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Wang L, Li C, Luo K. Biosynthesis and metabolic engineering of isoflavonoids in model plants and crops: a review. FRONTIERS IN PLANT SCIENCE 2024; 15:1384091. [PMID: 38984160 PMCID: PMC11231381 DOI: 10.3389/fpls.2024.1384091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Accepted: 06/10/2024] [Indexed: 07/11/2024]
Abstract
Isoflavonoids, the major secondary metabolites within the flavonoid biosynthetic pathway, play important roles in plant defense and exhibit free radical scavenging properties in mammals. Recent advancements in understanding the synthesis, transport, and regulation of isoflavonoids have identified their biosynthetic pathways as promising targets for metabolic engineering, offering potential benefits such as enhanced plant resistance, improved biomass, and restoration of soil fertility. This review provides an overview of recent breakthroughs in isoflavonoid biosynthesis, encompassing key enzymes in the biosynthetic pathway, transporters influencing their subcellular localization, molecular mechanisms regulating the metabolic pathway (including transcriptional and post-transcriptional regulation, as well as epigenetic modifications). Metabolic engineering strategies aimed at boosting isoflavonoid content in both leguminous and non-leguminous plants. Additionally, we discuss emerging technologies and resources for precise isoflavonoid regulation. This comprehensive review primarily focuses on model plants and crops, offering insights for more effective and sustainable metabolic engineering approaches to enhance nutritional quality and stress tolerance.
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Affiliation(s)
- Lijun Wang
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang, China
| | - Chaofeng Li
- Maize Research Institute, Southwest University, Chongqing, China
- Engineering Research Center of South Upland Agriculture, Ministry of Education, Chongqing, China
| | - Keming Luo
- Chongqing Key Laboratory of Plant Resource Conservation and Germplasm Innovation, Integrative Science Center of Germplasm Creation in Western China (Chongqing) Science City, School of Life Sciences, Southwest University, Chongqing, China
- Key Laboratory of Eco-environments of Three Gorges Reservoir Region, Ministry of Education, School of Life Sciences, Southwest University, Chongqing, China
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Wu YH, Qin Y, Cai QQ, Liu M, He DM, Chen X, Wang H, Yan ZY. Effect the accumulation of bioactive constituents of a medicinal plant (Salvia Miltiorrhiza Bge.) by arbuscular mycorrhizal fungi community. BMC PLANT BIOLOGY 2023; 23:597. [PMID: 38017446 PMCID: PMC10683245 DOI: 10.1186/s12870-023-04608-x] [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: 04/04/2023] [Accepted: 11/14/2023] [Indexed: 11/30/2023]
Abstract
BACKGROUND Arbuscular mycorrhizal fungi (AMF) form symbiotic relationships with various terrestrial plants and have attracted considerable interest as biofertilizers for improving the quality and yield of medicinal plants. Despite the widespread distribution of AMFs in Salvia miltiorrhiza Bunge's roots, research on the impact of multiple AMFs on biomass and active ingredient accumulations has not been conducted. In this study, the effects of five native AMFs (Glomus formosanum, Septoglomus constrictum, Rhizophagus manihotis, Acaulospora laevis, and Ambispora gerdemannii) and twenty-six communities on the root biomass and active ingredient concentrations of S. miltiorrhiza were assessed using the total factor design method. RESULTS Thirty-one treatment groups formed symbiotic relationships with S. miltiorrhiza based on the pot culture results, and the colonization rate ranged from 54.83% to 89.97%. AMF communities had higher colonization rates and total phenolic acid concentration than single AMF, and communities also appeared to have higher root fresh weight, dry weight, and total phenolic acid concentration than single inoculations. As AMF richness increased, there was a rising trend in root biomass and total tanshinone accumulations (ATTS), while total phenolic acid accumulations (ATP) showed a decreasing trend. This suggests that plant productivity was influenced by the AMF richness, with higher inoculation benefits observed when the communities contained three or four AMFs. Additionally, the affinities of AMF members were also connected to plant productivity. The inoculation effect of closely related AMFs within the same family, such as G. formosanum, S. constrictum, and R. manihotis, consistently yielded lower than that of mono-inoculation when any combinations were applied. The co-inoculation of S. miltiorrhiza with nearby or distant AMFs from two families, such as G. formosanum, R. manihotis, and Ac. laevis or Am. gerdemannii resulted in an increase of ATP and ATTS by more than 50%. AMF communities appear to be more beneficial to the yield of bioactive constituents than the single AMF, but overall community inoculation effects are related to the composition of AMFs and the relationship between members. CONCLUSION This study reveals that the AMF community has great potential to improve the productivity and the accumulation of bioactive constituents in S. miltiorrhiza, indicating that it is an effective way to achieve sustainable agricultural development through using the AMF community.
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Affiliation(s)
- Yan-Hong Wu
- State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yong Qin
- State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qing-Qing Cai
- State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Min Liu
- State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Dong-Mei He
- State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xin Chen
- State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Hai Wang
- School of Medical Technology, Chengdu University of Chinese Medicine, Chengdu, China.
| | - Zhu-Yun Yan
- State Key Laboratory of Characteristic Chinese Medicine Resources in Southwest China, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China.
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Pistelli L, Najar B, Di Renzo G, Curadi M, Pistelli L, Muscatello B, De Leo M, Scartazza A. Production of bioactive and aroma volatile compounds of Lawsonia inermis L. cultivated under different growth conditions. Nat Prod Res 2023:1-11. [PMID: 37865973 DOI: 10.1080/14786419.2023.2272279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 10/10/2023] [Indexed: 10/24/2023]
Abstract
The present study aimed to investigate the influence of different growing conditions on the amount of leaf pigments (chlorophylls, carotenoids), bioactive metabolites, such as polyphenols, flavonoids, lawsone and volatile organic compounds (VOCs) of Lawsonia inermis L. (henna) plants. Young henna plants were cultivated for two months in a growth chamber (GC) and in open-air conditions during summer under the Mediterranean climate (OF), and leaves were analysed to evaluate their adaptive responses. The different growth conditions modified the carbon allocation priorities, increasing antioxidant metabolites (e.g. phenolic and flavonoid compounds) while decreasing lawsone in GC conditions. Quali-quantitative changes were observed for VOCs. This study revealed that GC conditions permit an alternative use of Lawsonia cultivation, because of the increase in the endogenous content of bioactive secondary metabolites with many potential biological activities.
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Affiliation(s)
- Laura Pistelli
- Department of Agriculture, Food and Environment (DAFE), University of Pisa, Pisa, Italy
- Centre for Climate Change Impact (CIRSEC), University of Pisa, Pisa, Italy
| | - Basma Najar
- Faculty of Pharmacy, Free University of Brussels, Bruxelles, Belgium
| | | | - Maurizio Curadi
- Department of Agriculture, Food and Environment (DAFE), University of Pisa, Pisa, Italy
| | | | | | | | - Andrea Scartazza
- Research Institute on Terrestrial Ecosystems, National Research Council, Pisa, Italy
- National Biodiversity Future Center (NBFC), Palermo, Italy
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Yuan ML, Zhang MH, Shi ZY, Yang S, Zhang MG, Wang Z, Wu SW, Gao JK. Arbuscular mycorrhizal fungi enhance active ingredients of medicinal plants: a quantitative analysis. FRONTIERS IN PLANT SCIENCE 2023; 14:1276918. [PMID: 37929165 PMCID: PMC10623335 DOI: 10.3389/fpls.2023.1276918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 09/22/2023] [Indexed: 11/07/2023]
Abstract
Medicinal plants are invaluable resources for mankind and play a crucial role in combating diseases. Arbuscular mycorrhizal fungi (AMF) are widely recognized for enhancing the production of medicinal active ingredients in medicinal plants. However, there is still a lack of comprehensive understanding regarding the quantitative effects of AMF on the accumulation of medicinal active ingredients. Here we conducted a comprehensive global analysis using 233 paired observations to investigate the impact of AMF inoculation on the accumulation of medicinal active ingredients. This study revealed that AMF inoculation significantly increased the contents of medicinal active ingredients by 27%, with a particularly notable enhancement observed in flavonoids (68%) and terpenoids (53%). Furthermore, the response of medicinal active ingredients in belowground organs (32%) to AMF was more pronounced than that in aboveground organs (18%). Notably, the AMF genus Rhizophagus exhibited the strongest effect in improving the contents of medicinal active ingredients, resulting in an increase of over 50% in both aboveground and belowground organs. Additionally, the promotion of medicinal active ingredients by AMF was attributed to improvements in physiological factors, such as chlorophyll, stomatal conductance and net photosynthetic rate. Collectively, this research substantially advanced our comprehension of the pivotal role of AMF in improving the medicinal active ingredients of plants and provided valuable insights into the potential mechanisms driving these enhancements.
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Affiliation(s)
- Ming-Li Yuan
- College of Agriculture, Henan University of Science and Technology, Luoyang, Henan, China
- School of Agriculture and Animal Husbandry Engineering, Zhoukou Vocational and Technical College, Henan, China
| | - Meng-Han Zhang
- College of Agriculture, Henan University of Science and Technology, Luoyang, Henan, China
- Henan Engineering Research Center for Rural Human Settlement, Luoyang, Henan, China
- Luoyang Key Laboratory of Symbiotic Microorganism and Green Development, Luoyang, Henan, China
| | - Zhao-Yong Shi
- College of Agriculture, Henan University of Science and Technology, Luoyang, Henan, China
- Henan Engineering Research Center for Rural Human Settlement, Luoyang, Henan, China
- Luoyang Key Laboratory of Symbiotic Microorganism and Green Development, Luoyang, Henan, China
| | - Shuang Yang
- College of Agriculture, Henan University of Science and Technology, Luoyang, Henan, China
- Henan Engineering Research Center for Rural Human Settlement, Luoyang, Henan, China
- Luoyang Key Laboratory of Symbiotic Microorganism and Green Development, Luoyang, Henan, China
| | - Meng-Ge Zhang
- College of Agriculture, Henan University of Science and Technology, Luoyang, Henan, China
- Henan Engineering Research Center for Rural Human Settlement, Luoyang, Henan, China
- Luoyang Key Laboratory of Symbiotic Microorganism and Green Development, Luoyang, Henan, China
| | - Zhen Wang
- College of Agriculture, Henan University of Science and Technology, Luoyang, Henan, China
- Henan Engineering Research Center for Rural Human Settlement, Luoyang, Henan, China
- Luoyang Key Laboratory of Symbiotic Microorganism and Green Development, Luoyang, Henan, China
| | - Shan-Wei Wu
- College of Agriculture, Henan University of Science and Technology, Luoyang, Henan, China
- Henan Engineering Research Center for Rural Human Settlement, Luoyang, Henan, China
- Luoyang Key Laboratory of Symbiotic Microorganism and Green Development, Luoyang, Henan, China
| | - Jia-Kai Gao
- College of Agriculture, Henan University of Science and Technology, Luoyang, Henan, China
- Henan Engineering Research Center for Rural Human Settlement, Luoyang, Henan, China
- Luoyang Key Laboratory of Symbiotic Microorganism and Green Development, Luoyang, Henan, China
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Arbuscular mycorrhizal fungi make endophyte-induced plant volatiles perceptible. Symbiosis 2023. [DOI: 10.1007/s13199-023-00902-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2023]
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Chiellini C, De Leo M, Longo V, Pieracci Y, Pistelli L. Characterization of the endophytic bacterial community of Bituminaria bituminosa plant grown in vitro and its interaction with the plant extract. FRONTIERS IN PLANT SCIENCE 2023; 13:1076573. [PMID: 36743570 PMCID: PMC9889976 DOI: 10.3389/fpls.2022.1076573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 12/19/2022] [Indexed: 06/18/2023]
Abstract
INTRODUCTION Bituminaria bituminosa is a medicinal plant recognized for its phytochemicals, such as furanocoumarins, pterocarpans, and flavonoids. Since the secondary metabolism is influenced by the plant-endophyte interactions, the endophytic bacterial community of B. bituminosa was explored and the possible interactions with the plant were described. MATERIALS AND METHODS Different bacterial strains were isolated from different organs of in vitro plants as shoots, roots, and seeds. The bacterial strains were identified and phenotypically characterized for different traits; strains were also exposed to different concentrations of B. bituminosa plant extract showing different susceptibility, probably determined by different secondary metabolites produced by the plant in the different organs (i.e. aerial parts and roots). RESULTS AND DISCUSSION Bacterial strains showed different phenotypic characteristics; the 6 detected haplotypes were dominated by a single species related to Stenotrophomonas rhizophila. Endophytes isolated from the aerial parts produced a higher indole-3-acetic acid (IAA) amount than those of the roots, while all strains were unable to produce biosurfactants and antagonistic activity toward the other strains. The research opens new perspectives for future analysis addressed to test the susceptibility of the endophytic bacterial community of B. bituminosa toward the pure compounds extracted from the plants, and to investigate the role of these compounds on the distribution of endophytes within the different plant tissues.
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Affiliation(s)
- Carolina Chiellini
- Institute of Agricultural Biology and Biotechnology, Italian National Research Council, Pisa, Italy
| | - Marinella De Leo
- Department of Pharmacy, University of Pisa, Pisa, Italy
- Interdepartmental Center for Instrument Sharing of Pisa University, Pisa, Italy
| | - Vincenzo Longo
- Institute of Agricultural Biology and Biotechnology, Italian National Research Council, Pisa, Italy
| | | | - Laura Pistelli
- Interdepartmental Center for Instrument Sharing of Pisa University, Pisa, Italy
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
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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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Zeni V, Grassi A, Santin M, Ricciardi R, Pieracci Y, Flamini G, Di Giovanni F, Marmugi M, Agnolucci M, Avio L, Turrini A, Giovannetti M, Castiglione MR, Ranieri A, Canale A, Lucchi A, Agathokleous E, Benelli G. Leaf UV-B Irradiation and Mycorrhizal Symbionts Affect Lettuce VOC Emissions and Defence Mechanisms, but Not Aphid Feeding Preferences. INSECTS 2022; 14:insects14010020. [PMID: 36661948 PMCID: PMC9866836 DOI: 10.3390/insects14010020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/12/2022] [Accepted: 12/20/2022] [Indexed: 05/06/2023]
Abstract
Arbuscular mycorrhizal fungi (AMF) and ultraviolet-B radiation (UV-B) play important roles in plant-insect interactions by altering plant physiology and histology. We hypothesized that UV-B-induced oxidative stress was mitigated by AMF symbiosis. In this study, we conducted a multifactorial experiment to explore lettuce plant response to AMF inoculation and UV-B exposure (0.4 W m-2; 16 h d-1; 2 weeks), either together or individually, as well as the interaction with the polyphagous insect pest Myzus persicae (Sulzer). Lettuce plants subjected to UV-B radiation showed an increase in callose and oxidative stress indicators, as well as a decrease in stomatal density. Mycorrhizal colonization cancelled out the effect of UV-B on stomatal density, while the symbiosis was not affected by UV-B treatment. The plant volatile emission was significantly altered by UV-B treatment. Specifically, the non-terpene 1-undecene abundance (+M/+UVB: 48.0 ± 7.78%; -M/+UVB: 56.6 ± 14.90%) was increased, whereas the content of the non-terpene aldehydes decanal (+M/+UVB: 8.50 ± 3.90%; -M/+UVB: 8.0 ± 4.87%) and undecanal (+M/+UVB: 2.1 ± 0.65%; -M/+UVB: 1.20 ± 1.18%) and the sesquiterpene hydrocarbons (+M/+UVB: 18.0 ± 9.62 %; -M/+UVB: 19.2 ± 5.90%) was decreased. Mycorrhization, on the other hand, had no significant effect on the plant volatilome, regardless of UV-B treatment. Aphid population was unaffected by any of the treatments, implying a neutral plant response. Overall, this study provides new insights about the interactions among plants, UV-B, and AMF, outlining their limited impact on a polyphagous insect pest.
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Affiliation(s)
- Valeria Zeni
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
| | - Arianna Grassi
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
| | - Marco Santin
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
| | - Renato Ricciardi
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
| | - Ylenia Pieracci
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
| | - Guido Flamini
- Department of Pharmacy, University of Pisa, Via Bonanno 6, 56126 Pisa, Italy
- Interdepartmental Research Center Nutrafood—Nutraceuticals and Food for Health, University of Pisa, 56124 Pisa, Italy
| | - Filippo Di Giovanni
- Department of Life Science, University of Siena, Via Aldo Moro 2, 53100 Siena, Italy
| | - Margherita Marmugi
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
| | - Monica Agnolucci
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
- Interdepartmental Research Center Nutrafood—Nutraceuticals and Food for Health, University of Pisa, 56124 Pisa, Italy
| | - Luciano Avio
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
- Interdepartmental Research Center Nutrafood—Nutraceuticals and Food for Health, University of Pisa, 56124 Pisa, Italy
| | - Alessandra Turrini
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
- Interdepartmental Research Center Nutrafood—Nutraceuticals and Food for Health, University of Pisa, 56124 Pisa, Italy
| | - Manuela Giovannetti
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
- Interdepartmental Research Center Nutrafood—Nutraceuticals and Food for Health, University of Pisa, 56124 Pisa, Italy
| | - Monica Ruffini Castiglione
- Interdepartmental Research Center Nutrafood—Nutraceuticals and Food for Health, University of Pisa, 56124 Pisa, Italy
- Department of Biology, University of Pisa, Via L. Ghini 13, 56126 Pisa, Italy
| | - Annamaria Ranieri
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
- Interdepartmental Research Center Nutrafood—Nutraceuticals and Food for Health, University of Pisa, 56124 Pisa, Italy
| | - Angelo Canale
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
- Interdepartmental Research Center Nutrafood—Nutraceuticals and Food for Health, University of Pisa, 56124 Pisa, Italy
| | - Andrea Lucchi
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
- Interdepartmental Research Center Nutrafood—Nutraceuticals and Food for Health, University of Pisa, 56124 Pisa, Italy
| | - Evgenios Agathokleous
- Department of Ecology, School of Applied Meteorology, Nanjing University of Information Science & Technology (NUIST), Nanjing 210044, China
| | - Giovanni Benelli
- Department of Agriculture, Food and Environment, University of Pisa, Via del Borghetto 80, 56124 Pisa, Italy
- Correspondence: ; Tel.: +39-050-221-6141
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Production and Functionalities of Specialized Metabolites from Different Organic Sources. Metabolites 2022; 12:metabo12060534. [PMID: 35736468 PMCID: PMC9228302 DOI: 10.3390/metabo12060534] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 06/02/2022] [Accepted: 06/08/2022] [Indexed: 02/05/2023] Open
Abstract
Medicinal plants are rich sources of specialized metabolites that are of great importance to plants, animals, and humans. The usefulness of active biological compounds cuts across different fields, such as agriculture, forestry, food processing and packaging, biofuels, biocatalysts, and environmental remediation. In recent years, research has shifted toward the use of microbes, especially endophytes (bacteria, fungi, and viruses), and the combination of these organisms with other alternatives to optimize the production and regulation of these compounds. This review reinforces the production of specialized metabolites, especially by plants and microorganisms, and the effectiveness of microorganisms in increasing the production/concentration of these compounds in plants. The study also highlights the functions of these compounds in plants and their applications in various fields. New research areas that should be explored to produce and regulate these compounds, especially in plants and microbes, have been identified. Methods involving molecular studies are yet to be fully explored, and next-generation sequencing possesses an interesting and reliable approach.
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Balestrini R, Brunetti C, Cammareri M, Caretto S, Cavallaro V, Cominelli E, De Palma M, Docimo T, Giovinazzo G, Grandillo S, Locatelli F, Lumini E, Paolo D, Patanè C, Sparvoli F, Tucci M, Zampieri E. Strategies to Modulate Specialized Metabolism in Mediterranean Crops: From Molecular Aspects to Field. Int J Mol Sci 2021; 22:ijms22062887. [PMID: 33809189 PMCID: PMC7999214 DOI: 10.3390/ijms22062887] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 03/10/2021] [Accepted: 03/10/2021] [Indexed: 12/21/2022] Open
Abstract
Plant specialized metabolites (SMs) play an important role in the interaction with the environment and are part of the plant defense response. These natural products are volatile, semi-volatile and non-volatile compounds produced from common building blocks deriving from primary metabolic pathways and rapidly evolved to allow a better adaptation of plants to environmental cues. Specialized metabolites include terpenes, flavonoids, alkaloids, glucosinolates, tannins, resins, etc. that can be used as phytochemicals, food additives, flavoring agents and pharmaceutical compounds. This review will be focused on Mediterranean crop plants as a source of SMs, with a special attention on the strategies that can be used to modulate their production, including abiotic stresses, interaction with beneficial soil microorganisms and novel genetic approaches.
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Affiliation(s)
- Raffaella Balestrini
- National Research Council (CNR)-Institute of Sustainable Plant Protection (IPSP), Viale Mattioli 25 and Strada delle Cacce 73, 10125 and 10135 Torino, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy; (C.B.); (E.L.); (E.Z.)
- Correspondence: ; Tel.: +39-01165-02927
| | - Cecilia Brunetti
- National Research Council (CNR)-Institute of Sustainable Plant Protection (IPSP), Viale Mattioli 25 and Strada delle Cacce 73, 10125 and 10135 Torino, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy; (C.B.); (E.L.); (E.Z.)
| | - Maria Cammareri
- CNR-Institute of Bioscience and Bioresources (IBBR), Via Università 133, 80055 Portici, Italy; (M.C.); (M.D.P.); (T.D.); (S.G.); (M.T.)
| | - Sofia Caretto
- CNR-Institute of Sciences of Food Production, Via Monteroni, 73100 Lecce, Italy; (S.C.); (G.G.)
| | - Valeria Cavallaro
- CNR-Institute of Bioeconomy (IBE), Via Paolo Gaifami, 18, 95126 Catania, Italy; (V.C.); (C.P.)
| | - Eleonora Cominelli
- CNR-Institute of Agricultural Biology and Biotechnology, Via Edoardo Bassini 15, 20133 Milan, Italy; (E.C.); (F.L.); (D.P.); (F.S.)
| | - Monica De Palma
- CNR-Institute of Bioscience and Bioresources (IBBR), Via Università 133, 80055 Portici, Italy; (M.C.); (M.D.P.); (T.D.); (S.G.); (M.T.)
| | - Teresa Docimo
- CNR-Institute of Bioscience and Bioresources (IBBR), Via Università 133, 80055 Portici, Italy; (M.C.); (M.D.P.); (T.D.); (S.G.); (M.T.)
| | - Giovanna Giovinazzo
- CNR-Institute of Sciences of Food Production, Via Monteroni, 73100 Lecce, Italy; (S.C.); (G.G.)
| | - Silvana Grandillo
- CNR-Institute of Bioscience and Bioresources (IBBR), Via Università 133, 80055 Portici, Italy; (M.C.); (M.D.P.); (T.D.); (S.G.); (M.T.)
| | - Franca Locatelli
- CNR-Institute of Agricultural Biology and Biotechnology, Via Edoardo Bassini 15, 20133 Milan, Italy; (E.C.); (F.L.); (D.P.); (F.S.)
| | - Erica Lumini
- National Research Council (CNR)-Institute of Sustainable Plant Protection (IPSP), Viale Mattioli 25 and Strada delle Cacce 73, 10125 and 10135 Torino, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy; (C.B.); (E.L.); (E.Z.)
| | - Dario Paolo
- CNR-Institute of Agricultural Biology and Biotechnology, Via Edoardo Bassini 15, 20133 Milan, Italy; (E.C.); (F.L.); (D.P.); (F.S.)
| | - Cristina Patanè
- CNR-Institute of Bioeconomy (IBE), Via Paolo Gaifami, 18, 95126 Catania, Italy; (V.C.); (C.P.)
| | - Francesca Sparvoli
- CNR-Institute of Agricultural Biology and Biotechnology, Via Edoardo Bassini 15, 20133 Milan, Italy; (E.C.); (F.L.); (D.P.); (F.S.)
| | - Marina Tucci
- CNR-Institute of Bioscience and Bioresources (IBBR), Via Università 133, 80055 Portici, Italy; (M.C.); (M.D.P.); (T.D.); (S.G.); (M.T.)
| | - Elisa Zampieri
- National Research Council (CNR)-Institute of Sustainable Plant Protection (IPSP), Viale Mattioli 25 and Strada delle Cacce 73, 10125 and 10135 Torino, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy; (C.B.); (E.L.); (E.Z.)
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11
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Najar B, Pistelli L, Marchioni I, Pistelli L, Muscatello B, De Leo M, Scartazza A. Salinity-Induced Changes of Photosynthetic Performance, Lawsone, VOCs, and Antioxidant Metabolism in Lawsonia inermis L. PLANTS (BASEL, SWITZERLAND) 2020; 9:E1797. [PMID: 33352907 PMCID: PMC7765926 DOI: 10.3390/plants9121797] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 01/01/2023]
Abstract
The present study aimed to elucidate the salinity influence on the bioactive metabolites of Lawsonia inermis L. (henna) plants. Young henna plants were cultivated under salinity stress with two NaCl concentrations (75 mM and 150 mM) in controlled environmental conditions and the leaves were investigated to check their adaptative responses. The modulation of photosynthetic performance to salinity stress was demonstrated by gas exchange and chlorophyll fluorescence parameters. The partial stomatal closure triggered an enhanced water-use efficiency, and a proline accumulation was observed, leading to an osmotic adjustment. The increased capacity to dissipate the excess excitation energy at photosystem II as heat was associated with changes in chlorophylls, anthocyanins, and carotenoids. The higher antioxidant activity at 150 mM salt level suggested its scavenger role on reactive oxygen species (ROS) dissipation and photoprotection. The reduced CO2 uptake and the higher metabolic costs necessary to sustain the henna tolerance mechanism against high NaCl concentration negatively affected lawsone production. Leaf volatile organic compounds (VOCs) showed changes in the amount and composition of VOCs with increasing salinity level. Overall, this study revealed efficient physiological and biochemical adaptations of henna leaves to salt stress despite an altered production of important economic metabolites such as lawsone.
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Affiliation(s)
- Basma Najar
- Department of Pharmacy, University of Pisa, 56124 Pisa, Italy; (B.N.); (L.P.); (B.M.); (M.D.L.)
| | - Laura Pistelli
- Department of Agriculture, Food and Environment (DAFE), University of Pisa, 56124 Pisa, Italy;
- Centre for Climate Change Impact (CIRSEC), University of Pisa, 56124 Pisa, Italy
| | - Ilaria Marchioni
- Department of Agriculture, Food and Environment (DAFE), University of Pisa, 56124 Pisa, Italy;
| | - Luisa Pistelli
- Department of Pharmacy, University of Pisa, 56124 Pisa, Italy; (B.N.); (L.P.); (B.M.); (M.D.L.)
| | - Beatrice Muscatello
- Department of Pharmacy, University of Pisa, 56124 Pisa, Italy; (B.N.); (L.P.); (B.M.); (M.D.L.)
| | - Marinella De Leo
- Department of Pharmacy, University of Pisa, 56124 Pisa, Italy; (B.N.); (L.P.); (B.M.); (M.D.L.)
| | - Andrea Scartazza
- Research Institute on Terrestrial Ecosystems, Research National Council, 56124 Pisa, Italy;
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12
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The Influence of Mycorrhizal Fungi on the Accumulation of Sennosides A and B in Senna alexandrina and Senna italica. SEPARATIONS 2020. [DOI: 10.3390/separations7040065] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Symbiotic arbuscular mycorrhizal fungi (AMF) play a major role in plant development, growth, and relationships with the environment through a change in the accumulation of secondary metabolites; hence, we planned to investigate AMF’s influence on sennoside A and B accumulation in Senna alexandrina (SA) and Senna italica (SI). Seeds of SA (S. alexandrina free of mycorrhizae) and SI (S. italica free of mycorrhizae) were planted in two types of soils: +mycorrhiza and—mycorrhiza. The plant leaves of SA, SI, S. alexandrina with mycorrhizae (SAM) and S. italica with mycorrhizae (SIM) were collected and extracted (with 85% methanol), and sennoside A and B content was evaluated by the HPLC–UV method. The antioxidant activity of SA, SI, SAM and SIM was evaluated by using 2, 2-diphenyl-1-picrylhydrazyl (DPPH) and 2,2′-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) methods, while antimicrobial properties were evaluated by the minimum inhibitory concentration method (MIC). The AMF colonization was 85.66% and 85%, respectively, in the roots of SA and SI. The HPLC analysis showed a significant increase in (%) the content of sennoside A/sennoside B by 71.11/88.21, respectively, in SAM and 6.76/36.37 in SIM, which clearly indicated positive AMF effects. The DPPH/ABTS [The half maximal inhibitory concentration (IC50): 235.9/321.5 µg/mL] scavenging activity of SAM was comparatively higher and it also exhibited strong antibacterial action (MIC: 156.25 µg/mL), which supported the increase in sennoside content. This finding may be useful for further investigations of the symbiotic relation of mycorrhizal fungi with other plant species.
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13
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Velásquez A, Valenzuela M, Carvajal M, Fiaschi G, Avio L, Giovannetti M, D'Onofrio C, Seeger M. The arbuscular mycorrhizal fungus Funneliformis mosseae induces changes and increases the concentration of volatile organic compounds in Vitis vinifera cv. Sangiovese leaf tissue. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2020; 155:437-443. [PMID: 32814280 DOI: 10.1016/j.plaphy.2020.06.048] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/27/2020] [Accepted: 06/27/2020] [Indexed: 05/08/2023]
Abstract
Arbuscular mycorrhizal fungi (AMF) are beneficial obligate symbionts of plant roots. Volatile organic compounds (VOCs) participate in plant communication and defence. The aim of this study was to analyse the effects of the arbuscular mycorrhizal fungus Funneliformis mosseae IMA1 on VOCs in Vitis vinifera cv. Sangiovese leaf tissue. Grapevine plants inoculated with F. mosseae IMA1 were incubated for 23 weeks. VOCs were extracted from leaves and identified using headspace solid-phase microextraction (HS-SPME) coupled to GC-MS. VOCs in leaf tissue were strongly enhanced (85%) by F. mosseae IMA1. The mycorrhizal fungus IMA1 modified the levels of specific VOCs synthesised in different anabolic pathways. An increase in volatiles that have been related to plant defences under pathogen/herbivore attack or linked to water stress, such as (E)-2-hexenal, 3-hexenal, geraniol, benzaldehyde and methyl salicylate, was observed in mycorrhizal plants. In contrast, some C13-norisoprenoids decreased strongly in mycorrhizal plants. The study of the effects of AMF on VOCs in grapevine plants may provide useful information to establish sustainable viticultural practices.
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Affiliation(s)
- Alexis Velásquez
- Chemistry Department, Universidad Técnica Federico Santa María, Avenida España, 1680, Valparaíso, Chile; Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile.
| | - Miryam Valenzuela
- Chemistry Department, Universidad Técnica Federico Santa María, Avenida España, 1680, Valparaíso, Chile; Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile.
| | - Marcela Carvajal
- Chemistry Department, Universidad Técnica Federico Santa María, Avenida España, 1680, Valparaíso, Chile; Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile.
| | - Grazia Fiaschi
- Department of Agriculture, Food, and Environment, University of Pisa, Via del Borghetto 80, Pisa, Italy.
| | - Luciano Avio
- Department of Agriculture, Food, and Environment, University of Pisa, Via del Borghetto 80, Pisa, Italy; Interdepartmental Research Center Nutrafood - Nutraceuticals and Food for Health, University of Pisa, Pisa, Italy.
| | - Manuela Giovannetti
- Department of Agriculture, Food, and Environment, University of Pisa, Via del Borghetto 80, Pisa, Italy; Interdepartmental Research Center Nutrafood - Nutraceuticals and Food for Health, University of Pisa, Pisa, Italy.
| | - Claudio D'Onofrio
- Department of Agriculture, Food, and Environment, University of Pisa, Via del Borghetto 80, Pisa, Italy; Interdepartmental Research Center Nutrafood - Nutraceuticals and Food for Health, University of Pisa, Pisa, Italy.
| | - Michael Seeger
- Chemistry Department, Universidad Técnica Federico Santa María, Avenida España, 1680, Valparaíso, Chile; Center of Biotechnology "Dr. Daniel Alkalay Lowitt", Universidad Técnica Federico Santa María, General Bari 699, Valparaíso, Chile.
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14
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Ehlers BK, Berg MP, Staudt M, Holmstrup M, Glasius M, Ellers J, Tomiolo S, Madsen RB, Slotsbo S, Penuelas J. Plant Secondary Compounds in Soil and Their Role in Belowground Species Interactions. Trends Ecol Evol 2020; 35:716-730. [PMID: 32414604 DOI: 10.1016/j.tree.2020.04.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/01/2020] [Accepted: 04/03/2020] [Indexed: 11/24/2022]
Abstract
Knowledge of the effect of plant secondary compounds (PSCs) on belowground interactions in the more diffuse community of species living outside the rhizosphere is sparse compared with what we know about how PSCs affect aboveground interactions. We illustrate here that PSCs from foliar tissue, root exudates, and leaf litter effectively influence such belowground plant-plant, plant-microorganism, and plant-soil invertebrate interactions. Climatic factors can induce PSC production and select for different plant chemical types. Therefore, climate change can alter both quantitative and qualitative PSC production, and how these compounds move in the soil. This can change the soil chemical environment, with cascading effects on both the ecology and evolution of belowground species interactions and, ultimately, soil functioning.
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Affiliation(s)
- Bodil K Ehlers
- Department of Bioscience, Aarhus University, Vejlsøvej 25, 8600 Silkeborg, Denmark
| | - Matty P Berg
- Community and Conservation Ecology Group, Groningen Institute of Evolutionary Life Sciences, University of Groningen, Nijenborgh 7, 9747, AG, Groningen, The Netherlands; Department of Ecological Science, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081, HV, Amsterdam, The Netherlands
| | - Michael Staudt
- CEFE, CNRS, Univ Montpellier, Univ Paul Valéry Montpellier 3, EPHE, IRD, 1919 Route de Mende, 34293 Montpellier, France
| | - Martin Holmstrup
- Department of Bioscience, Aarhus University, Vejlsøvej 25, 8600 Silkeborg, Denmark
| | - Marianne Glasius
- Department of Chemistry and Interdisciplinary Nanoscience Center, Langelandsgade 140, 8000 Århus, Denmark
| | - Jacintha Ellers
- Department of Ecological Science, Vrije Universiteit Amsterdam, De Boelelaan 1085, 1081, HV, Amsterdam, The Netherlands
| | - Sara Tomiolo
- Department of Bioscience, Aarhus University, Vejlsøvej 25, 8600 Silkeborg, Denmark; Plant Ecology Group, Institute for Evolution and Ecology, Tübingen University, Auf der Morgenstelle 5, 72076 Tübingen, Germany
| | - René B Madsen
- Department of Chemistry and Interdisciplinary Nanoscience Center, Langelandsgade 140, 8000 Århus, Denmark
| | - Stine Slotsbo
- Department of Bioscience, Aarhus University, Vejlsøvej 25, 8600 Silkeborg, Denmark
| | - Josep Penuelas
- CSIC, Global Ecology Unit CREAF-CSIC-UAB, 08193 Bellaterra, Catalonia, Spain; CREAF, 08193 Cerdanyola del Vallès, Catalonia, Spain.
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15
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Kothe E, Turnau K. Editorial: Mycorrhizosphere Communication: Mycorrhizal Fungi and Endophytic Fungus-Plant Interactions. Front Microbiol 2018; 9:3015. [PMID: 30568649 PMCID: PMC6290029 DOI: 10.3389/fmicb.2018.03015] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 11/22/2018] [Indexed: 11/20/2022] Open
Affiliation(s)
- Erika Kothe
- Institute of Microbiology, Friedrich Schiller University, Jena, Germany
| | - Katarzyna Turnau
- Institute of Environmental Sciences, Jagiellonian University in Krakow, Kraków, Poland
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16
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Avio L, Turrini A, Giovannetti M, Sbrana C. Designing the Ideotype Mycorrhizal Symbionts for the Production of Healthy Food. FRONTIERS IN PLANT SCIENCE 2018; 9:1089. [PMID: 30154803 PMCID: PMC6102486 DOI: 10.3389/fpls.2018.01089] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 07/05/2018] [Indexed: 05/03/2023]
Abstract
The new paradigm in agriculture, sustainable intensification, is focusing back onto beneficial soil microorganisms, for the role played in reducing the input of chemical fertilizers and pesticides and improving plant nutrition and health. Worldwide, more and more attention is deserved to arbuscular mycorrhizal fungi (AMF), which establish symbioses with the roots of most land plants and facilitate plant nutrient uptake, by means of a large network of extraradical hyphae spreading from colonized roots to the surrounding soil and functioning as a supplementary absorbing system. AMF protect plants from biotic and abiotic stresses and are able to modulate the activity of antioxidant enzymes and the biosynthesis of secondary metabolites (phytochemicals), such as polyphenols, anthocyanins, phytoestrogens and carotenoids, that play a fundamental role in promoting human health. An increasing number of studies focused on the use of AMF symbionts for the production of functional food, with enhanced nutritional and nutraceutical value. Yet, while several plant species were investigated, only few AMF were utilized, thus limiting the full exploitation of their wide physiological and genetic diversity. Here, we will focus on AMF effects on the biosynthesis of plant secondary metabolites with health-promoting activity, and on the criteria for a finely tuned, targeted selection of the best performing symbionts, to be utilized as sustainable biotechnological tools for the production of safe and healthy plant foods.
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Affiliation(s)
- Luciano Avio
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
| | - Alessandra Turrini
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
- Interdepartmental Research Center “Nutraceuticals and Food for Health”, University of Pisa, Pisa, Italy
| | - Manuela Giovannetti
- Department of Agriculture, Food and Environment, University of Pisa, Pisa, Italy
- Interdepartmental Research Center “Nutraceuticals and Food for Health”, University of Pisa, Pisa, Italy
| | - Cristiana Sbrana
- Institute of Agricultural Biology and Biotechnology, C.N.R., UOS Pisa, Pisa, Italy
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