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F K, L B, M EM, M R B, N F, R B, F B, A DS, C D, M N F, G G, M J G, M L, A L, W L M, A N, A S, G S, E I V, K V, L V, B Z, L A, D D, M B. "Ectomycorrhizal exploration type" could be a functional trait explaining the spatial distribution of tree symbiotic fungi as a function of forest humus forms. MYCORRHIZA 2024; 34:203-216. [PMID: 38700516 DOI: 10.1007/s00572-024-01146-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 04/15/2024] [Indexed: 06/12/2024]
Abstract
In European forests, most tree species form symbioses with ectomycorrhizal (EM) and arbuscular mycorrhizal (AM) fungi. The EM fungi are classified into different morphological types based on the development and structure of their extraradical mycelium. These structures could be root extensions that help trees to acquire nutrients. However, the relationship between these morphological traits and functions involved in soil nutrient foraging is still under debate.We described the composition of mycorrhizal fungal communities under 23 tree species in a wide range of climates and humus forms in Europe and investigated the exploratory types of EM fungi. We assessed the response of this tree extended phenotype to humus forms, as an indicator of the functioning and quality of forest soils. We found a significant relationship between the relative proportion of the two broad categories of EM exploration types (short- or long-distance) and the humus form, showing a greater proportion of long-distance types in the least dynamic soils. As past land-use and host tree species are significant factors structuring fungal communities, we showed this relationship was modulated by host trait (gymnosperms versus angiosperms), soil depth and past land use (farmland or forest).We propose that this potential functional trait of EM fungi be used in future studies to improve predictive models of forest soil functioning and tree adaptation to environmental nutrient conditions.
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Affiliation(s)
- Khalfallah F
- Université de Lorraine, INRAE, IAM, Nancy, F-54000, France
- INRAE, BEF, Nancy, F-54000, France
| | - Bon L
- INRAE, ISPA, Bordeaux Sciences Agro, Villenave d'Ornon, F-33140, France
| | - El Mazlouzi M
- INRAE, ISPA, Bordeaux Sciences Agro, Villenave d'Ornon, F-33140, France
- IEES, Université Paris Est Créteil, CNRS, INRAE, IRD, Créteil, 94010, 94010, France
| | - Bakker M R
- INRAE, ISPA, Bordeaux Sciences Agro, Villenave d'Ornon, F-33140, France
| | - Fanin N
- INRAE, ISPA, Bordeaux Sciences Agro, Villenave d'Ornon, F-33140, France
| | - Bellanger R
- INRAE, Site de la Villa Thuret, Antibes, 1353 UEVT, 06600, France
| | - Bernier F
- INRAE, Domaine de l'Hermitage, Cestas Pierroton, 0570 UEFP, 33610, France
| | - De Schrijver A
- Departement Biowetenschappen en Industriële Technologie, AgroFoodNature HOGENT, Melle, 9090, Belgium
| | - Ducatillon C
- INRAE, Site de la Villa Thuret, Antibes, 1353 UEVT, 06600, France
| | - Fotelli M N
- Forest Research Institute Hellenic Agricultural Organization Dimitra, Vassilika, Thessaloniki, 57006, Greece
| | - Gateble G
- INRAE, Site de la Villa Thuret, Antibes, 1353 UEVT, 06600, France
| | - Gundale M J
- Department of Forest Ecology and Management, Swedish Univ. of Agricultural Sciences, Umeå, 901-83, Sweden
| | - Larsson M
- Department of Forest Ecology and Management, Swedish Univ. of Agricultural Sciences, Umeå, 901-83, Sweden
| | - Legout A
- INRAE, BEF, Nancy, F-54000, France
| | - Mason W L
- Forest Research, Northern Research Station, Roslin, Midlothian, EH25 9SY, Scotland, UK
| | - Nordin A
- Department of Forest Genetics and Plant Physiology, Umeå Plant Science Centre (UPSC), Swedish University of Agricultural Sciences, Umeå, 901-83, Sweden
| | - Smolander A
- Natural Resources Institute Finland (Luke), Latokartanonkaari 9, Helsinki, 00790, Finland
| | - Spyroglou G
- Forest Research Institute Hellenic Agricultural Organization Dimitra, Vassilika, Thessaloniki, 57006, Greece
| | - Vanguelova E I
- Forest Research, Alice Holt, Alice Holt Lodge, Farnham, GU10 4LH, UK
| | - Verheyen K
- Forest & Nature Lab, Ghent University, Gontrode, Melle, 9090, Belgium
| | - Vesterdal L
- Department of Geosciences and Natural Resource Management, University of Copenhagen, Frederiksberg C, 1958, Denmark
| | - Zeller B
- INRAE, BEF, Nancy, F-54000, France
| | - Augusto L
- INRAE, ISPA, Bordeaux Sciences Agro, Villenave d'Ornon, F-33140, France.
| | | | - Buée M
- Université de Lorraine, INRAE, IAM, Nancy, F-54000, France.
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Smith AH, Bogar LM, Moeller HV. Fungal Fight Club: phylogeny and growth rate predict competitive outcomes among ectomycorrhizal fungi. FEMS Microbiol Ecol 2023; 99:fiad108. [PMID: 37697652 PMCID: PMC10516346 DOI: 10.1093/femsec/fiad108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/01/2023] [Accepted: 09/07/2023] [Indexed: 09/13/2023] Open
Abstract
Ectomycorrhizal fungi are among the most prevalent fungal partners of plants and can constitute up to one-third of forest microbial biomass. As mutualistic partners that supply nutrients, water, and pathogen defense, these fungi impact host plant health and biogeochemical cycling. Ectomycorrhizal fungi are also extremely diverse, and the community of fungal partners on a single plant host can consist of dozens of individuals. However, the factors that govern competition and coexistence within these communities are still poorly understood. In this study, we used in vitro competitive assays between five ectomycorrhizal fungal strains to examine how competition and pH affect fungal growth. We also tested the ability of evolutionary history to predict the outcomes of fungal competition. We found that the effects of pH and competition on fungal performance varied extensively, with changes in growth media pH sometimes reversing competitive outcomes. Furthermore, when comparing the use of phylogenetic distance and growth rate in predicting competitive outcomes, we found that both methods worked equally well. Our study further highlights the complexity of ectomycorrhizal fungal competition and the importance of considering phylogenetic distance, ecologically relevant traits, and environmental conditions in predicting the outcomes of these interactions.
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Affiliation(s)
- Alexander H Smith
- Department of Integrative Biology, University of Colorado, Denver Auraria Campus Science Building 1150 12th St, Denver CO 80204, USA
| | - Laura M Bogar
- Department of Plant Biology, University of California, Davis, 605 Hutchison Dr Green Hall rm 1002 Davis CA 95616-5720, USA
| | - Holly V Moeller
- Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara CA 93106-9620, USA
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3
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van Galen LG, Orlovich DA, Lord JM, Nilsen AR, Dutoit L, Larcombe MJ. Correlated evolution in an ectomycorrhizal host-symbiont system. THE NEW PHYTOLOGIST 2023; 238:1215-1229. [PMID: 36751898 DOI: 10.1111/nph.18802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
Mechanisms of diversification in fungi are relatively poorly known. Many ectomycorrhizal symbionts show preference for particular host genera or families, so host-symbiont selection may be an important driver of fungal diversification in ectomycorrhizal systems. However, whether ectomycorrhizal hosts and symbionts show correlated evolutionary patterns remains untested, and it is unknown whether fungal specialisation also occurs in systems dominated by hosts from the same genus. We use metabarcoding of ectomycorrhizal fungi collected with hyphal ingrowth bags from Nothofagus forests across southern New Zealand to investigate host-symbiont specialisation and correlated evolution. We examine how ectomycorrhizal communities differ between host species and look for patterns of host-symbiont cophylogeny. We found substantial differences in ectomycorrhizal communities associated with different host taxa, particularly between hosts from different subgenera (Lophozonia and Fuscospora), but also between more closely related hosts. Twenty-four per cent of fungal taxa tested showed affiliations to particular hosts, and tests for cophylogeny revealed significant correlations between host relatedness and the fungal phylogeny that extended to substantial evolutionary depth. These results provide new evidence of correlated evolution in ectomycorrhizal systems, indicating that preferences among closely related host species may represent an important evolutionary driver for local lineage diversification in ectomycorrhizal fungi.
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Affiliation(s)
- Laura G van Galen
- Department of Botany, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - David A Orlovich
- Department of Botany, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Janice M Lord
- Department of Botany, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Andy R Nilsen
- Department of Botany, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Ludovic Dutoit
- Department of Zoology, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
| | - Matthew J Larcombe
- Department of Botany, University of Otago, PO Box 56, Dunedin, 9054, New Zealand
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Gong X, Feng Y, Dang K, Jiang Y, Qi H, Feng B. Linkages of microbial community structure and root exudates: Evidence from microbial nitrogen limitation in soils of crop families. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 881:163536. [PMID: 37075993 DOI: 10.1016/j.scitotenv.2023.163536] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 04/12/2023] [Accepted: 04/12/2023] [Indexed: 05/03/2023]
Abstract
Rhizosphere microorganisms are critical for crop nutrient cycling and soil ecological functions in agroecosystem soils; however, there is limited information regarding the role of root exudates in determining soil microbial communities and functions in plant-soil systems, especially for microbial nutrient limitations. In the present study, rhizosphere soil samples were collected from the main food crop families, including maize, soybean, potato, and buckwheat, representing the cereals, Leguminosae, Solanaceae, and Polygonaceae families, in the northern Loess Plateau, China, to investigate soil microbial co-occurrences and assembly processes and the relationship between soil microbes and root exudates. The results showed that the crop families greatly regulated the soil microbial community composition and assembly, and all microorganisms of the four species were subjected to N limitation via the vector analysis. The topological properties of the soil microbial networks varied with the crop family, demonstrating that the ecological relationships of bacterial taxa are more complex than those of fungi. Stochastic processes were more important in stimulating assembly across the four crop families; the non-dominated process governed >60 % of the critical ecological turnover in community assembly, whereas dispersal limitation was the key factor influencing fungal community assembly. Furthermore, the metabolic profiles of root exudates in response to microbial N limitation varied by family. Microbial function and metabolic limitations were strongly associated with variations in root exudates, especially amino acids and organic acids, which were directly facilitated by crop families. Our results highlight the key roles of root exudates in stimulating microbial community structure and ecological functions from the perspective of microbial nutrient limitation and improve our understanding of plant-microbe interactions in agricultural ecosystems.
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Affiliation(s)
- Xiangwei Gong
- College of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning 110866, PR China.
| | - Yu Feng
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, PR China
| | - Ke Dang
- Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, PR China
| | - Ying Jiang
- College of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning 110866, PR China
| | - Hua Qi
- College of Agronomy, Shenyang Agricultural University, Shenyang, Liaoning 110866, PR China
| | - Baili Feng
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Agronomy, Northwest A & F University, Yangling, Shaanxi 712100, PR China.
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Zhong Y, Liu J, Jia X, Tang Z, Shangguan Z, Wang R, Yan W. Environmental stress-discriminatory taxa are associated with high C and N cycling functional potentials in dryland grasslands. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 817:152991. [PMID: 35026259 DOI: 10.1016/j.scitotenv.2022.152991] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 12/03/2021] [Accepted: 01/05/2022] [Indexed: 06/14/2023]
Abstract
Increasing environmental stress strongly affects soil microbial communities, but the responses of the microbial assembly and the functional potential of the dominant microbial community in the presence of environmental stress in drylands are still poorly understood. Here, we undertook a broad appraisal of the abundance, diversity, similarity, community assembly, network properties and functions of soil microbiomes in 82 dryland grasslands along environmental gradients. We found that the bacterial and fungal diversity and community similarity showed different sensitivities to environmental stress (decreased mean annual precipitation (MAP) and soil nutrient levels and increased soil pH), and MAP was the most important factor influencing microbial community patterns. In addition, the dominant subcommunity of both bacteria and fungi was more sensitive to environmental stress than the nondominant subcommunity. Although increasing environmental stress decreased microbial phylogenetic clustering, it had no effects on the stochastic and deterministic assembly process balance. Moreover, we identified 101 bacterial and 34 fungal environmental stress-discriminatory taxa that were sensitive to environmental stress, and these bacterial markers showed a high correlation with the abundance of carbon (C) and nitrogen (N) cycling-related genes, whereas the taxa classified as connectors in the network were mainly correlated with C degradation genes. Our study shows that the different responses of bacteria and fungi to environmental stress bring challenges to predicting microbial function, but a relatively small number of taxa play an important role in driving C and N cycling-related functional genes, indicating that identifying an organism's phenotypic characteristics or traits of key taxa may improve our knowledge of the microbial response to ongoing global changes.
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Affiliation(s)
- Yangquanwei Zhong
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an 710072, PR China
| | - Jin Liu
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Xiaoyu Jia
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Zhuangsheng Tang
- College of Grassland Science, Gansu Agricultural University, Key Laboratory of Grassland Ecosystem of the Ministry of Education, Lanzhou 730070, PR China
| | - Zhouping Shangguan
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi 712100, PR China; Institute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling, Shaanxi 712100, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Ruiwu Wang
- School of Ecology and Environment, Northwestern Polytechnical University, Xi'an 710072, PR China
| | - Weiming Yan
- State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling, Shaanxi 712100, PR China; Institute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling, Shaanxi 712100, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China.
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6
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Minasiewicz J, Krawczyk E, Znaniecka J, Vincenot L, Zheleznaya E, Korybut-Orlowska J, Kull T, Selosse MA. Weak population spatial genetic structure and low infraspecific specificity for fungal partners in the rare mycoheterotrophic orchid Epipogium aphyllum. JOURNAL OF PLANT RESEARCH 2022; 135:275-293. [PMID: 34993702 PMCID: PMC8894228 DOI: 10.1007/s10265-021-01364-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 12/19/2021] [Indexed: 06/02/2023]
Abstract
Some plants abandoned photosynthesis and developed full dependency on fungi for nutrition. Most of the so-called mycoheterotrophic plants exhibit high specificity towards their fungal partners. We tested whether natural rarity of mycoheterotrophic plants and usual small and fluctuating population size make their populations more prone to genetic differentiation caused by restricted gene flow and/or genetic drift. We also tested whether these genetic characteristics might in turn shape divergent fungal preferences. We studied the mycoheterotrophic orchid Epipogium aphyllum, addressing the joint issues of genetic structure of its populations over Europe and possible consequences for mycorrhizal specificity within the associated fungal taxa. Out of 27 sampled E. aphyllum populations, nine were included for genetic diversity assessment using nine nuclear microsatellites and plastid DNA. Population genetic structure was inferred based on the total number of populations. Individuals from 17 locations were included into analysis of genetic identity of mycorrhizal fungi of E. aphyllum based on barcoding by nuclear ribosomal DNA. Epipogium aphyllum populations revealed high genetic diversity (uHe = 0.562) and low genetic differentiation over vast distances (FST = 0.106 for nuclear microsatellites and FST = 0.156 for plastid DNA). Bayesian clustering analyses identified only two genetic clusters, with a high degree of admixture. Epipogium aphyllum genets arise from panmixia and display locally variable, but relatively high production of ramets, as shown by a low value of rarefied genotypic richness (Rr = 0.265). Epipogium aphyllum genotype control over partner selection was negligible as (1) we found ramets from a single genetic individual associated with up to 68% of the known Inocybe spp. associating with the plant species, (2) and partner identity did not show any geographic structure. The absence of mosaicism in the mycorrhizal specificity over Europe may be linked to preferential allogamous habit of E. aphyllum and significant gene flow, which tend to promote host generalism.
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Affiliation(s)
- Julita Minasiewicz
- Faculty of Biology, Department of Plant Taxonomy and Nature Conservation, University of Gdańsk, ul. Wita Stwosza 59, 80-308, Gdańsk, Poland.
| | - Emilia Krawczyk
- Faculty of Biology, Department of Plant Taxonomy and Nature Conservation, University of Gdańsk, ul. Wita Stwosza 59, 80-308, Gdańsk, Poland
| | - Joanna Znaniecka
- Intercollegiate Faculty of Biotechnology of University of Gdansk and Medical University of Gdansk, Abrahama 58, 80-307, Gdansk, Poland
| | - Lucie Vincenot
- Normandie University, UNIROUEN, INRAE, ECODIV, 76000, Rouen, France
| | - Ekaterina Zheleznaya
- Peoples' Friendship University of Russia, Podolskoye shosse 8/5, 115093, Moscow, Russia
- Timiryazev State Biological Museum, Malaya Gruzinskaya, 15, 123242, Moscow, Russia
| | - Joanna Korybut-Orlowska
- Faculty of Biology, Department of Plant Taxonomy and Nature Conservation, University of Gdańsk, ul. Wita Stwosza 59, 80-308, Gdańsk, Poland
| | - Tiiu Kull
- Estonian University of Life Sciences, Tartu, Estonia
| | - Marc-André Selosse
- Faculty of Biology, Department of Plant Taxonomy and Nature Conservation, University of Gdańsk, ul. Wita Stwosza 59, 80-308, Gdańsk, Poland
- Institut de Systématique, Evolution, Biodiversité (ISYEB), Muséum National d'Histoire Naturelle, CNRS, Sorbonne Université, EPHE, 57 rue Cuvier, CP 39 75005, Paris, France
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7
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Petrolli R, Augusto Vieira C, Jakalski M, Bocayuva MF, Vallé C, Cruz EDS, Selosse MA, Martos F, Kasuya MCM. A fine-scale spatial analysis of fungal communities on tropical tree bark unveils the epiphytic rhizosphere in orchids. THE NEW PHYTOLOGIST 2021; 231:2002-2014. [PMID: 33983644 DOI: 10.1111/nph.17459] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 05/04/2021] [Indexed: 05/27/2023]
Abstract
Approximately 10% of vascular plants are epiphytes and, even though this has long been ignored in past research, are able to interact with a variety of fungi, including mycorrhizal taxa. However, the structure of fungal communities on bark, as well as their relationship with epiphytic plants, is largely unknown. To fill this gap, we conducted environmental metabarcoding of the ITS-2 region to understand the spatial structure of fungal communities of the bark of tropical trees, with a focus on epiphytic orchid mycorrhizal fungi, and tested the influence of root proximity. For all guilds, including orchid mycorrhizal fungi, fungal communities were more similar when spatially close on bark (i.e. they displayed positive spatial autocorrelation). They also showed distance decay of similarity with respect to epiphytic roots, meaning that their composition on bark increasingly differed, compared to roots, with distance from roots. We first showed that all of the investigated fungal guilds exhibited spatial structure at very small scales. This spatial structure was influenced by the roots of epiphytic plants, suggesting the existence of an epiphytic rhizosphere. Finally, we showed that orchid mycorrhizal fungi were aggregated around them, possibly as a result of reciprocal influence between the mycorrhizal partners.
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Affiliation(s)
- Rémi Petrolli
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, EPHE, Sorbonne Université, CP 39, 57 rue Cuvier, Paris, F-75005, France
| | - Conrado Augusto Vieira
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, EPHE, Sorbonne Université, CP 39, 57 rue Cuvier, Paris, F-75005, France
- Department of Microbiology, Viçosa Federal University (UFV), P. H. Rolfs Street CEP: 36570-900, Viçosa, Minas Gerais, Brazil
| | - Marcin Jakalski
- Faculty of Biology, University of Gdańsk, ul. Wita Stwosza 59, Gdańsk, 80-308, Poland
| | - Melissa F Bocayuva
- Department of Microbiology, Viçosa Federal University (UFV), P. H. Rolfs Street CEP: 36570-900, Viçosa, Minas Gerais, Brazil
| | - Clément Vallé
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, EPHE, Sorbonne Université, CP 39, 57 rue Cuvier, Paris, F-75005, France
| | - Everaldo Da Silva Cruz
- Department of Microbiology, Viçosa Federal University (UFV), P. H. Rolfs Street CEP: 36570-900, Viçosa, Minas Gerais, Brazil
| | - Marc-André Selosse
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, EPHE, Sorbonne Université, CP 39, 57 rue Cuvier, Paris, F-75005, France
- Department of Microbiology, Viçosa Federal University (UFV), P. H. Rolfs Street CEP: 36570-900, Viçosa, Minas Gerais, Brazil
- Faculty of Biology, University of Gdańsk, ul. Wita Stwosza 59, Gdańsk, 80-308, Poland
| | - Florent Martos
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'Histoire naturelle, CNRS, EPHE, Sorbonne Université, CP 39, 57 rue Cuvier, Paris, F-75005, France
| | - Maria Catarina M Kasuya
- Department of Microbiology, Viçosa Federal University (UFV), P. H. Rolfs Street CEP: 36570-900, Viçosa, Minas Gerais, Brazil
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Poelman A, Weerasuriya N, Vanderwolf KJ, Malloch D, McAlpine DF, Thorn RG. Fungi associated with aeroponic roots in caves and mines of New Brunswick. FUNGAL ECOL 2021. [DOI: 10.1016/j.funeco.2021.101074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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9
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Veselá P, Vašutová M, Edwards-Jonášová M, Holub F, Fleischer P, Cudlín P. Management After Windstorm Affects the Composition of Ectomycorrhizal Symbionts of Regenerating Trees but Not Their Mycorrhizal Networks. FRONTIERS IN PLANT SCIENCE 2021; 12:641232. [PMID: 34054889 PMCID: PMC8160286 DOI: 10.3389/fpls.2021.641232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 04/06/2021] [Indexed: 06/12/2023]
Abstract
Due to ongoing climate change, forests are expected to face significant disturbances more frequently than in the past. Appropriate management is intended to facilitate forest regeneration. Because European temperate forests mostly consist of trees associated with ectomycorrhizal (ECM) fungi, understanding their role in these disturbances is important to develop strategies to minimize their consequences and effectively restore forests. Our aim was to determine how traditional (EXT) and nonintervention (NEX) management in originally Norway spruce (Picea abies) forests with an admixture of European larch (Larix decidua) affect ECM fungal communities and the potential to interconnect different tree species via ECM networks 15 years after a windstorm. Ten plots in NEX and 10 plots in EXT with the co-occurrences of Norway spruce, European larch, and silver birch (Betula pendula) were selected, and a total of 57 ECM taxa were identified using ITS sequencing from ECM root tips. In both treatments, five ECM species associated with all the studied tree species dominated, with a total abundance of approximately 50% in the examined root samples. Because there were no significant differences between treatments in the number of ECM species associated with different tree species combinations in individual plots, we concluded that the management type did not have a significant effect on networking. However, management significantly affected the compositions of ECM symbionts of Norway spruce and European larch but not those of silver birch. Although this result is explained by the occurrence of seedlings and ECM propagules that were present in the original forest, the consequences are difficult to assess without knowledge of the ecology of different ECM symbionts.
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Affiliation(s)
- Petra Veselá
- Department of Carbon Storage in the Landscape, Global Change Research Institute of the Czech Academy of Sciences, Brno, Czechia
- Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Technology, Mendel University in Brno, Brno, Czechia
| | - Martina Vašutová
- Department of Carbon Storage in the Landscape, Global Change Research Institute of the Czech Academy of Sciences, České Budějovice, Czechia
- Department of Botany, Faculty of Science, University of South Bohemia, České Budějovice, Czechia
| | - Magda Edwards-Jonášová
- Department of Carbon Storage in the Landscape, Global Change Research Institute of the Czech Academy of Sciences, České Budějovice, Czechia
| | - Filip Holub
- Department of Carbon Storage in the Landscape, Global Change Research Institute of the Czech Academy of Sciences, České Budějovice, Czechia
| | - Peter Fleischer
- Department of Integrated Forest and Landscape Protection, Faculty of Forestry, Technical University in Zvolen, Zvolen, Slovakia
| | - Pavel Cudlín
- Department of Carbon Storage in the Landscape, Global Change Research Institute of the Czech Academy of Sciences, České Budějovice, Czechia
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Similarities and Differences among Soil Fungal Assemblages in Managed Forests and Formerly Managed Forest Reserves. FORESTS 2021. [DOI: 10.3390/f12030353] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Unlike the numerous works concerning the effect of management on the forest mycobiome, only a few studies have addressed how fungi from different trophic groups recover from natural and anthropogenic disturbances and develop structural features typical of unmanaged old-growth forests. Our objective is to compare the soil fungal assemblages represented by different functional/trophic groups in protected and managed stands located in European mixed forests dominated by Scots pine. Fungal communities were analyzed using high-throughput Illumina MiSeq sequencing of fungal internal transcribed spacer 1 (ITS1) amplicons. Formerly managed forest reserves (established around 50 years ago) and forests under standard forest management appeared to be similar in terms of total and mean species richness of all fungal operational taxonomic units (OTUs), as well as OTUs assigned to different functional trophic groups. Among the 599 recorded OTUs, 497 (83%) were shared between both management types, whereas 9.5% of taxa were unique to forest reserves and 7.5% were unique to managed stands. Ascomycota and Basidiomycota were the predominant phyla, comprising 88% of all identified fungi. The main functional components of soil fungal assemblages consisted of saprotrophic (42% fungal OTUs; 27% reads) and ectomycorrhizal fungi (16%; 47%). Two-way analysis of similarities (ANOSIM) revealed that both site and management strategy influenced the species composition of soil fungal communities, with site being a primary effect for saprotrophic and ectomycorrhizal fungi. Volume of coarse and very fine woody debris and soil pH significantly influenced the ectomycorrhizal fungal community, whereas saprotrophic fungi were influenced primarily by volume of coarse woody debris and soil nitrate concentration. Among the identified fungal OTUs, 18 red-listed fungal species were identified from both forest reserves and managed forests, comprising two ECM fungi and four saprotrophs from the category of endangered species. Our results suggest that the transformation of fungal diversity after cessation of forest management is rather slow, and that both forest reserves and managed forests help uphold fungal diversity.
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11
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Mundra S, Kjønaas OJ, Morgado LN, Krabberød AK, Ransedokken Y, Kauserud H. Soil depth matters: shift in composition and inter-kingdom co-occurrence patterns of microorganisms in forest soils. FEMS Microbiol Ecol 2021; 97:fiab022. [PMID: 33547899 PMCID: PMC7948073 DOI: 10.1093/femsec/fiab022] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 02/04/2021] [Indexed: 02/01/2023] Open
Abstract
Soil depth represents a strong physiochemical gradient that greatly affects soil-dwelling microorganisms. Fungal communities are typically structured by soil depth, but how other microorganisms are structured is less known. Here, we tested whether depth-dependent variation in soil chemistry affects the distribution and co-occurrence patterns of soil microbial communities. This was investigated by DNA metabarcoding in conjunction with network analyses of bacteria, fungi, as well as other micro-eukaryotes, sampled in four different soil depths in Norwegian birch forests. Strong compositional turnover in microbial assemblages with soil depth was detected for all organismal groups. Significantly greater microbial diversity and fungal biomass appeared in the nutrient-rich organic layer, with sharp decrease towards the less nutrient-rich mineral zones. The proportions of copiotrophic bacteria, Arthropoda and Apicomplexa were markedly higher in the organic layer, while patterns were opposite for oligotrophic bacteria, Cercozoa, Ascomycota and ectomycorrhizal fungi. Network analyses indicated more intensive inter-kingdom co-occurrence patterns in the upper mineral layer (0-5 cm) compared to the above organic and the lower mineral soil, signifying substantial influence of soil depth on biotic interactions. This study supports the view that different microbial groups are adapted to different forest soil strata, with varying level of interactions along the depth gradient.
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Affiliation(s)
- Sunil Mundra
- Section for Genetics and Evolutionary Biology (EvoGene), Department of Biosciences, University of Oslo, NO-0316 Oslo, Norway
- Department of Biology, College of Science, United Arab Emirates University, Al-Ain, Abu-Dhabi, UAE
| | - O Janne Kjønaas
- NIBIO, Department of Terrestrial Ecology, NO-1431 Ås, Norway
| | - Luis N Morgado
- Section for Genetics and Evolutionary Biology (EvoGene), Department of Biosciences, University of Oslo, NO-0316 Oslo, Norway
- Naturalis Biodiversity Center, 2300 RA Leiden, the Netherlands
| | - Anders Kristian Krabberød
- Section for Genetics and Evolutionary Biology (EvoGene), Department of Biosciences, University of Oslo, NO-0316 Oslo, Norway
| | - Yngvild Ransedokken
- Faculty of Environmental and Natural Resource Management, Norwegian University of Life Sciences, NO-1432 Ås, Norway
| | - Håvard Kauserud
- Section for Genetics and Evolutionary Biology (EvoGene), Department of Biosciences, University of Oslo, NO-0316 Oslo, Norway
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12
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Rodriguez-Ramos JC, Cale JA, Cahill JF, Simard SW, Karst J, Erbilgin N. Changes in soil fungal community composition depend on functional group and forest disturbance type. THE NEW PHYTOLOGIST 2021; 229:1105-1117. [PMID: 32557647 DOI: 10.1111/nph.16749] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 06/04/2020] [Indexed: 06/11/2023]
Abstract
Disturbances have altered community dynamics in boreal forests with unknown consequences for belowground ecological processes. Soil fungi are particularly sensitive to such disturbances; however, the individual response of fungal guilds to different disturbance types is poorly understood. Here, we profiled soil fungal communities in lodgepole pine forests following a bark beetle outbreak, wildfire, clear-cut logging, and salvage-logging. Using Illumina MiSeq to sequence ITS1 and SSU rDNA, we characterized communities of ectomycorrhizal, arbuscular mycorrhizal, saprotrophic, and pathogenic fungi in sites representing each disturbance type paired with intact forests. We also quantified soil fungal biomass by measuring ergosterol. Abiotic disturbances changed the community composition of ectomycorrhizal fungi and shifted the dominance from ectomycorrhizal to saprotrophic fungi compared to intact forests. The disruption of the soil organic layer with disturbances correlated with the decline of ectomycorrhizal and the increase of arbuscular mycorrhizal fungi. Wildfire changed the community composition of pathogenic fungi but did not affect their proportion and diversity. Fungal biomass declined with disturbances that disrupted the forest floor. Our results suggest that the disruption of the forest floor with disturbances, and the changes in C and nutrient dynamics it may promote, structure the fungal community with implications for fungal biomass-C.
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Affiliation(s)
| | - Jonathan A Cale
- Department of Renewable Resources, University of Alberta, Edmonton, AB, T6G 2E3, Canada
| | - James F Cahill
- Department of Biological Sciences, University of Alberta, Edmonton, AB, T6G 2E9, Canada
| | - Suzanne W Simard
- Department of Forest and Conservation Sciences, The University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
| | - Justine Karst
- Department of Renewable Resources, University of Alberta, Edmonton, AB, T6G 2E3, Canada
| | - Nadir Erbilgin
- Department of Renewable Resources, University of Alberta, Edmonton, AB, T6G 2E3, Canada
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13
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Jiao S, Lu Y. Abundant fungi adapt to broader environmental gradients than rare fungi in agricultural fields. GLOBAL CHANGE BIOLOGY 2020; 26:4506-4520. [PMID: 32324306 DOI: 10.1111/gcb.15130] [Citation(s) in RCA: 170] [Impact Index Per Article: 42.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 04/15/2020] [Indexed: 06/11/2023]
Abstract
Soil communities are intricately linked to ecosystem functioning, and a predictive understanding of how communities assemble in response to environmental change is of great ecological importance. Little is known about the assembly processes governing abundant and rare fungal communities across agro-ecosystems, particularly with regard to their environmental adaptation. By considering abundant and rare taxa, we tested the environmental thresholds and phylogenetic signals for ecological preferences of fungal communities across complex environmental gradients to reflect their environmental adaptation, and explored the factors influencing their assembly based on the large-scale soil survey in agricultural fields across eastern China. We found that the abundant taxa exhibited remarkably broader response thresholds and stronger phylogenetic signals for the ecological preferences across environmental gradients compared to the rare taxa. Neutral processes played a key role in shaping the abundant subcommunity compared to the rare subcommunity. Null model analysis revealed that the abundant subcommunity was less clustered phylogenetically and governed primarily by dispersal limitation, while homogeneous selection was the major assembly process in the rare subcommunity. Soil available sulfur was the major factor mediating the balance between stochastic and deterministic processes of both the abundant and rare subcommunities, as indicated by an increase in stochasticity with higher available sulfur concentration. Based on macroecological spatial scale datasets, our study revealed the potential broader environmental adaptation of abundant fungal taxa compared to rare fungal taxa, and identified the factors mediating their distinct community assembly processes in agricultural fields. These results contribute to our understanding of the mechanisms underlying the generation and maintenance of fungal diversity in response to global environmental change.
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Affiliation(s)
- Shuo Jiao
- College of Urban and Environmental Sciences, Peking University, Beijing, P. R. China
- College of Life Sciences, Northwest A&F University, Yangling, P. R. China
| | - Yahai Lu
- College of Urban and Environmental Sciences, Peking University, Beijing, P. R. China
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14
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Thoen E, Harder CB, Kauserud H, Botnen SS, Vik U, Taylor AFS, Menkis A, Skrede I. In vitro evidence of root colonization suggests ecological versatility in the genus Mycena. THE NEW PHYTOLOGIST 2020; 227:601-612. [PMID: 32171021 DOI: 10.1111/nph.16545] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Accepted: 03/03/2020] [Indexed: 06/10/2023]
Abstract
The root-associated habit has evolved on numerous occasions in different fungal lineages, suggesting a strong evolutionary pressure for saprotrophic fungi to switch to symbiotic associations with plants. Species within the ubiquitous, saprotrophic genus Mycena are frequently major components in molecular studies of root-associated fungal communities, suggesting that an evaluation of their trophic status is warranted. Here, we report on interactions between a range of Mycena species and the plant Betula pendula. In all, 17 Mycena species were inoculated onto B. pendula seedlings. Physical interactions between hyphae and fine roots were examined using differential staining and fluorescence microscopy. Physiological interactions were investigated using 14 C and 32 P to show potential transfer between symbionts. All Mycena species associated closely with fine roots, showing hyphal penetration into the roots, which in some cases were intracellular. Seven species formed mantle-like structures around root tips, but none formed a Hartig net. Mycena pura and Mycena galopus both enhanced seedling growth, with M. pura showing significant transfer of 32 P to the seedlings. Our results support the view that several Mycena species can associate closely with plant roots and some may potentially occupy a transitional state between saprotrophy and biotrophy.
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Affiliation(s)
- Ella Thoen
- Department of Biosciences, University of Oslo, PO Box 1066, Blindern, 0316, Oslo, Norway
| | - Christoffer Bugge Harder
- Department of Biosciences, University of Oslo, PO Box 1066, Blindern, 0316, Oslo, Norway
- Department of Plant and Soil Science, Texas Tech University, PO Box 42122, Lubbock, TX, 79409, USA
| | - Håvard Kauserud
- Department of Biosciences, University of Oslo, PO Box 1066, Blindern, 0316, Oslo, Norway
| | - Synnøve S Botnen
- Department of Biosciences, University of Oslo, PO Box 1066, Blindern, 0316, Oslo, Norway
| | - Unni Vik
- Department of Biosciences, University of Oslo, PO Box 1066, Blindern, 0316, Oslo, Norway
| | - Andy F S Taylor
- School of Biological Sciences, University of Aberdeen, Aberdeen, AB24 2TZ, UK
- The James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, UK
| | - Audrius Menkis
- Department of Forest Mycology and Plant Pathology, Uppsala BioCenter, Swedish University of Agricultural Sciences, PO Box 7026, SE-75007, Uppsala, Sweden
| | - Inger Skrede
- Department of Biosciences, University of Oslo, PO Box 1066, Blindern, 0316, Oslo, Norway
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15
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Fernandez CW, See CR, Kennedy PG. Decelerated carbon cycling by ectomycorrhizal fungi is controlled by substrate quality and community composition. THE NEW PHYTOLOGIST 2020; 226:569-582. [PMID: 31622518 DOI: 10.1111/nph.16269] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2019] [Accepted: 10/07/2019] [Indexed: 05/27/2023]
Abstract
Interactions between symbiotic ectomycorrhizal (EM) and free-living saprotrophs can result in significant deceleration of leaf litter decomposition. While this phenomenon is widely cited, its generality remains unclear, as both the direction and magnitude of EM fungal effects on leaf litter decomposition have been shown to vary among studies. Here we explicitly examine how contrasting leaf litter types and EM fungal communities may lead to differential effects on carbon (C) and nitrogen (N) cycling. Specifically, we measured the response of soil nutrient cycling, litter decay rates, litter chemistry and fungal community structure to the reduction of EM fungi (via trenching) with a reciprocal litter transplant experiment in adjacent Pinus- or Quercus-dominated sites. We found clear evidence of EM fungal suppression of C and N cycling in the Pinus-dominated site, but no suppression in the Quercus-dominated site. Additionally, in the Pinus-dominated site, only the Pinus litter decay rates were decelerated by EM fungi and were associated with decoupling of litter C and N cycling. Our results support the hypothesis that EM fungi can decelerate C cycling via N competition, but strongly suggest that the 'Gadgil effect' is dependent on both substrate quality and EM fungal community composition. We argue that understanding tree host traits as well as EM fungal functional diversity is critical to a more mechanistic understanding of how EM fungi mediate forest soil biogeochemical cycling.
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Affiliation(s)
- Christopher W Fernandez
- Department of Plant and Microbial Biology, University of Minnesota, Saint Paul, MN, 55108, USA
| | - Craig R See
- Department of Ecology, Evolution and Behavior, University of Minnesota, Saint Paul, MN, 55108, USA
| | - Peter G Kennedy
- Department of Plant and Microbial Biology, University of Minnesota, Saint Paul, MN, 55108, USA
- Department of Ecology, Evolution and Behavior, University of Minnesota, Saint Paul, MN, 55108, USA
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16
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Thoen E, Aas AB, Vik U, Brysting AK, Skrede I, Carlsen T, Kauserud H. A single ectomycorrhizal plant root system includes a diverse and spatially structured fungal community. MYCORRHIZA 2019; 29:167-180. [PMID: 30929039 DOI: 10.1007/s00572-019-00889-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Accepted: 03/19/2019] [Indexed: 05/11/2023]
Abstract
Although only a relatively small proportion of plant species form ectomycorrhizae with fungi, it is crucial for growth and survival for a number of widespread woody plant species. Few studies have attempted to investigate the fine scale spatial structure of entire root systems of adult ectomycorrhizal (EcM) plants. Here, we use the herbaceous perennial Bistorta vivipara to map the entire root system of an adult EcM plant and investigate the spatial structure of its root-associated fungi. All EcM root tips were sampled, mapped and identified using a direct PCR approach and Sanger sequencing of the internal transcribed spacer region. A total of 32.1% of all sampled root tips (739 of 2302) were successfully sequenced and clustered into 41 operational taxonomic units (OTUs). We observed a clear spatial structuring of the root-associated fungi within the root system. Clusters of individual OTUs were observed in the younger parts of the root system, consistent with observations of priority effects in previous studies, but were absent from the older parts of the root system. This may suggest a succession and fragmentation of the root-associated fungi even at a very fine scale, where competition likely comes into play at different successional stages within the root system.
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Affiliation(s)
- Ella Thoen
- Section for Genetics and Evolutionary Biology (EVOGENE), Department of Biosciences, University of Oslo, PO box 1066, Blindern, 0316, Oslo, Norway.
| | - Anders B Aas
- Section for Genetics and Evolutionary Biology (EVOGENE), Department of Biosciences, University of Oslo, PO box 1066, Blindern, 0316, Oslo, Norway
- Bymiljøetaten Oslo Kommune, PO box 636, Løren, 0507, Oslo, Norway
| | - Unni Vik
- Section for Genetics and Evolutionary Biology (EVOGENE), Department of Biosciences, University of Oslo, PO box 1066, Blindern, 0316, Oslo, Norway
| | - Anne K Brysting
- Section for Genetics and Evolutionary Biology (EVOGENE), Department of Biosciences, University of Oslo, PO box 1066, Blindern, 0316, Oslo, Norway
| | - Inger Skrede
- Section for Genetics and Evolutionary Biology (EVOGENE), Department of Biosciences, University of Oslo, PO box 1066, Blindern, 0316, Oslo, Norway
| | - Tor Carlsen
- The Natural History museum, University of Oslo, PO box 1172, Blindern, 0318, Oslo, Norway
| | - Håvard Kauserud
- Section for Genetics and Evolutionary Biology (EVOGENE), Department of Biosciences, University of Oslo, PO box 1066, Blindern, 0316, Oslo, Norway
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17
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Chen KH, Liao HL, Arnold AE, Bonito G, Lutzoni F. RNA-based analyses reveal fungal communities structured by a senescence gradient in the moss Dicranum scoparium and the presence of putative multi-trophic fungi. THE NEW PHYTOLOGIST 2018; 218:1597-1611. [PMID: 29604236 DOI: 10.1111/nph.15092] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 02/07/2018] [Indexed: 05/15/2023]
Abstract
Diverse plant-associated fungi are thought to have symbiotrophic and saprotrophic states because they can be isolated from both dead and living plant tissues. However, such tissues often are separated in time and space, and fungal activity at various stages of plant senescence is rarely assessed directly in fungal community studies. We used fungal ribosomal RNA metatranscriptomics to detect active fungal communities across a natural senescence gradient within wild-collected gametophytes of Dicranum scoparium (Bryophyta) to understand the distribution of active fungal communities in adjacent living, senescing and dead tissues. Ascomycota were active in all tissues across the senescence gradient. By contrast, Basidiomycota were prevalent and active in senescing and dead tissues. Several fungi were detected as active in living and dead tissues, suggesting their capacity for multi-trophy. Differences in community assembly detected by metatranscriptomics were echoed by amplicon sequencing of cDNA and compared to culture-based inferences and observation of fungal fruit bodies in the field. The combination of amplicon sequencing of cDNA and metatranscriptomics is promising for studying symbiotic systems with complex microbial diversity, allowing for the simultaneous detection of their presence and activity.
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Affiliation(s)
- Ko-Hsuan Chen
- Department of Biology, Duke University, Durham, NC, 27708, USA
| | - Hui-Ling Liao
- Department of Biology, Duke University, Durham, NC, 27708, USA
- Soil and Water Sciences Department, North Florida Research and Education Center, University of Florida, Quincy, FL, 32351, USA
| | - A Elizabeth Arnold
- School of Plant Sciences and Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, AZ, 85721, USA
| | - Gregory Bonito
- Department of Plant, Soil and Microbial Sciences, Michigan State University, East Lansing, MI, 48824, USA
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18
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Fungal guilds are evenly distributed along a vertical spruce forest soil profile while individual fungi show pronounced niche partitioning. Mycol Prog 2018. [DOI: 10.1007/s11557-018-1405-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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19
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20
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Baldrian P. Forest microbiome: diversity, complexity and dynamics. FEMS Microbiol Rev 2016; 41:109-130. [DOI: 10.1093/femsre/fuw040] [Citation(s) in RCA: 168] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/08/2016] [Indexed: 12/13/2022] Open
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21
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Peay KG. The Mutualistic Niche: Mycorrhizal Symbiosis and Community Dynamics. ANNUAL REVIEW OF ECOLOGY EVOLUTION AND SYSTEMATICS 2016. [DOI: 10.1146/annurev-ecolsys-121415-032100] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The niche is generally viewed in terms of species' intrinsic physiological potential and limitations due to competition. Although DNA sequencing has revealed the ubiquity of beneficial microbial symbioses, the role of mutualisms in shaping species niches is not broadly recognized. In this review, I use a widespread terrestrial mutualism, the ectomycorrhizal symbiosis, to help develop the mutualistic niche concept. Using contemporary niche theory, I show how mycorrhizal symbioses expand environmental ranges (requirement niche) and influence resource use (impact niche) for both plants and fungi. Simple niche models for competition between resource specialists and generalists also predict a range of ecological phenomena, from unexpected monodominance by some tropical trees to the functional biogeography of mycorrhizal symbiosis. A niche-based view of mutualism may also help explain stability of mutualisms even in the absence of clear benefits. The niche is a central concept in ecology, and better integration of mutualism will more accurately reflect the positive interactions experienced by nearly all species.
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Affiliation(s)
- Kabir G. Peay
- Department of Biology, Stanford University, Stanford, California 94122
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22
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Qi X, Liu B, Song Q, Zou B, Bu Y, Wu H, Ding L, Zhou G. Assessing Fungal Population in Soil Planted with Cry1Ac and CPTI Transgenic Cotton and Its Conventional Parental Line Using 18S and ITS rDNA Sequences over Four Seasons. FRONTIERS IN PLANT SCIENCE 2016; 7:1023. [PMID: 27462344 PMCID: PMC4940383 DOI: 10.3389/fpls.2016.01023] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Accepted: 06/28/2016] [Indexed: 05/26/2023]
Abstract
Long-term growth of genetically modified plants (GMPs) has raised concerns regarding their ecological effects. Here, FLX-pyrosequencing of region I (18S) and region II (ITS1, 5.8S, and ITS2) rDNA was used to characterize fungal communities in soil samples after 10-year monoculture of one representative transgenic cotton line (TC-10) and 15-year plantation of various transgenic cotton cultivars (TC-15mix) over four seasons. Soil fungal communities in the rhizosphere of non-transgenic control (CC) were also compared. No notable differences were observed in soil fertility variables among CC, TC-10, and TC-15mix. Within seasons, the different estimations were statistically indistinguishable. There were 411 and 2 067 fungal operational taxonomic units in the two regions, respectively. More than 75% of fungal taxa were stable in both CC and TC except for individual taxa with significantly different abundance between TC and CC. Statistical analysis revealed no significant differences between CC and TC-10, while discrimination of separating TC-15mix from CC and TC-10 with 37.86% explained variance in PCoA and a significant difference of Shannon indexes between TC-10 and TC-15mix were observed in region II. As TC-15mix planted with a mixture of transgenic cottons (Zhongmian-29, 30, and 33B) for over 5 years, different genetic modifications may introduce variations in fungal diversity. Further clarification is necessary by detecting the fungal dynamic changes in sites planted in monoculture of various transgenic cottons. Overall, we conclude that monoculture of one representative transgenic cotton cultivar may have no effect on fungal diversity compared with conventional cotton. Furthermore, the choice of amplified region and methodology has potential to affect the outcome of the comparison between GM-crop and its parental line.
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Affiliation(s)
- Xiemin Qi
- Department of Pharmacology, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science, School of Medicine, Nanjing UniversityNanjing, China
- Department of Pharmaceutical Analysis, China Pharmaceutical UniversityNanjing, China
| | - Biao Liu
- Key Laboratory of Biosafety, Ministry of Environmental Protection of China, Nanjing Institute of Environmental SciencesNanjing, China
| | - Qinxin Song
- Department of Pharmacology, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science, School of Medicine, Nanjing UniversityNanjing, China
- Department of Pharmaceutical Analysis, China Pharmaceutical UniversityNanjing, China
| | - Bingjie Zou
- Department of Pharmacology, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science, School of Medicine, Nanjing UniversityNanjing, China
| | - Ying Bu
- Huadong Research Institute for Medicine and BiotechnicsNanjing, China
| | - Haiping Wu
- Huadong Research Institute for Medicine and BiotechnicsNanjing, China
| | - Li Ding
- Department of Pharmaceutical Analysis, China Pharmaceutical UniversityNanjing, China
| | - Guohua Zhou
- Department of Pharmacology, Jinling Hospital, State Key Laboratory of Analytical Chemistry for Life Science, School of Medicine, Nanjing UniversityNanjing, China
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23
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Hendricks JJ, Mitchell RJ, Kuehn KA, Pecot SD. Ectomycorrhizal fungal mycelia turnover in a longleaf pine forest. THE NEW PHYTOLOGIST 2016; 209:1693-1704. [PMID: 26537020 DOI: 10.1111/nph.13729] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Accepted: 09/25/2015] [Indexed: 06/05/2023]
Abstract
Elucidation of the patterns and controls of carbon (C) flow and nitrogen (N) cycling in forests has been hindered by a poor understanding of ectomycorrhizal fungal mycelia (EFM) dynamics. In this study, EFM standing biomass (based on soil ergosterol concentrations), production (based on ergosterol accrual in ingrowth cores), and turnover rate (the quotient of annual production and average standing biomass estimates) were assessed in a 25-yr-old longleaf pine (Pinus palustris) plantation where C flow was manipulated by foliar scorching and N fertilization for 5 yr before study initiation. In the controls, EFM standing biomass was 30 ± 7 g m(-2) , production was 279 ± 63 g m(-2) yr(-1) , and turnover rate was 10 ± 3 times yr(-1) . The scorched × fertilized treatment had significantly higher EFM standing biomass (38 ± 8 g m(-2) ), significantly lower production (205 ± 28 g m(-2) yr(-1) ), and a trend of decreased turnover rate (6 ± 1 times yr(-1) ). The EFM turnover estimates, which are among the first reported for natural systems, indicate that EFM are a dynamic component of ecosystems, and that conventional assessments have probably underestimated the role of EFM in C flow and nutrient cycling.
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Affiliation(s)
- Joseph J Hendricks
- Department of Biology, University of West Georgia, 1601 Maple Street, Carrollton, GA, 30118, USA
| | - Robert J Mitchell
- Joseph W. Jones Ecological Research Center at Ichauway, 3988 Jones Center Drive, Newton, GA, 39870, USA
| | - Kevin A Kuehn
- Department of Biological Sciences, The University of Southern Mississippi, 118 College Drive, Hattiesburg, MS, 39406, USA
| | - Stephen D Pecot
- Joseph W. Jones Ecological Research Center at Ichauway, 3988 Jones Center Drive, Newton, GA, 39870, USA
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24
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Fernandez CW, Kennedy PG. Revisiting the 'Gadgil effect': do interguild fungal interactions control carbon cycling in forest soils? THE NEW PHYTOLOGIST 2016; 209:1382-94. [PMID: 26365785 DOI: 10.1111/nph.13648] [Citation(s) in RCA: 164] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2015] [Accepted: 08/17/2015] [Indexed: 05/15/2023]
Abstract
In forest ecosystems, ectomycorrhizal and saprotrophic fungi play a central role in the breakdown of soil organic matter (SOM). Competition between these two fungal guilds has long been hypothesized to lead to suppression of decomposition rates, a phenomenon known as the 'Gadgil effect'. In this review, we examine the documentation, generality, and potential mechanisms involved in the 'Gadgil effect'. We find that the influence of ectomycorrhizal fungi on litter and SOM decomposition is much more variable than previously recognized. To explain the inconsistency in size and direction of the 'Gadgil effect', we argue that a better understanding of underlying mechanisms is required. We discuss the strengths and weaknesses of each of the primary mechanisms proposed to date and how using different experimental methods (trenching, girdling, microcosms), as well as considering different temporal and spatial scales, could influence the conclusions drawn about this phenomenon. Finally, we suggest that combining new research tools such as high-throughput sequencing with experiments utilizing natural environmental gradients will significantly deepen our understanding of the 'Gadgil effect' and its consequences on forest soil carbon and nutrient cycling.
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Affiliation(s)
- Christopher W Fernandez
- Departments of Plant Biology and Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108, USA
| | - Peter G Kennedy
- Departments of Plant Biology and Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108, USA
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Mujic AB, Durall DM, Spatafora JW, Kennedy PG. Competitive avoidance not edaphic specialization drives vertical niche partitioning among sister species of ectomycorrhizal fungi. THE NEW PHYTOLOGIST 2016; 209:1174-83. [PMID: 26391726 DOI: 10.1111/nph.13677] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2015] [Accepted: 08/20/2015] [Indexed: 05/25/2023]
Abstract
Soil depth partitioning is thought to promote the diversity of ectomycorrhizal (EM) fungal communities, but little is known about whether it is controlled by abiotic or biotic factors. In three bioassay experiments, we tested the role of vertical soil heterogeneity in determining the distributions and competitive outcomes of the EM sister species Rhizopogon vinicolor and Rhizopogon vesiculosus. We planted Pseudotsuga menziesii seedlings into soils that were either a homogenized mix of upper and lower depths or vertically stratified combinations mimicking natural field conditions. We found that both species colonized the upper or lower soil depths in the absence of competition, suggesting that their distributions were not limited by abiotic edaphic factors. In competition within homogeneous soils, R. vesiculosus completely excluded colonization by R. vinicolor, but R. vinicolor was able to persist when soils were stratified. The amount of colonization by R. vinicolor in the stratified soils was also significantly correlated with the number of multilocus genotypes present. Taken together, our findings suggest that the differential vertical distributions of R. vinicolor and R. vesiculosus in natural settings are probably attributable to competition rather than edaphic specialization, but that soil heterogeneity may play a key role in promoting EM fungal diversity.
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Affiliation(s)
- Alija B Mujic
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, 97330, USA
| | - Daniel M Durall
- Department of Biology, University of British Columbia Okanagan, Kelowna, BC, Canada, V1V1V7
| | - Joseph W Spatafora
- Department of Botany and Plant Pathology, Oregon State University, Corvallis, OR, 97330, USA
| | - Peter G Kennedy
- Departments of Plant Biology and Ecology, Evolution, and Behavior, University of Minnesota, St Paul, MN, 55108, USA
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Baptista P, Reis F, Pereira E, Tavares RM, Santos PM, Richard F, Selosse MA, Lino-Neto T. Soil DNA pyrosequencing and fruitbody surveys reveal contrasting diversity for various fungal ecological guilds in chestnut orchards. ENVIRONMENTAL MICROBIOLOGY REPORTS 2015; 7:946-954. [PMID: 26391727 DOI: 10.1111/1758-2229.12336] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Revised: 09/06/2015] [Accepted: 09/06/2015] [Indexed: 06/05/2023]
Abstract
Fungal diversity in Mediterranean forest soils is poorly documented, particularly when considering saprobic and pathogenic organisms. Next-generation sequencing (NGS) methods applied to soil fungi provide the opportunity to unveil the most inconspicuous functional guilds (e.g. saprobes) and life forms (e.g. Corticiaceae) of this tremendous diversity. We used fruitbody surveys over 2 years and soil 454 metabarcoding in Castanea sativa orchards to evaluate respectively the reproductive (fruitbodies) and vegetative (mycelia) parts of fungal communities in three 100-year-old stands. Analysis of 839 fruitbodies and 210 291 ITS1 reads revealed high fungal diversity, mainly shown by belowground analysis, with high (dominant) abundance of mycorrhizal fruitbodies and reads. Both methods displayed contrasted composition and structure of fungal communities, with Basidio- and Ascomycetes dominating above- and belowground, respectively. For the two dominant fungal guilds (i.e. ectomycorrhizal and saprobic), diversity above- and belowground overlapped weakly. This study is the first assessment of the complementarity of fruitbody surveys and NGS for analysing fungal diversity in Mediterranean ecosystems and shows that belowground methods still need to be completed by fruiting diversity to provide a comprehensive overview of the different fungal guilds. The results shed light on chestnut soil biodiversity and question the spatial distribution and synergies among fungal guilds.
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Affiliation(s)
- Paula Baptista
- CIMO / School of Agriculture, Polytechnic Institute of Bragança, Campus de Santa Apolónia, Apartado 1172, 5301-854, Bragança, Portugal
| | - Francisca Reis
- BioSystems and Integrative Sciences Institute (BioISI), Plant Functional Biology Centre, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - Eric Pereira
- CIMO / School of Agriculture, Polytechnic Institute of Bragança, Campus de Santa Apolónia, Apartado 1172, 5301-854, Bragança, Portugal
| | - Rui M Tavares
- BioSystems and Integrative Sciences Institute (BioISI), Plant Functional Biology Centre, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - Pedro M Santos
- CBMA - Centre of Molecular and Environmental Biology, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - Franck Richard
- UMR 5175 CEFE, Université Montpellier - Campus CNRS, 1919 Route de Mende, 34 293, Montpellier, France
| | - Marc-André Selosse
- Institut de Systématique, Évolution, Biodiversité (ISYEB - UMR 7205 - CNRS, MNHN, UPMC, EPHE), Muséum national d'Histoire naturelle, Sorbonne Universités, 57 rue Cuvier, CP50, 75005, Paris, France
| | - Teresa Lino-Neto
- BioSystems and Integrative Sciences Institute (BioISI), Plant Functional Biology Centre, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
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Matsuda Y, Takeuchi K, Obase K, Ito SI. Spatial distribution and genetic structure of Cenococcum geophilum in coastal pine forests in Japan. FEMS Microbiol Ecol 2015; 91:fiv108. [PMID: 26347080 DOI: 10.1093/femsec/fiv108] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/01/2015] [Indexed: 11/13/2022] Open
Abstract
The asexual ectomycorrhizal fungus Cenococcum geophilum has a wide geographic range in diverse forest ecosystems. Although its genetic diversity has been documented at a stand or regional scale, knowledge of spatial genetic structure is limited. We studied the genetic diversity and spatial structure of C. geophilum in eight Japanese coastal pine forests with a maximum geographic range of 1364 km. A total of 225 samples were subjected to phylogenetic analysis based on the glyceraldehyde 3-phosphate dehydrogenase gene (GAPDH) followed by microsatellite analysis with five loci. The phylogenetic analysis based on GAPDH resolved three groups with most isolates falling into one dominant lineage. Microsatellite analyses generated 104 multilocus genotypes in the overall populations. We detected significant genetic variation within populations and genetic clusters indicating that high genetic diversity may be maintained by possible recombination processes at a stand scale. Although no spatial autocorrelation was detected at a stand scale, the relationship between genetic and geographic distances among the populations was significant, suggesting a pattern of isolation by distance. These results indicate that cryptic recombination events at a local scale and unknown migration events at both stand and regional scales influence spatial distribution and genetic structure of C. geophilum in coastal pine forests of Japan.
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Affiliation(s)
- Yosuke Matsuda
- Laboratory of Forest Pathology and Mycology, Graduate School of Bioresources, Mie University, Kurimamachiya 1577, Tsu, Mie 514-8507, Japan
| | - Kosuke Takeuchi
- Faculty of Bioresources, Mie University, Kurimamachiya 1577, Tsu, Mie 514-8507, Japan
| | - Keisuke Obase
- Laboratory of Forest Pathology and Mycology, Graduate School of Bioresources, Mie University, Kurimamachiya 1577, Tsu, Mie 514-8507, Japan Department of Plant Pathology, University of Florida, 2517 Fifield Hall, Gainesville FL 32611-0680, USA
| | - Shin-ichiro Ito
- Laboratory of Forest Pathology and Mycology, Graduate School of Bioresources, Mie University, Kurimamachiya 1577, Tsu, Mie 514-8507, Japan Mie University, Kurimamachiya 1577, Tsu, Mie 514-8507, Japan
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28
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Rincón A, Santamaría-Pérez B, Rabasa SG, Coince A, Marçais B, Buée M. Compartmentalized and contrasted response of ectomycorrhizal and soil fungal communities of Scots pine forests along elevation gradients in France and Spain. Environ Microbiol 2015; 17:3009-24. [DOI: 10.1111/1462-2920.12894] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2015] [Revised: 04/29/2015] [Accepted: 04/30/2015] [Indexed: 11/28/2022]
Affiliation(s)
- Ana Rincón
- Instituto de Ciencias Agrarias, ICA; CSIC; Serrano 115bis 28006 Madrid Spain
| | | | - Sonia G. Rabasa
- Museo Nacional de Ciencias Naturales, MNCN; CSIC; Serrano 115bis 28006 Madrid Spain
| | - Aurore Coince
- UMR1136 INRA Nancy - Université de Lorraine; Interactions Arbres-Microorganismes; Lab of Excellence ARBRE; INRA; 54280 Champenoux France
| | - Benoit Marçais
- UMR1136 INRA Nancy - Université de Lorraine; Interactions Arbres-Microorganismes; Lab of Excellence ARBRE; INRA; 54280 Champenoux France
| | - Marc Buée
- UMR1136 INRA Nancy - Université de Lorraine; Interactions Arbres-Microorganismes; Lab of Excellence ARBRE; INRA; 54280 Champenoux France
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Mundra S, Halvorsen R, Kauserud H, Müller E, Vik U, Eidesen PB. Arctic fungal communities associated with roots of Bistorta vivipara do not respond to the same fine-scale edaphic gradients as the aboveground vegetation. THE NEW PHYTOLOGIST 2015; 205:1587-1597. [PMID: 25483568 DOI: 10.1111/nph.13216] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2014] [Accepted: 11/07/2014] [Indexed: 06/04/2023]
Abstract
Soil conditions and microclimate are important determinants of the fine-scale distribution of plant species in the Arctic, creating locally heterogeneous vegetation. We hypothesize that root-associated fungal (RAF) communities respond to the same fine-scale environmental gradients as the aboveground vegetation, creating a coherent pattern between aboveground vegetation and RAF. We explored how RAF communities of the ectomycorrhizal (ECM) plant Bistorta vivipara and aboveground vegetation structure of arctic plants were affected by biotic and abiotic variables at 0.3-3.0-m scales. RAF communities were determined using pyrosequencing. Composition and spatial structure of RAF and aboveground vegetation in relation to collected biotic and abiotic variables were analysed by ordination and semi-variance analyses. The vegetation was spatially structured along soil C and N gradients, whereas RAF lacked significant spatial structure. A weak relationship between RAF community composition and the cover of two ECM plants, B. vivipara and S. polaris, was found, and RAF richness increased with host root length and root weight. Results suggest that the fine-scale spatial structure of RAF communities of B. vivipara and the aboveground vegetation are driven by different factors. At fine spatial scales, neighbouring ECM plants may affect RAF community composition, whereas soil nutrients gradients structure the vegetation.
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Affiliation(s)
- Sunil Mundra
- The University Centre in Svalbard (UNIS), PO Box 156, N-9171, Longyearbyen (Svalbard), Norway
- Section for Genetics and Evolutionary Biology, Department of Biosciences, University of Oslo, PO Box 1066 Blindern, NO-0316, Oslo, Norway
| | - Rune Halvorsen
- Natural History Museum, University of Oslo, PO Box 1172 Blindern, NO-0318, Oslo, Norway
| | - Håvard Kauserud
- Section for Genetics and Evolutionary Biology, Department of Biosciences, University of Oslo, PO Box 1066 Blindern, NO-0316, Oslo, Norway
| | - Eike Müller
- The University Centre in Svalbard (UNIS), PO Box 156, N-9171, Longyearbyen (Svalbard), Norway
| | - Unni Vik
- Section for Genetics and Evolutionary Biology, Department of Biosciences, University of Oslo, PO Box 1066 Blindern, NO-0316, Oslo, Norway
| | - Pernille B Eidesen
- The University Centre in Svalbard (UNIS), PO Box 156, N-9171, Longyearbyen (Svalbard), Norway
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Taschen E, Sauve M, Taudiere A, Parlade J, Selosse MA, Richard F. Whose truffle is this? Distribution patterns of ectomycorrhizal fungal diversity in T
uber melanosporum
brûlés developed in multi-host Mediterranean plant communities. Environ Microbiol 2015; 17:2747-61. [DOI: 10.1111/1462-2920.12741] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 12/01/2014] [Accepted: 12/02/2014] [Indexed: 11/27/2022]
Affiliation(s)
- Elisa Taschen
- UMR 5175; CEFE; CNRS - Université de Montpellier - Université Paul-Valéry Montpellier - EPHE - 1919 route de Mende Montpellier 34293 France
| | - Mathieu Sauve
- UMR 5175; CEFE; CNRS - Université de Montpellier - Université Paul-Valéry Montpellier - EPHE - 1919 route de Mende Montpellier 34293 France
| | - Adrien Taudiere
- UMR 5175; CEFE; CNRS - Université de Montpellier - Université Paul-Valéry Montpellier - EPHE - 1919 route de Mende Montpellier 34293 France
| | - Javier Parlade
- Sustainable Plant Protection; IRTA; Centre de Cabrils, Ctra. Cabrils km. 2 Cabrils, Barcelona 08348 Spain
| | - Marc-André Selosse
- Département Systématique et Evolution (UMR 7205 ISYEB); Muséum National d'Histoire Naturelle; CP 50, 45 rue Buffon Paris 75005 France
| | - Franck Richard
- UMR 5175; CEFE; CNRS - Université de Montpellier - Université Paul-Valéry Montpellier - EPHE - 1919 route de Mende Montpellier 34293 France
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32
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Dickie IA, Koide RT. Deep thoughts on ectomycorrhizal fungal communities. THE NEW PHYTOLOGIST 2014; 201:1083-1085. [PMID: 24491112 DOI: 10.1111/nph.12674] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Affiliation(s)
- Ian A Dickie
- Bio-Protection Research Centre, Lincoln University, Lincoln, 7640, New Zealand
| | - Roger T Koide
- Department of Biology, Brigham Young University, Provo, UT, 84602, USA
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