Mucus carbohydrate composition correlates with scleractinian coral phylogeny

The mucus surface layer serves vital functions for scleractinian corals and consists mainly of carbohydrates. Its carbohydrate composition has been suggested to be influenced by environmental conditions (e.g., temperature, nutrients) and microbial pressures (e.g., microbial degradation, microbial co...

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Bibliographic Details
Published in:Scientific reports 2024-06, Vol.14 (1), p.14019-11, Article 14019
Main Authors: Thobor, Bianca M., Tilstra, Arjen, Mueller, Benjamin, Haas, Andreas, Hehemann, Jan-Hendrik, Wild, Christian
Format: Article
Language:English
Subjects:
631/158
631/158/2452
631/45/72
Animals
Anthozoa - classification
Anthozoa - genetics
Anthozoa - metabolism
Arabinose
Biodegradation
Carbohydrate composition
Carbohydrates
Carbohydrates - analysis
Carbohydrates - chemistry
Corals
Environmental conditions
Humanities and Social Sciences
Microbial degradation
Monosaccharides
Monosaccharides - analysis
Mucus
Mucus - chemistry
Mucus - metabolism
multidisciplinary
Phylogenetics
Phylogeny
Science
Science (multidisciplinary)
Symbionts
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Summary:The mucus surface layer serves vital functions for scleractinian corals and consists mainly of carbohydrates. Its carbohydrate composition has been suggested to be influenced by environmental conditions (e.g., temperature, nutrients) and microbial pressures (e.g., microbial degradation, microbial coral symbionts), yet to what extend the coral mucus composition is determined by phylogeny remains to be tested. To investigate the variation of mucus carbohydrate compositions among coral species, we analyzed the composition of mucosal carbohydrate building blocks (i.e., monosaccharides) for five species of scleractinian corals, supplemented with previously reported data, to discern overall patterns using cluster analysis. Monosaccharide composition from a total of 23 species (belonging to 14 genera and 11 families) revealed significant differences between two phylogenetic clades that diverged early in the evolutionary history of scleractinian corals (i.e., complex and robust; p  = 0.001, R 2  = 0.20), mainly driven by the absence of arabinose in the robust clade. Despite considerable differences in environmental conditions and sample analysis protocols applied, coral phylogeny significantly correlated with monosaccharide composition (Mantel test: p  
ISSN:2045-2322
2045-2322
DOI:10.1038/s41598-024-64828-5