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Ramírez Martínez J, Guillou S, Le Prieur S, Di Vittorio P, Bonal F, Taliadoros D, Gueret E, Fournier E, Stukenbrock EH, Valade R, Gladieux P. Deep population structure linked to host vernalization requirement in the barley net blotch fungal pathogen. Microb Genom 2024; 10:001241. [PMID: 38713188 PMCID: PMC11170133 DOI: 10.1099/mgen.0.001241] [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: 12/21/2023] [Accepted: 04/09/2024] [Indexed: 05/08/2024] Open
Abstract
Invasive fungal pathogens pose a substantial threat to widely cultivated crop species, owing to their capacity to adapt to new hosts and new environmental conditions. Gaining insights into the demographic history of these pathogens and unravelling the mechanisms driving coevolutionary processes are crucial for developing durably effective disease management programmes. Pyrenophora teres is a significant fungal pathogen of barley, consisting of two lineages, Ptt and Ptm, with global distributions and demographic histories reflecting barley domestication and spread. However, the factors influencing the population structure of P. teres remain poorly understood, despite the varietal and environmental heterogeneity of barley agrosystems. Here, we report on the population genomic structure of P. teres in France and globally. We used genotyping-by-sequencing to show that Ptt and Ptm can coexist in the same area in France, with Ptt predominating. Furthermore, we showed that differences in the vernalization requirement of barley varieties were associated with population differentiation within Ptt in France and at a global scale, with one population cluster found on spring barley and another population cluster found on winter barley. Our results demonstrate how cultivation conditions, possibly associated with genetic differences between host populations, can be associated with the maintenance of divergent invasive pathogen populations coexisting over large geographic areas. This study not only advances our understanding of the coevolutionary dynamics of the Pt-barley pathosystem but also prompts further research on the relative contributions of adaptation to the host versus adaptation to abiotic conditions in shaping Ptt populations.
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Affiliation(s)
- Julie Ramírez Martínez
- PHIM Plant Health Institute, Univ. Montpellier, INRAE, CIRAD, Institut Agro, IRD, Montpellier, France
| | - Sonia Guillou
- PHIM Plant Health Institute, Univ. Montpellier, INRAE, CIRAD, Institut Agro, IRD, Montpellier, France
| | | | - Pauline Di Vittorio
- PHIM Plant Health Institute, Univ. Montpellier, INRAE, CIRAD, Institut Agro, IRD, Montpellier, France
| | - Florelle Bonal
- UMR AGAP (Amélioration génétique et adaptation des plantes), Montpellier, France
| | - Demetris Taliadoros
- Max Planck Institute for Evolutionary Biology, August-Thienemann-Str. 2, 24306, Plön, Germany
- Christian-Albrechts University of Kiel, Am Botanischen Garten 9-11, 24118, Kiel, Germany
| | - Elise Gueret
- MGX-Montpellier GenomiX, University of Montpellier, CNRS, INSERM, Montpellier, France
| | - Elisabeth Fournier
- PHIM Plant Health Institute, Univ. Montpellier, INRAE, CIRAD, Institut Agro, IRD, Montpellier, France
| | - Eva H. Stukenbrock
- Max Planck Institute for Evolutionary Biology, August-Thienemann-Str. 2, 24306, Plön, Germany
- Christian-Albrechts University of Kiel, Am Botanischen Garten 9-11, 24118, Kiel, Germany
| | | | - Pierre Gladieux
- PHIM Plant Health Institute, Univ. Montpellier, INRAE, CIRAD, Institut Agro, IRD, Montpellier, France
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Rieseberg L, Warschefsky E, Burton J, Huang K, Sibbett B. Editorial 2024. Mol Ecol 2024; 33:e17239. [PMID: 38146175 DOI: 10.1111/mec.17239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2023]
Affiliation(s)
- Loren Rieseberg
- Department of Botany and Biodiversity Research Centre, University of British Columbia, Vancouver, BC, Canada
| | - Emily Warschefsky
- William L. Brown Center, Missouri Botanical Garden, Saint Louis, MO, USA
| | - Jade Burton
- John Wiley & Sons, Atrium Southern Gate, Chichester, West Sussex, UK
| | - Kaichi Huang
- Department of Botany and Biodiversity Research Centre, University of British Columbia, Vancouver, BC, Canada
| | - Benjamin Sibbett
- John Wiley & Sons, Atrium Southern Gate, Chichester, West Sussex, UK
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3
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Urban L, Perlas A, Francino O, Martí‐Carreras J, Muga BA, Mwangi JW, Boykin Okalebo L, Stanton JL, Black A, Waipara N, Fontsere C, Eccles D, Urel H, Reska T, Morales HE, Palmada‐Flores M, Marques‐Bonet T, Watsa M, Libke Z, Erkenswick G, van Oosterhout C. Real-time genomics for One Health. Mol Syst Biol 2023; 19:e11686. [PMID: 37325891 PMCID: PMC10407731 DOI: 10.15252/msb.202311686] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 05/31/2023] [Accepted: 06/02/2023] [Indexed: 06/17/2023] Open
Abstract
The ongoing degradation of natural systems and other environmental changes has put our society at a crossroad with respect to our future relationship with our planet. While the concept of One Health describes how human health is inextricably linked with environmental health, many of these complex interdependencies are still not well-understood. Here, we describe how the advent of real-time genomic analyses can benefit One Health and how it can enable timely, in-depth ecosystem health assessments. We introduce nanopore sequencing as the only disruptive technology that currently allows for real-time genomic analyses and that is already being used worldwide to improve the accessibility and versatility of genomic sequencing. We showcase real-time genomic studies on zoonotic disease, food security, environmental microbiome, emerging pathogens, and their antimicrobial resistances, and on environmental health itself - from genomic resource creation for wildlife conservation to the monitoring of biodiversity, invasive species, and wildlife trafficking. We stress why equitable access to real-time genomics in the context of One Health will be paramount and discuss related practical, legal, and ethical limitations.
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Affiliation(s)
- Lara Urban
- Helmholtz AI, Helmholtz Zentrum MuenchenNeuherbergGermany
- Helmholtz Pioneer Campus, Helmholtz Zentrum MuenchenNeuherbergGermany
- School of Life Sciences, Technical University of MunichFreisingGermany
| | - Albert Perlas
- Helmholtz AI, Helmholtz Zentrum MuenchenNeuherbergGermany
- Helmholtz Pioneer Campus, Helmholtz Zentrum MuenchenNeuherbergGermany
| | - Olga Francino
- Nano1Health SL, Parc de Recerca UABCampus Universitat Autònoma de BarcelonaBarcelonaSpain
| | - Joan Martí‐Carreras
- Nano1Health SL, Parc de Recerca UABCampus Universitat Autònoma de BarcelonaBarcelonaSpain
| | - Brenda A Muga
- Department of AnatomyUniversity of OtagoDunedinNew Zealand
| | | | | | | | - Amanda Black
- Bioprotection AotearoaLincoln UniversityLincolnNew Zealand
| | | | - Claudia Fontsere
- Center for Evolutionary HologenomicsThe Globe Institute, University of CopenhagenCopenhagenDenmark
| | - David Eccles
- Hugh Green Cytometry CentreMalaghan Institute of Medical ResearchWellingtonNew Zealand
| | - Harika Urel
- Helmholtz AI, Helmholtz Zentrum MuenchenNeuherbergGermany
- Helmholtz Pioneer Campus, Helmholtz Zentrum MuenchenNeuherbergGermany
- School of Life Sciences, Technical University of MunichFreisingGermany
| | - Tim Reska
- Helmholtz AI, Helmholtz Zentrum MuenchenNeuherbergGermany
- Helmholtz Pioneer Campus, Helmholtz Zentrum MuenchenNeuherbergGermany
- School of Life Sciences, Technical University of MunichFreisingGermany
| | - Hernán E Morales
- Center for Evolutionary HologenomicsThe Globe Institute, University of CopenhagenCopenhagenDenmark
- Department of Biology, Ecology BuildingLund UniversityLundSweden
| | - Marc Palmada‐Flores
- Institute of Evolutionary BiologyUniversitat Pompeu Fabra‐CSIC, PRBBBarcelonaSpain
| | - Tomas Marques‐Bonet
- Institute of Evolutionary BiologyUniversitat Pompeu Fabra‐CSIC, PRBBBarcelonaSpain
- Catalan Institution of Research and Advanced Studies (ICREA)BarcelonaSpain
- CNAGCentre of Genomic AnalysisBarcelonaSpain
- Institut Català de Paleontologia Miquel CrusafontUniversitat Autònoma de BarcelonaBarcelonaSpain
| | | | - Zane Libke
- Instituto Nacional de BiodiversidadQuitoEcuador
- Fundación Sumak Kawsay In SituCantón MeraEcuador
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Tikami Í, Boufleur TR, Prataviera F, Panciera LG, Neves VH, Ciampi-Guillardi M, Massola Júnior NS. Survival of Colletotrichum truncatum as Microsclerotia in Soil. PLANT DISEASE 2023; 107:2460-2466. [PMID: 36723961 DOI: 10.1094/pdis-08-22-1891-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
Anthracnose has become one of the main threats to soybean production and is considered the most important disease in some soybean-producing areas. Colletotrichum truncatum is the species most commonly associated with anthracnose and produces microsclerotia. However, the role of microsclerotia in the epidemiology of soybean anthracnose disease has not yet been described. The aim of this study was to determine whether C. truncatum microsclerotia can survive and maintain pathogenicity for a period of up to 246 days, corresponding to the off-season period of soybean cultivation in Brazil. Therefore, microsclerotia of two pathogenic isolates of C. truncatum (CMES1059 and LFN0297) were produced and placed in polyester bags, which were kept under field conditions either on the soil surface under maize straw or buried 8-cm deep. The bags were collected monthly for a period of up to 246 days to assess the viability of microsclerotia based on their germination and typical colony growth. The logistic regression model was used for data analysis considering viable and nonviable microsclerotia. In addition, periodic sowing of soybean was done in the soil infested with LFN0297 microsclerotia to test pathogenicity up to 246 days after soil infestation. C. truncatum microsclerotia survived from 92 to 246 days in the field soil, with the highest recovery of viable microsclerotia at 153 days. C. truncatum was reisolated from soybean plants sown in infested soil at 245 days postinoculation. The isolates from the last microsclerotia sampling from the field (246 days) and those obtained from a plant at the last sowing date (245 days) had the same genotypic profile for 12 microsatellite loci as the isolates used to perform the experiments. C. truncatum microsclerotia in soil may serve as the primary inoculum for soybean anthracnose.
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Affiliation(s)
- Ísis Tikami
- Department of Plant Pathology and Nematology, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), 13418-900 Piracicaba, Brazil
| | - Thaís Regina Boufleur
- Department of Plant Pathology and Nematology, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), 13418-900 Piracicaba, Brazil
| | - Fábio Prataviera
- Department of Exact Sciences, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), 13418-900 Piracicaba, Brazil
| | - Lucas G Panciera
- Department of Plant Pathology and Nematology, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), 13418-900 Piracicaba, Brazil
| | - Victor H Neves
- Department of Plant Pathology and Nematology, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), 13418-900 Piracicaba, Brazil
| | - Maisa Ciampi-Guillardi
- Department of Plant Pathology and Nematology, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), 13418-900 Piracicaba, Brazil
| | - Nelson S Massola Júnior
- Department of Plant Pathology and Nematology, Luiz de Queiroz College of Agriculture (ESALQ), University of São Paulo (USP), 13418-900 Piracicaba, Brazil
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Giraud T, Ropars J, Stukenbrock EH, Amato KR, Rodriguez de la Vega R. Evolutionary ecology of human-associated microbes. Mol Ecol 2023; 32:2369-2373. [PMID: 37114833 DOI: 10.1111/mec.16966] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/05/2023] [Accepted: 04/18/2023] [Indexed: 04/29/2023]
Affiliation(s)
- Tatiana Giraud
- Université Paris-Saclay, CNRS, AgroParisTech, Laboratoire Ecologie Systématique et Evolution, Gif-sur-Yvette, France
| | - Jeanne Ropars
- Université Paris-Saclay, CNRS, AgroParisTech, Laboratoire Ecologie Systématique et Evolution, Gif-sur-Yvette, France
| | - Eva H Stukenbrock
- Environmental Genomics Group, Botanical Institute, Christian-Albrechts University of Kiel, Kiel, Germany
- Max Planck Institute for Evolutionary Biology, Plön, Germany
| | | | - Ricardo Rodriguez de la Vega
- Université Paris-Saclay, CNRS, AgroParisTech, Laboratoire Ecologie Systématique et Evolution, Gif-sur-Yvette, France
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Alkemade JA, Baroncelli R, Messmer MM, Hohmann P. Attack of the clones: Population genetics reveals clonality of Colletotrichum lupini, the causal agent of lupin anthracnose. MOLECULAR PLANT PATHOLOGY 2023; 24:616-627. [PMID: 37078402 DOI: 10.1111/mpp.13332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/08/2023] [Accepted: 03/17/2023] [Indexed: 05/03/2023]
Abstract
Colletotrichum lupini, the causative agent of lupin anthracnose, affects lupin cultivation worldwide. Understanding its population structure and evolutionary potential is crucial to design successful disease management strategies. The objective of this study was to employ population genetics to investigate the diversity, evolutionary dynamics, and molecular basis of the interaction of this notorious lupin pathogen with its host. A collection of globally representative C. lupini isolates was genotyped through triple digest restriction site-associated DNA sequencing, resulting in a data set of unparalleled resolution. Phylogenetic and structural analysis could distinguish four independent lineages (I-IV). The strong population structure and high overall standardized index of association (r̅d ) indicates that C. lupini reproduces clonally. Different morphologies and virulence patterns on white lupin (Lupinus albus) and Andean lupin (Lupinus mutabilis) were observed between and within clonal lineages. Isolates belonging to lineage II were shown to have a minichromosome that was also partly present in lineage III and IV, but not in lineage I isolates. Variation in the presence of this minichromosome could imply a role in host-pathogen interaction. All four lineages were present in the South American Andes region, which is suggested to be the centre of origin of this species. Only members of lineage II have been found outside South America since the 1990s, indicating it as the current pandemic population. As a seedborne pathogen, C. lupini has mainly spread through infected but symptomless seeds, stressing the importance of phytosanitary measures to prevent future outbreaks of strains that are yet confined to South America.
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Affiliation(s)
- Joris A Alkemade
- Department of Crop Sciences, Research Institute of Organic Agriculture (FiBL), Frick, Switzerland
- Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Bologna, Italy
| | - Riccardo Baroncelli
- Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Bologna, Italy
- Centre for Studies on Bioinspired Agro-Enviromental Technology, Università di Napoli Federico II, Portici, 80055, Italy
| | - Monika M Messmer
- Department of Crop Sciences, Research Institute of Organic Agriculture (FiBL), Frick, Switzerland
| | - Pierre Hohmann
- Department of Crop Sciences, Research Institute of Organic Agriculture (FiBL), Frick, Switzerland
- Bonaplanta, BioCrops Innovations SL, Manresa, Spain
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7
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Rogério F, Baroncelli R, Cuevas-Fernández FB, Becerra S, Crouch J, Bettiol W, Azcárate-Peril MA, Malapi-Wight M, Ortega V, Betran J, Tenuta A, Dambolena JS, Esker PD, Revilla P, Jackson-Ziems TA, Hiltbrunner J, Munkvold G, Buhiniček I, Vicente-Villardón JL, Sukno SA, Thon MR. Population Genomics Provide Insights into the Global Genetic Structure of Colletotrichum graminicola, the Causal Agent of Maize Anthracnose. mBio 2023; 14:e0287822. [PMID: 36533926 PMCID: PMC9973043 DOI: 10.1128/mbio.02878-22] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 11/17/2022] [Indexed: 12/24/2022] Open
Abstract
Understanding the genetic diversity and mechanisms underlying genetic variation in pathogen populations is crucial to the development of effective control strategies. We investigated the genetic diversity and reproductive biology of Colletotrichum graminicola isolates which infect maize by sequencing the genomes of 108 isolates collected from 14 countries using restriction site-associated DNA sequencing (RAD-seq) and whole-genome sequencing (WGS). Clustering analyses based on single-nucleotide polymorphisms revealed three genetic groups delimited by continental origin, compatible with short-dispersal of the pathogen and geographic subdivision. Intra- and intercontinental migration was observed between Europe and South America, likely associated with the movement of contaminated germplasm. Low clonality, evidence of genetic recombination, and high phenotypic diversity were detected. We show evidence that, although it is rare (possibly due to losses of sexual reproduction- and meiosis-associated genes) C. graminicola can undergo sexual recombination. Our results support the hypotheses that intra- and intercontinental pathogen migration and genetic recombination have great impacts on the C. graminicola population structure. IMPORTANCE Plant pathogens cause significant reductions in yield and crop quality and cause enormous economic losses worldwide. Reducing these losses provides an obvious strategy to increase food production without further degrading natural ecosystems; however, this requires knowledge of the biology and evolution of the pathogens in agroecosystems. We employed a population genomics approach to investigate the genetic diversity and reproductive biology of the maize anthracnose pathogen (Colletotrichum graminicola) in 14 countries. We found that the populations are correlated with their geographical origin and that migration between countries is ongoing, possibly caused by the movement of infected plant material. This result has direct implications for disease management because migration can cause the movement of more virulent and/or fungicide-resistant genotypes. We conclude that genetic recombination is frequent (in contrast to the traditional view of C. graminicola being mainly asexual), which strongly impacts control measures and breeding programs aimed at controlling this disease.
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Affiliation(s)
- Flávia Rogério
- Instituto de Investigación en Agrobiotecnología (CIALE), Departamento de Microbiología y Genética, Universidad de Salamanca, Salamanca, Spain
| | - Riccardo Baroncelli
- Instituto de Investigación en Agrobiotecnología (CIALE), Departamento de Microbiología y Genética, Universidad de Salamanca, Salamanca, Spain
- Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Bologna, Italy
| | - Francisco Borja Cuevas-Fernández
- Instituto de Investigación en Agrobiotecnología (CIALE), Departamento de Microbiología y Genética, Universidad de Salamanca, Salamanca, Spain
| | - Sioly Becerra
- Instituto de Investigación en Agrobiotecnología (CIALE), Departamento de Microbiología y Genética, Universidad de Salamanca, Salamanca, Spain
| | - JoAnne Crouch
- Foreign Disease and Weed Science Unit, United States Department of Agriculture, Fort Detrick, Maryland, USA
| | | | - M. Andrea Azcárate-Peril
- Center for Gastrointestinal Biology and Disease, Department of Medicine, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
- Division of Gastroenterology and Hepatology, Department of Medicine, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
- UNC Microbiome Core, Department of Medicine, School of Medicine, University of North Carolina, Chapel Hill, North Carolina, USA
| | - Martha Malapi-Wight
- USDA Animal and Plant Health Inspection Services, Biotechnology Regulatory Services, Riverdale, Maryland, USA
| | | | | | - Albert Tenuta
- Ontario Ministry of Agriculture, Food, and Rural Affairs, University of Guelph-Ridgetown, Ridgetown, Ontario, Canada
| | - José S. Dambolena
- Facultad de Ciencias Exactas Físicas y Naturales, Universidad Nacional de Córdoba, IMBIV-CONICET-ICTA, Córdoba, Argentina
| | - Paul D. Esker
- Department of Plant Pathology and Environmental Microbiology, The Pennsylvania State University, State College, Pennsylvania, USA
| | - Pedro Revilla
- Misión Biológica de Galicia, Spanish National Research Council (CSIC), Pontevedra, Spain
| | | | | | - Gary Munkvold
- Department of Plant Pathology and Microbiology, Iowa State University, Ames, Iowa, USA
| | - Ivica Buhiniček
- BC Institute for Breeding and Production of Field Crops, Dugo Selo, Croatia
| | | | - Serenella A. Sukno
- Instituto de Investigación en Agrobiotecnología (CIALE), Departamento de Microbiología y Genética, Universidad de Salamanca, Salamanca, Spain
| | - Michael R. Thon
- Instituto de Investigación en Agrobiotecnología (CIALE), Departamento de Microbiología y Genética, Universidad de Salamanca, Salamanca, Spain
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