Dynamic trophic shifts in bacterial and eukaryotic communities during the first 30 years of microbial succession following retreat of an Antarctic glacier
Abstract We examined microbial succession along a glacier forefront in the Antarctic Peninsula representing ∼30 years of deglaciation to contrast bacterial and eukaryotic successional dynamics and abiotic drivers of community assembly using sequencing and soil properties. Microbial communities chang...
Published in: | FEMS Microbiology Ecology |
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Oxford University Press (OUP)
2022
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croxfordunivpr:10.1093/femsec/fiac122 2024-04-28T08:00:31+00:00 Dynamic trophic shifts in bacterial and eukaryotic communities during the first 30 years of microbial succession following retreat of an Antarctic glacier Vimercati, Lara Bueno de Mesquita, Clifton P Johnson, Ben W Mineart, Dana DeForce, Emelia Vimercati Molano, Ylenia Ducklow, Hugh Schmidt, Steven K 2022 http://dx.doi.org/10.1093/femsec/fiac122 https://academic.oup.com/femsec/advance-article-pdf/doi/10.1093/femsec/fiac122/46545686/fiac122.pdf https://academic.oup.com/femsec/article-pdf/98/12/fiac122/48516395/fiac122.pdf en eng Oxford University Press (OUP) https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model FEMS Microbiology Ecology volume 98, issue 12 ISSN 1574-6941 Applied Microbiology and Biotechnology Ecology Microbiology journal-article 2022 croxfordunivpr https://doi.org/10.1093/femsec/fiac122 2024-04-02T08:03:24Z Abstract We examined microbial succession along a glacier forefront in the Antarctic Peninsula representing ∼30 years of deglaciation to contrast bacterial and eukaryotic successional dynamics and abiotic drivers of community assembly using sequencing and soil properties. Microbial communities changed most rapidly early along the chronosequence, and co-occurrence network analysis showed the most complex topology at the earliest stage. Initial microbial communities were dominated by microorganisms derived from the glacial environment, whereas later stages hosted a mixed community of taxa associated with soils. Eukaryotes became increasingly dominated by Cercozoa, particularly Vampyrellidae, indicating a previously unappreciated role for cercozoan predators during early stages of primary succession. Chlorophytes and Charophytes (rather than cyanobacteria) were the dominant primary producers and there was a spatio-temporal sequence in which major groups became abundant succeeding from simple ice Chlorophytes to Ochrophytes and Bryophytes. Time since deglaciation and pH were the main abiotic drivers structuring both bacterial and eukaryotic communities. Determinism was the dominant assembly mechanism for Bacteria, while the balance between stochastic/deterministic processes in eukaryotes varied along the distance from the glacier front. This study provides new insights into the unexpected dynamic changes and interactions across multiple trophic groups during primary succession in a rapidly changing polar ecosystem. Article in Journal/Newspaper Antarc* Antarctic Antarctic Peninsula Oxford University Press FEMS Microbiology Ecology 98 12 |
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Open Polar |
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Oxford University Press |
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croxfordunivpr |
language |
English |
topic |
Applied Microbiology and Biotechnology Ecology Microbiology |
spellingShingle |
Applied Microbiology and Biotechnology Ecology Microbiology Vimercati, Lara Bueno de Mesquita, Clifton P Johnson, Ben W Mineart, Dana DeForce, Emelia Vimercati Molano, Ylenia Ducklow, Hugh Schmidt, Steven K Dynamic trophic shifts in bacterial and eukaryotic communities during the first 30 years of microbial succession following retreat of an Antarctic glacier |
topic_facet |
Applied Microbiology and Biotechnology Ecology Microbiology |
description |
Abstract We examined microbial succession along a glacier forefront in the Antarctic Peninsula representing ∼30 years of deglaciation to contrast bacterial and eukaryotic successional dynamics and abiotic drivers of community assembly using sequencing and soil properties. Microbial communities changed most rapidly early along the chronosequence, and co-occurrence network analysis showed the most complex topology at the earliest stage. Initial microbial communities were dominated by microorganisms derived from the glacial environment, whereas later stages hosted a mixed community of taxa associated with soils. Eukaryotes became increasingly dominated by Cercozoa, particularly Vampyrellidae, indicating a previously unappreciated role for cercozoan predators during early stages of primary succession. Chlorophytes and Charophytes (rather than cyanobacteria) were the dominant primary producers and there was a spatio-temporal sequence in which major groups became abundant succeeding from simple ice Chlorophytes to Ochrophytes and Bryophytes. Time since deglaciation and pH were the main abiotic drivers structuring both bacterial and eukaryotic communities. Determinism was the dominant assembly mechanism for Bacteria, while the balance between stochastic/deterministic processes in eukaryotes varied along the distance from the glacier front. This study provides new insights into the unexpected dynamic changes and interactions across multiple trophic groups during primary succession in a rapidly changing polar ecosystem. |
format |
Article in Journal/Newspaper |
author |
Vimercati, Lara Bueno de Mesquita, Clifton P Johnson, Ben W Mineart, Dana DeForce, Emelia Vimercati Molano, Ylenia Ducklow, Hugh Schmidt, Steven K |
author_facet |
Vimercati, Lara Bueno de Mesquita, Clifton P Johnson, Ben W Mineart, Dana DeForce, Emelia Vimercati Molano, Ylenia Ducklow, Hugh Schmidt, Steven K |
author_sort |
Vimercati, Lara |
title |
Dynamic trophic shifts in bacterial and eukaryotic communities during the first 30 years of microbial succession following retreat of an Antarctic glacier |
title_short |
Dynamic trophic shifts in bacterial and eukaryotic communities during the first 30 years of microbial succession following retreat of an Antarctic glacier |
title_full |
Dynamic trophic shifts in bacterial and eukaryotic communities during the first 30 years of microbial succession following retreat of an Antarctic glacier |
title_fullStr |
Dynamic trophic shifts in bacterial and eukaryotic communities during the first 30 years of microbial succession following retreat of an Antarctic glacier |
title_full_unstemmed |
Dynamic trophic shifts in bacterial and eukaryotic communities during the first 30 years of microbial succession following retreat of an Antarctic glacier |
title_sort |
dynamic trophic shifts in bacterial and eukaryotic communities during the first 30 years of microbial succession following retreat of an antarctic glacier |
publisher |
Oxford University Press (OUP) |
publishDate |
2022 |
url |
http://dx.doi.org/10.1093/femsec/fiac122 https://academic.oup.com/femsec/advance-article-pdf/doi/10.1093/femsec/fiac122/46545686/fiac122.pdf https://academic.oup.com/femsec/article-pdf/98/12/fiac122/48516395/fiac122.pdf |
genre |
Antarc* Antarctic Antarctic Peninsula |
genre_facet |
Antarc* Antarctic Antarctic Peninsula |
op_source |
FEMS Microbiology Ecology volume 98, issue 12 ISSN 1574-6941 |
op_rights |
https://academic.oup.com/journals/pages/open_access/funder_policies/chorus/standard_publication_model |
op_doi |
https://doi.org/10.1093/femsec/fiac122 |
container_title |
FEMS Microbiology Ecology |
container_volume |
98 |
container_issue |
12 |
_version_ |
1797572702177853440 |