Dispersal Shapes Compositional and Functional Diversity in Aquatic Microbial Communities

Overview

Journal mSystems

Publisher American Society for Microbiology

Specialty Microbiology

Date 2024 Nov 18

PMID 39555909

Authors

Angel Rain-Franco

Alizee Le Moigne

Lucas Serra Moncadas

Marisa O D Silva

Adrian-Stefan Andrei

Jakob Pernthaler

Affiliations

Soon will be listed here.

Abstract

Importance: We experimentally assessed the compositional and functional responses of freshwater bacterial assemblages exposed to two consecutive dispersal-related events (dispersal limitation and homogenizing dispersal) under identical growth conditions. While segregation led to a decreased local diversity, high beta diversity sustained regional diversity and functional variability. In contrast, homogenizing dispersal reduced the species pool and functional variability of the metacommunity. Our findings highlight the role of dispersal in regulating both diversity and functional variability of aquatic microbial metacommunities, thereby providing crucial insight to predict changes in ecosystem functioning.

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