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Plett JM, Wojtalewicz D, Plett KL, Collin S, Kohler A, Jacob C, Martin F. Sesquiterpenes of the ectomycorrhizal fungus Pisolithus microcarpus alter root growth and promote host colonization. MYCORRHIZA 2024; 34:69-84. [PMID: 38441669 PMCID: PMC10998793 DOI: 10.1007/s00572-024-01137-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Accepted: 02/01/2024] [Indexed: 04/07/2024]
Abstract
Trees form symbioses with ectomycorrhizal (ECM) fungi, maintained in part through mutual benefit to both organisms. Our understanding of the signaling events leading to the successful interaction between the two partners requires further study. This is especially true for understanding the role of volatile signals produced by ECM fungi. Terpenoids are a predominant class of volatiles produced by ECM fungi. While several ECM genomes are enriched in the enzymes responsible for the production of these volatiles (i.e., terpene synthases (TPSs)) when compared to other fungi, we have limited understanding of the biochemical products associated with each enzyme and the physiological impact of specific terpenes on plant growth. Using a combination of phylogenetic analyses, RNA sequencing, and functional characterization of five TPSs from two distantly related ECM fungi (Laccaria bicolor and Pisolithus microcarpus), we investigated the role of these secondary metabolites during the establishment of symbiosis. We found that despite phylogenetic divergence, these TPSs produced very similar terpene profiles. We focused on the role of P. microcarpus terpenes and found that the fungus expressed a diverse array of mono-, di-, and sesquiterpenes prior to contact with the host. However, these metabolites were repressed following physical contact with the host Eucalyptus grandis. Exposure of E. grandis to heterologously produced terpenes (enriched primarily in γ -cadinene) led to a reduction in the root growth rate and an increase in P. microcarpus-colonized root tips. These results support a very early putative role of fungal-produced terpenes in the establishment of symbiosis between mycorrhizal fungi and their hosts.
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Affiliation(s)
- Jonathan M Plett
- Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW, 2753, Australia.
| | - Dominika Wojtalewicz
- Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW, 2753, Australia
| | - Krista L Plett
- Hawkesbury Institute for the Environment, Western Sydney University, Richmond, NSW, 2753, Australia
- Elizabeth Macarthur Agricultural Institute, NSW Department of Primary Industries, Menangle, NSW, 2568, Australia
| | - Sabrina Collin
- Université de Lorraine, CNRS, IMoPA, F-54000, Nancy, France
| | - Annegret Kohler
- Université de Lorraine, INRAE, UMR Interactions Arbres-Microorganismes, Centre INRAE Grand Est-Nancy, 54280, Champenoux, France
| | | | - Francis Martin
- Université de Lorraine, INRAE, UMR Interactions Arbres-Microorganismes, Centre INRAE Grand Est-Nancy, 54280, Champenoux, France
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Jiang X, Chen D, Zhang Y, Naz M, Dai Z, Qi S, Du D. Impacts of Arbuscular Mycorrhizal Fungi on Metabolites of an Invasive Weed Wedelia trilobata. Microorganisms 2024; 12:701. [PMID: 38674645 PMCID: PMC11052372 DOI: 10.3390/microorganisms12040701] [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: 03/07/2024] [Revised: 03/27/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
The invasive plant Wedelia trilobata benefits in various aspects, such as nutrient absorption and environmental adaptability, by establishing a close symbiotic relationship with arbuscular mycorrhizal fungi (AMF). However, our understanding of whether AMF can benefit W. trilobata by influencing its metabolic profile remains limited. In this study, Liquid chromatography-tandem mass spectrometry (LC-MS/MS) was conducted to analyze the metabolites of W. trilobata under AMF inoculation. Metabolomic analysis identified 119 differentially expressed metabolites (DEMs) between the groups inoculated with AMF and those not inoculated with AMF. Compared to plants with no AMF inoculation, plants inoculated with AMF showed upregulation in the relative expression of 69 metabolites and downregulation in the relative expression of 50 metabolites. AMF significantly increased levels of various primary and secondary metabolites in plants, including amino acids, organic acids, plant hormones, flavonoids, and others, with amino acids being the most abundant among the identified substances. The identified DEMs mapped 53 metabolic pathways, with 7 pathways strongly influenced by AMF, particularly the phenylalanine metabolism pathway. Moreover, we also observed a high colonization level of AMF in the roots of W. trilobata, significantly promoting the shoot growth of this plant. These changes in metabolites and metabolic pathways significantly affect multiple physiological and biochemical processes in plants, such as free radical scavenging, osmotic regulation, cell structure stability, and material synthesis. In summary, AMF reprogrammed the metabolic pathways of W. trilobata, leading to changes in both primary and secondary metabolomes, thereby benefiting the growth of W. trilobata and enhancing its ability to respond to various biotic and abiotic stressors. These findings elucidate the molecular regulatory role of AMF in the invasive plant W. trilobata and provide new insights into the study of its competitive and stress resistance mechanisms.
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Affiliation(s)
- Xinqi Jiang
- School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China; (X.J.); (D.C.); (Y.Z.)
| | - Daiyi Chen
- School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China; (X.J.); (D.C.); (Y.Z.)
| | - Yu Zhang
- School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China; (X.J.); (D.C.); (Y.Z.)
| | - Misbah Naz
- Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China; (M.N.); (Z.D.)
| | - Zhicong Dai
- Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China; (M.N.); (Z.D.)
- Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Shanshan Qi
- School of Agricultural Engineering, Jiangsu University, Zhenjiang 212013, China; (X.J.); (D.C.); (Y.Z.)
| | - Daolin Du
- Institute of Environment and Ecology, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China; (M.N.); (Z.D.)
- Jingjiang College, Jiangsu University, Zhenjiang 212013, China
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Metwally RA, Taha MA, El-Moaty NMA, Abdelhameed RE. Attenuation of Zucchini mosaic virus disease in cucumber plants by mycorrhizal symbiosis. PLANT CELL REPORTS 2024; 43:54. [PMID: 38315215 PMCID: PMC10844420 DOI: 10.1007/s00299-023-03138-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Accepted: 12/29/2023] [Indexed: 02/07/2024]
Abstract
KEY MESSAGE Arbuscular mycorrhizal fungi generated systemic acquired resistance in cucumber to Zucchini yellow mosaic virus, indicating their prospective application in the soil as a sustainable, environmentally friendly approach to inhibit the spread of pathogens. The wide spread of plant pathogens affects the whole world, causing several plant diseases and threatening national food security as it disrupts the quantity and quality of economically important crops. Recently, environmentally acceptable mitigating practices have been required for sustainable agriculture, restricting the use of chemical fertilizers in agricultural areas. Herein, the biological control of Zucchini yellow mosaic virus (ZYMV) in cucumber (Cucumis sativus L.) plants using arbuscular mycorrhizal (AM) fungi was investigated. Compared to control plants, ZYMV-infected plants displayed high disease incidence (DI) and severity (DS) with various symptoms, including severe yellow mosaic, mottling and green blisters of leaves. However, AM fungal inoculation exhibited 50% inhibition for these symptoms and limited DS to 26% as compared to non-colonized ones. The detection of ZYMV by the Enzyme-Linked Immunosorbent Assay technique exhibited a significant reduction in AM-inoculated plants (5.23-fold) compared with non-colonized ones. Besides, mycorrhizal root colonization (F%) was slightly reduced by ZYMV infection. ZYMV infection decreased all growth parameters and pigment fractions and increased the malondialdehyde (MDA) content, however, these parameters were significantly enhanced and the MDA content was decreased by AM fungal colonization. Also, the protein, proline and antioxidant enzymes (POX and CAT) were increased with ZYMV infection with more enhancements due to AM root colonization. Remarkably, defence pathogenesis-related (PR) genes such as PR-a, PR-b, and PR-10 were quickly expressed in response to AM treatment. Our findings demonstrated the beneficial function of AM fungi in triggering the plant defence against ZYMV as they caused systemic acquired resistance in cucumber plants and supported their potential use in the soil as an environment-friendly method of hindering the spread of pathogenic microorganisms sustainably.
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Affiliation(s)
- Rabab A Metwally
- Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig, 44519, Egypt.
| | - Mohamed A Taha
- Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig, 44519, Egypt
| | - Nada M Abd El-Moaty
- Microbiology Department, Soil, Water and Environment Research Institute (SWERI), Agricultural Research Center, Giza, Egypt
| | - Reda E Abdelhameed
- Botany and Microbiology Department, Faculty of Science, Zagazig University, Zagazig, 44519, Egypt
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Jemo M, Nkenmegne S, Buernor AB, Raklami A, Ambang Z, Souleyamanou A, Ouhdouch Y, Hafidi M. Mycorrhizas and Trichoderma fungi increase the accumulation of secondary metabolites in grain legume leaves and suppress foliar diseases in field-grown conditions of the humid forest of Cameroon. BMC PLANT BIOLOGY 2023; 23:582. [PMID: 37986040 PMCID: PMC10662906 DOI: 10.1186/s12870-023-04587-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 11/06/2023] [Indexed: 11/22/2023]
Abstract
BACKGROUND Arbuscular mycorrhizal and Trichoderma fungi alter the synthesis of secondary metabolites of plants and confer tolerance from pathogens attacks. However, there is less supportive evidence from on-field studies confirming the above-mentioned hypothesis, particularly for the humid forest zone of Cameroon where pathogens are important sources of yield losses for legumes such as soybean and common bean. MATERIALS AND METHODS We evaluated the impacts of mycorrhiza isolates of Rhizophagus intraradices (Ri) and Trichoderma asperellum (Ta) fungi and their co-inoculations (Ta x Ri) in the synthetizing of leaves secondary metabolites, foliar disease symptoms, growth, N and P uptake, and yields of three genotypes of soybean (TGx 1485-1D, TGx 1990-93 F, and TGx 1990-97 F) and common beans (NUA-99, DOR-701, and PNN) under field conditions of Cameroon. RESULTS We found that common bean plants showed a lower foliar infection rate but a higher increase in root colonization intensity, shoot dry weight, and N and P uptakes than soybeans when inoculated with Ri and Ta treatment. However, the grain yield of soybean soybean was higher (2000 kg ha 1) than the common bean plants for the Ri × Ta treatment. The soybean genotype TGx 1990-93F had increased root colonization intensity and the lowest foliar infection rate, making it stronger and tolerant to pathogen attacks when co-inoculated with Ri × Ta fungi (F). Bean plants inoculated with Ri and the co-inoculated with Ri × Ta demonstrated lower symptoms of foliar attack, and increased root colonization, particularly the PNN variety. The total amino acid and proline accumulations were higher for soybean than common bean plants due to fungi inoculations, and soybean genotypes accumulated more excellent contents of amino acid and proline in the control (10.1 mg g- 1 fwt) that significantly increased under the Ri × Ta inoculation (13.4 mg g- 1 fwt). CONCLUSIONS Common bean plants inoculated with Ta and Ri fungi accumulated higher phenolic compounds in their leaves that aided them in overcoming the pathogen attacks than soybean plants.
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Affiliation(s)
- Martin Jemo
- AgroBiosciences Program, College of Agriculture and Environmental Sciences (CAES), Mohammed VI Polytechnic University (UM6P), Lot 660, Hay Moulay Rachid, Benguerir, 43150, Morocco.
| | - Severin Nkenmegne
- Department of Plant Biology, Faculty of Science, University of Yaoundé I, P.O. Box. 812, Yaoundé, Cameroon
| | - Alfred Balenor Buernor
- AgroBiosciences Program, College of Agriculture and Environmental Sciences (CAES), Mohammed VI Polytechnic University (UM6P), Lot 660, Hay Moulay Rachid, Benguerir, 43150, Morocco
| | - Anas Raklami
- AgroBiosciences Program, College of Agriculture and Environmental Sciences (CAES), Mohammed VI Polytechnic University (UM6P), Lot 660, Hay Moulay Rachid, Benguerir, 43150, Morocco
| | - Zachee Ambang
- Department of Plant Biology, Faculty of Science, University of Yaoundé I, P.O. Box. 812, Yaoundé, Cameroon
| | - Adamou Souleyamanou
- Department of Plant Biology, Faculty of Science, University of Yaoundé I, P.O. Box. 812, Yaoundé, Cameroon
| | - Yedir Ouhdouch
- Laboratory of Microbial Biotechnologies, Agrosciences and Environment, (BioMAgE) Labeled Research Unit-CNRST N°4, Faculty of Sciences Semlalia, University Cadi Ayyad (UCA), Marrakech, BP 2390, Morocco
| | - Mohamed Hafidi
- AgroBiosciences Program, College of Agriculture and Environmental Sciences (CAES), Mohammed VI Polytechnic University (UM6P), Lot 660, Hay Moulay Rachid, Benguerir, 43150, Morocco
- Laboratory of Microbial Biotechnologies, Agrosciences and Environment, (BioMAgE) Labeled Research Unit-CNRST N°4, Faculty of Sciences Semlalia, University Cadi Ayyad (UCA), Marrakech, BP 2390, Morocco
- African Sustainable Agriculture Research Institute (ASARI), Mohammed VI Polytechnic University (UM6P), Laayoune, 7000, Morocco
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Razo-Belmán R, Ángeles-López YI, García-Ortega LF, León-Ramírez CG, Ortiz-Castellanos L, Yu H, Martínez-Soto D. Fungal volatile organic compounds: mechanisms involved in their sensing and dynamic communication with plants. FRONTIERS IN PLANT SCIENCE 2023; 14:1257098. [PMID: 37810383 PMCID: PMC10559904 DOI: 10.3389/fpls.2023.1257098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 09/05/2023] [Indexed: 10/10/2023]
Abstract
Microbial volatile organic compounds (MVOCs) are mixtures of gas-phase hydrophobic carbon-based molecules produced by microorganisms such as bacteria and fungi. They can act as airborne signals sensed by plants being crucial players in triggering signaling cascades influencing their secondary metabolism, development, and growth. The role of fungal volatile organic compounds (FVOCs) from beneficial or detrimental species to influence the physiology and priming effect of plants has been well studied. However, the plants mechanisms to discern between FVOCs from friend or foe remains significantly understudied. Under this outlook, we present an overview of the VOCs produced by plant-associate fungal species, with a particular focus on the challenges faced in VOCs research: i) understanding how plants could perceive FVOCs, ii) investigating the differential responses of plants to VOCs from beneficial or detrimental fungal strains, and finally, iii) exploring practical aspects related to the collection of VOCs and their eco-friendly application in agriculture.
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Affiliation(s)
- Rosario Razo-Belmán
- Departamento de Alimentos, División de Ciencias de la Vida, Universidad de Guanajuato, Irapuato, Guanajuato, Mexico
| | | | - Luis Fernando García-Ortega
- Departamento de Ingeniería Genética, Centro de Investigación y de Estudios Avanzados del IPN, Unidad Irapuato, Irapuato, Mexico
| | - Claudia Geraldine León-Ramírez
- Departamento de Ingeniería Genética, Centro de Investigación y de Estudios Avanzados del IPN, Unidad Irapuato, Irapuato, Mexico
| | - Lucila Ortiz-Castellanos
- Departamento de Ingeniería Genética, Centro de Investigación y de Estudios Avanzados del IPN, Unidad Irapuato, Irapuato, Mexico
| | - Houlin Yu
- Department of Biochemistry and Molecular Biology, University of Massachusetts Amherst, Amherst, MA, United States
| | - Domingo Martínez-Soto
- Departamento de Microbiología, Centro de Investigación Científica y de Educación Superior de Ensenada, Ensenada, Baja California, Mexico
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Abbas F, Yu Y, Bendahmane M, Wang HC. Plant volatiles and color compounds: From biosynthesis to function. PHYSIOLOGIA PLANTARUM 2023; 175:e13947. [PMID: 37357979 DOI: 10.1111/ppl.13947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 06/05/2023] [Indexed: 06/27/2023]
Affiliation(s)
- Farhat Abbas
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops-South China/Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Yixun Yu
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops-South China/Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou, China
| | - Mohammed Bendahmane
- Laboratoire Reproduction et Development des Plantes, INRA-CNRS-Lyon1-ENS, Ecole Normale Supérieure de Lyon, Lyon, France
| | - Hui-Cong Wang
- Key Laboratory of Biology and Genetic Improvement of Horticultural Crops-South China/Guangdong Litchi Engineering Research Center, College of Horticulture, South China Agricultural University, Guangzhou, China
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Wu QS, Silva FSB, Hijri M, Kapoor R. Editorial: Arbuscular mycorrhiza-mediated augmentation of plant secondary metabolite production. FRONTIERS IN PLANT SCIENCE 2023; 14:1150900. [PMID: 36860900 PMCID: PMC9969354 DOI: 10.3389/fpls.2023.1150900] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Accepted: 01/31/2023] [Indexed: 06/18/2023]
Affiliation(s)
- Qiang-Sheng Wu
- College of Horticulture and Gardening, Yangtze University, Jingzhou, China
| | - Fábio S. B. Silva
- Institute of Biological Sciences, University of Pernambuco, Recife, Brazil
| | - Mohamed Hijri
- Institut de Recherche en Biologie Végétale, Département de Sciences Biologiques, Université de Montréal, Montréal, QC, Canada
- African Genome Center, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Rupam Kapoor
- Department of Botany, Faculty of Science, University of Delhi, Delhi, India
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