Mediterranean pine forest decline: A matter of root-associated microbiota and climate change
12 Pág.
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| Language: | English |
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Elsevier
2024-05-20
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| Subjects: | Pathogen detection, Phytoplasmas, Pine forest decay, Rhizosphere microbiota, Root endosphere microbiota, Sierra Nevada National Park, |
| Online Access: | http://hdl.handle.net/10261/358177 https://api.elsevier.com/content/abstract/scopus_id/85188924669 |
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dig-inia-es-10261-3581772024-05-23T20:38:27Z Mediterranean pine forest decline: A matter of root-associated microbiota and climate change Lasa, Ana V. Fernández-González, Antonio José Villadas, Pablo J. Mercado-Blanco, Jesús Pérez-Luque, A. J. Fernández-López, Manuel Ministerio de Ciencia e Innovación (España) European Commission Lasa, Ana V. [0000-0003-3783-7157] Fernández-González, Antonio José [0000-0002-8781-8133] Villadas, Pablo J. [0000-0001-8662-8883] Mercado-Blanco, Jesús [0000-0003-1895-5895] Pérez-Luque, A. J. [0000-0002-1747-0469] Fernández-López, Manuel [0000-0003-2366-6908] Pathogen detection Phytoplasmas Pine forest decay Rhizosphere microbiota Root endosphere microbiota Sierra Nevada National Park 12 Pág. Forest ecosystems worldwide currently face worrying episodes of forest decline, which have boosted weakening and mortality of the trees. In the Mediterranean region, especially in the southeast Iberian Peninsula, Pinus sylvestris forests are severely affected by this phenomenon, and it has been commonly attributed to drought events. Remarkably, the role of root microbiota on pine decline has been overlooked and remains unclear. We therefore used metabarcoding to identify the belowground microbial communities of decline-affected and unaffected pine trees. Taxonomic composition of bacterial and fungal rhizosphere communities, and fungal populations dwelling in root endosphere showed different profiles depending on the health status of the trees. The root endosphere of asymptomatic trees was as strongly dominated by 'Candidatus Phytoplasma pini' as the root of decline-affected pines, accounting for >99 % of the total bacterial sequences in some samples. Notwithstanding, the titer of this phytopathogen was four-fold higher in symptomatic trees than in symptomless ones. Furthermore, the microbiota inhabiting the root endosphere of decline-affected trees assembled into a less complex and more modularized network. Thus, the observed changes in the microbial communities could be a cause or a consequence of forest decline phenomenon. Moreover, 'Ca. Phytoplasma pini' is positively correlated to Pinus sylvestris decline events, either as the primary cause of pine decline or as an opportunistic pathogen exacerbating the process once the tree has been weaken by other factors. This work was supported by the MICINN through European Regional Development Fund [SUMHAL, LIFEWATCH-2019-09-CSIC-13, POPE 2014-2020]. AJPL is currently funded by MCIN/AEI/10.13039/501100011033 and by “European Union NextGenerationEU/PRTR” with a “Juan de la Cierva” fellowship programme (Grant JDC2022-050056-I). We want to thank Dr. J. Sabaté for helping us with his knowledge on phytoplasmas. Peer reviewed 2024-05-23T11:03:19Z 2024-05-23T11:03:19Z 2024-05-20 artículo Science of the Total Environment 926: e171858 (2024) 0048-9697 http://hdl.handle.net/10261/358177 10.1016/j.scitotenv.2024.171858 1879-1026 38522529 2-s2.0-85188924669 https://api.elsevier.com/content/abstract/scopus_id/85188924669 en #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/MICINN//JDC2022-050056-I Instituto de Ciencias Forestales (ICIFOR) Publisher's version https://doi.org/10.1016/j.scitotenv.2024.171858 Sí open application/pdf Elsevier |
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Pathogen detection Phytoplasmas Pine forest decay Rhizosphere microbiota Root endosphere microbiota Sierra Nevada National Park Pathogen detection Phytoplasmas Pine forest decay Rhizosphere microbiota Root endosphere microbiota Sierra Nevada National Park |
| spellingShingle |
Pathogen detection Phytoplasmas Pine forest decay Rhizosphere microbiota Root endosphere microbiota Sierra Nevada National Park Pathogen detection Phytoplasmas Pine forest decay Rhizosphere microbiota Root endosphere microbiota Sierra Nevada National Park Lasa, Ana V. Fernández-González, Antonio José Villadas, Pablo J. Mercado-Blanco, Jesús Pérez-Luque, A. J. Fernández-López, Manuel Mediterranean pine forest decline: A matter of root-associated microbiota and climate change |
| description |
12 Pág. |
| author2 |
Ministerio de Ciencia e Innovación (España) |
| author_facet |
Ministerio de Ciencia e Innovación (España) Lasa, Ana V. Fernández-González, Antonio José Villadas, Pablo J. Mercado-Blanco, Jesús Pérez-Luque, A. J. Fernández-López, Manuel |
| format |
artículo |
| topic_facet |
Pathogen detection Phytoplasmas Pine forest decay Rhizosphere microbiota Root endosphere microbiota Sierra Nevada National Park |
| author |
Lasa, Ana V. Fernández-González, Antonio José Villadas, Pablo J. Mercado-Blanco, Jesús Pérez-Luque, A. J. Fernández-López, Manuel |
| author_sort |
Lasa, Ana V. |
| title |
Mediterranean pine forest decline: A matter of root-associated microbiota and climate change |
| title_short |
Mediterranean pine forest decline: A matter of root-associated microbiota and climate change |
| title_full |
Mediterranean pine forest decline: A matter of root-associated microbiota and climate change |
| title_fullStr |
Mediterranean pine forest decline: A matter of root-associated microbiota and climate change |
| title_full_unstemmed |
Mediterranean pine forest decline: A matter of root-associated microbiota and climate change |
| title_sort |
mediterranean pine forest decline: a matter of root-associated microbiota and climate change |
| publisher |
Elsevier |
| publishDate |
2024-05-20 |
| url |
http://hdl.handle.net/10261/358177 https://api.elsevier.com/content/abstract/scopus_id/85188924669 |
| work_keys_str_mv |
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