Article (Scientific journals)
Cross-domain interactions confer stability to benthic biofilms in proglacial streams
Busi, Susheel Bhanu; Peter, Hannes; Brandani, Jade et al.
2024In Frontiers in Microbiomes, 2
Peer reviewed
 

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Keywords :
community fragmentation; cross-domain interactions; glacier-fed streams; microbiome; networks; Agricultural and Biological Sciences (miscellaneous); Microbiology; Microbiology (medical)
Abstract :
[en] Cross-domain interactions are an integral part of the success of biofilms in natural environments but remain poorly understood. Here, we describe cross-domain interactions in stream biofilms draining proglacial floodplains in the Swiss Alps. These streams, as a consequence of the retreat of glaciers, are characterised by multiple environmental gradients and perturbations (e.g., changes in channel geomorphology, discharge) that depend on the time since deglaciation. We evaluate co-occurrence of bacteria and eukaryotic communities along streams and show that key community members have disproportionate effects on the stability of community networks. The topology of the networks, here quantified as the arrangement of the constituent nodes formed by specific taxa, was independent of stream type and their apparent environmental stability. However, network stability against fragmentation was higher in the streams draining proglacial terrain that was more recently deglaciated. We find that bacteria, eukaryotic photoautotrophs, and fungi are central to the stability of these networks, which fragment upon the removal of both pro- and eukaryotic taxa. Key taxa are not always abundant, suggesting an underlying functional component to their contributions. Thus, we show that there is a key role played by individual taxa in determining microbial community stability of glacier-fed streams.
Disciplines :
Microbiology
Author, co-author :
Busi, Susheel Bhanu;  UK Centre for Ecology & Hydrology (UKCEH), Wallingford, United Kingdom ; Systems Ecology Group, Luxembourg Centre for Systems Biomedicine, University of Luxembourg, Esch-sur-Alzette, Luxembourg
Peter, Hannes;  River Ecosystems Laboratory, Alpine and Polar Environmental Research Center, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
Brandani, Jade;  River Ecosystems Laboratory, Alpine and Polar Environmental Research Center, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
Kohler, Tyler J.;  River Ecosystems Laboratory, Alpine and Polar Environmental Research Center, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland ; Department of Ecology, Faculty of Science, Charles University, Prague, Czech Republic
Fodelianakis, Stilianos;  River Ecosystems Laboratory, Alpine and Polar Environmental Research Center, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
Pramateftaki, Paraskevi;  River Ecosystems Laboratory, Alpine and Polar Environmental Research Center, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
Bourquin, Massimo;  River Ecosystems Laboratory, Alpine and Polar Environmental Research Center, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
Michoud, Grégoire;  River Ecosystems Laboratory, Alpine and Polar Environmental Research Center, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
Ezzat, Leïla;  River Ecosystems Laboratory, Alpine and Polar Environmental Research Center, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland ; MARBEC, Université de Montpellier, CNRS, Ifremer, IRD, Montpellier, France
Lane, Stuart;  Institute of Earth Surface Dynamics (IDYST), University of Lausanne, Lausanne, Switzerland
WILMES, Paul ;  University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB) > Systems Ecology
Battin, Tom J.;  River Ecosystems Laboratory, Alpine and Polar Environmental Research Center, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
External co-authors :
yes
Language :
English
Title :
Cross-domain interactions confer stability to benthic biofilms in proglacial streams
Publication date :
11 January 2024
Journal title :
Frontiers in Microbiomes
ISSN :
2813-4338
eISSN :
2813-4338
Publisher :
Frontiers Media SA
Volume :
2
Peer reviewed :
Peer reviewed
Funders :
SNSF - Swiss National Science Foundation
Funding number :
CRSII5_180241
Funding text :
The author(s) declare financial support was received for the research, authorship, and/or publication of this article. Funding was provided by the Swiss National Science Foundation grant (CRSII5_180241) to TB, SL and PW. Acknowledgments
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