Angiosperm symbioses with non‐mycorrhizal fungal partners enhance N acquisition from ancient organic matter in a warming maritime Antarctic
Abstract In contrast to the situation in plants inhabiting most of the world’s ecosystems, mycorrhizal fungi are usually absent from roots of the only two native vascular plant species of maritime Antarctica, Deschampsia antarctica and Colobanthus quitensis . Instead, a range of ascomycete fungi, te...
Published in: | Ecology Letters |
---|---|
Main Authors: | , , , , , , , , , , , , , , , , , |
Other Authors: | , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
Wiley
2019
|
Subjects: | |
Online Access: | http://dx.doi.org/10.1111/ele.13399 https://onlinelibrary.wiley.com/doi/pdf/10.1111/ele.13399 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/ele.13399 |
id |
crwiley:10.1111/ele.13399 |
---|---|
record_format |
openpolar |
spelling |
crwiley:10.1111/ele.13399 2024-09-09T19:07:44+00:00 Angiosperm symbioses with non‐mycorrhizal fungal partners enhance N acquisition from ancient organic matter in a warming maritime Antarctic Hill, Paul W. Broughton, Richard Bougoure, Jeremy Havelange, William Newsham, Kevin K. Grant, Helen Murphy, Daniel V. Clode, Peta Ramayah, Soshila Marsden, Karina A. Quilliam, Richard S. Roberts, Paula Brown, Caley Read, David J. Deluca, Thomas H. Bardgett, Richard D. Hopkins, David W. Jones, Davey L. Knops, Johannes British Antarctic Survey University of Western Australia Natural Environment Research Council 2019 http://dx.doi.org/10.1111/ele.13399 https://onlinelibrary.wiley.com/doi/pdf/10.1111/ele.13399 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/ele.13399 en eng Wiley http://creativecommons.org/licenses/by/4.0/ Ecology Letters volume 22, issue 12, page 2111-2119 ISSN 1461-023X 1461-0248 journal-article 2019 crwiley https://doi.org/10.1111/ele.13399 2024-08-13T04:17:51Z Abstract In contrast to the situation in plants inhabiting most of the world’s ecosystems, mycorrhizal fungi are usually absent from roots of the only two native vascular plant species of maritime Antarctica, Deschampsia antarctica and Colobanthus quitensis . Instead, a range of ascomycete fungi, termed dark septate endophytes (DSEs), frequently colonise the roots of these plant species. We demonstrate that colonisation of Antarctic vascular plants by DSEs facilitates not only the acquisition of organic nitrogen as early protein breakdown products, but also as non‐proteinaceous d ‐amino acids and their short peptides, accumulated in slowly‐decomposing organic matter, such as moss peat. Our findings suggest that, in a warming maritime Antarctic, this symbiosis has a key role in accelerating the replacement of formerly dominant moss communities by vascular plants, and in increasing the rate at which ancient carbon stores laid down as moss peat over centuries or millennia are returned to the atmosphere as CO 2 . Article in Journal/Newspaper Antarc* Antarctic Antarctica Wiley Online Library Antarctic Ecology Letters 22 12 2111 2119 |
institution |
Open Polar |
collection |
Wiley Online Library |
op_collection_id |
crwiley |
language |
English |
description |
Abstract In contrast to the situation in plants inhabiting most of the world’s ecosystems, mycorrhizal fungi are usually absent from roots of the only two native vascular plant species of maritime Antarctica, Deschampsia antarctica and Colobanthus quitensis . Instead, a range of ascomycete fungi, termed dark septate endophytes (DSEs), frequently colonise the roots of these plant species. We demonstrate that colonisation of Antarctic vascular plants by DSEs facilitates not only the acquisition of organic nitrogen as early protein breakdown products, but also as non‐proteinaceous d ‐amino acids and their short peptides, accumulated in slowly‐decomposing organic matter, such as moss peat. Our findings suggest that, in a warming maritime Antarctic, this symbiosis has a key role in accelerating the replacement of formerly dominant moss communities by vascular plants, and in increasing the rate at which ancient carbon stores laid down as moss peat over centuries or millennia are returned to the atmosphere as CO 2 . |
author2 |
Knops, Johannes British Antarctic Survey University of Western Australia Natural Environment Research Council |
format |
Article in Journal/Newspaper |
author |
Hill, Paul W. Broughton, Richard Bougoure, Jeremy Havelange, William Newsham, Kevin K. Grant, Helen Murphy, Daniel V. Clode, Peta Ramayah, Soshila Marsden, Karina A. Quilliam, Richard S. Roberts, Paula Brown, Caley Read, David J. Deluca, Thomas H. Bardgett, Richard D. Hopkins, David W. Jones, Davey L. |
spellingShingle |
Hill, Paul W. Broughton, Richard Bougoure, Jeremy Havelange, William Newsham, Kevin K. Grant, Helen Murphy, Daniel V. Clode, Peta Ramayah, Soshila Marsden, Karina A. Quilliam, Richard S. Roberts, Paula Brown, Caley Read, David J. Deluca, Thomas H. Bardgett, Richard D. Hopkins, David W. Jones, Davey L. Angiosperm symbioses with non‐mycorrhizal fungal partners enhance N acquisition from ancient organic matter in a warming maritime Antarctic |
author_facet |
Hill, Paul W. Broughton, Richard Bougoure, Jeremy Havelange, William Newsham, Kevin K. Grant, Helen Murphy, Daniel V. Clode, Peta Ramayah, Soshila Marsden, Karina A. Quilliam, Richard S. Roberts, Paula Brown, Caley Read, David J. Deluca, Thomas H. Bardgett, Richard D. Hopkins, David W. Jones, Davey L. |
author_sort |
Hill, Paul W. |
title |
Angiosperm symbioses with non‐mycorrhizal fungal partners enhance N acquisition from ancient organic matter in a warming maritime Antarctic |
title_short |
Angiosperm symbioses with non‐mycorrhizal fungal partners enhance N acquisition from ancient organic matter in a warming maritime Antarctic |
title_full |
Angiosperm symbioses with non‐mycorrhizal fungal partners enhance N acquisition from ancient organic matter in a warming maritime Antarctic |
title_fullStr |
Angiosperm symbioses with non‐mycorrhizal fungal partners enhance N acquisition from ancient organic matter in a warming maritime Antarctic |
title_full_unstemmed |
Angiosperm symbioses with non‐mycorrhizal fungal partners enhance N acquisition from ancient organic matter in a warming maritime Antarctic |
title_sort |
angiosperm symbioses with non‐mycorrhizal fungal partners enhance n acquisition from ancient organic matter in a warming maritime antarctic |
publisher |
Wiley |
publishDate |
2019 |
url |
http://dx.doi.org/10.1111/ele.13399 https://onlinelibrary.wiley.com/doi/pdf/10.1111/ele.13399 https://onlinelibrary.wiley.com/doi/full-xml/10.1111/ele.13399 |
geographic |
Antarctic |
geographic_facet |
Antarctic |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_source |
Ecology Letters volume 22, issue 12, page 2111-2119 ISSN 1461-023X 1461-0248 |
op_rights |
http://creativecommons.org/licenses/by/4.0/ |
op_doi |
https://doi.org/10.1111/ele.13399 |
container_title |
Ecology Letters |
container_volume |
22 |
container_issue |
12 |
container_start_page |
2111 |
op_container_end_page |
2119 |
_version_ |
1809821957814747136 |