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Foliar Endophytic Fungal Communities Are Driven by Leaf Traits—Evidence From a Temperate Tree Diversity Experiment

Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet

Standard

Foliar Endophytic Fungal Communities Are Driven by Leaf Traits—Evidence From a Temperate Tree Diversity Experiment. / Köhler, Michael; Castro Sánchez-Bermejo, Pablo; Hähn, Georg et al.
in: Ecology and Evolution, Jahrgang 15, Nr. 7, e71691, 07.2025.

Publikation: Beiträge in Zeitschriften › Zeitschriftenaufsätze › Forschung › begutachtet

Harvard

Köhler, M, Castro Sánchez-Bermejo, P, Hähn, G, Ferlian, O, Eisenhauer, N, Wubet, T, Haider, S & Bruelheide, H 2025, 'Foliar Endophytic Fungal Communities Are Driven by Leaf Traits—Evidence From a Temperate Tree Diversity Experiment', Ecology and Evolution, Jg. 15, Nr. 7, e71691. https://doi.org/10.1002/ece3.71691

APA

Köhler, M., Castro Sánchez-Bermejo, P., Hähn, G., Ferlian, O., Eisenhauer, N., Wubet, T., Haider, S., & Bruelheide, H. (2025). Foliar Endophytic Fungal Communities Are Driven by Leaf Traits—Evidence From a Temperate Tree Diversity Experiment. Ecology and Evolution, 15(7), Artikel e71691. https://doi.org/10.1002/ece3.71691

Vancouver

Köhler M, Castro Sánchez-Bermejo P, Hähn G, Ferlian O, Eisenhauer N, Wubet T et al. Foliar Endophytic Fungal Communities Are Driven by Leaf Traits—Evidence From a Temperate Tree Diversity Experiment. Ecology and Evolution. 2025 Jul;15(7):e71691. doi: 10.1002/ece3.71691

Bibtex

@article{b60344b74dcb49799c18491996048264,
title = "Foliar Endophytic Fungal Communities Are Driven by Leaf Traits—Evidence From a Temperate Tree Diversity Experiment",
abstract = "Fungal endophyte communities are mainly driven by host plant identity and geographic location. However, little is known about interactions between endophytes and characteristics of the host plant such as leaf functional traits, which vary both among and within host species. Previous studies focused on a limited number of host plant species and did not control for varying conditions in the host's neighborhood, which affect leaf functional traits and, in turn, might affect fungal endophyte communities. Using a tree diversity experiment in which all trees grow under standardized conditions, we were able to assess the contributions of host tree identity, host neighborhood species richness, and host community composition as well as the variation of leaf traits caused by these factors on taxonomic richness and community composition of foliar fungal endophytes. We used next-generation amplicon sequencing to analyze the fungal endophyte community and visible–near infrared spectrometry data to predict the mean values and the intra-individual variation of leaf traits in individual trees. We found both mean trait values and intra-individual trait variation to have significant effects on endophyte richness. Mean trait values of leaf dry matter content, leaf carbon, leaf nitrogen, and leaf carbon-to-nitrogen ratio exhibited negative effects on endophyte richness, whereas specific leaf area and leaf phosphorus content increased endophyte richness. Additionally, intra-individual leaf-trait variation generally had positive effects on richness. Overall endophyte community composition was influenced by mean leaf dry matter content and specific leaf area. Ascomycota were influenced by the specific leaf area, whereas Basidiomycota responded to leaf dry matter content. We demonstrate that functional leaf traits affect foliar endophyte communities, with positive diversity effects of host leaf nutrients that are essential, and likely limiting, for fungal endophytes. Although our study emphasizes the role of leaf traits in shaping fungal communities, we also acknowledge that these dynamic interactions could lead to traits being influenced by microbes through microbe–plant interactions.",
keywords = "biodiversity-ecosystem functioning experiment, fungal endophytes, leaf spectrometry, leaf traits, metagenomics, within-individual trait variation, Ecosystems Research",
author = "Michael K{\"o}hler and {Castro S{\'a}nchez-Bermejo}, Pablo and Georg H{\"a}hn and Olga Ferlian and Nico Eisenhauer and Tesfaye Wubet and Sylvia Haider and Helge Bruelheide",
note = "Publisher Copyright: {\textcopyright} 2025 The Author(s). Ecology and Evolution published by British Ecological Society and John Wiley & Sons Ltd.",
year = "2025",
month = jul,
doi = "10.1002/ece3.71691",
language = "English",
volume = "15",
journal = "Ecology and Evolution",
issn = "2045-7758",
publisher = "John Wiley & Sons Ltd.",
number = "7",

}

RIS

TY - JOUR

T1 - Foliar Endophytic Fungal Communities Are Driven by Leaf Traits—Evidence From a Temperate Tree Diversity Experiment

AU - Köhler, Michael

AU - Castro Sánchez-Bermejo, Pablo

AU - Hähn, Georg

AU - Ferlian, Olga

AU - Eisenhauer, Nico

AU - Wubet, Tesfaye

AU - Haider, Sylvia

AU - Bruelheide, Helge

N1 - Publisher Copyright: © 2025 The Author(s). Ecology and Evolution published by British Ecological Society and John Wiley & Sons Ltd.

PY - 2025/7

Y1 - 2025/7

N2 - Fungal endophyte communities are mainly driven by host plant identity and geographic location. However, little is known about interactions between endophytes and characteristics of the host plant such as leaf functional traits, which vary both among and within host species. Previous studies focused on a limited number of host plant species and did not control for varying conditions in the host's neighborhood, which affect leaf functional traits and, in turn, might affect fungal endophyte communities. Using a tree diversity experiment in which all trees grow under standardized conditions, we were able to assess the contributions of host tree identity, host neighborhood species richness, and host community composition as well as the variation of leaf traits caused by these factors on taxonomic richness and community composition of foliar fungal endophytes. We used next-generation amplicon sequencing to analyze the fungal endophyte community and visible–near infrared spectrometry data to predict the mean values and the intra-individual variation of leaf traits in individual trees. We found both mean trait values and intra-individual trait variation to have significant effects on endophyte richness. Mean trait values of leaf dry matter content, leaf carbon, leaf nitrogen, and leaf carbon-to-nitrogen ratio exhibited negative effects on endophyte richness, whereas specific leaf area and leaf phosphorus content increased endophyte richness. Additionally, intra-individual leaf-trait variation generally had positive effects on richness. Overall endophyte community composition was influenced by mean leaf dry matter content and specific leaf area. Ascomycota were influenced by the specific leaf area, whereas Basidiomycota responded to leaf dry matter content. We demonstrate that functional leaf traits affect foliar endophyte communities, with positive diversity effects of host leaf nutrients that are essential, and likely limiting, for fungal endophytes. Although our study emphasizes the role of leaf traits in shaping fungal communities, we also acknowledge that these dynamic interactions could lead to traits being influenced by microbes through microbe–plant interactions.

AB - Fungal endophyte communities are mainly driven by host plant identity and geographic location. However, little is known about interactions between endophytes and characteristics of the host plant such as leaf functional traits, which vary both among and within host species. Previous studies focused on a limited number of host plant species and did not control for varying conditions in the host's neighborhood, which affect leaf functional traits and, in turn, might affect fungal endophyte communities. Using a tree diversity experiment in which all trees grow under standardized conditions, we were able to assess the contributions of host tree identity, host neighborhood species richness, and host community composition as well as the variation of leaf traits caused by these factors on taxonomic richness and community composition of foliar fungal endophytes. We used next-generation amplicon sequencing to analyze the fungal endophyte community and visible–near infrared spectrometry data to predict the mean values and the intra-individual variation of leaf traits in individual trees. We found both mean trait values and intra-individual trait variation to have significant effects on endophyte richness. Mean trait values of leaf dry matter content, leaf carbon, leaf nitrogen, and leaf carbon-to-nitrogen ratio exhibited negative effects on endophyte richness, whereas specific leaf area and leaf phosphorus content increased endophyte richness. Additionally, intra-individual leaf-trait variation generally had positive effects on richness. Overall endophyte community composition was influenced by mean leaf dry matter content and specific leaf area. Ascomycota were influenced by the specific leaf area, whereas Basidiomycota responded to leaf dry matter content. We demonstrate that functional leaf traits affect foliar endophyte communities, with positive diversity effects of host leaf nutrients that are essential, and likely limiting, for fungal endophytes. Although our study emphasizes the role of leaf traits in shaping fungal communities, we also acknowledge that these dynamic interactions could lead to traits being influenced by microbes through microbe–plant interactions.

KW - biodiversity-ecosystem functioning experiment

KW - fungal endophytes

KW - leaf spectrometry

KW - leaf traits

KW - metagenomics

KW - within-individual trait variation

KW - Ecosystems Research

UR - http://www.scopus.com/inward/record.url?scp=105011648346&partnerID=8YFLogxK

U2 - 10.1002/ece3.71691

DO - 10.1002/ece3.71691

M3 - Journal articles

C2 - 40678348

AN - SCOPUS:105011648346

VL - 15

JO - Ecology and Evolution

JF - Ecology and Evolution

SN - 2045-7758

IS - 7

M1 - e71691

ER -

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