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Williams A, Sinanaj B, Hoysted GA. Plant-microbe interactions through a lens: tales from the mycorrhizosphere. ANNALS OF BOTANY 2024; 133:399-412. [PMID: 38085925 PMCID: PMC11006548 DOI: 10.1093/aob/mcad191] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 12/11/2023] [Indexed: 04/12/2024]
Abstract
BACKGROUND The soil microbiome plays a pivotal role in maintaining ecological balance, supporting food production, preserving water quality and safeguarding human health. Understanding the intricate dynamics within the soil microbiome necessitates unravelling complex bacterial-fungal interactions (BFIs). BFIs occur in diverse habitats, such as the phyllosphere, rhizosphere and bulk soil, where they exert substantial influence on plant-microbe associations, nutrient cycling and overall ecosystem functions. In various symbiotic associations, fungi form mycorrhizal connections with plant roots, enhancing nutrient uptake through the root and mycorrhizal pathways. Concurrently, specific soil bacteria, including mycorrhiza helper bacteria, play a pivotal role in nutrient acquisition and promoting plant growth. Chemical communication and biofilm formation further shape plant-microbial interactions, affecting plant growth, disease resistance and nutrient acquisition processes. SCOPE Promoting synergistic interactions between mycorrhizal fungi and soil microbes holds immense potential for advancing ecological knowledge and conservation. However, despite the significant progress, gaps remain in our understanding of the evolutionary significance, perception, functional traits and ecological relevance of BFIs. Here we review recent findings obtained with respect to complex microbial communities - particularly in the mycorrhizosphere - and include the latest advances in the field, outlining their profound impacts on our understanding of ecosystem dynamics and plant physiology and function. CONCLUSIONS Deepening our understanding of plant BFIs can help assess their capabilities with regard to ecological and agricultural safe-guarding, in particular buffering soil stresses, and ensuring sustainable land management practices. Preserving and enhancing soil biodiversity emerge as critical imperatives in sustaining life on Earth amidst pressures of anthropogenic climate change. A holistic approach integrates scientific knowledge on bacteria and fungi, which includes their potential to foster resilient soil ecosystems for present and future generations.
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Affiliation(s)
- Alex Williams
- Plants, Photosynthesis and Soil, School of Bioscience, University of Sheffield, Sheffield, S10 2TN, UK
| | - Besiana Sinanaj
- Plants, Photosynthesis and Soil, School of Bioscience, University of Sheffield, Sheffield, S10 2TN, UK
| | - Grace A Hoysted
- Department of Biology, Maynooth University, Maynooth, Co. Kildare, Ireland
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Liu J, Xu Y, Si YJ, Li BQ, Chen P, Wu LL, Guo P, Ji RQ. The Diverse Mycorrizal Morphology of Rhododendron dauricum, the Fungal Communities Structure and Dynamics from the Mycorrhizosphere. J Fungi (Basel) 2024; 10:65. [PMID: 38248974 PMCID: PMC10817234 DOI: 10.3390/jof10010065] [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: 12/07/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 01/23/2024] Open
Abstract
It is generally believed that mycorrhiza is a microecosystem composed of mycorrhizal fungi, host plants and other microscopic organisms. The mycorrhiza of Rhododendron dauricum is more complex and the diverse morphology of our investigated results displays both typical ericoid mycorrhizal characteristics and ectomycorrhizal traits. The characteristics of ectendoomycorrhiza, where mycelial invade from the outside into the root cells, have also been observed. In order to further clarify the mycorrhizal fungi members and other fungal communities of R. dauricum mycorrhiza, and explore the effects of vegetation and soil biological factors on their community structure, we selected two woodlands in the northeast of China as samples-one is a mixed forest of R. dauricum and Quercus mongolica, and the other a mixed forest of R. dauricum, Q. mongolica, and Pinus densiflor. The sampling time was during the local growing season, from June to September. High-throughput sequencing yielded a total of 3020 fungal amplicon sequence variants (ASVs), which were based on sequencing of the internal transcribed spacer ribosomal RNA (ITS rRNA) via the Illumina NovaSeq platform. In the different habitats of R. dauricum, there are differences in the diversity of fungi obtained from mycorrhizal niches, and specifically the mycorrhizal fungal community structure in the complex vegetation of mixed forests, where R. dauricum is found, exhibits greater stability, with relatively minor changes over time. Soil fungi are identified as the primary source of fungi within the mycorrhizal niche, and the abundance of mycorrhizal fungi from mycorrhizal niches in R. dauricum is significantly influenced by soil pH, organic matter, and available nitrogen. The relationship between soil fungi and mycorrhizal fungi from mycorrhizal niches is simultaneously found to be intricate, while the genus Hydnellum emerges as a central genus among mycorrhizal fungi from mycorrhizal niches. However, there is currently a substantial gap in the foundational research of this genus, including the fact that mycorrhizal fungi from mycorrhizal niches have, compared to fungi present in the soil, proven to be more sensitive to changes in soil moisture.
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Affiliation(s)
| | | | | | | | | | | | | | - Rui-Qing Ji
- Engineering Research Center of Edible and Medicinal Fungi, Ministry of Education, Jilin Agricultural University, Changchun 130118, China; (J.L.); (Y.X.); (Y.-J.S.); (B.-Q.L.); (P.C.); (L.-L.W.); (P.G.)
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Yurkov AP, Afonin AM, Kryukov AA, Gorbunova AO, Kudryashova TR, Kovalchuk AI, Gorenkova AI, Bogdanova EM, Kosulnikov YV, Laktionov YV, Kozhemyakov AP, Romanyuk DA, Zhukov VA, Puzanskiy RK, Mikhailova YV, Yemelyanov VV, Shishova MF. The Effects of Rhizophagus irregularis Inoculation on Transcriptome of Medicago lupulina Leaves at Early Vegetative and Flowering Stages of Plant Development. PLANTS (BASEL, SWITZERLAND) 2023; 12:3580. [PMID: 37896043 PMCID: PMC10610208 DOI: 10.3390/plants12203580] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 10/02/2023] [Accepted: 10/13/2023] [Indexed: 10/29/2023]
Abstract
The study is aimed at revealing the effects of Rhizophagus irregularis inoculation on the transcriptome of Medicago lupulina leaves at the early (second leaf formation) and later (flowering) stages of plant development. A pot experiment was conducted under conditions of low phosphorus (P) level in the substrate. M. lupulina plants were characterized by high mycorrhizal growth response and mycorrhization parameters. Library sequencing was performed on the Illumina HiseqXTen platform. Significant changes in the expression of 4863 (padj < 0.01) genes from 34049 functionally annotated genes were shown by Massive Analysis of cDNA Ends (MACE-Seq). GO enrichment analysis using the Kolmogorov-Smirnov test was performed, and 244 functional GO groups were identified, including genes contributing to the development of effective AM symbiosis. The Mercator online tool was used to assign functional classes of differentially expressed genes (DEGs). The early stage was characterized by the presence of six functional classes that included only upregulated GO groups, such as genes of carbohydrate metabolism, cellular respiration, nutrient uptake, photosynthesis, protein biosynthesis, and solute transport. At the later stage (flowering), the number of stimulated GO groups was reduced to photosynthesis and protein biosynthesis. All DEGs of the GO:0016036 group were downregulated because AM plants had higher resistance to phosphate starvation. For the first time, the upregulation of genes encoding thioredoxin in AM plant leaves was shown. It was supposed to reduce ROS level and thus, consequently, enhance the mechanisms of antioxidant protection in M. lupulina plants under conditions of low phosphorus level. Taken together, the obtained results indicate genes that are the most important for the effective symbiosis with M. lupulina and might be engaged in other plant species.
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Affiliation(s)
- Andrey P. Yurkov
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
| | - Alexey M. Afonin
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
| | - Alexey A. Kryukov
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
| | - Anastasia O. Gorbunova
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
| | - Tatyana R. Kudryashova
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
- Graduate School of Biotechnology and Food Science, Peter the Great St. Petersburg Polytechnic University, St. Petersburg 194064, Russia
| | - Anastasia I. Kovalchuk
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
- Graduate School of Biotechnology and Food Science, Peter the Great St. Petersburg Polytechnic University, St. Petersburg 194064, Russia
| | - Anastasia I. Gorenkova
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
- Faculty of Biology, St. Petersburg State University, St. Petersburg 199034, Russia; (R.K.P.); (V.V.Y.); (M.F.S.)
| | - Ekaterina M. Bogdanova
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
- Faculty of Biology, St. Petersburg State University, St. Petersburg 199034, Russia; (R.K.P.); (V.V.Y.); (M.F.S.)
| | - Yuri V. Kosulnikov
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
| | - Yuri V. Laktionov
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
| | - Andrey P. Kozhemyakov
- Laboratory of Ecology of Symbiotic and Associative Rhizobacteria, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (A.M.A.); (A.A.K.); (A.O.G.); (T.R.K.); (A.I.K.); (A.I.G.); (E.M.B.); (Y.V.K.); (Y.V.L.); (A.P.K.)
| | - Daria A. Romanyuk
- Laboratory of Genetics of Plant-Microbe Interactions, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (D.A.R.); (V.A.Z.)
| | - Vladimir A. Zhukov
- Laboratory of Genetics of Plant-Microbe Interactions, All-Russia Research Institute for Agricultural Microbiology, Pushkin, St. Petersburg 196608, Russia; (D.A.R.); (V.A.Z.)
| | - Roman K. Puzanskiy
- Faculty of Biology, St. Petersburg State University, St. Petersburg 199034, Russia; (R.K.P.); (V.V.Y.); (M.F.S.)
- Laboratory of Analytical Phytochemistry, Komarov Botanical Institute of the Russian Academy of Sciences, St. Petersburg 197022, Russia
| | - Yulia V. Mikhailova
- Laboratory of Biosystematics and Cytology, Komarov Botanical Institute of the Russian Academy of Sciences, St. Petersburg 197022, Russia;
| | - Vladislav V. Yemelyanov
- Faculty of Biology, St. Petersburg State University, St. Petersburg 199034, Russia; (R.K.P.); (V.V.Y.); (M.F.S.)
| | - Maria F. Shishova
- Faculty of Biology, St. Petersburg State University, St. Petersburg 199034, Russia; (R.K.P.); (V.V.Y.); (M.F.S.)
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Li Y, Nan Z, Matthew C, Wang Y, Duan T. Arbuscular mycorrhizal fungus changes alfalfa (Medicago sativa) metabolites in response to leaf spot (Phoma medicaginis) infection, with subsequent effects on pea aphid (Acyrthosiphon pisum) behavior. THE NEW PHYTOLOGIST 2023; 239:286-300. [PMID: 37010085 DOI: 10.1111/nph.18924] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 03/27/2023] [Indexed: 06/02/2023]
Abstract
Plant disease occurs simultaneously with insect attack. Arbuscular mycorrhizal fungi (AMF) modify plant biotic stress response. Arbuscular mycorrhizal fungi and pathogens may modify plant volatile organic compound (VOC) production and insect behavior. Nevertheless, such effects are rarely studied, particularly for mesocosms where component organisms interact with each other. Plant-mediated effects of leaf pathogen (Phoma medicaginis) infection on aphid (Acyrthosiphon pisum) infestation, and role of AMF (Rhizophagus intraradices) in modifying these interactions were elucidated in a glasshouse experiment. We evaluated alfalfa disease occurrence, photosynthesis, phytohormones, trypsin inhibitor (TI) and total phenol response to pathogen and aphid attack, with or without AMF, and aphid behavior towards VOCs from AMF inoculated and non-mycorrhizal alfalfa, with or without pathogen infection. AM fungus enhanced alfalfa resistance to pathogen and aphid infestation. Plant biomass, root : shoot ratio, net photosynthetic rate, transpiration rate, stomatal conductance, salicylic acid, and TI were significantly increased in AM-inoculated alfalfa. Arbuscular mycorrhizal fungi and pathogen significantly changed alfalfa VOCs. Aphids preferred VOCs of AM-inoculated and nonpathogen-infected to nonmycorrhizal and pathogen-infected alfalfa. We propose that AMF alter plant response to multiple biotic stresses in ways both beneficial and harmful to the plant host, providing a basis for strategies to manage pathogens and herbivore pests.
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Affiliation(s)
- Yingde Li
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Lanzhou University, Lanzhou, 730020, China
- College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, China
- Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Lanzhou, 730020, China
| | - Zhibiao Nan
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Lanzhou University, Lanzhou, 730020, China
- College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, China
- Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Lanzhou, 730020, China
| | - Cory Matthew
- School of Agriculture and Environment, College of Sciences, Massey University, Private Bag 11-222, Palmerston North, 4442, New Zealand
| | - Yajie Wang
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Lanzhou University, Lanzhou, 730020, China
- College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, China
- Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Lanzhou, 730020, China
| | - Tingyu Duan
- State Key Laboratory of Herbage Improvement and Grassland Agro-ecosystems, Lanzhou University, Lanzhou, 730020, China
- College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, 730020, China
- Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Lanzhou, 730020, China
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Wang Y, Li Y, Duan T. Arbuscular mycorrhizal fungus changes alfalfa response to pathogen infection activated by pea aphid infestation. Front Microbiol 2023; 13:1074592. [PMID: 36845970 PMCID: PMC9945236 DOI: 10.3389/fmicb.2022.1074592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Accepted: 12/22/2022] [Indexed: 02/10/2023] Open
Abstract
Introduction Arbuscular mycorrhizal (AM) fungi are important for the resistance of plants to insect infestation and diseases. However, the effect of AM fungal colonization of plants response to pathogen infection activated by pea aphid infestation is unknown. Pea aphid (Acyrthosiphon pisum) and the fungal pathogen Phoma medicaginis severely limit alfalfa production worldwide. Methods This study established an alfalfa (Medicago sativa)-AM fungus (Rhizophagus intraradices)-pea aphid-P. medicaginis experimental system to clarify the effects of an AM fungus on the host plant response to insect infestation and subsequent fungal pathogen infection. Results Pea aphid increased the disease incidence of P. medicaginis by 24.94%. The AM fungus decreased the disease index by 22.37% and enhanced alfalfa growth by increasing the uptake of total nitrogen and total phosphorus. The aphid induced polyphenol oxidase activity of alfalfa, and the AM fungus enhanced plant-defense enzyme activity against aphid infestation and subsequent P. medicaginis infection. In addition, the AM fungus increased the contents of jasmonic acid and abscisic acid in plants exposed to aphid infestation or pathogen infection. Abscisic acid and genes associated with the gene ontology term "hormone binding" were upregulated in aphid-infested or pathogen-infected alfalfa. Discussion The results demonstrate that an AM fungus enhances plant defense and signaling components induced by aphid infestation, which may contribute to improved defense against subsequent pathogen infection.
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Affiliation(s)
- Yajie Wang
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, Lanzhou University, Lanzhou, China,Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Lanzhou, China,College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China
| | - Yingde Li
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, Lanzhou University, Lanzhou, China,Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Lanzhou, China,College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China
| | - Tingyu Duan
- State Key Laboratory of Herbage Improvement and Grassland Agro-Ecosystems, Lanzhou University, Lanzhou, China,Key Laboratory of Grassland Livestock Industry Innovation, Ministry of Agriculture and Rural Affairs, Lanzhou, China,College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou, China,*Correspondence: Tingyu Duan,
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Sarkar AK, Sadhukhan S. Unearthing the alteration in plant volatiles induced by mycorrhizal fungi: A shield against plant pathogens. PHYSIOLOGIA PLANTARUM 2023; 175:e13845. [PMID: 36546667 DOI: 10.1111/ppl.13845] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 12/05/2022] [Indexed: 06/17/2023]
Abstract
Plants produce a large range of structurally varied low molecular weight secondary metabolites, which evaporate, known as volatile organic compounds (VOCs). Several of them are emitted in response to biotic stress as a defensive measure against pathogen attacks. Arbuscular Mycorrhizal Fungi (AMFs) can change the VOC pattern in parts of the plant and may promote plant defense via direct or indirect mechanisms. Mycorrhization of plants positively affects plant immunization along with growth and yield. The presence of AMF may raise the concentration of phenolic compounds and the activity of critical defense-related enzymes. AMF-induced changes in plant chemistry and associated volatile emissions lead to stronger immunity against pathogenic microorganisms. Despite substantial research into the origins of diversity in VOC-mediated plant communication, very little is known about the mechanism of influence of several AMFs on plant VOC emissions and modulation of plant immunization. Moreover, the molecular mechanism for VOC sensing in plants and mycorrhizal association is still unclear. In the present review, we have presented an up-to-date understanding of the cross-talk of AMF and VOC patterns in plants and the subsequent modulation of resistance against microbial pathogens.
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Affiliation(s)
- Anup Kumar Sarkar
- Department of Botany, Dukhulal Nibaran Chandra College, Murshidabad, West Bengal, India
- Plant Molecular Biology Laboratory, Department of Botany, Raiganj University, Uttar Dinajpur, West Bengal, India
| | - Sanjoy Sadhukhan
- Plant Molecular Biology Laboratory, Department of Botany, Raiganj University, Uttar Dinajpur, West Bengal, India
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Duc NH, Vo HTN, van Doan C, Hamow KÁ, Le KH, Posta K. Volatile organic compounds shape belowground plant-fungi interactions. FRONTIERS IN PLANT SCIENCE 2022; 13:1046685. [PMID: 36561453 PMCID: PMC9763900 DOI: 10.3389/fpls.2022.1046685] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Accepted: 11/09/2022] [Indexed: 06/17/2023]
Abstract
Volatile organic compounds (VOCs), a bouquet of chemical compounds released by all life forms, play essential roles in trophic interactions. VOCs can facilitate a large number of interactions with different organisms belowground. VOCs-regulated plant-plant or plant-insect interaction both below and aboveground has been reported extensively. Nevertheless, there is little information about the role of VOCs derived from soilborne pathogenic fungi and beneficial fungi, particularly mycorrhizae, in influencing plant performance. In this review, we show how plant VOCs regulate plant-soilborne pathogenic fungi and beneficial fungi (mycorrhizae) interactions. How fungal VOCs mediate plant-soilborne pathogenic and beneficial fungi interactions are presented and the most common methods to collect and analyze belowground volatiles are evaluated. Furthermore, we suggest a promising method for future research on belowground VOCs.
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Affiliation(s)
- Nguyen Hong Duc
- Institute of Genetics and Biotechnology, Department of Microbiology and Applied Biotechnology, Hungarian University of Agriculture and Life Sciences (MATE), Godollo, Hungary
| | - Ha T. N. Vo
- Plant Disease Laboratory, Department of Plant Protection, Faculty of Agronomy, Nong Lam University, Ho Chi Minh, Vietnam
| | - Cong van Doan
- Molecular Interaction Ecology, German Centre for Integrative Biodiversity Research (iDIV), Leipzig, Germany
| | - Kamirán Áron Hamow
- Agricultural Institute, Centre for Agricultural Research, Martonvásár, Hungary
| | - Khac Hoang Le
- Plant Disease Laboratory, Department of Plant Protection, Faculty of Agronomy, Nong Lam University, Ho Chi Minh, Vietnam
| | - Katalin Posta
- Institute of Genetics and Biotechnology, Department of Microbiology and Applied Biotechnology, Hungarian University of Agriculture and Life Sciences (MATE), Godollo, Hungary
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The Role of Medicago lupulina Interaction with Rhizophagus irregularis in the Determination of Root Metabolome at Early Stages of AM Symbiosis. PLANTS 2022; 11:plants11182338. [PMID: 36145739 PMCID: PMC9501341 DOI: 10.3390/plants11182338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 08/25/2022] [Accepted: 09/03/2022] [Indexed: 11/30/2022]
Abstract
The nature of plant–fungi interaction at early stages of arbuscular mycorrhiza (AM) development is still a puzzling problem. To investigate the processes behind this interaction, we used the Medicago lupulina MlS-1 line that forms high-efficient AM symbiosis with Rhizophagus irregularis. AM fungus actively colonizes the root system of the host plant and contributes to the formation of effective AM as characterized by a high mycorrhizal growth response (MGR) in the host plant. The present study is aimed at distinguishing the alterations in the M. lupulina root metabolic profile as an indicative marker of effective symbiosis. We examined the root metabolome at the 14th and 24th day after sowing and inoculation (DAS) with low substrate phosphorus levels. A GS-MS analysis detected 316 metabolites. Results indicated that profiles of M. lupulina root metabolites differed from those in leaves previously detected. The roots contained fewer sugars and organic acids. Hence, compounds supporting the growth of mycorrhizal fungus (especially amino acids, specific lipids, and carbohydrates) accumulated, and their presence coincided with intensive development of AM structures. Mycorrhization determined the root metabolite profile to a greater extent than host plant development. The obtained data highlight the importance of active plant–fungi metabolic interaction at early stages of host plant development for the determination of symbiotic efficiency.
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Thangaraj K, Li J, Mei H, Hu S, Han R, Zhao Z, Chen X, Li X, Kamatchi Reddiar D. Mycorrhizal Colonization Enhanced Sorghum bicolor Tolerance under Soil Water Deficit Conditions by Coordination of Proline and Reduced Glutathione (GSH). JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:4243-4255. [PMID: 35377636 DOI: 10.1021/acs.jafc.1c07184] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Drought stress is an important limiting factor in crop production. Arbuscular mycorrhizal fungi (AMF) enhance plant drought tolerance through antioxidant activities. However, the coordination of nonenzymatic antioxidants against drought remains unclear. Here, we investigated the AMF symbiosis in drought tolerance of Sorghum bicolor by increasing proline and reducing glutathione (GSH). Glomus mosseae inoculation increased grain yield, biochemical content, and bioactivities of millets. Under drought conditions, seedlings inoculated with G. mosseae had higher SOD, POD, CAT, PPO, proline, and GSH activities compared to noninoculated controls. Meanwhile, a lower accumulation of MDA and H2O2 was observed in the G. mosseae seedlings. Furthermore, genes attributed to nonenzymatic antioxidants, such as GST29, P5CS2, FD3, GST, and GAD, were significantly up-regulated by G. mosseae under drought conditions. In conclusion, G. mosseae inoculation enhanced the drought tolerance of S. bicolor by improving reactive oxygen species (ROS) scavengers, including proline and GSH, that regulate ROS production and prevent oxidative damage.
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Affiliation(s)
- Kuberan Thangaraj
- Tea Research Institute, Nanjing Agricultural University, Nanjing 210095, China
| | - Jianjie Li
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Huiling Mei
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Shunkai Hu
- Tea Research Institute, Nanjing Agricultural University, Nanjing 210095, China
| | - Rui Han
- Tea Research Institute, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhen Zhao
- Tea Research Institute, Nanjing Agricultural University, Nanjing 210095, China
| | - Xuan Chen
- Tea Research Institute, Nanjing Agricultural University, Nanjing 210095, China
| | - Xinghui Li
- Tea Research Institute, Nanjing Agricultural University, Nanjing 210095, China
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10
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Sportes A, Hériché M, Boussageon R, Noceto PA, van Tuinen D, Wipf D, Courty PE. A historical perspective on mycorrhizal mutualism emphasizing arbuscular mycorrhizas and their emerging challenges. MYCORRHIZA 2021; 31:637-653. [PMID: 34657204 DOI: 10.1007/s00572-021-01053-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 09/15/2021] [Indexed: 06/13/2023]
Abstract
Arbuscular mycorrhiza, one of the oldest interactions on earth (~ 450 million years old) and a first-class partner for plants to colonize emerged land, is considered one of the most pervasive ecological relationships on the globe. Despite how important and old this interaction is, its discovery was very recent compared to the long story of land plant evolution. The story of the arbuscular mycorrhiza cannot be addressed apart from the history, controversies, and speculations about mycorrhiza in its broad sense. The chronicle of mycorrhizal research is marked by multiple key milestones such as the initial description of a "persistent epiderm and pellicular wall structure" by Hartig; the introduction of the "Symbiotismus" and "Mycorrhiza" concepts by Frank; the description of diverse root-fungal morphologies; the first description of arbuscules by Gallaud; Mosse's pivotal statement of the beneficial nature of the arbuscular mycorrhizal symbiosis; the impact of molecular tools on the taxonomy of mycorrhizal fungi as well as the development of in vitro root organ cultures for producing axenic arbuscular mycorrhizal fungi (AMF). An appreciation of the story - full of twists and turns - of the arbuscular mycorrhiza, going from the roots of mycorrhiza history, along with the discovery of different mycorrhiza types such as ectomycorrhiza, can improve research to help face our days' challenge of developing sustainable agriculture that integrates the arbuscular mycorrhiza and its ecosystem services.
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Affiliation(s)
- Antoine Sportes
- Agroécologie, AgroSup Dijon, CNRS, Université de Bourgogne, INRAE, Université de Bourgogne Franche-Comté, Dijon, France
| | - Mathilde Hériché
- Agroécologie, AgroSup Dijon, CNRS, Université de Bourgogne, INRAE, Université de Bourgogne Franche-Comté, Dijon, France
| | - Raphaël Boussageon
- Agroécologie, AgroSup Dijon, CNRS, Université de Bourgogne, INRAE, Université de Bourgogne Franche-Comté, Dijon, France
| | - Pierre-Antoine Noceto
- Agroécologie, AgroSup Dijon, CNRS, Université de Bourgogne, INRAE, Université de Bourgogne Franche-Comté, Dijon, France
| | - Diederik van Tuinen
- Agroécologie, AgroSup Dijon, CNRS, Université de Bourgogne, INRAE, Université de Bourgogne Franche-Comté, Dijon, France
| | - Daniel Wipf
- Agroécologie, AgroSup Dijon, CNRS, Université de Bourgogne, INRAE, Université de Bourgogne Franche-Comté, Dijon, France
| | - Pierre Emmanuel Courty
- Agroécologie, AgroSup Dijon, CNRS, Université de Bourgogne, INRAE, Université de Bourgogne Franche-Comté, Dijon, France.
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11
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Liang D, Li W, Yan X, Caiyin Q, Zhao G, Qiao J. Molecular and Functional Evolution of the Spermatophyte Sesquiterpene Synthases. Int J Mol Sci 2021; 22:ijms22126348. [PMID: 34198531 PMCID: PMC8232007 DOI: 10.3390/ijms22126348] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 06/07/2021] [Accepted: 06/10/2021] [Indexed: 12/23/2022] Open
Abstract
Sesquiterpenes are important defense and signal molecules for plants to adapt to the environment, cope with stress, and communicate with the outside world, and their evolutionary history is closely related to physiological functions. In this study, the information of plant sesquiterpene synthases (STSs) with identified functions were collected and sorted to form a dataset containing about 500 members. The phylogeny of spermatophyte functional STSs was constructed based on the structural comparative analysis to reveal the sequence–structure–function relationships. We propose the evolutionary history of plant sesquiterpene skeletons, from chain structure to small rings, followed by large rings for the first time and put forward a more detailed function-driven hypothesis. Then, the evolutionary origins and history of spermatophyte STSs are also discussed. In addition, three newly identified STSs CaSTS2, CaSTS3, and CaSTS4 were analyzed in this functional evolutionary system, and their germacrene D products were consistent with the functional prediction. This demonstrates an application of the structure-based phylogeny in predicting STS function. This work will help us to understand evolutionary patterns and dynamics of plant sesquiterpenes and STSs and screen or design STSs with specific product profiles as functional elements for synthetic biology application.
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Affiliation(s)
- Dongmei Liang
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (D.L.); (W.L.); (X.Y.); (Q.C.); (G.Z.)
- Key Laboratory of Systems Bioengineering, Tianjin University, Ministry of Education, Tianjin 300072, China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Weiguo Li
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (D.L.); (W.L.); (X.Y.); (Q.C.); (G.Z.)
- Key Laboratory of Systems Bioengineering, Tianjin University, Ministry of Education, Tianjin 300072, China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Xiaoguang Yan
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (D.L.); (W.L.); (X.Y.); (Q.C.); (G.Z.)
- Key Laboratory of Systems Bioengineering, Tianjin University, Ministry of Education, Tianjin 300072, China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Qinggele Caiyin
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (D.L.); (W.L.); (X.Y.); (Q.C.); (G.Z.)
- Key Laboratory of Systems Bioengineering, Tianjin University, Ministry of Education, Tianjin 300072, China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Guangrong Zhao
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (D.L.); (W.L.); (X.Y.); (Q.C.); (G.Z.)
- Key Laboratory of Systems Bioengineering, Tianjin University, Ministry of Education, Tianjin 300072, China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
| | - Jianjun Qiao
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; (D.L.); (W.L.); (X.Y.); (Q.C.); (G.Z.)
- Key Laboratory of Systems Bioengineering, Tianjin University, Ministry of Education, Tianjin 300072, China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China
- Frontiers Science Center for Synthetic Biology, Tianjin University, Ministry of Education, Tianjin 300072, China
- Correspondence: ; Tel.: +86-22-8740-2107
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12
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Tholl D, Hossain O, Weinhold A, Röse USR, Wei Q. Trends and applications in plant volatile sampling and analysis. THE PLANT JOURNAL : FOR CELL AND MOLECULAR BIOLOGY 2021; 106:314-325. [PMID: 33506558 DOI: 10.1111/tpj.15176] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 01/09/2021] [Accepted: 01/14/2021] [Indexed: 05/12/2023]
Abstract
Volatile organic compounds (VOCs) released by plants serve as information and defense chemicals in mutualistic and antagonistic interactions and mitigate effects of abiotic stress. Passive and dynamic sampling techniques combined with gas chromatography-mass spectrometry analysis have become routine tools to measure emissions of VOCs and determine their various functions. More recently, knowledge of the roles of plant VOCs in the aboveground environment has led to the exploration of similar functions in the soil and rhizosphere. Moreover, VOC patterns have been recognized as sensitive and time-dependent markers of biotic and abiotic stress. This focused review addresses these developments by presenting recent progress in VOC sampling and analysis. We show advances in the use of small, inexpensive sampling devices and describe methods to monitor plant VOC emissions in the belowground environment. We further address latest trends in real-time measurements of volatilomes in plant phenotyping and most recent developments of small portable devices and VOC sensors for non-invasive VOC fingerprinting of plant disease. These technologies allow for innovative approaches to study plant VOC biology and application in agriculture.
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Affiliation(s)
- Dorothea Tholl
- Department of Biological Sciences, Virginia Tech, Blacksburg, VA, 24061, USA
| | - Oindrila Hossain
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
- Emerging Plant Disease and Global Food Security Cluster, Norther Carolina State University, Raleigh, NC, 27695, USA
| | - Alexander Weinhold
- Molecular Interaction Ecology, Institute of Biodiversity, Friedrich Schiller University Jena, Jena, 07745, Germany
- Molecular Interaction Ecology, German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Leipzig, 04103, Germany
| | - Ursula S R Röse
- School of Biological Sciences, University of New England, Biddeford, ME, 04005, USA
| | - Qingshan Wei
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
- Emerging Plant Disease and Global Food Security Cluster, Norther Carolina State University, Raleigh, NC, 27695, USA
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13
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Li W, Yan X, Zhang Y, Liang D, Caiyin Q, Qiao J. Characterization of trans-Nerolidol Synthase from Celastrus angulatus Maxim and Production of trans-Nerolidol in Engineered Saccharomyces cerevisiae. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:2236-2244. [PMID: 33586967 DOI: 10.1021/acs.jafc.0c06084] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Volatile terpenoids are a large group of important secondary metabolites and possess many biological activities. The acyclic sesquiterpene trans-nerolidol is one of the typical representatives and widely used in cosmetics and agriculture. Here, the accumulation of volatile terpenes in different tissues of Celastrus angulatus was investigated, and two trans-nerolidol synthases, CaNES1 and CaNES2, were identified and characterized by in vitro enzymatic assays. Both genes are differentially transcribed in different tissues of C. angulatus. Next, we constructed a Saccharomyces cerevisiae cell factory to enable high-level production of trans-nerolidol. Glucose was the sole carbon source to sequentially control gene expression between the competitive squalene and trans-nerolidol pathways. Finally, the trans-nerolidol production of recombinant strain LWG003-CaNES2 was 7.01 g/L by fed-batch fermentation in a 5 L bioreactor. The results clarify volatile terpenoid biosynthesis in C. angulatus and provide a promising potential for industrial production of trans-nerolidol in S. cerevisiae.
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Affiliation(s)
- Weiguo Li
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin 300072, P. R. China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
| | - Xiaoguang Yan
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin 300072, P. R. China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
| | - Yuting Zhang
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin 300072, P. R. China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
| | - Dongmei Liang
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin 300072, P. R. China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
| | - Qinggele Caiyin
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin 300072, P. R. China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
| | - Jianjun Qiao
- Department of Pharmaceutical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China
- Key Laboratory of Systems Bioengineering (Ministry of Education), Tianjin University, Tianjin 300072, P. R. China
- SynBio Research Platform, Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
- Frontiers Science Center for Synthetic Biology (Ministry of Education), Tianjin University, Tianjin 300072, P. R. China
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14
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Novel use of PDMS tubing for in-soil capture of plant natural products. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1161:122451. [PMID: 33242693 DOI: 10.1016/j.jchromb.2020.122451] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 09/17/2020] [Accepted: 10/24/2020] [Indexed: 11/23/2022]
Abstract
The extraction of small lipophilic molecules (SLMs) in the soil-root interface that play a role in belowground ecological interactions between plants and insect herbivores was investigated. Polydimethylsiloxane (PDMS) microtubing has been shown to absorb root SLMs selectively in low-disturbance setups, where analytes were extracted from the polymer with methanol. This technique was adapted to isolate SLMs that diffuse in the vapour phase in soil and sand and under various experimental parameters, extracting with a plug of diethyl ether pushed through the length of the silicon tubing. Moisture level had a substrate-dependent effect on the recovery rate of analytes that were applied as synthetic blends of known belowground SLM semiochemicals in the media. Higher amounts of two selected SLMs, (E)-caryophyllene and (-)-thujopsene, were extracted from sand, and increased polymer and solvent volume, as well as sampling duration, resulted in more of these two SLMs recovered by extraction. It was also shown that PDMS tubes lose no extraction capacity after repeated use. The signature compound (E)-caryophyllene was successfully isolated from the rhizosphere of maize plants infested with Diabrotica v. virgifera larvae by extracting the silicon tubing with diethyl ether. Because the tubes are preconditioned to reduce the presence of contaminants, such extracts can be directly analysed by GC and GC-MS and used in electrophysiological and behavioural assays. After further modifications, non-invasive, in situ PDMS probes can be developed that extract SLMs from plant rhizosphere for the study of belowground chemical ecology processes.
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Selvaraj A, Thangavel K, Uthandi S. Arbuscular mycorrhizal fungi (Glomus intraradices) and diazotrophic bacterium (Rhizobium BMBS) primed defense in blackgram against herbivorous insect (Spodoptera litura) infestation. Microbiol Res 2020; 231:126355. [DOI: 10.1016/j.micres.2019.126355] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 10/09/2019] [Accepted: 10/14/2019] [Indexed: 01/13/2023]
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