A shift in substrate requirement might cause speciation of the lichenized fungi, Varicellaria hemisphaerica and V. lactea (Pertusariales, Ascomycota).
Varicellariaceae
Climatic conditions
Habitat requirements
Secondary metabolites
Semi-cryptic species
Journal
Scientific reports
ISSN: 2045-2322
Titre abrégé: Sci Rep
Pays: England
ID NLM: 101563288
Informations de publication
Date de publication:
09 10 2024
09 10 2024
Historique:
received:
14
05
2024
accepted:
30
09
2024
medline:
10
10
2024
pubmed:
10
10
2024
entrez:
9
10
2024
Statut:
epublish
Résumé
Proper species recognition is required to correctly estimate species preferences and their vulnerability or for eco-evolutionary inference. Varicellaria hemisphaerica and Varicellaria lactea are almost completely morphologically homogeneous species with unclear identification features. To evaluate the importance of morphological, chemical, and ecological characteristics used in recognition of these species, we tested 670 specimens, of which 42 were analyzed phylogenetically using nucITS rDNA, SSU rDNA, and LSU rDNA markers. This integrated taxonomical approach showed that V. hemisphaerica is distinct from V. lactea, and that substrate requirements, together with phylogenetic differences and the size of soredia, differentiate these species. The chemical composition of secondary lichen metabolites in both analyzed species showed similar variation and, therefore, this feature is not diagnostic in species recognition, although suggested by previous studies. The potential speciation of the two species seems to be caused by the shift in the substrate requirements.
Identifiants
pubmed: 39384908
doi: 10.1038/s41598-024-74937-w
pii: 10.1038/s41598-024-74937-w
doi:
Substances chimiques
DNA, Ribosomal
0
DNA, Fungal
0
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
23514Informations de copyright
© 2024. The Author(s).
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