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A multi-omics approach to unravel the interaction between heat and drought stress in the holobiont.
Front Plant Sci
December 2024
Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, Piacenza, Italy.
The impact of combined heat and drought stress was investigated in and compared to individual stresses to reveal additive effects and interactions. A combination of plant metabolomics and root and rhizosphere bacterial metabarcoding were used to unravel effects at the plant holobiont level. Hierarchical cluster analysis of metabolomics signatures pointed out two main clusters, one including heat and combined heat and drought, and the second cluster that included the control and drought treatments.
View Article and Find Full Text PDFAssessment of N-related microbial processes in the soil of the Polesie National Park and adjacent areas, including reclaimed land.
J Environ Manage
January 2025
Department of Zoology and Animal Ecology, University of Life Sciences in Lublin, Akademicka 13, 20-950, Lublin, Poland.
Soil microorganisms are essential for maintaining ecosystem functionality, particularly through their role in the nitrogen (N) biogeochemical cycle. Thus, they also contribute to greenhouse gas emissions from soils. Microorganisms are sensitive indicators of soil health, as they respond rapidly to disturbances caused by factors like unsustainable agricultural practices or industrial activities, such as mining.
View Article and Find Full Text PDFPlant Species Richness and the Root Economics Space Drive Soil Fungal Communities.
Ecol Lett
January 2025
Systematic Botany and Functional Biodiversity, Institute of Biology, Leipzig University, Leipzig, Germany.
Trait-based approaches have been increasingly used to relate plants to soil microbial communities. Using the recently described root economics space as an approach to explain the structure of soil-borne fungal communities, our study in a grassland diversity experiment reveals distinct root trait strategies at the plant community level. In addition to significant effects of plant species richness, we show that the collaboration and conservation gradient are strong drivers of the composition of the different guilds of soil fungi.
View Article and Find Full Text PDFRecovery Following Recurrent Fires Across Mediterranean Ecosystems.
Glob Chang Biol
December 2024
Faculdade de Ciências, Instituto Dom Luiz, Universidade de Lisboa, Lisbon, Portugal.
In fire-prone regions such as the Mediterranean biome, fire seasons are becoming longer, and fires are becoming more frequent and severe. Post-fire recovery dynamics is a key component of ecosystem resilience and stability. Even though Mediterranean ecosystems can tolerate high exposure to extreme temperatures and recover from fire, changes in climate conditions and fire intensity or frequency might contribute to loss of ecosystem resilience and increase the potential for irreversible changes in vegetation communities.
View Article and Find Full Text PDFNitrogen Deposition Weakens Soil Carbon Control of Nitrogen Dynamics Across the Contiguous United States.
Glob Chang Biol
December 2024
Stockbridge School of Agriculture, University of Massachusetts Amherst, Amherst, Massachusetts, USA.
Anthropogenic nitrogen (N) deposition is unequally distributed across space and time, with inputs to terrestrial ecosystems impacted by industry regulations and variations in human activity. Soil carbon (C) content normally controls the fraction of mineralized N that is nitrified (ƒ), affecting N bioavailability for plants and microbes. However, it is unknown whether N deposition has modified the relationships among soil C, net N mineralization, and net nitrification.
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