Dominant plant species play an important role in regulating bacterial antagonism in terrestrial Antarctica.
In Antarctic terrestrial ecosystems, dominant plant species (grasses and mosses) and soil physicochemical properties have a significant influence on soil microbial communities. However, the effects of dominant plants on bacterial antagonistic interactions in Antarctica remain unclear. We hypothesize...
Published in: | Frontiers in Microbiology |
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ftunivlausanne:oai:serval.unil.ch:BIB_3FE446537D64 2024-02-11T09:58:14+01:00 Dominant plant species play an important role in regulating bacterial antagonism in terrestrial Antarctica. Naz, B. Liu, Z. Malard, L.A. Ali, I. Song, H. Wang, Y. Li, X. Usman, M. Liu, K. An, L. Xiao, S. Chen, S. 2023 https://serval.unil.ch/notice/serval:BIB_3FE446537D64 https://doi.org/10.3389/fmicb.2023.1130321 eng eng info:eu-repo/semantics/altIdentifier/doi/10.3389/fmicb.2023.1130321 info:eu-repo/semantics/altIdentifier/pmid/37032907 info:eu-repo/semantics/altIdentifier/pissn/1664-302X https://serval.unil.ch/notice/serval:BIB_3FE446537D64 doi:10.3389/fmicb.2023.1130321 urn:issn:1664-302X Frontiers in microbiology, vol. 14, pp. 1130321 Antarctica bacterial antagonism dominant plants edaphic characteristics structural equation model info:eu-repo/semantics/article article 2023 ftunivlausanne https://doi.org/10.3389/fmicb.2023.1130321 2024-01-22T01:12:18Z In Antarctic terrestrial ecosystems, dominant plant species (grasses and mosses) and soil physicochemical properties have a significant influence on soil microbial communities. However, the effects of dominant plants on bacterial antagonistic interactions in Antarctica remain unclear. We hypothesized that dominant plant species can affect bacterial antagonistic interactions directly and indirectly by inducing alterations in soil physicochemical properties and bacterial abundance. We collected soil samples from two typical dominant plant species; the Antarctic grass Deschampsia antarctica and the Antarctic moss Sanionia uncinata, as well as bulk soil sample, devoid of vegetation. We evaluated bacterial antagonistic interactions, focusing on species from the genera Actinomyces, Bacillus, and Pseudomonas. We also measured soil physicochemical properties and evaluated bacterial abundance and diversity using high-throughput sequencing. Our results suggested that Antarctic dominant plants significantly influenced bacterial antagonistic interactions compared to bulk soils. Using structural equation modelling (SEM), we compared and analyzed the direct effect of grasses and mosses on bacterial antagonistic interactions and the indirect effects through changes in edaphic properties and bacterial abundance. SEMs showed that (1) grasses and mosses had a significant direct influence on bacterial antagonistic interactions; (2) grasses had a strong influence on soil water content, pH, and abundances of Actinomyces and Pseudomonas and (3) mosses influenced bacterial antagonistic interactions by impacting abundances of Actinomyces, Bacillus, and Pseudomonas. This study highlights the role of dominant plants in modulating bacterial antagonistic interactions in Antarctic terrestrial ecosystems. Article in Journal/Newspaper Antarc* Antarctic Antarctica Université de Lausanne (UNIL): Serval - Serveur académique lausannois Antarctic The Antarctic Frontiers in Microbiology 14 |
institution |
Open Polar |
collection |
Université de Lausanne (UNIL): Serval - Serveur académique lausannois |
op_collection_id |
ftunivlausanne |
language |
English |
topic |
Antarctica bacterial antagonism dominant plants edaphic characteristics structural equation model |
spellingShingle |
Antarctica bacterial antagonism dominant plants edaphic characteristics structural equation model Naz, B. Liu, Z. Malard, L.A. Ali, I. Song, H. Wang, Y. Li, X. Usman, M. Liu, K. An, L. Xiao, S. Chen, S. Dominant plant species play an important role in regulating bacterial antagonism in terrestrial Antarctica. |
topic_facet |
Antarctica bacterial antagonism dominant plants edaphic characteristics structural equation model |
description |
In Antarctic terrestrial ecosystems, dominant plant species (grasses and mosses) and soil physicochemical properties have a significant influence on soil microbial communities. However, the effects of dominant plants on bacterial antagonistic interactions in Antarctica remain unclear. We hypothesized that dominant plant species can affect bacterial antagonistic interactions directly and indirectly by inducing alterations in soil physicochemical properties and bacterial abundance. We collected soil samples from two typical dominant plant species; the Antarctic grass Deschampsia antarctica and the Antarctic moss Sanionia uncinata, as well as bulk soil sample, devoid of vegetation. We evaluated bacterial antagonistic interactions, focusing on species from the genera Actinomyces, Bacillus, and Pseudomonas. We also measured soil physicochemical properties and evaluated bacterial abundance and diversity using high-throughput sequencing. Our results suggested that Antarctic dominant plants significantly influenced bacterial antagonistic interactions compared to bulk soils. Using structural equation modelling (SEM), we compared and analyzed the direct effect of grasses and mosses on bacterial antagonistic interactions and the indirect effects through changes in edaphic properties and bacterial abundance. SEMs showed that (1) grasses and mosses had a significant direct influence on bacterial antagonistic interactions; (2) grasses had a strong influence on soil water content, pH, and abundances of Actinomyces and Pseudomonas and (3) mosses influenced bacterial antagonistic interactions by impacting abundances of Actinomyces, Bacillus, and Pseudomonas. This study highlights the role of dominant plants in modulating bacterial antagonistic interactions in Antarctic terrestrial ecosystems. |
format |
Article in Journal/Newspaper |
author |
Naz, B. Liu, Z. Malard, L.A. Ali, I. Song, H. Wang, Y. Li, X. Usman, M. Liu, K. An, L. Xiao, S. Chen, S. |
author_facet |
Naz, B. Liu, Z. Malard, L.A. Ali, I. Song, H. Wang, Y. Li, X. Usman, M. Liu, K. An, L. Xiao, S. Chen, S. |
author_sort |
Naz, B. |
title |
Dominant plant species play an important role in regulating bacterial antagonism in terrestrial Antarctica. |
title_short |
Dominant plant species play an important role in regulating bacterial antagonism in terrestrial Antarctica. |
title_full |
Dominant plant species play an important role in regulating bacterial antagonism in terrestrial Antarctica. |
title_fullStr |
Dominant plant species play an important role in regulating bacterial antagonism in terrestrial Antarctica. |
title_full_unstemmed |
Dominant plant species play an important role in regulating bacterial antagonism in terrestrial Antarctica. |
title_sort |
dominant plant species play an important role in regulating bacterial antagonism in terrestrial antarctica. |
publishDate |
2023 |
url |
https://serval.unil.ch/notice/serval:BIB_3FE446537D64 https://doi.org/10.3389/fmicb.2023.1130321 |
geographic |
Antarctic The Antarctic |
geographic_facet |
Antarctic The Antarctic |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Frontiers in microbiology, vol. 14, pp. 1130321 |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.3389/fmicb.2023.1130321 info:eu-repo/semantics/altIdentifier/pmid/37032907 info:eu-repo/semantics/altIdentifier/pissn/1664-302X https://serval.unil.ch/notice/serval:BIB_3FE446537D64 doi:10.3389/fmicb.2023.1130321 urn:issn:1664-302X |
op_doi |
https://doi.org/10.3389/fmicb.2023.1130321 |
container_title |
Frontiers in Microbiology |
container_volume |
14 |
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1790593835202510848 |