Fungal Endophytes Enhance the Photoprotective Mechanisms and Photochemical Efficiency in the Antarctic Colobanthus quitensis (Kunth) Bartl. Exposed to UV-B Radiation
Antarctic plants have developed mechanisms to deal with one or more adverse factors which allow them to successfully survive such extreme environment. Certain effective mechanisms to face adverse stress factors can arise from the establishment of functional symbiosis with endophytic fungi. In this w...
Published in: | Frontiers in Ecology and Evolution |
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Language: | English |
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2024
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Online Access: | https://repositorio.uc.cl/handle/11534/77152 https://doi.org/10.3389/fevo.2020.00122 |
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ftpunivcchile:oai:repositorio.uc.cl:11534/77152 2024-06-23T07:47:28+00:00 Fungal Endophytes Enhance the Photoprotective Mechanisms and Photochemical Efficiency in the Antarctic Colobanthus quitensis (Kunth) Bartl. Exposed to UV-B Radiation Barrera, Andrea Hereme, Rasme Ruiz Lara, Simon Larrondo, Luis F. Gundel, Pedro E. Pollmann, Stephan Molina Montenegro, Marco A. Ramos, Patricio 2024-01-10T12:39:09Z 13 páginas application/pdf https://repositorio.uc.cl/handle/11534/77152 https://doi.org/10.3389/fevo.2020.00122 en eng FRONTIERS MEDIA SA doi:10.3389/fevo.2020.00122 2296-701X https://doi.org/10.3389/fevo.2020.00122 https://repositorio.uc.cl/handle/11534/77152 WOS:000536648600001 acceso abierto UV-B stress Antarctica Colobanthus quitensis molecular response flavonols fungal endophytes ULTRAVIOLET-RADIATION PIRIFORMOSPORA INDICA ANTIOXIDANT ENZYMES DROUGHT TOLERANCE GENE-EXPRESSION BIOSYNTHESIS PLANTS L ACCUMULATION PERFORMANCE 13 Climate Action 13 Acción por el clima artículo 2024 ftpunivcchile https://doi.org/10.3389/fevo.2020.00122 2024-06-11T14:12:14Z Antarctic plants have developed mechanisms to deal with one or more adverse factors which allow them to successfully survive such extreme environment. Certain effective mechanisms to face adverse stress factors can arise from the establishment of functional symbiosis with endophytic fungi. In this work, we explored the role of fungal endophytes on host plant performance under high level of UV-B radiation, a harmful factor known to damage structure and function of cell components. In order to unveil the underlying mechanisms, we characterized the expression of genes associated to UV-B photoreception, accumulation of key flavonoids, and physiological responses of Colobanthus quitensis plants with (E+) and without (E-) fungal endophytes, under contrasting levels of UV-B radiation. The deduced proteins of CqUVR8, CqHY5, and CqFLS share the characteristic domains and display high degrees of similarity with other corresponding proteins in plants. Endophyte symbiotic plants showed lower lipid peroxidation and higher photosynthesis efficiency under high UV-B radiation. In comparison with E-, E+ plants showed lower CqUVR8, CqHY5, and CqFLS transcript levels. The content of quercetin, a ROS-scavenger flavonoid, in leaves of E- plants exposed to high UV-B was almost 8-fold higher than that in E+ plants 48 h after treatment. Our results suggest that endophyte fungi minimize cell damage and boost physiological performance in the Antarctic plants increasing the tolerance to UV-B radiation. Fungal endophytes appear as fundamental biological partners for plants to cope with the highly damaging UV-B radiation of Antarctica. Chilean Antarctic Institute (INACH) FONDECYT REDES from Conicyt Article in Journal/Newspaper Antarc* Antarctic Antarctica Pontificia Universidad Católica de Chile: Repositorio UC Antarctic The Antarctic Inach ENVELOPE(-60.783,-60.783,-62.467,-62.467) Frontiers in Ecology and Evolution 8 |
institution |
Open Polar |
collection |
Pontificia Universidad Católica de Chile: Repositorio UC |
op_collection_id |
ftpunivcchile |
language |
English |
topic |
UV-B stress Antarctica Colobanthus quitensis molecular response flavonols fungal endophytes ULTRAVIOLET-RADIATION PIRIFORMOSPORA INDICA ANTIOXIDANT ENZYMES DROUGHT TOLERANCE GENE-EXPRESSION BIOSYNTHESIS PLANTS L ACCUMULATION PERFORMANCE 13 Climate Action 13 Acción por el clima |
spellingShingle |
UV-B stress Antarctica Colobanthus quitensis molecular response flavonols fungal endophytes ULTRAVIOLET-RADIATION PIRIFORMOSPORA INDICA ANTIOXIDANT ENZYMES DROUGHT TOLERANCE GENE-EXPRESSION BIOSYNTHESIS PLANTS L ACCUMULATION PERFORMANCE 13 Climate Action 13 Acción por el clima Barrera, Andrea Hereme, Rasme Ruiz Lara, Simon Larrondo, Luis F. Gundel, Pedro E. Pollmann, Stephan Molina Montenegro, Marco A. Ramos, Patricio Fungal Endophytes Enhance the Photoprotective Mechanisms and Photochemical Efficiency in the Antarctic Colobanthus quitensis (Kunth) Bartl. Exposed to UV-B Radiation |
topic_facet |
UV-B stress Antarctica Colobanthus quitensis molecular response flavonols fungal endophytes ULTRAVIOLET-RADIATION PIRIFORMOSPORA INDICA ANTIOXIDANT ENZYMES DROUGHT TOLERANCE GENE-EXPRESSION BIOSYNTHESIS PLANTS L ACCUMULATION PERFORMANCE 13 Climate Action 13 Acción por el clima |
description |
Antarctic plants have developed mechanisms to deal with one or more adverse factors which allow them to successfully survive such extreme environment. Certain effective mechanisms to face adverse stress factors can arise from the establishment of functional symbiosis with endophytic fungi. In this work, we explored the role of fungal endophytes on host plant performance under high level of UV-B radiation, a harmful factor known to damage structure and function of cell components. In order to unveil the underlying mechanisms, we characterized the expression of genes associated to UV-B photoreception, accumulation of key flavonoids, and physiological responses of Colobanthus quitensis plants with (E+) and without (E-) fungal endophytes, under contrasting levels of UV-B radiation. The deduced proteins of CqUVR8, CqHY5, and CqFLS share the characteristic domains and display high degrees of similarity with other corresponding proteins in plants. Endophyte symbiotic plants showed lower lipid peroxidation and higher photosynthesis efficiency under high UV-B radiation. In comparison with E-, E+ plants showed lower CqUVR8, CqHY5, and CqFLS transcript levels. The content of quercetin, a ROS-scavenger flavonoid, in leaves of E- plants exposed to high UV-B was almost 8-fold higher than that in E+ plants 48 h after treatment. Our results suggest that endophyte fungi minimize cell damage and boost physiological performance in the Antarctic plants increasing the tolerance to UV-B radiation. Fungal endophytes appear as fundamental biological partners for plants to cope with the highly damaging UV-B radiation of Antarctica. Chilean Antarctic Institute (INACH) FONDECYT REDES from Conicyt |
format |
Article in Journal/Newspaper |
author |
Barrera, Andrea Hereme, Rasme Ruiz Lara, Simon Larrondo, Luis F. Gundel, Pedro E. Pollmann, Stephan Molina Montenegro, Marco A. Ramos, Patricio |
author_facet |
Barrera, Andrea Hereme, Rasme Ruiz Lara, Simon Larrondo, Luis F. Gundel, Pedro E. Pollmann, Stephan Molina Montenegro, Marco A. Ramos, Patricio |
author_sort |
Barrera, Andrea |
title |
Fungal Endophytes Enhance the Photoprotective Mechanisms and Photochemical Efficiency in the Antarctic Colobanthus quitensis (Kunth) Bartl. Exposed to UV-B Radiation |
title_short |
Fungal Endophytes Enhance the Photoprotective Mechanisms and Photochemical Efficiency in the Antarctic Colobanthus quitensis (Kunth) Bartl. Exposed to UV-B Radiation |
title_full |
Fungal Endophytes Enhance the Photoprotective Mechanisms and Photochemical Efficiency in the Antarctic Colobanthus quitensis (Kunth) Bartl. Exposed to UV-B Radiation |
title_fullStr |
Fungal Endophytes Enhance the Photoprotective Mechanisms and Photochemical Efficiency in the Antarctic Colobanthus quitensis (Kunth) Bartl. Exposed to UV-B Radiation |
title_full_unstemmed |
Fungal Endophytes Enhance the Photoprotective Mechanisms and Photochemical Efficiency in the Antarctic Colobanthus quitensis (Kunth) Bartl. Exposed to UV-B Radiation |
title_sort |
fungal endophytes enhance the photoprotective mechanisms and photochemical efficiency in the antarctic colobanthus quitensis (kunth) bartl. exposed to uv-b radiation |
publisher |
FRONTIERS MEDIA SA |
publishDate |
2024 |
url |
https://repositorio.uc.cl/handle/11534/77152 https://doi.org/10.3389/fevo.2020.00122 |
long_lat |
ENVELOPE(-60.783,-60.783,-62.467,-62.467) |
geographic |
Antarctic The Antarctic Inach |
geographic_facet |
Antarctic The Antarctic Inach |
genre |
Antarc* Antarctic Antarctica |
genre_facet |
Antarc* Antarctic Antarctica |
op_relation |
doi:10.3389/fevo.2020.00122 2296-701X https://doi.org/10.3389/fevo.2020.00122 https://repositorio.uc.cl/handle/11534/77152 WOS:000536648600001 |
op_rights |
acceso abierto |
op_doi |
https://doi.org/10.3389/fevo.2020.00122 |
container_title |
Frontiers in Ecology and Evolution |
container_volume |
8 |
_version_ |
1802651572281278464 |