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Prout JN, Williams A, Wanke A, Schornack S, Ton J, Field KJ. Mucoromycotina 'fine root endophytes': a new molecular model for plant-fungal mutualisms? TRENDS IN PLANT SCIENCE 2024; 29:650-661. [PMID: 38102045 DOI: 10.1016/j.tplants.2023.11.014] [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: 08/25/2023] [Revised: 11/10/2023] [Accepted: 11/16/2023] [Indexed: 12/17/2023]
Abstract
The most studied plant-fungal symbioses to date are the interactions between plants and arbuscular mycorrhizal (AM) fungi of the Glomeromycotina clade. Advancements in phylogenetics and microbial community profiling have distinguished a group of symbiosis-forming fungi that resemble AM fungi as belonging instead to the Mucoromycotina. These enigmatic fungi are now known as Mucoromycotina 'fine root endophytes' and could provide a means to understand the origins of plant-fungal symbioses. Most of our knowledge of the mechanisms of fungal symbiosis comes from investigations using AM fungi. Here, we argue that inclusion of Mucoromycotina fine root endophytes in future studies will expand our understanding of the mechanisms, evolution, and ecology of plant-fungal symbioses.
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Affiliation(s)
- James N Prout
- Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Western Bank, Sheffield, S10 2TN, UK.
| | - Alex Williams
- Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Western Bank, Sheffield, S10 2TN, UK
| | - Alan Wanke
- Sainsbury Laboratory, University of Cambridge, Cambridge CB2 1LR, UK
| | | | - Jurriaan Ton
- Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Western Bank, Sheffield, S10 2TN, UK
| | - Katie J Field
- Plants, Photosynthesis and Soil, School of Biosciences, University of Sheffield, Western Bank, Sheffield, S10 2TN, UK.
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Medina-Vega JA, Zuleta D, Aguilar S, Alonso A, Bissiengou P, Brockelman WY, Bunyavejchewin S, Burslem DFRP, Castaño N, Chave J, Dalling JW, de Oliveira AA, Duque Á, Ediriweera S, Ewango CEN, Filip J, Hubbell SP, Itoh A, Kiratiprayoon S, Lum SKY, Makana JR, Memiaghe H, Mitre D, Mohamad MB, Nathalang A, Nilus R, Nkongolo NV, Novotny V, O'Brien MJ, Pérez R, Pongpattananurak N, Reynolds G, Russo SE, Tan S, Thompson J, Uriarte M, Valencia R, Vicentini A, Yao TL, Zimmerman JK, Davies SJ. Tropical tree ectomycorrhiza are distributed independently of soil nutrients. Nat Ecol Evol 2024; 8:400-410. [PMID: 38200369 DOI: 10.1038/s41559-023-02298-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 12/01/2023] [Indexed: 01/12/2024]
Abstract
Mycorrhizae, a form of plant-fungal symbioses, mediate vegetation impacts on ecosystem functioning. Climatic effects on decomposition and soil quality are suggested to drive mycorrhizal distributions, with arbuscular mycorrhizal plants prevailing in low-latitude/high-soil-quality areas and ectomycorrhizal (EcM) plants in high-latitude/low-soil-quality areas. However, these generalizations, based on coarse-resolution data, obscure finer-scale variations and result in high uncertainties in the predicted distributions of mycorrhizal types and their drivers. Using data from 31 lowland tropical forests, both at a coarse scale (mean-plot-level data) and fine scale (20 × 20 metres from a subset of 16 sites), we demonstrate that the distribution and abundance of EcM-associated trees are independent of soil quality. Resource exchange differences among mycorrhizal partners, stemming from diverse evolutionary origins of mycorrhizal fungi, may decouple soil fertility from the advantage provided by mycorrhizal associations. Additionally, distinct historical biogeographies and diversification patterns have led to differences in forest composition and nutrient-acquisition strategies across three major tropical regions. Notably, Africa and Asia's lowland tropical forests have abundant EcM trees, whereas they are relatively scarce in lowland neotropical forests. A greater understanding of the functional biology of mycorrhizal symbiosis is required, especially in the lowland tropics, to overcome biases from assuming similarity to temperate and boreal regions.
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Affiliation(s)
- José A Medina-Vega
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Washington, DC, USA.
| | - Daniel Zuleta
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Washington, DC, USA
| | | | - Alfonso Alonso
- Center for Conservation and Sustainability, Smithsonian National Zoo and Conservation Biology Institute, Washington, DC, USA
| | - Pulchérie Bissiengou
- Herbier National du Gabon, Institut de Pharmacopée et de Médecine Traditionelle, Libreville, Gabon
| | - Warren Y Brockelman
- National Biobank of Thailand, National Science and Technology Development Agency, Khlong Luang, Thailand
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
| | - Sarayudh Bunyavejchewin
- Thai Long-Term Forest Ecological Research Project, Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok, Thailand
| | | | - Nicolás Castaño
- Herbario Amazónico Colombiano, Instituto Amazónico de Investigaciones Científicas Sinchi, Bogotá, Colombia
| | - Jérôme Chave
- Laboratoire Evolution et Diversité Biologique, CNRS, UPS, IRD, Université Paul Sabatier, Toulouse, France
| | - James W Dalling
- Smithsonian Tropical Research Institute, Balboa, Panama
- Department of Plant Biology, University of Illinois Urbana-Champaign, Urbana, IL, USA
| | - Alexandre A de Oliveira
- Departamento de Ecologia, Instituto de Biociências, Universidade de São Paulo, São Paulo, Brazil
| | - Álvaro Duque
- Departamento de Ciencias Forestales, Universidad Nacional de Colombia Sede Medellín, Medellín, Colombia
| | - Sisira Ediriweera
- Department of Science and Technology, Uva Wellassa University, Badulla, Sri Lanka
| | - Corneille E N Ewango
- Faculty of Sciences, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Jonah Filip
- Binatang Research Center, Madang, Papua New Guinea
| | - Stephen P Hubbell
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, CA, USA
| | - Akira Itoh
- Graduate School of Science, Osaka Metropolitan University, Osaka, Japan
| | - Somboon Kiratiprayoon
- Faculty of Science and Technology, Thammasat University (Rangsit), Pathum Thani, Thailand
| | - Shawn K Y Lum
- Asian School of the Environment, Nanyang Technological University, Singapore, Singapore
| | - Jean-Remy Makana
- Faculty of Sciences, University of Kisangani, Kisangani, Democratic Republic of the Congo
| | - Hervé Memiaghe
- Institut de Recherche en Ecologie Tropicale, Centre National de la Recherche Scientifique et Technologique, Libreville, Gabon
| | - David Mitre
- Smithsonian Tropical Research Institute, Balboa, Panama
| | | | - Anuttara Nathalang
- National Biobank of Thailand, National Science and Technology Development Agency, Khlong Luang, Thailand
| | - Reuben Nilus
- Sabah Forestry Department, Forest Research Centre, Sandakan, Malaysia
| | - Nsalambi V Nkongolo
- School of Science, Navajo Technical University, Crownpoint, NM, USA
- Institut Facultaire des Sciences Agronomiques (IFA) de Yangambi, Kisangani, Democratic Republic of the Congo
| | - Vojtech Novotny
- Biology Centre, Institute of Entomology of the Czech Academy of Sciences, Ceske Budejovice, Czech Republic
- Faculty of Science, University of South Bohemia, Ceske Budejovice, Czech Republic
| | - Michael J O'Brien
- Estación Experimental de Zonas Áridas, Consejo Superior de Investigaciones Científicas, Almería, Spain
| | - Rolando Pérez
- Smithsonian Tropical Research Institute, Balboa, Panama
| | - Nantachai Pongpattananurak
- Thai Long-Term Forest Ecological Research Project, Department of Forest Biology, Faculty of Forestry, Kasetsart University, Bangkok, Thailand
| | - Glen Reynolds
- Southeast Asia Rainforest Research Partnership (SEARRP), Kota Kinabalu, Malaysia
| | - Sabrina E Russo
- School of Biological Sciences, University of Nebraska, Lincoln, NE, USA
- Center for Plant Science Innovation, University of Nebraska, Lincoln, NE, USA
| | | | | | - María Uriarte
- Department of Ecology, Evolution, and Environmental Biology, Columbia University, New York, NY, USA
| | - Renato Valencia
- Escuela de Ciencias Biológicas, Pontificia Universidad Católica del Ecuador, Quito, Ecuador
| | - Alberto Vicentini
- Coordenação de Dinâmica Ambiental (CODAM), Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Brazil
| | - Tze Leong Yao
- Forestry and Environment Division, Forest Research Institute Malaysia, Kepong, Malaysia
| | - Jess K Zimmerman
- Department of Environmental Sciences, University of Puerto Rico, San Juan, PR, USA
| | - Stuart J Davies
- Forest Global Earth Observatory, Smithsonian Tropical Research Institute, Washington, DC, USA
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Zhang Y, Feng H, Druzhinina IS, Xie X, Wang E, Martin F, Yuan Z. Phosphorus/nitrogen sensing and signaling in diverse root-fungus symbioses. Trends Microbiol 2024; 32:200-215. [PMID: 37689488 DOI: 10.1016/j.tim.2023.08.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/14/2023] [Accepted: 08/15/2023] [Indexed: 09/11/2023]
Abstract
Establishing mutualistic relationships between plants and fungi is crucial for overcoming nutrient deficiencies in plants. This review highlights the intricate nutrient sensing and uptake mechanisms used by plants in response to phosphate and nitrogen starvation, as well as their interactions with plant immunity. The coordination of transport systems in both host plants and fungal partners ensures efficient nutrient uptake and assimilation, contributing to the long-term maintenance of these mutualistic associations. It is also essential to understand the distinct responses of fungal partners to external nutrient levels and forms, as they significantly impact the outcomes of symbiotic interactions. Our review also highlights the importance of evolutionarily younger and newly discovered root-fungus associations, such as endophytic associations, which offer potential benefits for improving plant nutrition. Mechanistic insights into the complex dynamics of phosphorus and nitrogen sensing within diverse root-fungus associations can facilitate the identification of molecular targets for engineering symbiotic systems and developing plant phenotypes with enhanced nutrient use efficiency. Ultimately, this knowledge can inform tailored fertilizer management practices to optimize plant nutrition.
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Affiliation(s)
- Yuwei Zhang
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, Beijing 10091, China; Nanjing Forestry University, Nanjing 210037, China; Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, China
| | - Huan Feng
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, SIBS, Chinese Academy of Sciences, Shanghai 200032, China
| | | | - Xianan Xie
- State Key Laboratory of Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China
| | - Ertao Wang
- National Key Laboratory of Plant Molecular Genetics, CAS Center for Excellence in Molecular Plant Sciences, Institute of Plant Physiology and Ecology, SIBS, Chinese Academy of Sciences, Shanghai 200032, China.
| | - Francis Martin
- Université de Lorraine, INRAE, UMR Interactions Arbres/Microorganismes, Centre INRAE Grand Est - Nancy, 54 280 Champenoux, France.
| | - Zhilin Yuan
- State Key Laboratory of Tree Genetics and Breeding, Chinese Academy of Forestry, Beijing 10091, China; Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, China.
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Rungjindamai N, Jones EBG. Why Are There So Few Basidiomycota and Basal Fungi as Endophytes? A Review. J Fungi (Basel) 2024; 10:67. [PMID: 38248976 PMCID: PMC10820240 DOI: 10.3390/jof10010067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/06/2024] [Accepted: 01/11/2024] [Indexed: 01/23/2024] Open
Abstract
A review of selected studies on fungal endophytes confirms the paucity of Basidiomycota and basal fungi, with almost 90% attributed to Ascomycota. Reasons for the low number of Basidiomycota and basal fungi, including the Chytridiomycota, Mucoromycota, and Mortierellomycota, are advanced, including isolation procedure and media, incubation period and the slow growth of basidiomycetes, the identification of non-sporulating isolates, endophyte competition, and fungus-host interactions. We compare the detection of endophytes through culture-dependent methods and culture-independent methods, the role of fungi on senescence of the host plant, and next-generation studies.
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Affiliation(s)
- Nattawut Rungjindamai
- Department of Biology, School of Science, King Mongkut’s Institute of Technology Ladkrabang (KMITL), Chalongkrung Road, Ladkrabang, Bangkok 10520, Thailand
| | - E. B. Gareth Jones
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia;
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Perez‐Lamarque B, Laurent‐Webb L, Bourceret A, Maillet L, Bik F, Cartier D, Labolle F, Holveck P, Epp D, Selosse M. Fungal microbiomes associated with Lycopodiaceae during ecological succession. ENVIRONMENTAL MICROBIOLOGY REPORTS 2023; 15:109-118. [PMID: 36216403 PMCID: PMC10103886 DOI: 10.1111/1758-2229.13130] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 09/27/2022] [Indexed: 05/20/2023]
Abstract
Lycopodiaceae species form an early-diverging plant family, characterized by achlorophyllous and subterranean gametophytes that rely on mycorrhizal fungi for their nutrition. Lycopodiaceae often emerge after a disturbance, like in the Hochfeld reserve (Alsace, France) where seven lycopod species appeared on new ski trails following a forest cut. Here, to better understand their ecological dynamic, we conducted a germination experiment of lycopod spores following an anthropogenic disturbance and examined their associated fungi. Only 12% of the samples germinated, and all gametophytes were abundantly colonized by a specific clade of Densosporaceae (Endogonales, Mucoromycotina), which were also present in the roots of lycopod sporophytes, but absent from the ungerminated spores and the roots of surrounding herbaceous plants, suggesting high mycorrhizal specificity in Lycopodiaceae. In addition, ungerminated spores were profusely parasitized by chytrid fungi, also present in the surrounding lycopod gametophytes and sporophytes, which might explain the low spore germination rate. Altogether, the requirement of specific mycorrhizal Mucoromycotina fungi and the high prevalence of parasites may explain why Lycopodiaceae are often rare pioneer species in temperate regions, limited to the first stages of ecological succession. This illustrates the primordial roles that belowground microbes play in aboveground plant dynamics.
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Affiliation(s)
- Benoît Perez‐Lamarque
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'histoire naturelle, CNRS, Sorbonne Université, EPHE, UA, CP39ParisFrance
- Institut de biologie de l'École normale supérieure (IBENS), École normale supérieure, CNRS, INSERM, Université PSLParisFrance
| | - Liam Laurent‐Webb
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'histoire naturelle, CNRS, Sorbonne Université, EPHE, UA, CP39ParisFrance
| | - Amélia Bourceret
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'histoire naturelle, CNRS, Sorbonne Université, EPHE, UA, CP39ParisFrance
| | - Louis Maillet
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'histoire naturelle, CNRS, Sorbonne Université, EPHE, UA, CP39ParisFrance
| | | | - Denis Cartier
- Pôle Lorrain du Futur Conservatoire Botanique National Nord‐Est, Jardin botanique Jean‐Marie PeltVillers‐lès‐NancyFrance
| | - François Labolle
- Université de Strasbourg, Faculté des Sciences de la Vie, Institut de BotaniqueStrasbourgFrance
| | - Pascal Holveck
- Réseau National Habitats‐Flore, Office National des Forêts (ONF)ParisFrance
| | - Didier Epp
- Office National des Forêts (ONF), Service environnement et planification forestièreSchirmeckFrance
| | - Marc‐André Selosse
- Institut de Systématique, Évolution, Biodiversité (ISYEB), Muséum national d'histoire naturelle, CNRS, Sorbonne Université, EPHE, UA, CP39ParisFrance
- Department of Plant Taxonomy and Nature ConservationUniversity of GdanskGdanskPoland
- Institut universitaire de France (IUF)ParisFrance
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