Massimo Bourquin

Vegetation cover shapes community structure and metabolic genetic potential of high- alpine soil microbiomes

Laureen S. Ahlers, Massimo Bourquin, Eduard Vico-Oton, Gordanna Pistoletti Blanchet et autres

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Soil microbial diversity, succession, and greenhouse gas cycling across a Greenlandic glacial chronosequence

Grace Marsh, Massimo Bourquin, Alanna Leale, Lisa Bröder et autres

Accelerated glacial retreat in Greenland drives increased development of glacial outwash plains. These newly exposed landscapes provide an opportunity to study microbial dynamics during soil development. We explore soil microbial diversity, community assembly, and biogeochemical cycling across the Kiattuut Sermiat glacial chronosequence …

Ancient but dynamic: structural expansion, massive gene duplication, and transposable element colonization in a supergene controlling ant social organization

Hélène Boulain, Riddhi Deshmukh, Amaury Avril, Pierre Blacher et autres

Supergenes are clusters of linked loci that underlie complex alternative phenotypes, such as colony social organization in ants. In many species of the genus Formica, a 30 million-year-old supergene determines whether colonies have one queen (monogyny) or multiple queens (polygyny), yet the …

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Soil microbial diversity, succession, and greenhouse gas cycling across a Greenlandic glacial chronosequence

G. Alex. Marsh, Massimo Bourquin, Alanna Leale, Lisa Bröder et autres

Accelerated glacial retreat in Greenland drives increased development of glacial outwash plains. These newly exposed landscapes provide an opportunity to study microbial dynamics during soil development. We explore soil microbial diversity, community assembly, and biogeochemical cycling across the Kiattuut Sermiat glacial chronosequence …

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Seasonal and experimental warming alter alpine soil microbiomes and in-situ CO2 and CH4 fluxes

Laureen S Ahlers, Massimo Bourquin, Eduard Vico Oton, Beat Frey et autres

Alpine ecosystems are highly vulnerable to climate change, yet the effects of warming on high-altitude soils remain largely unexplored. In particular, it is unclear how soil microbial communities will adapt to rising temperatures and how this will influence greenhouse gas (GHG) fluxes, …

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Author Correction: Global emergent responses of stream microbial energetics to glacier shrinkage

Tyler J. Kohler, Massimo Bourquin, Hannes Peter, Gabriel Yvon‐Durocher et autres

In the version of the article originally published, equations for threshold elemental ratios (TER C:N and TER C:P, eqs. 1 and 2) were incorrectly written, with the enzyme ratio in the numerators ( \(\frac{{\rm{BG}}+{\rm{LAP}}}{{\rm{LAP}}+{\rm{NAG}}}\) and \(\frac{{\rm{BG}}+{\rm{LAP}}}{\rm{AP}}\) ) being divided by the biomass …

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Glacier influence shapes the genomic architecture of the downstream aquatic microbiome

Massimo Bourquin, Hannes Peter, Grégoire Michoud, Aileen U. Geers et autres

The factors and processes that shape microbial genomes and determine the success of microbes in different environments have long attracted scientific interest. Here, leveraging 2855 metagenome-assembled genomes (MAGs) sampled by the Vanishing Glacier Projectfrom glacier-fed streams (GFSs), we shed light on the …

Glacier-fed stream diatoms (Bacillariophyta) from the Rwenzori Mountains, Uganda, with the description of one new species from the genus Neidium

Hristina Kochoska, Jan Kollár, Kateřina Kopalová, Michael Styllas et autres

Glacier-fed streams (GFSs) are harsh environments hosting unique, highly specialized communities. Interestingly, glaciers and their GFSs are also present in Earth’s tropical regions, where environmental characteristics contrast with GFS conditions elsewhere. Yet, despite the unique and isolated nature of tropical GFSs, little …

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Predicting climate-change impacts on the global glacier-fed stream microbiome

Massimo Bourquin, Hannes Peter, Grégoire Michoud, Susheel Bhanu Busi et autres

The shrinkage of glaciers and the vanishing of glacier-fed streams (GFSs) are emblematic of climate change. However, forecasts of how GFS microbiome structure and function will change under projected climate change scenarios are lacking. Combining 2,333 prokaryotic metagenome-assembled genomes with climatic, glaciological, …

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Mapping the metagenomic diversity of the multi-kingdom glacier-fed stream microbiome

Grégoire Michoud, Hannes Peter, Susheel Bhanu Busi, Massimo Bourquin et autres

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Diversity and biogeography of the bacterial microbiome in glacier-fed streams

Leïla Ezzat, Hannes Peter, Massimo Bourquin, Susheel Bhanu Busi et autres

The rapid melting of mountain glaciers and the vanishing of their streams is emblematic of climate change1,2. Glacier-fed streams (GFSs) are cold, oligotrophic and unstable ecosystems in which life is dominated by microbial biofilms2,3. However, current knowledge on the GFS microbiome is …

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Glacier influence shapes the genomic architecture of the downstream aquatic microbiome

Massimo Bourquin, Hannes Peter, Grégoire Michoud, Aileen U. Geers et autres

Abstract The factors and processes that shape microbial genomes and determine the success of microbes in different environments have long attracted scientific interest. Here, leveraging 2855 metagenome-assembled genomes sampled by the Vanishing Glacier Project from glacier-fed streams (GFSs), we shed light on …

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