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Mesguida O, Haidar R, Yacoub A, Dreux-Zigha A, Berthon JY, Guyoneaud R, Attard E, Rey P. Microbial Biological Control of Fungi Associated with Grapevine Trunk Diseases: A Review of Strain Diversity, Modes of Action, and Advantages and Limits of Current Strategies. J Fungi (Basel) 2023; 9:638. [PMID: 37367574 DOI: 10.3390/jof9060638] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 06/28/2023] Open
Abstract
Grapevine trunk diseases (GTDs) are currently among the most important health challenges for viticulture in the world. Esca, Botryosphaeria dieback, and Eutypa dieback are the most current GTDs caused by fungi in mature vineyards. Their incidence has increased over the last two decades, mainly after the ban of sodium arsenate, carbendazim, and benomyl in the early 2000s. Since then, considerable efforts have been made to find alternative approaches to manage these diseases and limit their propagation. Biocontrol is a sustainable approach to fight against GTD-associated fungi and several microbiological control agents have been tested against at least one of the pathogens involved in these diseases. In this review, we provide an overview of the pathogens responsible, the various potential biocontrol microorganisms selected and used, and their origins, mechanisms of action, and efficiency in various experiments carried out in vitro, in greenhouses, and/or in vineyards. Lastly, we discuss the advantages and limitations of these approaches to protect grapevines against GTDs, as well as the future perspectives for their improvement.
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Affiliation(s)
- Ouiza Mesguida
- E2S UPPA, CNRS, IPREM, Universite de Pau et des Pays de l'Adour, 64000 Pau, France
- GreenCell: Biopôle Clermont-Limagne, 63360 Saint Beauzire, France
| | - Rana Haidar
- E2S UPPA, CNRS, IPREM, Universite de Pau et des Pays de l'Adour, 64000 Pau, France
| | - Amira Yacoub
- E2S UPPA, CNRS, IPREM, Universite de Pau et des Pays de l'Adour, 64000 Pau, France
| | | | | | - Rémy Guyoneaud
- E2S UPPA, CNRS, IPREM, Universite de Pau et des Pays de l'Adour, 64000 Pau, France
| | - Eléonore Attard
- E2S UPPA, CNRS, IPREM, Universite de Pau et des Pays de l'Adour, 64000 Pau, France
| | - Patrice Rey
- E2S UPPA, CNRS, IPREM, Universite de Pau et des Pays de l'Adour, 64000 Pau, France
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Kumar R, Hosseinzadehtaher M, Hein N, Shadmand M, Jagadish SVK, Ghanbarian B. Challenges and advances in measuring sap flow in agriculture and agroforestry: A review with focus on nuclear magnetic resonance. FRONTIERS IN PLANT SCIENCE 2022; 13:1036078. [PMID: 36426161 PMCID: PMC9679431 DOI: 10.3389/fpls.2022.1036078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 09/28/2022] [Indexed: 06/16/2023]
Abstract
Sap flow measurement is one of the most effective methods for quantifying plant water use.A better understanding of sap flow dynamics can aid in more efficient water and crop management, particularly under unpredictable rainfall patterns and water scarcity resulting from climate change. In addition to detecting infected plants, sap flow measurement helps select plant species that could better cope with hotter and drier conditions. There exist multiple methods to measure sap flow including heat balance, dyes and radiolabeled tracers. Heat sensor-based techniques are the most popular and commercially available to study plant hydraulics, even though most of them are invasive and associated with multiple kinds of errors. Heat-based methods are prone to errors due to misalignment of probes and wounding, despite all the advances in this technology. Among existing methods for measuring sap flow, nuclear magnetic resonance (NMR) is an appropriate non-invasive approach. However, there are challenges associated with applications of NMR to measure sap flow in trees or field crops, such as producing homogeneous magnetic field, bulkiness and poor portable nature of the instruments, and operational complexity. Nonetheless, various advances have been recently made that allow the manufacture of portable NMR tools for measuring sap flow in plants. The basic concept of the portal NMR tool is based on an external magnetic field to measure the sap flow and hence advances in magnet types and magnet arrangements (e.g., C-type, U-type, and Halbach magnets) are critical components of NMR-based sap flow measuring tools. Developing a non-invasive, portable and inexpensive NMR tool that can be easily used under field conditions would significantly improve our ability to monitor vegetation responses to environmental change.
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Affiliation(s)
- Ritesh Kumar
- Department of Agronomy, Kansas State University, Manhattan, KS, United States
| | - Mohsen Hosseinzadehtaher
- Department of Electrical & Computer Engineering, University of Illinois, Chicago, IL, United States
| | - Nathan Hein
- Department of Agronomy, Kansas State University, Manhattan, KS, United States
| | - Mohammad Shadmand
- Department of Electrical & Computer Engineering, University of Illinois, Chicago, IL, United States
| | | | - Behzad Ghanbarian
- Porous Media Research Lab, Department of Geology, Kansas State University, Manhattan, KS, United States
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Bouamama-Gzara B, Zemni H, Sleimi N, Ghorbel A, Gzara L, Mahfoudhi N. Diversification of Vascular Occlusions and Crystal Deposits in the Xylem Sap Flow of Five Tunisian Grapevines. PLANTS 2022; 11:plants11162177. [PMID: 36015480 PMCID: PMC9414702 DOI: 10.3390/plants11162177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 07/20/2022] [Accepted: 07/22/2022] [Indexed: 11/30/2022]
Abstract
Xylem vessels are essential pivotal organs in bulk hydraulic flow through the whole woody plant. However, environmental constraints generate disagreements in xylem structures, which are characterized by air emboli and occlusions formations, compromising water conductivity in grapevines. The aim of this work was to explore xylem morphology dynamics through the xylem sap flow of five Tunisian grapevine cultivars during the natural bleeding sap periods of 2019, 2021, and 2022. In fact, Sakasly, Khamri, Hencha, Razegui1, and Razegui2 rain-fed grapevine cultivars revealed differential responses towards xylem sap movement. The results demonstrated that the xylem sap flow was significantly more abundant in 2019 than 2021 and 2022 bleeding sap campaigns. A variation was revealed between the cultivars regarding the xylem sap flow. In fact, Sakasly gave the best xylem flow during the three campaigns. Razegui1 and Razegui2 registered approximately similar xylem sap flow, while Hencha and Khamri present the lowest sap fluxes during the three campaigns. Moreover, several vascular occlusions forms were identified from stem cross sections using environmental scanning electron microscopy (ESEM), including tyloses, gels, starch, and gum deposits. The highest occlusion number was observed in Sakasly, Razegui1, and Razegui2 cultivars. Among different biogenic calcium shapes, several were observed for the first time in grapevine, including multi-faceted druse, cubic, crystalline sand, styloids, spherical, or drop-like structures. Considering their lower flow and totally blocked vessels, both Hencha and Khamri confirmed their susceptibility to environmental constraints. However, Sakasly, Razegui1, and Razegui2 cultivars presented higher tolerance according to their sap flow and xylem morphology.
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Affiliation(s)
- Badra Bouamama-Gzara
- Laboratory of Plant Molecular Physiology, Center of Biotechnology of Borj-Cédria, University of Carthage, BP. 905, Hammam-Lif 2050, Tunisia
- Correspondence:
| | - Hassene Zemni
- Laboratory of Plant Molecular Physiology, Center of Biotechnology of Borj-Cédria, University of Carthage, BP. 905, Hammam-Lif 2050, Tunisia
| | - Noomene Sleimi
- Laboratory RME—Resources, Materials and Ecosystems, Faculty of Sciences of Bizerte, University of Carthage, Bizerte 7021, Tunisia
| | - Abdelwahed Ghorbel
- Laboratory of Plant Molecular Physiology, Center of Biotechnology of Borj-Cédria, University of Carthage, BP. 905, Hammam-Lif 2050, Tunisia
| | - Lassaad Gzara
- Center of Excellence in Desalination Technology, King Abdulaziz University, P.O. Box 80200, Jeddah 21589, Saudi Arabia
| | - Naima Mahfoudhi
- Laboratory of Plant Protection, National Institute of Agronomic Research of Tunisia, University of Carthage Rue Hedi Karray, El Menzah 1004, Tunisia
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Minimal versus Intensive: How the Pruning Intensity Affects Occurrence of Grapevine Leaf Stripe Disease, Wood Integrity, and the Mycobiome in Grapevine Trunks. J Fungi (Basel) 2022; 8:jof8030247. [PMID: 35330249 PMCID: PMC8948712 DOI: 10.3390/jof8030247] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 02/22/2022] [Accepted: 02/25/2022] [Indexed: 01/04/2023] Open
Abstract
Previous works on grapevine-trunk diseases indicate that minimal or non-pruning of the grapevine under certain circumstances can significantly reduce the risk of symptom expression. Nevertheless, knowledge of the mechanisms behind these observations are limited. Therefore, it was the aim of this study to investigate in more detail the effect of pruning intensity on the grapevine trunk by means of trunk integrity and the fungal community in the wood tissue. Two German vineyards partially trained in vertical-shoot position and semi-minimally pruned hedges were chosen for this survey due to the accessibility of multi-annual esca-monitoring data. The results revealed that only in one of the two vineyards was the incidence of external esca symptoms significantly reduced over a period of five years (2017–2021) by minimal pruning, which was up to 73.7% compared to intensive pruning. In both vineyards, the trunks of intensively pruned vines not only had more pruning wounds on the trunk (by 86.0% and 72.9%, respectively) than minimally pruned vines, but also exhibited a larger (by 19.3% and 14.7%, respectively) circumference of the trunk head. In addition, the percentage of white rot and necrosis in the trunks of esca-positive and esca-negative vines was analyzed and compared between the two pruning intensities; hereby, significant differences were only found for esca-negative ‘Dornfelder’ vines, in which the proportion of necrosis was higher for intensively pruned vines (23.0%) than for minimally pruned vines (11.5%). The fungal communities of the differently pruned vine trunks were mainly dominated by four genera, which are also associated with GTDs: Diplodia, Eutypa, Fomitiporia and Phaeomoniella. All in all, the fungal diversity and community composition did not differ between minimally and intensively pruned, esca-positive vines.
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Di Marco S, Metruccio EG, Moretti S, Nocentini M, Carella G, Pacetti A, Battiston E, Osti F, Mugnai L. Activity of Trichoderma asperellum Strain ICC 012 and Trichoderma gamsii Strain ICC 080 Toward Diseases of Esca Complex and Associated Pathogens. Front Microbiol 2022; 12:813410. [PMID: 35154039 PMCID: PMC8831765 DOI: 10.3389/fmicb.2021.813410] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 12/16/2021] [Indexed: 01/19/2023] Open
Abstract
Grapevine trunk diseases are widespread in all grape-growing countries. The diseases included in the Esca complex of diseases are particularly common in European vineyards. Their distinctive foliar symptoms are well known to be associated not only with losses in quantity, as with all grapevine wood diseases, but also with losses in the quality of the crop. Protection of pruning wounds is known to reduce infections in artificial inoculations and, to some extent, reduce the external leaf symptoms. The application of biological control agents in the field is typically started at the first appearance of symptoms. In this article, the two strains belonging to two different species, Trichoderma asperellum ICC 012 and T. gamsii ICC 080, which are present in a commercial formulation, were tested in vitro, in vivo in artificial inoculation, and in the field in long-term experiments where the wounds on four young asymptomatic vineyards were protected since 1 or 2 years after planting. The in vitro trials highlighted the different temperature requirements of the two strains, the direct mycoparasitizing activity of T. asperellum, and the indirect activity shown by both Trichoderma strains. The in vivo trials confirmed the ability of the two strains to reduce the colonization following artificial inoculations with the high, unnatural concentration of spores used in artificial infections, even if with variable efficacy, and with long persistence as they could be reisolated 7 months post-application. The preventive applications carried out over 9 years showed a very high reduction in symptom development in the treated vines, on annual and cumulated incidence and on the death of vines, with disease reduction varying from 66 to almost 90%. Early and annual application of protection to the pruning wounds appears to be the best method for reducing damages caused by grapevine leaf stripe disease (a disease of the Esca complex of diseases). Trichoderma appears to offer an efficient, environmentally friendly, and long-lasting protection in the presence of a natural inoculum concentration.
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Affiliation(s)
- Stefano Di Marco
- Institute of BioEconomy, National Research Council, Bologna, Italy
| | | | - Samuele Moretti
- Plant Pathology and Entomology Section, Department of Agricultural, Food, Environmental and Forestry Science and Technology (DAGRI), University of Florence, Florence, Italy
- *Correspondence: Samuele Moretti,
| | - Marco Nocentini
- Plant Pathology and Entomology Section, Department of Agricultural, Food, Environmental and Forestry Science and Technology (DAGRI), University of Florence, Florence, Italy
| | - Giuseppe Carella
- Plant Pathology and Entomology Section, Department of Agricultural, Food, Environmental and Forestry Science and Technology (DAGRI), University of Florence, Florence, Italy
| | - Andrea Pacetti
- Plant Pathology and Entomology Section, Department of Agricultural, Food, Environmental and Forestry Science and Technology (DAGRI), University of Florence, Florence, Italy
| | - Enrico Battiston
- Plant Pathology and Entomology Section, Department of Agricultural, Food, Environmental and Forestry Science and Technology (DAGRI), University of Florence, Florence, Italy
| | - Fabio Osti
- Institute of BioEconomy, National Research Council, Bologna, Italy
- Fabio Osti,
| | - Laura Mugnai
- Plant Pathology and Entomology Section, Department of Agricultural, Food, Environmental and Forestry Science and Technology (DAGRI), University of Florence, Florence, Italy
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Fournier P, Pellan L, Barroso-Bergadà D, Bohan DA, Candresse T, Delmotte F, Dufour MC, Lauvergeat V, Le Marrec C, Marais A, Martins G, Masneuf-Pomarède I, Rey P, Sherman D, This P, Frioux C, Labarthe S, Vacher C. The functional microbiome of grapevine throughout plant evolutionary history and lifetime. ADV ECOL RES 2022. [DOI: 10.1016/bs.aecr.2022.09.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Bettenfeld P, Cadena i Canals J, Jacquens L, Fernandez O, Fontaine F, van Schaik E, Courty PE, Trouvelot S. The microbiota of the grapevine holobiont: A key component of plant health. J Adv Res 2021; 40:1-15. [PMID: 36100319 PMCID: PMC9481934 DOI: 10.1016/j.jare.2021.12.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2021] [Revised: 12/08/2021] [Accepted: 12/17/2021] [Indexed: 02/07/2023] Open
Abstract
Grapevine interacts different microbiota living around and within its tissues Addition of microbial genes to plant genome gives supplementary functions to the holobiont The composition of grapevine microbiota varies according to endogenous and exogenous factors Microbiota variations can lead to perturbations of grapevine metabolism The link between symptom emergence of dieback and microbial imbalance is currently studied
Background Grapevine is a woody, perennial plant of high economic importance worldwide. Like other plants, it lives in close association with large numbers of microorganisms. Bacteria, fungi and viruses are structured in communities, and each individual can be beneficial, neutral or harmful to the plant. In this sense, microorganisms can interact with each other and regulate plant functions (including immunity) and even provide new ones. Thus, the grapevine associated with its microbial communities constitutes a supra-organism, also called a holobiont, whose functioning is linked to established plant-microorganism interactions. Aim of review The overall health of the plant may be conditioned by the diversity and structure of microbial communities. Consequently, an optimal microbial composition will consist of a microbial balance allowing the plant to be healthy. Conversely, an imbalance of microbial populations could lead to (or be generated by) a decline of the plant. The microbiome is an active component of the host also responsive to biotic and abiotic changes; in that respect, a better understanding of the most important drivers of the composition of plant microbiomes is needed. Key scientific concepts of review This article presents the current state of the art about the grapevine microbiota and its composition according to the plant compartments and the influencing factors. We also focus on situations of imbalance, in particular during plant disease or decline. Finally, we discuss the possible interest of microbial engineering in an agrosystem such as viticulture.
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Del Frari G, Oliveira H, Boavida Ferreira R. White Rot Fungi ( Hymenochaetales) and Esca of Grapevine: Insights from Recent Microbiome Studies. J Fungi (Basel) 2021; 7:jof7090770. [PMID: 34575808 PMCID: PMC8469066 DOI: 10.3390/jof7090770] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 09/14/2021] [Accepted: 09/15/2021] [Indexed: 01/12/2023] Open
Abstract
Esca is a major grapevine trunk disease that heavily affects vineyards in the Northern hemisphere. The etiology and epidemiology of this disease have been subject of dispute ever since the earliest disease reports. The reason behind such debate is the presence of multiple internal and external symptoms, as well as several putative and confirmed wood pathogens. While the role of pathogenic fungi, as causal agents of wood symptoms, has been thoroughly assessed, their role in the expression of leaf symptoms remains to be fully elucidated. In this review, we analyzed etiological and epidemiological data, with a special focus on the microbiological aspect of esca and the involvement of Hymenochaetales (Basidiomycota). Vineyard studies have associated leaf symptoms with the presence of white rot, most frequently caused by Fomitiporia mediterranea (Hymenochaetales), while tracheomycotic fungi are commonly found, with similar abundance, in symptomatic and asymptomatic vines. Pathogenicity trials have excluded a direct effect of Hymenochaetales species in triggering leaf symptoms, while the data concerning the role of tracheomycotic fungi remains controversial. Recent microbiome studies confirmed that F. mediterranea is more abundant in leaf-symptomatic vines, and treatments that effectively control leaf symptoms, such as sodium arsenite spray and trunk surgery, act directly on the abundance of F. mediterranea or on the presence of white rot. This suggest that the simultaneous presence of Hymenochaetales and tracheomycotic fungi is a pre-requisite for leaf symptoms; however, the relation among fungal pathogens, grapevine and other biotic and abiotic factors needs further investigation.
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Haidar R, Yacoub A, Vallance J, Compant S, Antonielli L, Saad A, Habenstein B, Kauffmann B, Grélard A, Loquet A, Attard E, Guyoneaud R, Rey P. Bacteria associated with wood tissues of Esca-diseased grapevines: functional diversity and synergy with Fomitiporia mediterranea to degrade wood components. Environ Microbiol 2021; 23:6104-6121. [PMID: 34288352 PMCID: PMC9291561 DOI: 10.1111/1462-2920.15676] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Accepted: 07/18/2021] [Indexed: 11/30/2022]
Abstract
Fungi are considered to cause grapevine trunk diseases such as esca that result in wood degradation. For instance, the basidiomycete Fomitiporia mediterranea (Fmed) is overabundant in white rot, a key type of wood‐necrosis associated with esca. However, many bacteria colonize the grapevine wood too, including the white rot. In this study, we hypothesized that bacteria colonizing grapevine wood interact, possibly synergistically, with Fmed and enhance the fungal ability to degrade wood. We isolated 237 bacterial strains from esca‐affected grapevine wood. Most of them belonged to the families Xanthomonadaceae and Pseudomonadaceae. Some bacterial strains that degrade grapevine‐wood components such as cellulose and hemicellulose did not inhibit Fmed growth in vitro. We proved that the fungal ability to degrade wood can be strongly influenced by bacteria inhabiting the wood. This was shown with a cellulolytic and xylanolytic strain of the Paenibacillus genus, which displays synergistic interaction with Fmed by enhancing the degradation of wood structures. Genome analysis of this Paenibacillus strain revealed several gene clusters such as those involved in the expression of carbohydrate‐active enzymes, xylose utilization and vitamin metabolism. In addition, certain other genetic characteristics of the strain allow it to thrive as an endophyte in grapevine and influence the wood degradation by Fmed. This suggests that there might exist a synergistic interaction between the fungus Fmed and the bacterial strain mentioned above, enhancing grapevine wood degradation. Further step would be to point out its occurrence in mature grapevines to promote esca disease development.
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Affiliation(s)
- Rana Haidar
- INRAE, UMR SAVE, Bordeaux Science Agro, ISVV, University of Bordeaux, Villenave d'Ornon, 33882, France.,Biology Department, Faculty of Science, Tishreen University, Latakia, Syria
| | - Amira Yacoub
- INRAE, UMR SAVE, Bordeaux Science Agro, ISVV, University of Bordeaux, Villenave d'Ornon, 33882, France
| | - Jessica Vallance
- INRAE, UMR SAVE, Bordeaux Science Agro, ISVV, University of Bordeaux, Villenave d'Ornon, 33882, France
| | - Stéphane Compant
- AIT Austrian Institute of Technology GmbH, Bioresources Unit, Center for Health and Bioresources, Konrad Lorenz Straße 24, Tulln, 3430, Austria
| | - Livio Antonielli
- AIT Austrian Institute of Technology GmbH, Bioresources Unit, Center for Health and Bioresources, Konrad Lorenz Straße 24, Tulln, 3430, Austria
| | - Ahmad Saad
- Institut de Chimie et Biologie des Membranes et des Nanoobjets, IECB, CNRS, Université de Bordeaux, Pessac, 33607, France
| | - Birgit Habenstein
- Institut de Chimie et Biologie des Membranes et des Nanoobjets, IECB, CNRS, Université de Bordeaux, Pessac, 33607, France
| | - Brice Kauffmann
- IECB, UMS 3033, US001, CNRS, Université de Bordeaux, Pessac, 33607, France
| | - Axelle Grélard
- Institut de Chimie et Biologie des Membranes et des Nanoobjets, IECB, CNRS, Université de Bordeaux, Pessac, 33607, France
| | - Antoine Loquet
- Institut de Chimie et Biologie des Membranes et des Nanoobjets, IECB, CNRS, Université de Bordeaux, Pessac, 33607, France
| | - Eléonore Attard
- Université de Pau et des Pays de l'Adour/E2S UPPA/CNRS, Institut des Sciences Analytiques et de Physicochimie pour l'Environnement et les Matériaux - UMR 5254, IBEAS Avenue de l'Université, Pau, 64013, France
| | - Rémy Guyoneaud
- Université de Pau et des Pays de l'Adour/E2S UPPA/CNRS, Institut des Sciences Analytiques et de Physicochimie pour l'Environnement et les Matériaux - UMR 5254, IBEAS Avenue de l'Université, Pau, 64013, France
| | - Patrice Rey
- INRAE, UMR SAVE, Bordeaux Science Agro, ISVV, University of Bordeaux, Villenave d'Ornon, 33882, France
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