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- Title
From Alien Species to Alien Communities: Host- and Habitat-Associated Microbiomes in an Alien Amphibian.
- Authors
Leonhardt, Franziska; Keller, Alexander; Arranz Aveces, Clara; Ernst, Raffael
- Abstract
Alien species can host diverse microbial communities. These associated microbiomes may be important in the invasion process and their analysis requires a holistic community-based approach. We analysed the skin and gut microbiome of Eleutherodactylus johnstonei from native range populations in St Lucia and exotic range populations in Guadeloupe, Colombia, and European greenhouses along with their respective environmental microbial reservoir through a 16S metabarcoding approach. We show that amphibian-associated and environmental microbial communities can be considered as meta-communities that interact in the assembly process. High proportions of bacteria can disperse between frogs and environment, while respective abundances are rather determined by niche effects driven by the microbial community source and spatial environmental properties. Environmental transmissions appeared to have higher relevance for skin than for gut microbiome composition and variation. We encourage further experimental studies to assess the implications of turnover in amphibian-associated microbial communities and potentially invasive microbiota in the context of invasion success and impacts. Within this novel framework of "nested invasions," (meta-)community ecology thinking can complement and widen the traditional perspective on biological invasions.
- Subjects
SAINT Lucia; GUADELOUPE; COLOMBIA; INTRODUCED species; BIOTIC communities; GUT microbiome; AMPHIBIANS; MICROBIAL communities; BIOLOGICAL invasions
- Publication
Microbial Ecology, 2023, Vol 86, Issue 4, p2373
- ISSN
0095-3628
- Publication type
Article
- DOI
10.1007/s00248-023-02227-5