cano-Lira, José Francisco
Format: Article
Language:English
Subjects:
Biodiversity
endorheic
extremophiles
Fungi
Glycerol
halophilic
halotolerant
Lagoons
Lakes
Microascaceae
New combinations
New genera
Pathogens
Phylogenetics
Phylogeny
Potassium
Precipitation
rRNA
Salinity tolerance
Salt
Sediments
Spacer region
Taxonomy
Translation elongation
Tubulin
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Summary:The Saladas de Sástago-Bujaraloz is an endorheic and arheic complex of lagoons located in the Ebro Basin and protected by the Ramsar Convention on Wetlands. Due to the semi-arid climate of the region and the high salinity of their waters, these lagoons constitute an extreme environment. We surveyed the biodiversity of salt-tolerant and halophilic fungi residents of the Laguna de Pito, a lagoon belonging to this complex. Therefore, we collected several samples of water, sediments, and soil of the periphery. Throughout the study, we isolated 21 fungal species, including a strain morphologically related to the family . However, this strain did not morphologically match any of genera within this family. After an in-depth morphological characterization and phylogenetic analysis using a concatenated sequence dataset of four phylogenetically informative molecular markers (the internal transcribed spacer region (ITS) of the nuclear ribosomal DNA (nrDNA); the D1-D2 domains of the 28S gene of the nuclear ribosomal RNA (LSU); and a fragment of the translation elongation factor 1-alpha ( ) and the β-tubulin ( 2) genes), we established the new genus , with as its species. Additionally, as a result of our taxonomic study, we reclassified the paraphyletic genus into three different genera: , gen. nov., and gen. nov., with (formerly ) and (formerly ) as the type species of their respective genera. Furthermore, we propose new combinations, including (formerly ) and (formerly ).
ISSN:2309-608X
2309-608X
DOI:10.3390/jof10040236