ArticleScientific reports2025
Elevational microhabitats influence some endolichenic traits of Umbilicaria aprina, an alpine lichen species.
Article in Scientific reports, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Poikilohydria, polyols, and homeoviscosity: lichen metabolomic remodeling across environmental gradients.Frontiers in plant science · 2026Article
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6 authors.
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Abstract
Understanding the dynamics of lichen-environment interactions, particularly in terms of elemental composition, microbial, and metabolic profiles, is crucial for elucidating the adaptive strategies of lichens. Here we aimed to investigate the impact of elevational microhabitats on the elemental compositions, microbial profiles, and metabolic profiles of different colonies of Umbilicaria aprina along an elevational gradient. Ionomics showed variations in elemental compositions of colonies at different elevations with distinct patterns of accumulation for specific elements. Untargeted metabolomics revealed metabolic alterations in different colonies of U. aprina across elevations, suggesting a potential role of lichen secondary metabolites in responding to environmental changes. Culture-based analysis of microbiome also showed variations in the microbial profiles of colonies with changes in elevation, confirming the influence of elevational microhabitats on lichen-associated microbial communities. We further examined possible correlations between the relative intensity of different metabolites and the other two endolichenic traits (i.e., elemental composition and microbial profile). Although no consistent correlative patterns emerged, some metabolite-specific correlations were observed. Overall, our study shows that certain endolichenic traits undergo variations even within a restricted alpine range, corresponding to minor changes in environmental conditions.
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