Academic Journal
Patterns of Functional Redundancy and Anaerobic Metabolic Potential Characterise the Skin Microbiome of a Critically Endangered Sawfish.
| Τίτλος: | Patterns of Functional Redundancy and Anaerobic Metabolic Potential Characterise the Skin Microbiome of a Critically Endangered Sawfish. |
|---|---|
| Συγγραφείς: | Doane MP; Flinders Accelerator for Microbiome Exploration, Flinders University, Bedford Park, South Australia, Australia., Martin B; Flinders Accelerator for Microbiome Exploration, Flinders University, Bedford Park, South Australia, Australia., Kerr E; Flinders Accelerator for Microbiome Exploration, Flinders University, Bedford Park, South Australia, Australia., Dinsdale EA; Flinders Accelerator for Microbiome Exploration, Flinders University, Bedford Park, South Australia, Australia., Rangers MM; Malak Malak Ranger Group, Northern Land Council, Darwin, Northern Territory, Australia., Guida L; Australian Marine Conservation Society, Brisbane, Queensland, Australia., Kyne PM; Research Institute for the Environment and Livelihoods, Charles Darwin University, Darwin, Northern Territory, Australia. |
| Πηγή: | Environmental microbiology [Environ Microbiol] 2026 Oct; Vol. 28 (10), pp. e70442. |
| Τύπος έκδοσης: | Journal Article |
| Γλώσσα: | English |
| Στοιχεία περιοδικού: | Publisher: Blackwell Science Country of Publication: England NLM ID: 100883692 Publication Model: Print Cited Medium: Internet ISSN: 1462-2920 (Electronic) Linking ISSN: 14622912 NLM ISO Abbreviation: Environ Microbiol Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: Oxford : Blackwell Science, 1999- |
| Ιατρικοί όροι (MeSH): | Bacteria*/classification , Bacteria*/genetics , Bacteria*/isolation & purification , Bacteria*/metabolism , Skin*/microbiology , Skin Microbiome* , Microbiota*, Animals ; Anaerobiosis ; Endangered Species ; Metagenomics ; Phylogeny |
| Περίληψη: | Using shotgun metagenomics of largetooth sawfish (Pristis pristis) skin and paired pool water samples, we provide the first taxonomic and functional characterisation of a sawfish skin microbiome and assess its ecological distinctiveness, assembly, and resilience relative to the surrounding water column. The skin microbiome was strongly host-associated and compositionally distinct, with lower taxonomic richness than the water column but dominated by Bacillota, particularly spore-forming Bacilli. Functional profiling revealed genes associated with sporulation, dormancy, anaerobic metabolism, and peptide transport, consistent with low-oxygen, low-flow conditions. In contrast, water-column microbiomes were more taxonomically diverse and enriched in phototrophic and polysaccharide-utilisation pathways. Sawfish skin communities exhibited patterns consistent with greater functional redundancy, with gene functions accumulating more rapidly per taxon. Together with greater among-individual taxonomic dispersion, this pattern is consistent with a host-filtered, lottery-like assembly process in which taxonomically variable communities maintain similar functional potential. The enrichment of dormancy and anaerobic pathways suggests the skin microbiome persists through periods of host quiescence and environmental stress while maintaining metabolic potential. Together, these results demonstrate that the sawfish skin supports a resilient, functionally robust microbiome distinct from ambient aquatic communities, highlighting the potential for integrating microbial functional data into conservation strategies for Critically Endangered vertebrates. (© 2026 The Author(s). Environmental Microbiology published by John Wiley & Sons Ltd.) |
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| Grant Information: | Charles Darwin University 2021 Institute of Advanced Studies (IAS) Rainmaker Start Up; Australian Marine Conservation Society (AMCS); Flinders Accelerator for Microbiome Exploration |
| Contributed Indexing: | Keywords: conservation microbiology; elasmobranch microbiome; environmental stress resilience; functional redundancy; host‐associated microbiome; host–environment interactions; shotgun metagenomics; skin microbiome; wild vertebrate microbiome |
| Entry Date(s): | Date Created: 20261013 Date Completed: 20261013 Latest Revision: 20261015 |
| Update Code: | 20261015 |
| PubMed Central ID: | PMC13659419 |
| DOI: | 10.1111/1462-2920.70442 |
| PMID: | 42865259 |
| Βάση Δεδομένων: | MEDLINE |
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