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Rahman MU, Liu X, Wang X, Fan B. Grapevine gray mold disease: infection, defense and management. HORTICULTURE RESEARCH 2024; 11:uhae182. [PMID: 39247883 PMCID: PMC11374537 DOI: 10.1093/hr/uhae182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 07/01/2024] [Indexed: 09/10/2024]
Abstract
Grapevine (Vitis vinifera L.,) is among the world's leading fruit crops. The production of grapes is severely affected by many diseases including gray mold, caused by the necrotrophic fungus Botrytis cinerea. Although all Vitis species can be hosts for B. cinerea, V. vinifera are particularly susceptible. Accordingly, this disease poses a significant threat to the grape industry and causes substantial economic losses. Development of resistant V. vinifera cultivars has progressed from incidental selection by farmers, to targeted selection through the use of statistics and experimental design, to the employment of genetic and genomic data. Emerging technologies such as marker-assisted selection and genetic engineering have facilitated the development of cultivars that possess resistance to B. cinerea. A promising method involves using the CRISPR/Cas9 system to induce targeted mutagenesis and develop genetically modified non-transgenic crops. Hence, scientists are now engaged in the active pursuit of identifying genes associated with susceptibility and resistance. This review focuses on the known mechanisms of interaction between the B. cinerea pathogen and its grapevine host. It also explores innate immune systems that have evolved in V. vinifera, with the objective of facilitating the rapid development of resistant grapevine cultivars.
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Affiliation(s)
- Mati Ur Rahman
- Co-Innovation Center for Sustainable Forestry in Southern China, Department of Forest Protection, College of Forestry and Grassland, Nanjing Forestry University, Nanjing 210073, China
| | - Xia Liu
- Co-Innovation Center for Sustainable Forestry in Southern China, Department of Forest Protection, College of Forestry and Grassland, Nanjing Forestry University, Nanjing 210073, China
| | - Xiping Wang
- State Key Laboratory of Crop Stress Biology in Arid Areas, College of Horticulture, Northwest A&F University, 712100 Yangling, Xianyang, Shaanxi, China
| | - Ben Fan
- Co-Innovation Center for Sustainable Forestry in Southern China, Department of Forest Protection, College of Forestry and Grassland, Nanjing Forestry University, Nanjing 210073, China
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Ismail I, Taylor AS, Van Den Heuvel S, Borneman A, Sosnowski MR. Sensitivity of Plasmopara viticola to selected fungicide groups and the occurrence of the G143A mutant in Australian grapevine isolates. PEST MANAGEMENT SCIENCE 2024; 80:3861-3872. [PMID: 38511652 DOI: 10.1002/ps.8089] [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: 11/08/2023] [Revised: 03/04/2024] [Accepted: 03/18/2024] [Indexed: 03/22/2024]
Abstract
BACKGROUND Grapevine downy mildew, caused by Plasmopara viticola, is an economically important disease in Australia and worldwide. The application of fungicides is the main tool to control this disease. Frequent fungicide applications can lead to the selection of resistant P. viticola populations, which has negative impacts on the management of the disease. Identification of resistance and its prevalence is necessary to inform resistance management strategies. RESULTS A total of 86 P. viticola isolates were collected between 2017 and 2022 from vineyards in 15 growing regions across Australia for four fungicide groups; phenylamide (PA, group 4), carboxylic acid amide (CAA, group 40), quinone outside inhibitor (QoI, group 11) and quinone outside inhibitor stigmatellin binding type (QoSI, group 45). Decreased phenotypic sensitivity was detected for all four groups, and resistance to metalaxyl-M (PA) and pyraclostrobin (QoI), was detected. Genetic analysis to detect the G143A (QoI) and G1105S (CAA) mutations using amplicon-based sequencing was performed for 239 and 65 isolates collected in 2014-2017 and 2017-2022, respectively. G143A was detected in 8% and 52% of isolates, respectively, with strong association to phenotypic resistance. However, G1105S was not detected in any isolates. CONCLUSION Plasmopara viticola isolates in Australia with resistance to at least two fungicide groups have been detected, therefore it is necessary to adopt resistance management strategies where resistance has been detected. Vineyards should continue to be monitored to improve management strategies for downy mildew. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Ismail Ismail
- South Australian Research and Development Institute (SARDI), Urrbrae, SA, Australia
- School of Agriculture, Food and Wine, The University of Adelaide, Urrbrae, SA, Australia
| | - Andrew S Taylor
- Department of Primary Industries and Regional Development, Bunbury, WA, Australia
| | | | - Anthony Borneman
- School of Agriculture, Food and Wine, The University of Adelaide, Urrbrae, SA, Australia
- The Australian Wine Research Institute (AWRI), Urrbrae, SA, Australia
| | - Mark R Sosnowski
- South Australian Research and Development Institute (SARDI), Urrbrae, SA, Australia
- School of Agriculture, Food and Wine, The University of Adelaide, Urrbrae, SA, Australia
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Paineau M, Minio A, Mestre P, Fabre F, Mazet ID, Couture C, Legeai F, Dumartinet T, Cantu D, Delmotte F. Multiple deletions of candidate effector genes lead to the breakdown of partial grapevine resistance to downy mildew. THE NEW PHYTOLOGIST 2024; 243:1490-1505. [PMID: 39021210 DOI: 10.1111/nph.19861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 03/21/2024] [Indexed: 07/20/2024]
Abstract
Grapevine downy mildew, caused by the oomycete Plasmopara viticola (P. viticola, Berk. & M. A. Curtis; Berl. & De Toni), is a global threat to Eurasian wine grapes Vitis vinifera. Although resistant grapevine varieties are becoming more accessible, P. viticola populations are rapidly evolving to overcome these resistances. We aimed to uncover avirulence genes related to Rpv3.1-mediated grapevine resistance. We sequenced the genomes and characterized the development of 136 P. viticola strains on resistant and sensitive grapevine cultivars. A genome-wide association study was conducted to identify genomic variations associated with resistant-breaking phenotypes. We identified a genomic region associated with the breakdown of Rpv3.1 grapevine resistance (avrRpv3.1 locus). A diploid-aware reassembly of the P. viticola INRA-Pv221 genome revealed structural variations in this locus, including a 30 kbp deletion. Virulent P. viticola strains displayed multiple deletions on both haplotypes at the avrRpv3.1 locus. These deletions involve two paralog genes coding for proteins with 800-900 amino acids and signal peptides. These proteins exhibited a structure featuring LWY-fold structural modules, common among oomycete effectors. When transiently expressed, these proteins induced cell death in grapevines carrying Rpv3.1 resistance, confirming their avirulence nature. This discovery sheds light on the genetic mechanisms enabling P. viticola to adapt to grapevine resistance, laying a foundation for developing strategies to manage this destructive crop pathogen.
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Affiliation(s)
- Manon Paineau
- INRAE, Bordeaux Sciences Agro, SAVE, ISVV, F-33340, Villenave d'Ornon, France
- Department of Viticulture and Enology, University of California Davis, Davis, 95616, CA, USA
| | - Andrea Minio
- Department of Viticulture and Enology, University of California Davis, Davis, 95616, CA, USA
| | - Pere Mestre
- INRAE, Université de Strasbourg, SVQV, F-68125, Colmar, France
| | - Frédéric Fabre
- INRAE, Bordeaux Sciences Agro, SAVE, ISVV, F-33340, Villenave d'Ornon, France
| | - Isabelle D Mazet
- INRAE, Bordeaux Sciences Agro, SAVE, ISVV, F-33340, Villenave d'Ornon, France
| | - Carole Couture
- INRAE, Bordeaux Sciences Agro, SAVE, ISVV, F-33340, Villenave d'Ornon, France
| | - Fabrice Legeai
- INRAE, IGEPP, F-35650, Le-Rheu, France
- INRIA, IRISA, GenOuest Core Facility, F-35000, Rennes, France
| | | | - Dario Cantu
- Department of Viticulture and Enology, University of California Davis, Davis, 95616, CA, USA
- Genome Center, University of California Davis, Davis, 95616, CA, USA
| | - François Delmotte
- INRAE, Bordeaux Sciences Agro, SAVE, ISVV, F-33340, Villenave d'Ornon, France
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Shi M, Savoi S, Sarah G, Soriano A, Weber A, Torregrosa L, Romieu C. Vitis rotundifolia Genes Introgressed with RUN1 and RPV1: Poor Recombination and Impact on V. vinifera Berry Transcriptome. PLANTS (BASEL, SWITZERLAND) 2024; 13:2095. [PMID: 39124212 PMCID: PMC11314213 DOI: 10.3390/plants13152095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 08/12/2024]
Abstract
Thanks to several Vitis vinifera backcrosses with an initial V. vinifera L. × V. rotundifolia (previously Muscadinia rotundifolia) interspecific cross, the MrRUN1/MrRPV1 locus (resistance to downy and powdery mildews) was introgressed in genotypes phenotypically close to V. vinifera varieties. To check the consequences of introgressing parts of the V. rotundifolia genome on gene expression during fruit development, we conducted a comparative RNA-seq study on single berries from different V. vinifera cultivars and V. vinifera × V. rotundifolia hybrids, including 'G5' and two derivative microvine lines, 'MV102' (resistant) and 'MV32' (susceptible) segregating for the MrRUN1/RPV1 locus. RNA-Seq profiles were analyzed on a comprehensive set of single berries from the end of the herbaceous plateau to the ripe stage. Pair-end reads were aligned both on V. vinifera PN40024.V4 reference genome, V. rotundifolia cv 'Trayshed' and cv 'Carlos', and to the few resistance genes from the original V. rotundifolia cv '52' parent available at NCBI. Weighted Gene Co-expression Network Analysis (WGCNA) led to classifying the differentially expressed genes into 15 modules either preferentially correlated with resistance or berry phenology and composition. Resistance positively correlated transcripts predominantly mapped on the 4-5 Mb distal region of V. rotundifolia chromosome 12 beginning with the MrRUN1/MrRPV1 locus, while the negatively correlated ones mapped on the orthologous V. vinifera region, showing this large extremity of LG12 remained recalcitrant to internal recombination during the successive backcrosses. Some constitutively expressed V. rotundifolia genes were also observed at lower densities outside this region. Genes overexpressed in developing berries from resistant accessions, either introgressed from V. rotundifolia or triggered by these in the vinifera genome, spanned various functional groups, encompassing calcium signal transduction, hormone signaling, transcription factors, plant-pathogen-associated interactions, disease resistance proteins, ROS and phenylpropanoid biosynthesis. This transcriptomic insight provides a foundation for understanding the disease resistance inherent in these hybrid cultivars and suggests a constitutive expression of NIR NBS LRR triggering calcium signaling. Moreover, these results illustrate the magnitude of transcriptomic changes caused by the introgressed V. rotundifolia background in backcrossed hybrids, on a large number of functions largely exceeding the ones constitutively expressed in single resistant gene transformants.
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Affiliation(s)
- Mengyao Shi
- UMR AGAP Institute, University Montpellier, CIRAD, INRAE, Institute Agro, 34090 Montpellier, France; (M.S.); (G.S.); (A.S.); (A.W.)
| | - Stefania Savoi
- Department of Agricultural, Forest and Food Sciences, University of Turin, Largo Paolo Braccini 2, 10095 Grugliasco, TO, Italy;
| | - Gautier Sarah
- UMR AGAP Institute, University Montpellier, CIRAD, INRAE, Institute Agro, 34090 Montpellier, France; (M.S.); (G.S.); (A.S.); (A.W.)
- UMT Geno-Vigne, IFV-INRAE-Institute Agro, 34060 Montpellier, France;
| | - Alexandre Soriano
- UMR AGAP Institute, University Montpellier, CIRAD, INRAE, Institute Agro, 34090 Montpellier, France; (M.S.); (G.S.); (A.S.); (A.W.)
| | - Audrey Weber
- UMR AGAP Institute, University Montpellier, CIRAD, INRAE, Institute Agro, 34090 Montpellier, France; (M.S.); (G.S.); (A.S.); (A.W.)
| | - Laurent Torregrosa
- UMT Geno-Vigne, IFV-INRAE-Institute Agro, 34060 Montpellier, France;
- LEPSE, University Montpellier, CIRAD, INRAE, Institute Agro, 34060 Montpellier, France
| | - Charles Romieu
- UMR AGAP Institute, University Montpellier, CIRAD, INRAE, Institute Agro, 34090 Montpellier, France; (M.S.); (G.S.); (A.S.); (A.W.)
- UMT Geno-Vigne, IFV-INRAE-Institute Agro, 34060 Montpellier, France;
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Esquibet M, Mwangi JM, Kiewnick S, Wang X, Mimee B, Handayani ND, Bert W, Helder J, Wainer J, Sakata I, Garcia N, Grenier E, Montarry J. Europe as a secondary distribution hub in the worldwide invasion of the potato cyst nematode Globodera rostochiensis. Sci Rep 2024; 14:13915. [PMID: 38886543 PMCID: PMC11183074 DOI: 10.1038/s41598-024-64617-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 06/11/2024] [Indexed: 06/20/2024] Open
Abstract
The potato cyst nematode Globodera rostochiensis originates from the Andean Mountain region in South America and has unintentionally been introduced to all inhabited continents. Several studies have examined the population genetic structure of this pest in various countries by using microsatellite markers. However, merging microsatellite data produced from different laboratories is challenging and can introduce uncertainty when interpreting the results. To overcome this challenge and to explore invasion routes of this pest, we have genotyped 22 G. rostochiensis populations from all continents. Within populations, the highest genetic diversity was observed in the South American populations, the European populations showed an intermediate level of genetic diversity and the remaining populations were the less diverse. This confirmed pre-existing knowledge such as a first introduction event from South America to Europe, but the less diverse populations could originate either from South America or from Europe. At the continental scale, STRUCTURE genetic clustering output indicated that North America and Asia have experienced at least two introduction events. Comparing different evolutionary scenarios, the Approximate Bayesian Computation analysis showed that Europe served as a secondary distribution centre for the invasion of G. rostochiensis into all other continents (North America, Africa, Asia and Oceania).
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Affiliation(s)
| | - James M Mwangi
- Department of Biological Sciences, Chuka University, Chuka, Kenya
- Julius Kühn-Institut, 38104, Braunschweig, Germany
| | | | - Xiaohong Wang
- US Department of Agriculture, Agricultural Research Service, Robert W. Holley Center for Agriculture and Health and School of Integrative Plant Science, Cornell University, Ithaca, NY, USA
| | - Benjamin Mimee
- Agriculture and Agri-Food Canada, Saint-Jean-sur-Richelieu, QC, Canada
| | - Nurul Dwi Handayani
- Nematology Research Unit, Department of Biology, Ghent University, Ghent, Belgium
- Indonesian Agricultural Quarantine Agency, Ministry of Agriculture, E Building 5th Floor, Jl. Harsono RM, 3 Ragunan, Jakarta, 12550, Indonesia
| | - Wim Bert
- Nematology Research Unit, Department of Biology, Ghent University, Ghent, Belgium
| | - Johannes Helder
- Laboratory of Nematology, Wageningen University, Wageningen, The Netherlands
| | - John Wainer
- AgriBio Centre, Agriculture Victoria Research, Melbourne, Australia
| | - Itaru Sakata
- Hokkaido Agricultural Research Centre (HARC), National Agriculture and Food Research Organization (NARO), Hokkaido, Japan
| | - Nathan Garcia
- Nematology Unit, Plant Health Laboratory, ANSES, 35653, Le Rheu, France
| | - Eric Grenier
- IGEPP, INRAE, Institut Agro, Univ Rennes, Le Rheu, France
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Macia FM, Possamai T, Dorne MA, Lacombe MC, Duchêne E, Merdinoglu D, Peeters N, Rousseau D, Wiedemann-Merdinoglu S. Phenotyping grapevine resistance to downy mildew: deep learning as a promising tool to assess sporulation and necrosis. PLANT METHODS 2024; 20:90. [PMID: 38872155 DOI: 10.1186/s13007-024-01220-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Accepted: 06/03/2024] [Indexed: 06/15/2024]
Abstract
BACKGROUND Downy mildew is a plant disease that affects all cultivated European grapevine varieties. The disease is caused by the oomycete Plasmopara viticola. The current strategy to control this threat relies on repeated applications of fungicides. The most eco-friendly and sustainable alternative solution would be to use bred-resistant varieties. During breeding programs, some wild Vitis species have been used as resistance sources to introduce resistance loci in Vitis vinifera varieties. To ensure the durability of resistance, resistant varieties are built on combinations of these loci, some of which are unfortunately already overcome by virulent pathogen strains. The development of a high-throughput machine learning phenotyping method is now essential for identifying new resistance loci. RESULTS Images of grapevine leaf discs infected with P. viticola were annotated with OIV 452-1 values, a standard scale, traditionally used by experts to assess resistance visually. This descriptor takes two variables into account the complete phenotype of the symptom: sporulation and necrosis. This annotated dataset was used to train neural networks. Various encoders were used to incorporate prior knowledge of the scale's ordinality. The best results were obtained with the Swin transformer encoder which achieved an accuracy of 81.7%. Finally, from a biological point of view, the model described the studied trait and identified differences between genotypes in agreement with human observers, with an accuracy of 97% but at a high-throughput 650% faster than that of humans. CONCLUSION This work provides a fast, full pipeline for image processing, including machine learning, to describe the symptoms of grapevine leaf discs infected with P. viticola using the OIV 452-1, a two-symptom standard scale that considers sporulation and necrosis. If symptoms are frequently assessed by visual observation, which is time-consuming, low-throughput, tedious, and expert dependent, the method developed sweeps away all these constraints. This method could be extended to other pathosystems studied on leaf discs where disease symptoms are scored with ordinal scales.
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Affiliation(s)
- Felicià Maviane Macia
- Laboratoire des Interactions Plantes Micro-organismes Environnement (LIPME), INRAE, CNRS, Université de Toulouse, Chem. de Borde Rouge, Castanet-Tolosan, France
- Université d'Angers, LARIS, INRAE, IRHS, Angers, France
- Santé de la Vigne et Qualité du Vin (SVQV), INRAE, Université de Strasbourg, Colmar, France
| | - Tyrone Possamai
- Santé de la Vigne et Qualité du Vin (SVQV), INRAE, Université de Strasbourg, Colmar, France
| | - Marie-Annick Dorne
- Santé de la Vigne et Qualité du Vin (SVQV), INRAE, Université de Strasbourg, Colmar, France
| | - Marie-Céline Lacombe
- Santé de la Vigne et Qualité du Vin (SVQV), INRAE, Université de Strasbourg, Colmar, France
| | - Eric Duchêne
- Santé de la Vigne et Qualité du Vin (SVQV), INRAE, Université de Strasbourg, Colmar, France
| | - Didier Merdinoglu
- Santé de la Vigne et Qualité du Vin (SVQV), INRAE, Université de Strasbourg, Colmar, France
| | - Nemo Peeters
- Laboratoire des Interactions Plantes Micro-organismes Environnement (LIPME), INRAE, CNRS, Université de Toulouse, Chem. de Borde Rouge, Castanet-Tolosan, France
| | - David Rousseau
- Université d'Angers, LARIS, INRAE, IRHS, Angers, France.
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Shi X, Shen H, Wang Y, Yang X, Shi R, Tan W, Ran L. Potential Biocontrol Microorganisms Causing Attenuated Pathogenicity in Plasmopara viticola. PHYTOPATHOLOGY 2024; 114:1226-1236. [PMID: 38205803 DOI: 10.1094/phyto-10-23-0376-r] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2024]
Abstract
A phenomenon of pathogenicity attenuation of Plasmopara viticola was consistently observed during its subculture on grape. To clarify the causes of attenuated pathogenicity of P. viticola, culturable microbes were isolated from the P. viticola mass (mycelia, sporangiophores, and sporangia) in each generation and tested for their biocontrol efficacies on grape downy mildew (GDM). The results showed that the incidence of GDM decreased with the increase in the number of subculture times on both vineyard-collected leaves and grape leaves from in vitro-grown seedlings. The number of culturable microbial taxa on the surface of P. viticola decreased, whereas the population densities of four specific strains (i.e., K2, K7, P1, and P5) increased significantly with the increase in subculture times. Compared with the control, the biocontrol efficacies of the bacterial strain K2 reached 87.5%, and those of both fungal strains P1 and P5 reached 100.0%. Based on morphological characteristics and molecular sequences, strains K2, P1, and P5 were identified as Curtobacterium herbarum, Thecaphora amaranthi, and Acremonium sclerotigenum, respectively, and these three strains survived very well and multiplied on the surface of P. viticola. As the number of times P. viticola was subcultured increased, all three of these strains became the predominant strains, leading to greater P. viticola inhibition, attenuated P. viticola pathogenicity, and effective GDM biological control. To the best of our knowledge, this is the first report of C. herbarum and T. amaranthi having biological control activity against GDM.
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Affiliation(s)
- Xiaomeng Shi
- College of Forestry, Hebei Agricultural University, Baoding 071000, China
- Key Laboratory of Forest Germplasm Resources and Forest Protection in Hebei Province, Baoding 071000, China
| | - Hongmiao Shen
- Center for Evaluation and Faculty Development, Hebei University of Economics and Business, Shijiazhuang 050061, China
| | - Yacong Wang
- College of Forestry, Hebei Agricultural University, Baoding 071000, China
| | - Xue Yang
- College of Forestry, Hebei Agricultural University, Baoding 071000, China
| | - Ruolin Shi
- College of Forestry, Hebei Agricultural University, Baoding 071000, China
| | - Wanzhong Tan
- College of Biotechnology and Engineering, West Yunnan University, Lincang 677000, China
| | - Longxian Ran
- College of Forestry, Hebei Agricultural University, Baoding 071000, China
- Key Laboratory of Forest Germplasm Resources and Forest Protection in Hebei Province, Baoding 071000, China
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Gouveia C, Santos RB, Paiva-Silva C, Buchholz G, Malhó R, Figueiredo A. The pathogenicity of Plasmopara viticola: a review of evolutionary dynamics, infection strategies and effector molecules. BMC PLANT BIOLOGY 2024; 24:327. [PMID: 38658826 PMCID: PMC11040782 DOI: 10.1186/s12870-024-05037-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Accepted: 04/17/2024] [Indexed: 04/26/2024]
Abstract
Oomycetes are filamentous organisms that resemble fungi in terms of morphology and life cycle, primarily due to convergent evolution. The success of pathogenic oomycetes lies in their ability to adapt and overcome host resistance, occasionally transitioning to new hosts. During plant infection, these organisms secrete effector proteins and other compounds during plant infection, as a molecular arsenal that contributes to their pathogenic success. Genomic sequencing, transcriptomic analysis, and proteomic studies have revealed highly diverse effector repertoires among different oomycete pathogens, highlighting their adaptability and evolution potential.The obligate biotrophic oomycete Plasmopara viticola affects grapevine plants (Vitis vinifera L.) causing the downy mildew disease, with significant economic impact. This disease is devastating in Europe, leading to substantial production losses. Even though Plasmopara viticola is a well-known pathogen, to date there are scarce reviews summarising pathogenicity, virulence, the genetics and molecular mechanisms of interaction with grapevine.This review aims to explore the current knowledge of the infection strategy, lifecycle, effector molecules, and pathogenicity of Plasmopara viticola. The recent sequencing of the Plasmopara viticola genome has provided new insights into understanding the infection strategies employed by this pathogen. Additionally, we will highlight the contributions of omics technologies in unravelling the ongoing evolution of this oomycete, including the first in-plant proteome analysis of the pathogen.
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Affiliation(s)
- Catarina Gouveia
- Biosystems and Integrative Sciences Institute (BioISI), Faculty of Science, University of Lisbon, Lisboa, Portugal
| | - Rita B Santos
- Biosystems and Integrative Sciences Institute (BioISI), Faculty of Science, University of Lisbon, Lisboa, Portugal
| | - Catarina Paiva-Silva
- Biosystems and Integrative Sciences Institute (BioISI), Faculty of Science, University of Lisbon, Lisboa, Portugal
| | - Günther Buchholz
- RLP AgroScience/AlPlanta-Institute for Plant Research, Neustadt an Der Weinstrasse, Germany
| | - Rui Malhó
- Biosystems and Integrative Sciences Institute (BioISI), Faculty of Science, University of Lisbon, Lisboa, Portugal
| | - Andreia Figueiredo
- Biosystems and Integrative Sciences Institute (BioISI), Faculty of Science, University of Lisbon, Lisboa, Portugal.
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Ricciardi V, Crespan M, Maddalena G, Migliaro D, Brancadoro L, Maghradze D, Failla O, Toffolatti SL, De Lorenzis G. Novel loci associated with resistance to downy and powdery mildew in grapevine. FRONTIERS IN PLANT SCIENCE 2024; 15:1386225. [PMID: 38584944 PMCID: PMC10998452 DOI: 10.3389/fpls.2024.1386225] [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: 02/14/2024] [Accepted: 03/06/2024] [Indexed: 04/09/2024]
Abstract
Among the main challenges in current viticulture, there is the increasing demand for sustainability in the protection from fungal diseases, such as downy mildew (DM) and powdery mildew (PM). Breeding disease-resistant grapevine varieties is a key strategy for better managing fungicide inputs. This study explores the diversity of grapevine germplasm (cultivated and wild) from Caucasus and neighboring areas to identify genotypes resistant to DM and PM, based on 13 Simple Sequence Repeat (SSR) loci and phenotypical (artificial pathogen inoculation) analysis, and to identify loci associated with DM and PM resistance, via Genome-Wide Association Analysis (GWAS) on Single Nucleotide Polymorphism (SNP) profiles. SSR analysis revealed resistant alleles for 16 out of 88 genotypes. Phenotypic data identified seven DM and 31 PM resistant genotypes. GWAS identified two new loci associated with DM resistance, located on chromosome 15 and 16 (designated as Rpv36 and Rpv37), and two with PM resistance, located on chromosome 6 and 17 (designated as Ren14 and Ren15). The four novel loci identified genomic regions rich in genes related to biotic stress response, such as genes involved in pathogen recognition, signal transduction and resistance response. This study highlights potential candidate genes associated with resistance to DM and PM, providing valuable insights for breeding programs for resistant varieties. To optimize their utilization, further functional characterization studies are recommended.
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Affiliation(s)
- Valentina Ricciardi
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
| | - Manna Crespan
- Centro di Ricerca per la Viticoltura e l'Enologia, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria (CREA), Conegliano, Italy
| | - Giuliana Maddalena
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
| | - Daniele Migliaro
- Centro di Ricerca per la Viticoltura e l'Enologia, Consiglio per la ricerca in agricoltura e l'analisi dell'economia agraria (CREA), Conegliano, Italy
| | - Lucio Brancadoro
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
| | - David Maghradze
- Faculty of Viticulture-Winemaking, Caucasus International University, Tbilisi, Georgia
- Faculty of Agricultural Sciences and Biosystems Engineering, Georgian Technical University, Tbilisi, Georgia
| | - Osvaldo Failla
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
| | - Silvia Laura Toffolatti
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
| | - Gabriella De Lorenzis
- Dipartimento di Scienze Agrarie ed Ambientali, Università degli Studi di Milano, Milano, Italy
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10
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Schumacher S, Mertes C, Kaltenbach T, Bleyer G, Fuchs R. A method for phenotypic evaluation of grapevine resistance in relation to phenological development. Sci Rep 2024; 14:915. [PMID: 38195696 PMCID: PMC10776754 DOI: 10.1038/s41598-023-50666-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 12/22/2023] [Indexed: 01/11/2024] Open
Abstract
Fungus-resistant grapevine cultivars, so called PIWIs, are characterized by increased resistance to powdery mildew and downy mildew. However, in order to maintain the durability of resistance in these new grape cultivars, targeted fungicide treatments are recommended. For ideal schedule of these treatments, it is necessary to recognize the most sensitive organs of the grape. This study introduces a method for phenotypic evaluation of Plasmopara viticola resistance in grape clusters under controlled and standardized conditions during phenological development over the entire season. The approach was validated with the traditional cultivar Pinot Noir and the PIWIs Cabernet Cortis (Rpv3.3, Rpv10), Solaris (Rpv3.3, Rpv10) and Souvignier Gris (Rpv3.2). All cultivars were susceptible during the early stages of development up to flowering, and resistance levels increased as phenological development progressed. Cabernet Cortis and Solaris clusters were susceptible until fruit development (BBCH 71-73) when they became almost completely resistant. No differences between Souvignier Gris and Pinot Noir were detected until berries were pea-sized (BBCH 75) when P. viticola resistance of Souvignier Gris clusters increased significantly. Ontogenetic resistance in Pinot Noir was detected at berry touch (BBCH 77-79) and clusters of this cultivar were almost completely resistant at the beginning of ripening (BBCH 81-83). These results indicate that the approach presented is suitable for determining the resistance of grape cultivars at different stages of development. Consequently, in the future, fungicide applications can be adjusted more precisely to the resistance level of a grape cultivar during the growing season.
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Affiliation(s)
- Stefan Schumacher
- Department of Biology, State Institute of Viticulture and Oenology, Merzhauser Str. 119, 79100, Freiburg im Breisgau, Germany
| | - Caroline Mertes
- Department of Biology, State Institute of Viticulture and Oenology, Merzhauser Str. 119, 79100, Freiburg im Breisgau, Germany
| | - Thomas Kaltenbach
- Department of Biology, State Institute of Viticulture and Oenology, Merzhauser Str. 119, 79100, Freiburg im Breisgau, Germany
| | - Gottfried Bleyer
- Department of Biology, State Institute of Viticulture and Oenology, Merzhauser Str. 119, 79100, Freiburg im Breisgau, Germany
| | - René Fuchs
- Department of Biology, State Institute of Viticulture and Oenology, Merzhauser Str. 119, 79100, Freiburg im Breisgau, Germany.
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11
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Huang X, Wang X, Zhou L, Kong F, Liu Y, Wang Z, Zhang H. TaqMan-MGB PCR Method for Rapid Detection of QoI Fungicide Resistance in Chinese Populations of Plasmopara viticola. PLANT DISEASE 2023; 107:3007-3013. [PMID: 36856651 DOI: 10.1094/pdis-12-22-2954-re] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Grape downy mildew caused by Plasmopara viticola is one of the most devastating diseases of grapevine worldwide. Quinone outside inhibitor (QoI) fungicides are commonly used for the control of the pathogen in grape fields across China. However, their recurrent use could lead to the emergence of resistance against these compounds. Based on the most common mutation in resistant isolates, a glycine to alanine substitution at amino acid position 143 (G143A) in the cytochrome b protein, a TaqMan-MGB PCR was developed for the rapid detection of resistance to the QoI fungicide azoxystrobin in P. viticola. Specificity and sensitivity of this method showed it could specifically detect the point mutations linked with QoI resistance in P. viticola, and the detection limit was 0.2 pg. It could also quantify the resistance allele even in isolate mixtures containing as little as 5% QoI-resistant P. viticola strains. With this method, a large P. viticola population (n = 2,373) was screened, and QoI-resistant isolates were identified for the first time in China. The average frequencies of the resistant genotype from eight major-grapevine regions were up to 66%. Taken together, the results not only provide a novel tool for the rapid distinction and quantification of the QoI-resistant allele in P. viticola but also provide important references for fungicide selection and application, which will facilitate resistance management of grape downy mildew and improve grape production systems in Chinese vineyards.
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Affiliation(s)
- Xiaoqing Huang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing, China
| | - Xina Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing, China
| | - Lianzhu Zhou
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing, China
| | - Fanfang Kong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing, China
| | - Yongqiang Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing, China
| | - Zhongyue Wang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing, China
| | - Hao Zhang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agriculture Sciences, Beijing, China
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12
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Fletcher K, Michelmore R. Genome-Enabled Insights into Downy Mildew Biology and Evolution. ANNUAL REVIEW OF PHYTOPATHOLOGY 2023; 61:165-183. [PMID: 37268005 DOI: 10.1146/annurev-phyto-021622-103440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Oomycetes that cause downy mildew diseases are highly specialized, obligately biotrophic phytopathogens that can have major impacts on agriculture and natural ecosystems. Deciphering the genome sequence of these organisms provides foundational tools to study and deploy control strategies against downy mildew pathogens (DMPs). The recent telomere-to-telomere genome assembly of the DMP Peronospora effusa revealed high levels of synteny with distantly related DMPs, higher than expected repeat content, and previously undescribed architectures. This provides a road map for generating similar high-quality genome assemblies for other oomycetes. This review discusses biological insights made using this and other assemblies, including ancestral chromosome architecture, modes of sexual and asexual variation, the occurrence of heterokaryosis, candidate gene identification, functional validation, and population dynamics. We also discuss future avenues of research likely to be fruitful in studies of DMPs and highlight resources necessary for advancing our understanding and ability to forecast and control disease outbreaks.
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Affiliation(s)
- Kyle Fletcher
- The Genome Center, University of California, Davis, California, USA
| | - Richard Michelmore
- The Genome Center, University of California, Davis, California, USA
- Department of Plant Sciences; Department of Molecular and Cellular Biology; Department of Medical Microbiology and Immunology, University of California, Davis, California, USA;
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13
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Bolzonello A, Morbiato L, Tundo S, Sella L, Baccelli I, Echeverrigaray S, Musetti R, De Zotti M, Favaron F. Peptide Analogs of a Trichoderma Peptaibol Effectively Control Downy Mildew in the Vineyard. PLANT DISEASE 2023; 107:2643-2652. [PMID: 36724095 DOI: 10.1094/pdis-09-22-2064-re] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Plasmopara viticola, the agent of grapevine downy mildew, causes enormous economic damage, and its control is primarily based on the use of synthetic fungicides. The European Union policies promote reducing reliance on synthetic plant protection products. Biocontrol agents such as Trichoderma spp. constitute a resource for the development of biopesticides. Trichoderma spp. produce secondary metabolites such as peptaibols, but the poor water solubility of peptaibols limits their practical use as agrochemicals. To identify new potential bio-inspired molecules effective against P. viticola, various water-soluble peptide analogs of the peptaibol trichogin were synthesized. In grapevine leaf disk assays, the peptides analogs at a concentration of 50 μM completely prevented P. viticola infection after zoosporangia inoculation. Microscopic observations of one of the most effective peptides showed that it causes membrane lysis and cytoplasmic granulation in both zoosporangia and zoospores. Among the effective peptides, 4r was selected for a 2-year field trial experiment. In the vineyard, the peptide administered at 100 μM (equivalent to 129.3 g/ha) significantly reduced the disease incidence and severity on both leaves and bunches, with protection levels similar to those obtained using a cupric fungicide. In the second-year field trial, reduced dosages of the peptide were also tested, and even at the peptide concentration reduced by 50 or 75%, a significant decrease in the disease incidence and severity was obtained at the end of the trial. The peptide did not show any phytotoxic effect. Previously, peptide 4r had been demonstrated to be active against other fungal pathogens, including the grapevine fungus Botrytis cinerea. Thus, this peptide may be a candidate for a broad-spectrum fungicide whose biological properties deserve further investigation.
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Affiliation(s)
- Angela Bolzonello
- Department of Land, Environment, Agriculture, and Forestry (TESAF), University of Padova, Legnaro I-35020, Italy
| | - Laura Morbiato
- Department of Chemistry, University of Padova, Padova I-35131, Italy
| | - Silvio Tundo
- Department of Land, Environment, Agriculture, and Forestry (TESAF), University of Padova, Legnaro I-35020, Italy
| | - Luca Sella
- Department of Land, Environment, Agriculture, and Forestry (TESAF), University of Padova, Legnaro I-35020, Italy
| | - Ivan Baccelli
- Institute for Sustainable Plant Protection, National Research Council of Italy, Sesto Fiorentino I-50019, Italy
| | - Sergio Echeverrigaray
- Institute of Biotechnology, University of Caxias do Sul, Caxias do Sul, RS 95070-560, Brazil
| | - Rita Musetti
- Department of Land, Environment, Agriculture, and Forestry (TESAF), University of Padova, Legnaro I-35020, Italy
| | - Marta De Zotti
- Department of Chemistry, University of Padova, Padova I-35131, Italy
| | - Francesco Favaron
- Department of Land, Environment, Agriculture, and Forestry (TESAF), University of Padova, Legnaro I-35020, Italy
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14
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Hui W, Shuyi Y, Wei Z, Junbo P, Haiyun T, Chunhao L, Jiye Y. Modeling the dynamic changes in Plasmopara viticola sporangia concentration based on LSTM and understanding the impact of relative factor variability. INTERNATIONAL JOURNAL OF BIOMETEOROLOGY 2023:10.1007/s00484-022-02419-7. [PMID: 37249672 DOI: 10.1007/s00484-022-02419-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 12/09/2022] [Accepted: 12/19/2022] [Indexed: 05/31/2023]
Abstract
Reliable disease management can guarantee healthy plant production and relies on the knowledge of pathogen prevalence. Modeling the dynamic changes in spore concentration is available for realizing this purpose. We present a novel model based on a time-series modeling machine learning method, i.e., a long short-term memory (LSTM) network, to analyze oomycete Plasmopara viticola sporangia concentration dynamics using data from a 4-year field experiment trial in North China. Principal component analysis (PCA)-based high-quality input screening and simulation result calibration were performed to ensure model performance, obtaining a high determination coefficient (0.99), a low root mean square error (0.87), and a low mean bias error (0.55), high sensitivity (91.5%), and high specificity (96.5%). The impact of the variability of relative factors on daily P. viticola sporangia concentrations was analyzed, confirming that a low daily mean air temperature restricts pathogen development even during a long period of high humidity in the field.
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Affiliation(s)
- Wang Hui
- Beijing Key Laboratory of Environment Friendly Management On Fruit Diseases and Pests in North China, Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Yu Shuyi
- Institute of Plant Protection, Liaoning Academy of Agriculture Sciences, Shenyang, China
| | - Zhang Wei
- Beijing Key Laboratory of Environment Friendly Management On Fruit Diseases and Pests in North China, Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Peng Junbo
- Beijing Key Laboratory of Environment Friendly Management On Fruit Diseases and Pests in North China, Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Tan Haiyun
- Beijing Key Laboratory of Environment Friendly Management On Fruit Diseases and Pests in North China, Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China
| | - Liang Chunhao
- Institute of Plant Protection, Liaoning Academy of Agriculture Sciences, Shenyang, China.
| | - Yan Jiye
- Beijing Key Laboratory of Environment Friendly Management On Fruit Diseases and Pests in North China, Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Sciences, Beijing, China.
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15
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Bellucci E, Benazzo A, Xu C, Bitocchi E, Rodriguez M, Alseekh S, Di Vittori V, Gioia T, Neumann K, Cortinovis G, Frascarelli G, Murube E, Trucchi E, Nanni L, Ariani A, Logozzo G, Shin JH, Liu C, Jiang L, Ferreira JJ, Campa A, Attene G, Morrell PL, Bertorelle G, Graner A, Gepts P, Fernie AR, Jackson SA, Papa R. Selection and adaptive introgression guided the complex evolutionary history of the European common bean. Nat Commun 2023; 14:1908. [PMID: 37019898 PMCID: PMC10076260 DOI: 10.1038/s41467-023-37332-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2022] [Accepted: 03/14/2023] [Indexed: 04/07/2023] Open
Abstract
Domesticated crops have been disseminated by humans over vast geographic areas. Common bean (Phaseolus vulgaris L.) was introduced in Europe after 1492. Here, by combining whole-genome profiling, metabolic fingerprinting and phenotypic characterisation, we show that the first common bean cultigens successfully introduced into Europe were of Andean origin, after Francisco Pizarro's expedition to northern Peru in 1529. We reveal that hybridisation, selection and recombination have shaped the genomic diversity of the European common bean in parallel with political constraints. There is clear evidence of adaptive introgression into the Mesoamerican-derived European genotypes, with 44 Andean introgressed genomic segments shared by more than 90% of European accessions and distributed across all chromosomes except PvChr11. Genomic scans for signatures of selection highlight the role of genes relevant to flowering and environmental adaptation, suggesting that introgression has been crucial for the dissemination of this tropical crop to the temperate regions of Europe.
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Affiliation(s)
- Elisa Bellucci
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, 60131, Ancona, Italy
| | - Andrea Benazzo
- Department of Life Sciences and Biotechnology, University of Ferrara, 44121, Ferrara, Italy
| | - Chunming Xu
- Center for Applied Genetic Technologies, University of Georgia, 30602, Athens, GA, USA
| | - Elena Bitocchi
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, 60131, Ancona, Italy
| | - Monica Rodriguez
- Department of Agriculture, University of Sassari, 07100, Sassari, Italy
- Centro per la Conservazione e Valorizzazione della Biodiversità Vegetale-CBV, Università degli Studi di Sassari, 07041, Alghero, Italy
| | - Saleh Alseekh
- Max Planck Institute of Molecular Plant Physiology (MPI-MP), 14476, Potsdam-Golm, Germany
- Center for Plant Systems Biology and Plant Biotechnology, 4000, Plovdiv, Bulgaria
| | - Valerio Di Vittori
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, 60131, Ancona, Italy
- Max Planck Institute of Molecular Plant Physiology (MPI-MP), 14476, Potsdam-Golm, Germany
| | - Tania Gioia
- School of Agricultural, Forestry, Food and Environmental Sciences, University of Basilicata, 85100, Potenza, Italy
| | - Kerstin Neumann
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), 06466, Seeland, Germany
| | - Gaia Cortinovis
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, 60131, Ancona, Italy
| | - Giulia Frascarelli
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, 60131, Ancona, Italy
| | - Ester Murube
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, 60131, Ancona, Italy
| | - Emiliano Trucchi
- Department of Life Sciences and Biotechnology, University of Ferrara, 44121, Ferrara, Italy
- Department of Life and Environmental Sciences, Marche Polytechnic University, 60131, Ancona, Italy
| | - Laura Nanni
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, 60131, Ancona, Italy
| | - Andrea Ariani
- Department of Plant Sciences, University of California, 95616-8780, Davis, CA, USA
| | - Giuseppina Logozzo
- School of Agricultural, Forestry, Food and Environmental Sciences, University of Basilicata, 85100, Potenza, Italy
| | - Jin Hee Shin
- Center for Applied Genetic Technologies, University of Georgia, 30602, Athens, GA, USA
| | - Chaochih Liu
- Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, MN, 55108-6026, USA
| | - Liang Jiang
- Max Planck Institute of Molecular Plant Physiology (MPI-MP), 14476, Potsdam-Golm, Germany
| | - Juan José Ferreira
- Regional Agrifood Research and Development Service (SERIDA), 33310, Villaviciosa, Asturias, Spain
| | - Ana Campa
- Regional Agrifood Research and Development Service (SERIDA), 33310, Villaviciosa, Asturias, Spain
| | - Giovanna Attene
- Department of Agriculture, University of Sassari, 07100, Sassari, Italy
- Centro per la Conservazione e Valorizzazione della Biodiversità Vegetale-CBV, Università degli Studi di Sassari, 07041, Alghero, Italy
| | - Peter L Morrell
- Department of Agronomy and Plant Genetics, University of Minnesota, St. Paul, MN, 55108-6026, USA
| | - Giorgio Bertorelle
- Department of Life Sciences and Biotechnology, University of Ferrara, 44121, Ferrara, Italy
| | - Andreas Graner
- Leibniz Institute of Plant Genetics and Crop Plant Research (IPK), 06466, Seeland, Germany
| | - Paul Gepts
- Department of Plant Sciences, University of California, 95616-8780, Davis, CA, USA
| | - Alisdair R Fernie
- Max Planck Institute of Molecular Plant Physiology (MPI-MP), 14476, Potsdam-Golm, Germany
- Center for Plant Systems Biology and Plant Biotechnology, 4000, Plovdiv, Bulgaria
| | - Scott A Jackson
- Center for Applied Genetic Technologies, University of Georgia, 30602, Athens, GA, USA
| | - Roberto Papa
- Department of Agricultural, Food and Environmental Sciences, Marche Polytechnic University, 60131, Ancona, Italy.
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16
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Kőrösi L, Molnár S, Teszlák P, Dörnyei Á, Maul E, Töpfer R, Marosvölgyi T, Szabó É, Röckel F. Comparative Study on Grape Berry Anthocyanins of Various Teinturier Varieties. Foods 2022; 11:foods11223668. [PMID: 36429259 PMCID: PMC9689461 DOI: 10.3390/foods11223668] [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: 10/18/2022] [Revised: 11/11/2022] [Accepted: 11/14/2022] [Indexed: 11/19/2022] Open
Abstract
The red-fleshed grape cultivars, called teinturier or dyer grapes, contain anthocyanins in both the skin and flesh. These phenolic compounds exhibit excellent coloring ability, and as antioxidants, they are important bioactive compounds in food crops. In this work, anthocyanin patterns of grape berries of fifteen teinturier varieties collected from the gene bank located at Pécs in the southwest of Hungary were compared. Anthocyanin profiles of numerous varieties originating from Hungary such as 'Bíborkadarka', 'Kármin', 'Kurucvér', and 'Turán' are reported for the first time. Anthocyanins extracted separately from the skin and juice were analyzed using high-performance liquid chromatography coupled with a photodiode array detector. For the identification of compounds, high-resolution orbitrap mass spectrometry was used. All in all, twenty-one anthocyanins were identified and quantified. We found that anthocyanin patterns differed significantly in the skin and juice for all investigated cultivars. For Vitis vinifera varieties, the predominant anthocyanin in the skin was malvidin-3-O-glucoside, while the main pigment in the juice was peonidin-3-O-glucoside. For the first time, a significant amount of diglucosides was detected in two Vitis Vinifera cultivars with a direct relationship. In general, the pigment composition of the skin was much more complex than that of the juice. The comparative study with presented patterns gives valuable and beneficial information from a chemotaxonomical point of view. Our results also help to choose the appropriate teinturier varieties with the desired anthocyanins for food coloring or winemaking purposes.
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Affiliation(s)
- László Kőrösi
- Research Institute for Viticulture and Oenology, University of Pécs, 7634 Pécs, Hungary
- Correspondence:
| | - Szilárd Molnár
- Research Institute for Viticulture and Oenology, University of Pécs, 7634 Pécs, Hungary
| | - Péter Teszlák
- Research Institute for Viticulture and Oenology, University of Pécs, 7634 Pécs, Hungary
| | - Ágnes Dörnyei
- Department of Analytical and Environmental Chemistry, Faculty of Sciences, University of Pécs, 7624 Pécs, Hungary
| | - Erika Maul
- Julius Kühn Institute (JKI)—Federal Research Centre for Cultivated Plants, Institute for Grapevine Breeding Geilweilerhof, 76833 Siebeldingen, Germany
| | - Reinhard Töpfer
- Julius Kühn Institute (JKI)—Federal Research Centre for Cultivated Plants, Institute for Grapevine Breeding Geilweilerhof, 76833 Siebeldingen, Germany
| | - Tamás Marosvölgyi
- Institute of Bioanalysis, Medical School, University of Pécs, 7624 Pécs, Hungary
| | - Éva Szabó
- Department of Biochemistry and Medical Chemistry, Medical School, University of Pécs, 7624 Pécs, Hungary
| | - Franco Röckel
- Julius Kühn Institute (JKI)—Federal Research Centre for Cultivated Plants, Institute for Grapevine Breeding Geilweilerhof, 76833 Siebeldingen, Germany
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17
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Mouafo-Tchinda RA, Fall ML, Beaulieu C, Carisse O. Competition Between Plasmopara viticola Clade riparia and Clade aestivalis: A Race to Lead Grape Downy Mildew Epidemics. PLANT DISEASE 2022; 106:2866-2875. [PMID: 35536207 DOI: 10.1094/pdis-11-21-2465-re] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
There is evidence of five clades of Plasmopara viticola in the world. Only two clades, riparia and aestivalis, have been identified as responsible for downy mildew epidemics in Quebec, Canada. It was reported in 2021 that epidemics caused by clade riparia start 2 or 3 weeks before those caused by clade aestivalis and that clade aestivalis was more aggressive than clade riparia. The objective of this work was to study the competition between P. viticola clade riparia (A) and clade aestivalis (B) and to compare the aggressiveness of both clades in mono- and coinfection situations. Suspensions of sporangia from both clades with six percentage combinations (AB 100-0; AB 89-11; AB 74-26; AB 46-54; AB 23-77; and AB 0-100) were inoculated on leaf discs (cultivar Vidal), and three other combinations (AB 88-12; AB 68-32; and AB 47-53) were inoculated on living leaves of grape plants (cultivar Vidal). Then, sporangium production, expressed as the percentage of sporangia produced by each clade, was estimated on leaf discs after eight cycles of infection-sporulation and then validated on living grape leaves after five cycles. The aggressiveness of clades in monoinfection situations on leaf discs was compared with that in coinfection situations. The results show that the percentage of sporangia produced by clade aestivalis increases with the infection-sporulation cycle while that produced by clade riparia decreases. The area under the sporangium production progress curve (AUSPPC) of clade aestivalis was significantly higher than that of clade riparia. The aggressiveness of P. viticola clades riparia and aestivalis in coinfection situations was different from that in monoinfection situations and was strongly influenced by the percentage of each clade in competition. These results suggest that, on the grapevine cultivar Vidal, P. viticola clade aestivalis is more competitive than clade riparia and that the percentage of each clade present in the vineyard should be considered for management of downy mildew.[Formula: see text] Copyright © 2022 The Author(s). This is an open access article distributed under the CC BY 4.0 International license.
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Affiliation(s)
- Romaric A Mouafo-Tchinda
- Centre SÈVE, Département de Biologie, Université de Sherbrooke, 2500 de l'Université Boulevard, Sherbrooke, QC, J1K 2R1, Canada
- Saint-Jean-sur-Richelieu Research and Development Centre, Agriculture and Agri-Food Canada, 430 Gouin Boulevard, Saint-Jean-sur-Richelieu, QC, J3B 3E6, Canada
| | - Mamadou L Fall
- Saint-Jean-sur-Richelieu Research and Development Centre, Agriculture and Agri-Food Canada, 430 Gouin Boulevard, Saint-Jean-sur-Richelieu, QC, J3B 3E6, Canada
| | - Carole Beaulieu
- Centre SÈVE, Département de Biologie, Université de Sherbrooke, 2500 de l'Université Boulevard, Sherbrooke, QC, J1K 2R1, Canada
| | - Odile Carisse
- Saint-Jean-sur-Richelieu Research and Development Centre, Agriculture and Agri-Food Canada, 430 Gouin Boulevard, Saint-Jean-sur-Richelieu, QC, J3B 3E6, Canada
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18
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Paineau M, Mazet ID, Wiedemann-Merdinoglu S, Fabre F, Delmotte F. The Characterization of Pathotypes in Grapevine Downy Mildew Provides Insights into the Breakdown of Rpv3, Rpv10, and Rpv12 Factors in Grapevines. PHYTOPATHOLOGY 2022; 112:2329-2340. [PMID: 35657702 DOI: 10.1094/phyto-11-21-0458-r] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
We describe a standard method for characterizing the virulence profile of Plasmopara viticola, the causal agent of grapevine downy mildew. We used 33 European strains to inoculate six grapevine varieties carrying the principal factors for resistance to downy mildew (Rpv1, Rpv3.1, Rpv3.2, Rpv5, Rpv6, Rpv10, and Rpv12) and the susceptible Vitis vinifera 'Chardonnay'. For each interaction, we characterized the level of sporulation by image analysis and the intensity of the grapevine hypersensitive response by visual score. We propose a definition for the breakdown of grapevine quantitative resistances combining these two traits. Among the 33 strains analyzed, 28 are virulent on at least one resistance factor. We identified five different pathotypes across the 33 strains analyzed: two pathotypes overcoming a single resistance factor (vir3.1 and vir3.2) and three complex pathotypes overcoming multiple resistance factors (vir3.1,3.2; vir3.2,12; vir3.1,3.2,10). Our findings confirm the widespread occurrence of P. viticola strains overcoming the Rpv3 haplotypes (28 strains). We also detected the first breakdown of resistance to the Rpv10 by a strain from Germany and the breakdown of Rpv12 factors by a strain from Hungary. The pathotyping method proposed here and the associated differential host range lay the groundwork for the early detection of resistance breakdown in grapevines. This approach will also facilitate the monitoring of the evolution of P. viticola populations at large spatial scales. This is an essential step forward to promoting durable management of the resistant grapevine varieties currently available.
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Affiliation(s)
- Manon Paineau
- INRAE, Bordeaux Sciences Agro, SAVE, ISVV, Villenave d'Ornon, F-33140, France
| | - Isabelle D Mazet
- INRAE, Bordeaux Sciences Agro, SAVE, ISVV, Villenave d'Ornon, F-33140, France
| | | | - Frédéric Fabre
- INRAE, Bordeaux Sciences Agro, SAVE, ISVV, Villenave d'Ornon, F-33140, France
| | - François Delmotte
- INRAE, Bordeaux Sciences Agro, SAVE, ISVV, Villenave d'Ornon, F-33140, France
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Busato I, Bertaiola O, Tundo S, Guarnerio C, Lucchetta M, Sella L, Pressi G, Favaron F. A Phytocomplex Obtained from Salvia officinalis by Cell Culture Technology Effectively Controls the Grapevine Downy Mildew Pathogen Plasmopara viticola. PLANTS (BASEL, SWITZERLAND) 2022; 11:2675. [PMID: 36297699 PMCID: PMC9606852 DOI: 10.3390/plants11202675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 09/26/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
The negative impact of using conventional fungicides in plant disease protection has increased the interest in safer alternatives such as plant secondary metabolites, generally having a better toxicological profile. However, cultivation conditions and plant material strongly affect the quality and quantity of secondary metabolites obtained from field grown plants, limiting the standardization needed for industrial production. Plant cell culture technology can provide highly homogeneous biomasses with specific chemical characteristics. A phytocomplex with high rosmarinic acid content (10.12% w/w) was obtained from a selected cell line of Salvia officinalis and was tested against the grapevine downy mildew pathogen, Plasmopara viticola. Grapevine leaf discs were sprayed with the phytocomplex at 5 g/L and then inoculated with P. viticola sporangia. Sporulation level on each disc was assessed after 7 days with an image processing software. The phytocomplex reduced by 95% the sporulation level compared to the control and was also more effective than rosmarinic acid alone, used at the same concentration found in the phytocomplex. Persistence of the phytocomplex was also assessed: when applied 5 days before inoculation, it reduced by 90% the sporulation level compared to the control. These results highlight the possibility to take advantage of cell culture techniques to produce safer pesticides with high quality standards.
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Affiliation(s)
- Isabella Busato
- Department of Land, Environment, Agriculture and Forestry, University of Padova, I-35020 Legnaro, Italy
| | | | - Silvio Tundo
- Department of Land, Environment, Agriculture and Forestry, University of Padova, I-35020 Legnaro, Italy
| | | | | | - Luca Sella
- Department of Land, Environment, Agriculture and Forestry, University of Padova, I-35020 Legnaro, Italy
| | | | - Francesco Favaron
- Department of Land, Environment, Agriculture and Forestry, University of Padova, I-35020 Legnaro, Italy
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20
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Marone Fassolo E, Lecchi B, Marcianò D, Maddalena G, Toffolatti SL. Pathogen Adaptation to American ( Rpv3-1) and Eurasian ( Rpv29) Grapevine Loci Conferring Resistance to Downy Mildew. PLANTS (BASEL, SWITZERLAND) 2022; 11:2619. [PMID: 36235481 PMCID: PMC9571346 DOI: 10.3390/plants11192619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/22/2022] [Accepted: 09/30/2022] [Indexed: 06/16/2023]
Abstract
Durable resistance is a key objective in genetic improvement for disease resistance in grapevines, which must survive for years in the field in the presence of adaptable pathogen populations. In this study, the adaptation of 72 Northern Italian isolates of Plasmopara viticola, the downy mildew agent, has been investigated into Bianca, possessing Rpv3-1, the most frequently exploited resistance locus for genetic improvement, and Mgaloblishvili, a Vitis vinifera variety possessing the newly discovered Rpv29 locus. Infection parameters (latency period, infection frequency, and disease severity) and oospore production and viability were evaluated and compared to those of Pinot noir, the susceptible reference. The expected levels of disease control were achieved by both resistant cultivars (>90% on Bianca; >25% on Mgaloblishvili), despite the high frequency of isolates able to grow on one (28%) or both (46%) accessions. The disease incidence and severity were limited by both resistant cultivars and the strains able to grow on resistant accessions showed signatures of fitness penalties (reduced virulence, infection frequency, and oospore density). Together, these results indicate an adequate pathogen control but suitable practices must be adopted in the field to prevent the diffusion of the partially adapted P. viticola strains to protect resistance genes from erosion.
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21
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Possamai T, Wiedemann-Merdinoglu S. Phenotyping for QTL identification: A case study of resistance to Plasmopara viticola and Erysiphe necator in grapevine. FRONTIERS IN PLANT SCIENCE 2022; 13:930954. [PMID: 36035702 PMCID: PMC9403010 DOI: 10.3389/fpls.2022.930954] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 06/27/2022] [Indexed: 06/01/2023]
Abstract
Vitis vinifera is the most widely cultivated grapevine species. It is highly susceptible to Plasmopara viticola and Erysiphe necator, the causal agents of downy mildew (DM) and powdery mildew (PM), respectively. Current strategies to control DM and PM mainly rely on agrochemical applications that are potentially harmful to humans and the environment. Breeding for resistance to DM and PM in wine grape cultivars by introgressing resistance loci from wild Vitis spp. is a complementary and more sustainable solution to manage these two diseases. During the last two decades, 33 loci of resistance to P. viticola (Rpv) and 15 loci of resistance to E. necator (Ren and Run) have been identified. Phenotyping is salient for QTL characterization and understanding the genetic basis of resistant traits. However, phenotyping remains a major bottleneck for research on Rpv and Ren/Run loci and disease resistance evaluation. A thorough analysis of the literature on phenotyping methods used for DM and PM resistance evaluation highlighted phenotyping performed in the vineyard, greenhouse or laboratory with major sources of variation, such as environmental conditions, plant material (organ physiology and age), pathogen inoculum (genetic and origin), pathogen inoculation (natural or controlled), and disease assessment method (date, frequency, and method of scoring). All these factors affect resistance assessment and the quality of phenotyping data. We argue that the use of new technologies for disease symptom assessment, and the production and adoption of standardized experimental guidelines should enhance the accuracy and reliability of phenotyping data. This should contribute to a better replicability of resistance evaluation outputs, facilitate QTL identification, and contribute to streamline disease resistance breeding programs.
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Affiliation(s)
- Tyrone Possamai
- CREA—Research Centre for Viticulture and Enology, Conegliano, Italy
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22
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Tsykun T, Prospero S, Schoebel CN, Rea A, Burgess TI. Global invasion history of the emerging plant pathogen Phytophthora multivora. BMC Genomics 2022; 23:153. [PMID: 35193502 PMCID: PMC8862219 DOI: 10.1186/s12864-022-08363-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Accepted: 02/03/2022] [Indexed: 12/01/2022] Open
Abstract
BACKGROUND global trade in living plants and plant material has significantly increased the geographic distribution of many plant pathogens. As a consequence, several pathogens have been first found and described in their introduced range where they may cause severe damage on naïve host species. Knowing the center of origin and the pathways of spread of a pathogen is of importance for several reasons, including identifying natural enemies and reducing further spread. Several Phytophthora species are well-known invasive pathogens of natural ecosystems, including Phytophthora multivora. Following the description of P. multivora from dying native vegetation in Australia in 2009, the species was subsequently found to be common in South Africa where it does not cause any remarkable disease. There are now reports of P. multivora from many other countries worldwide, but not as a commonly encountered species in natural environments. RESULTS a global collection of 335 isolates from North America, Europe, Africa, Australia, the Canary Islands, and New Zealand was used to unravel the worldwide invasion history of P. multivora, using 10 microsatellite markers for all isolates and sequence data from five loci from 94 representative isolates. Our population genetic analysis revealed an extremely low heterozygosity, significant non-random association of loci and substantial genotypic diversity suggesting the spread of P. multivora readily by both asexual and sexual propagules. The P. multivora populations in South Africa, Australia, and New Zealand show the most complex genetic structure, are well established and evolutionary older than those in Europe, North America and the Canary Islands. CONCLUSIONS according to the conducted analyses, the world invasion of P. multivora most likely commenced from South Africa, which can be considered the center of origin of the species. The pathogen was then introduced to Australia, which acted as bridgehead population for Europe and North America. Our study highlights a complex global invasion pattern of P. multivora, including both direct introductions from the native population and secondary spread/introductions from bridgehead populations.
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Affiliation(s)
- Tetyana Tsykun
- Diversity and Evolution, Department Ecology and Evolution, Goethe-University Frankfurt am Main, Institute of Ecology, Max-von-Laue Str. 13, DE-60438, Frankfurt am Main, Germany.
- Senckenberg Biodiversity and Climate Research Centre SBiK-F, Georg-Voigt Str. 14-16, DE-60325, Frankfurt am Main, Germany.
- Swiss Federal Research Institute WSL, Zürcherstrasse 111, CH-8903, Birmensdorf, Switzerland.
| | - Simone Prospero
- Swiss Federal Research Institute WSL, Zürcherstrasse 111, CH-8903, Birmensdorf, Switzerland
| | - Corine N Schoebel
- Swiss Federal Research Institute WSL, Zürcherstrasse 111, CH-8903, Birmensdorf, Switzerland
| | - Alexander Rea
- Department of Diagnostic Genomics, PathWest Laboratory Medicine Western Australia, Nedlands, Western Australia, Australia
- Phytophthora Science and Management, Harry Butler Institute, Murdoch, Perth, Australia
| | - Treena I Burgess
- Phytophthora Science and Management, Harry Butler Institute, Murdoch, Perth, Australia
- Forestry and Agriculture Biotechnology Institute, University of Pretoria, Pretoria, 0002, South Africa
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23
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Marine C, Emira C, Amélie C, Bruno B, Martine C, Georges C, Céline C, Jean-Michel F, Barbara G, Zachary G, Jérôme G, Benjamin H, Manon L, Fabrice M, Ivan M, Delphine N, Nicolas P, Jean-François M, André G, Elie GR. Towards unravelling the Rosette agent enigma: Spread and emergence of the co-invasive host-pathogen complex, Pseudorasbora parva-Sphaerothecum destruens. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:150427. [PMID: 34600207 DOI: 10.1016/j.scitotenv.2021.150427] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 06/13/2023]
Abstract
The emergence of non-native fungal pathogens is a growing threat to global health, biodiversity, conservation biology, food security and the global economy. Moreover, a thorough understanding of the spread and emergence of pathogens among invasive and native host populations, as well as genetic analysis of the structure of co-invasive host populations, is crucial in terms of conservation biology and management strategies. Here we combined extensive catchment sampling, molecular detection tools and genomic signatures to i) assess the prevalence of the rosette agent Sphaerothecum destruens in invasive and native fish populations in contrasting french regions, and ii) characterize the genetic diversity and population structure of its co-invasive and asymptomatic carrier Pseudorasbora parva. Although S. destruens was not detected in all the fish collected its presence in contrasting freshwater ecosystems suggests that the disease may already be widespread in France. Furthermore, our results show that the detection of S. destruens DNA in its asymptomatic carrier P. parva is still limited. Finally, we found that P. parva populations show a homogeneous genetic and geographical structuring, which raises the possibility of the occurrence of successive introduction events in France from their native and invasive range.
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Affiliation(s)
- Combe Marine
- ISEM UMR226, Université de Montpellier, CNRS, IRD, EPHE, 34090 Montpellier, France.
| | - Cherif Emira
- ISEM UMR226, Université de Montpellier, CNRS, IRD, EPHE, 34090 Montpellier, France.
| | - Charrier Amélie
- Laboratoires des Pyrénées et des Landes, 1 rue Marcel David, BP 219, 40004 Mont-de-Marsan, France
| | - Barbey Bruno
- Fédération de l'Indre pour la Pêche et la Protection du Milieu Aquatique, FDAAPMA 36, 19 rue des Etats-Unis 36000, Châteauroux, France
| | - Chague Martine
- Laboratoires des Pyrénées et des Landes, 1 rue Marcel David, BP 219, 40004 Mont-de-Marsan, France
| | - Carrel Georges
- INRAE, Centre PACA, UMR RECOVER, F-13182 Aix-en-Provence, France
| | - Chasserieau Céline
- Fédération de Haute-Savoie pour la Pêche et la Protection du Milieu Aquatique, 2092 route des Diacquenods, Saint Martin Bellevue, 74370 Fillière, France
| | - Foissy Jean-Michel
- DIR OFB Paca Corse Domaine du Petit Arbois Pavillon Laënnec - Hall B, Avenue Louis Philibert,13547 Aix-en-Provence, France
| | - Gerard Barbara
- Fédération de Loire-Atlantique pour la Pêche et la Protection du Milieu Aquatique, France
| | - Gozlan Zachary
- Lycée Joffre, 31 rue André Chénier, 34130 Mauguio, France
| | - Guillouët Jérôme
- Fédération Nationale de la Pêche en France et de la Protection du Milieu Aquatique 108-110 rue Saint-Maur, 75011 Paris, France
| | - Hérodet Benjamin
- Fédération de l'Ain pour la Pêche et la Protection du Milieu Aquatique, 638 rue du Revermont, ZAC de la Cambuse, 01440 Viriat, France
| | - Laine Manon
- Fédération de la Pêche et de Protection du Milieu Aquatique de la Gironde, 10 ZA du Lapin, 33750 Beychac-et-Caillau, France
| | - Masseboeuf Fabrice
- Fédération des Pyrénées-Atlantiques pour la Pêche et la Protection du Milieu Aquatique, 12 boulevard Hauterive, 64000 Pau, France
| | - Mirkovic Ivan
- Fédération de Seine-Maritime pour la Pêche et la Protection du Milieu Aquatique, 11 cours Clemenceau, 76100 Rouen, France
| | - Nicolas Delphine
- Tour du Valat, Research Institute for the Conservation of Mediterranean Wetlands, Le Sambuc, 13200 Arles, France
| | - Poulet Nicolas
- Office Français de la Biodiversité, Allée du Pr Camille Soula, 31400 Toulouse, France
| | - Martin Jean-François
- CBGP, Montpellier SupAgro, INRA, CIRAD, IRD, Univ Montpellier, Montpellier, France
| | - Gilles André
- UMR 1467 RECOVER, Aix Marseille Univ, INRAE, Centre St Charles, 3 place Victor Hugo, 13331, Marseille, France
| | - Gozlan Rodolphe Elie
- ISEM UMR226, Université de Montpellier, CNRS, IRD, EPHE, 34090 Montpellier, France.
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24
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Marone Fassolo E, Maddalena G, Toffolatti S. Screening for adaptation to resistant grapevine accessions in Plasmopara viticola population of north-eastern Italy. BIO WEB OF CONFERENCES 2022. [DOI: 10.1051/bioconf/20225002007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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25
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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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26
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Delmotte F, Paineau M, Mazet ID, Delière L, Fabre F, Dussert Y. Identifying the genetic architecture of Plamopara viticola traits of interest by genome-wide association studies: case study of mating-type locus and effectors genes involved in the breakdown of grapevine Rpv3 resistance. BIO WEB OF CONFERENCES 2022. [DOI: 10.1051/bioconf/20225002004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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27
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North HL, McGaughran A, Jiggins CD. Insights into invasive species from whole-genome resequencing. Mol Ecol 2021; 30:6289-6308. [PMID: 34041794 DOI: 10.1111/mec.15999] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 03/12/2021] [Accepted: 04/30/2021] [Indexed: 12/12/2022]
Abstract
Studies of invasive species can simultaneously inform management strategies and quantify rapid evolution in the wild. The role of genomics in invasion science is increasingly recognised, and the growing availability of reference genomes for invasive species is paving the way for whole-genome resequencing studies in a wide range of systems. Here, we survey the literature to assess the application of whole-genome resequencing data in invasion biology. For some applications, such as the reconstruction of invasion routes in time and space, sequencing the whole genome of many individuals can increase the accuracy of existing methods. In other cases, population genomic approaches such as haplotype analysis can permit entirely new questions to be addressed and new technologies applied. To date whole-genome resequencing has only been used in a handful of invasive systems, but these studies have confirmed the importance of processes such as balancing selection and hybridization in allowing invasive species to reuse existing adaptations and rapidly overcome the challenges of a foreign ecosystem. The use of genomic data does not constitute a paradigm shift per se, but by leveraging new theory, tools, and technologies, population genomics can provide unprecedented insight into basic and applied aspects of invasion science.
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Affiliation(s)
- Henry L North
- Department of Zoology, University of Cambridge, Cambridge, UK
| | - Angela McGaughran
- Te Aka Mātuatua/School of Science, University of Waikato, Hamilton, New Zealand
| | - Chris D Jiggins
- Department of Zoology, University of Cambridge, Cambridge, UK
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28
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Dolzhenko V, Kungurtseva O, Revkova M, Yurchenko Y, Aleynikova N. New fungicides for protecting vines infected with downy mildew. BIO WEB OF CONFERENCES 2021. [DOI: 10.1051/bioconf/20213404002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
This research paper presents the findings concerning the effectiveness of utilizing Pergado Zoks water dispersible granule (WDG) and Zorvec Encantia suspo-emulsion (SE) fungicides to protect grapevines against downy mildew. It shows that double or triple treatment of vines provides strong protection of the plants against the disease without adversely affecting vegetative growth of the crop. It has been proven that effective protection of vines against downy mildew through the use of Pergado Zoks WDGs and Zorvec Encantia SE has allowed for ensuring high crop-saving rate (up to 140%) as compared to control.
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