Climate warming dominates over plant genotype in shaping the seasonal trajectory of foliar fungal communities on oak

Faticov, Maria; Abdelfattah, Ahmed; Roslin, Tomas; Vacher, Corinne; Hambäck, Peter A.; Blanchet, F. Guillaume; Lindahl, Björn D.; Tack, Ayco J. M.

doi:10.1111/nph.17434

Cited by 43 publications

(47 citation statements)

References 115 publications

(154 reference statements)

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“…With greenhouse gas emissions, some species will migrate to high latitude or high elevation, while other species maintained the current location by changing physiologically or phenologically ( Zhang et al, 2018 ; Faticov et al, 2021 ). Our prediction showed that the shift of F. cirrhosa from current altitude to higher altitude would become gradually more significant.…”

Section: Discussionmentioning

confidence: 99%

Modeling of the Potential Geographical Distribution of Three Fritillaria Species Under Climate Change

et al. 2022

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Fritillaria species, a well-known Chinese traditional medicine for more than 2,000 years, have become rare resources due to excessive harvesting. In order to balance the economical requirement and ecological protection of Fritillaria species, it is necessary to determine (1) the important environmental variables that were responsible for the spatial distribution, (2) distribution change in response to climate change in the future, (3) ecological niche overlap between various Fritillaria species, and (4) the correlation between spatial distribution and phylogenies as well. In this study, the areas with potential ecological suitability for Fritillaria cirrhosa, Fritillaria unibracteata, and Fritillaria przewalskii were predicted using MaxEnt based on the current occurrence records and bioclimatic variables. The result indicated that precipitation and elevation were the most important environmental variables for the three species. Moreover, the current suitable habitats of F. cirrhosa, F. unibracteata, and F. przewalskii encompassed 681,951, 481,607, and 349,199 km2, respectively. Under the scenario of the highest concentration of greenhouse gas emission (SSP585), the whole suitable habitats of F. cirrhosa and F. przewalskii reach the maximum from 2021 to 2100, while those of F. unibracteata reach the maximum from 2021 to 2100 under the scenario of moderate emission (SSP370) from 2021 to 2100. The MaxEnt data were also used to predict the ecological niche overlap, and thus high overlap occurring among three Fritillaria species was observed. The niche overlap of three Fritillaria species was related to the phylogenetic analysis despite the non-significance (P > 0.05), indicating that spatial distribution was one of the factors that contributed to the speciation diversification. Additionally, we predicted species-specific habitats to decrease habitat competition. Overall, the information obtained in this study provided new insight into the potential distribution and ecological niche of three species for the conservation and management in the future.

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Section: Discussionmentioning

confidence: 99%

Modeling of the Potential Geographical Distribution of Three Fritillaria Species Under Climate Change

et al. 2022

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“…It was also followed by an increase in pathogen occurrence. [ 26 ] Grasslands A decreased ‘drift’ was observed over time, which enhances homogeneous selection that is primarily imposed on Bacillales. [ 27 ] Soil leaf litter layer A short-term adaptation and altered diversity were observed.…”

Section: Resultsmentioning

confidence: 99%

“…In the frame of the SPRUCE macrocosm experiment, Carell et al [ 25 ] deciphered that a microbiome shift in Sphagnum was connected with a decreased diversity of bacteria and diazotrophs as well as a reduced nitrogen fixation rate. Another warming experiment that was carried out under controlled conditions provided clear evidence that the diversity of oak-inhabiting fungi is reduced [ 26 ]. Microbiota shifts and fast selection processes were described in various studies, where the taxonomy of selected species showed variations, but also showed a clear tendency towards pathogens and spore-forming organisms [ 27 ].…”

Section: Resultsmentioning

confidence: 99%

The plant microbiota signature of the Anthropocene as a challenge for microbiome research

Berg

Cernava

2022

Microbiome

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Background One promise of the recently presented microbiome definition suggested that, in combination with unifying concepts and standards, microbiome research could be important for solving new challenges associated with anthropogenic-driven changes in various microbiota. With this commentary we want to further elaborate this suggestion, because we noticed specific signatures in microbiota affected by the Anthropocene. Results Here, we discuss this based on a review of available literature and our own research targeting exemplarily the plant microbiome. It is not only crucial for plants themselves but also linked to planetary health. We suggest that different human activities are commonly linked to a shift of diversity and evenness of the plant microbiota, which is also characterized by a decrease of host specificity, and an increase of r-strategic microbes, pathogens, and hypermutators. The resistome, anchored in the microbiome, follows this shift by an increase of specific antimicrobial resistance (AMR) mechanisms as well as an increase of plasmid-associated resistance genes. This typical microbiome signature of the Anthropocene is often associated with dysbiosis and loss of resilience, and leads to frequent pathogen outbreaks. Although several of these observations are already confirmed by meta-studies, this issue requires more attention in upcoming microbiome studies. Conclusions Our commentary aims to inspire holistic studies for the development of solutions to restore and save microbial diversity for ecosystem functioning as well as the closely connected planetary health.

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“…The foliar endophytic fungal community in Cirsium arvense could be associated with the soil nutrients and arbuscular mycorrhizal (AM) colonization ( Eschen et al, 2010 ), and the latter would be further affected by root exudates, such as methyl salicylic acid and acibenzolar- S -methyl ( Mannaa et al, 2020 ). Furthermore, climate change, such as warming, would decrease fungal species richness and change foliar fungal community composition, especially at the end of the growing season ( Faticov et al, 2021 ). In the case of elevated atmospheric carbon dioxide, the growth of trees would also lead to the changes in the composition of microbial communities that colonize the fallen leaves ( Kelly et al, 2010 ).…”

Section: Introductionmentioning

confidence: 99%

“…Microbial community networks can provide a mechanistic association between species in a specific environment and information on the dynamics of community structure as a function of time or other external variables ( Cardona et al, 2016 ). For example, climate change, such as warming, can significantly increase network complexity, including network size, connectivity, and number of keystone species ( Faticov et al, 2021 ), whereas elevated CO 2 can increase modularity and hierarchy ( Zhou et al, 2010 ). The community assembly of plant-associated microbes may have some differences, such as the rhizosphere microbial networks.…”

Section: Introductionmentioning

confidence: 99%

Influence of Association Network Properties and Ecological Assembly of the Foliar Fugal Community on Crop Quality

Xing

Zhi

et al. 2022

Front. Microbiol.

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Revealing community assembly and their impacts on ecosystem service is a core issue in microbial ecology. However, what ecological factors play dominant roles in phyllosphere fungal community assembly and how they link to crop quality are largely unknown. Here, we applied internal transcriptional spacer high-throughput sequencing to investigate foliar fungal community assembly across three cultivars of a Solanaceae crop (tobacco) and two planting regions with different climatic conditions. Network analyses were used to reveal the pattern in foliar fungal co-occurrence, and phylogenetic null model analysis was used to elucidate the ecological assembly of foliar fungal communities. We found that the sensory quality of crop leaves and the composition of foliar fungal community varied significantly across planting regions and cultivars. In Guangcun (GC), a region with relatively high humidity and low precipitation, there was a higher diversity and more unique fungal species than the region of Wuzhishan (WZS). Further, we found that the association network of foliar fungal communities in GC was more complex than that in WZS, and the network properties were closely related to the sensory quality of crop. Finally, the results of the phylogenetic analyses show that the stochastic processes played important roles in the foliar fungal community assembly, and their relative importance was significantly correlated with the sensory quality of crop leaves, which implies that ecological assembly processes could affect crop quality. Taken together, our results highlight that climatic conditions, and plant cultivars play key roles in the assembly of foliar fungal communities and crop quality, which enhances our understanding of the connections between the phyllosphere microbiome and ecosystem services, especially in agricultural production.

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Climate warming dominates over plant genotype in shaping the seasonal trajectory of foliar fungal communities on oak

Cited by 43 publications

References 115 publications

Modeling of the Potential Geographical Distribution of Three Fritillaria Species Under Climate Change

Modeling of the Potential Geographical Distribution of Three Fritillaria Species Under Climate Change

The plant microbiota signature of the Anthropocene as a challenge for microbiome research

Influence of Association Network Properties and Ecological Assembly of the Foliar Fugal Community on Crop Quality

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