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Cardoso JMS, Manadas B, Abrantes I, Robertson L, Arcos SC, Troya MT, Navas A, Fonseca L. Pine wilt disease: what do we know from proteomics? BMC PLANT BIOLOGY 2024; 24:98. [PMID: 38331735 PMCID: PMC10854151 DOI: 10.1186/s12870-024-04771-9] [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: 10/10/2023] [Accepted: 01/26/2024] [Indexed: 02/10/2024]
Abstract
Pine wilt disease (PWD) is a devastating forest disease caused by the pinewood nematode (PWN), Bursaphelenchus xylophilus, a migratory endoparasite that infects several coniferous species. During the last 20 years, advances have been made for understanding the molecular bases of PWN-host trees interactions. Major advances emerged from transcriptomic and genomic studies, which revealed some unique features related to PWN pathogenicity and constituted fundamental data that allowed the development of postgenomic studies. Here we review the proteomic approaches that were applied to study PWD and integrated the current knowledge on the molecular basis of the PWN pathogenicity. Proteomics has been useful for understanding cellular activities and protein functions involved in PWN-host trees interactions, shedding light into the mechanisms associated with PWN pathogenicity and being promising tools to better clarify host trees PWN resistance/susceptibility.
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Affiliation(s)
- Joana M S Cardoso
- Centre for Functional Ecology, Associate Laboratory TERRA, Department of Life Sciences, University of Coimbra, Calçada Martins de Freitas, Coimbra, 3000-456, Portugal.
| | - Bruno Manadas
- CNC-Center for Neuroscience and Cell Biology, University of Coimbra, Rua Larga, Polo I, Coimbra, 3004-504, Portugal
- CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Rua Larga - Faculdade de Medicina, 1ºandar - POLO I, Coimbra, 3004-504, Portugal
| | - Isabel Abrantes
- Centre for Functional Ecology, Associate Laboratory TERRA, Department of Life Sciences, University of Coimbra, Calçada Martins de Freitas, Coimbra, 3000-456, Portugal
| | - Lee Robertson
- Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, CSIC. Instituto de Ciencias Forestales (ICIFOR), Ctra. de La Coruña Km 7.5, Madrid, 28040, Spain
| | - Susana C Arcos
- Museo Nacional de Ciencias Naturales, CSIC. Dpto Biodiversidad y Biología Evolutiva, C/ José Gutiérrez Abascal 2, Madrid, 28006, Spain
| | - Maria Teresa Troya
- Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria, CSIC. Instituto de Ciencias Forestales (ICIFOR), Ctra. de La Coruña Km 7.5, Madrid, 28040, Spain
| | - Alfonso Navas
- Museo Nacional de Ciencias Naturales, CSIC. Dpto Biodiversidad y Biología Evolutiva, C/ José Gutiérrez Abascal 2, Madrid, 28006, Spain
| | - Luís Fonseca
- Centre for Functional Ecology, Associate Laboratory TERRA, Department of Life Sciences, University of Coimbra, Calçada Martins de Freitas, Coimbra, 3000-456, Portugal
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Qiu Y, Wu X, Wen T, Hu L, Rui L, Zhang Y, Ye J. The Bursaphelenchus xylophilus candidate effector BxLip-3 targets the class I chitinases to suppress immunity in pine. MOLECULAR PLANT PATHOLOGY 2023; 24:1033-1046. [PMID: 37448165 PMCID: PMC10423331 DOI: 10.1111/mpp.13334] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 03/20/2023] [Accepted: 03/20/2023] [Indexed: 07/15/2023]
Abstract
Lipase is involved in lipid hydrolysis, which is related to nematodes' energy reserves and stress resistance. However, the role of lipases in Bursaphelenchus xylophilus, a notorious plant-parasitic nematode responsible for severe damage to pine forest ecosystems, remains largely obscure. Here, we characterized a class III lipase as a candidate effector and named it BxLip-3. It was transcriptionally up-regulated in the parasitic stages of B. xylophilus and specifically expressed in the oesophageal gland cells and the intestine. In addition, BxLip-3 suppressed cell death triggered by the pathogen-associated molecular patterns PsXEG1 and BxCDP1 in Nicotiana benthamiana, and its Lipase-3 domain is essential for immunosuppression. Silencing of the BxLip-3 gene resulted in a delay in disease onset and increased the activity of antioxidant enzymes and the expression of pathogenesis-related (PR) genes. Plant chitinases are thought to be PR proteins involved in the defence system against pathogen attack. Using yeast two-hybrid and co-immunoprecipitation assays, we identified two class I chitinases in Pinus thunbergii, PtChia1-3 and PtChia1-4, as targets of BxLip-3. The expression of these two chitinases was up-regulated during B. xylophilus inoculation and inhibited by BxLip-3. Overall, this study illustrated that BxLip-3 is a crucial virulence factor that plays a critical role in the interaction between B. xylophilus and host pine.
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Affiliation(s)
- Yi‐Jun Qiu
- Co‐Innovation Center for Sustainable Forestry in Southern China, College of ForestryNanjing Forestry UniversityNanjingChina
- Jiangsu Key Laboratory for Prevention and Management of Invasive SpeciesNanjing Forestry UniversityNanjingChina
| | - Xiao‐Qin Wu
- Co‐Innovation Center for Sustainable Forestry in Southern China, College of ForestryNanjing Forestry UniversityNanjingChina
- Jiangsu Key Laboratory for Prevention and Management of Invasive SpeciesNanjing Forestry UniversityNanjingChina
| | - Tong‐Yue Wen
- Co‐Innovation Center for Sustainable Forestry in Southern China, College of ForestryNanjing Forestry UniversityNanjingChina
- Jiangsu Key Laboratory for Prevention and Management of Invasive SpeciesNanjing Forestry UniversityNanjingChina
| | - Long‐Jiao Hu
- Co‐Innovation Center for Sustainable Forestry in Southern China, College of ForestryNanjing Forestry UniversityNanjingChina
- Jiangsu Key Laboratory for Prevention and Management of Invasive SpeciesNanjing Forestry UniversityNanjingChina
- Institute of BotanyJiangsu Province and Chinese Academy of SciencesNanjingChina
| | - Lin Rui
- Co‐Innovation Center for Sustainable Forestry in Southern China, College of ForestryNanjing Forestry UniversityNanjingChina
- Jiangsu Key Laboratory for Prevention and Management of Invasive SpeciesNanjing Forestry UniversityNanjingChina
| | - Yan Zhang
- Co‐Innovation Center for Sustainable Forestry in Southern China, College of ForestryNanjing Forestry UniversityNanjingChina
- Jiangsu Key Laboratory for Prevention and Management of Invasive SpeciesNanjing Forestry UniversityNanjingChina
| | - Jian‐Ren Ye
- Co‐Innovation Center for Sustainable Forestry in Southern China, College of ForestryNanjing Forestry UniversityNanjingChina
- Jiangsu Key Laboratory for Prevention and Management of Invasive SpeciesNanjing Forestry UniversityNanjingChina
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Castillejo MA, Pascual J, Jorrín-Novo JV, Balbuena TS. Proteomics research in forest trees: A 2012-2022 update. FRONTIERS IN PLANT SCIENCE 2023; 14:1130665. [PMID: 37089649 PMCID: PMC10114611 DOI: 10.3389/fpls.2023.1130665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 03/14/2023] [Indexed: 05/03/2023]
Abstract
This review is a compilation of proteomic studies on forest tree species published in the last decade (2012-2022), mostly focused on the most investigated species, including Eucalyptus, Pinus, and Quercus. Improvements in equipment, platforms, and methods in addition to the increasing availability of genomic data have favored the biological knowledge of these species at the molecular, organismal, and community levels. Integration of proteomics with physiological, biochemical and other large-scale omics in the direction of the Systems Biology, will provide a comprehensive understanding of different biological processes, from growth and development to responses to biotic and abiotic stresses. As main issue we envisage that proteomics in long-living plants will thrive light on the plant responses and resilience to global climate change, contributing to climate mitigation strategies and molecular breeding programs. Proteomics not only will provide a molecular knowledge of the mechanisms of resilience to either biotic or abiotic stresses, but also will allow the identification on key gene products and its interaction. Proteomics research has also a translational character being applied to the characterization of the variability and biodiversity, as well as to wood and non-wood derived products, traceability, allergen and bioactive peptides identification, among others. Even thought, the full potential of proteomics is far from being fully exploited in forest tree research, with PTMs and interactomics being reserved to plant model systems. The most outstanding achievements in forest tree proteomics in the last decade as well as prospects are discussed.
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Affiliation(s)
- María Angeles Castillejo
- Agroforestry and Plant Biochemistry, Proteomics and Systems Biology, Department of Biochemistry and Molecular Biology, University of Cordoba, Cordoba, Spain
- *Correspondence: María Angeles Castillejo,
| | - Jesús Pascual
- Plant Physiology, Department of Organisms and Systems Biology, University of Oviedo, Oviedo, Spain
- University Institute of Biotechnology of Asturias, University of Oviedo, Oviedo, Spain
| | - Jesus V. Jorrín-Novo
- Agroforestry and Plant Biochemistry, Proteomics and Systems Biology, Department of Biochemistry and Molecular Biology, University of Cordoba, Cordoba, Spain
| | - Tiago Santana Balbuena
- Department of Agricultural, Livestock and Environmental Biotechnology, School of Agriculture and Veterinary Sciences, São Paulo State University (UNESP), Jaboticabal, São Paulo, Brazil
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Estorninho M, Chozas S, Mendes A, Colwell F, Abrantes I, Fonseca L, Fernandes P, Costa C, Máguas C, Correia O, Antunes C. Differential Impact of the Pinewood Nematode on Pinus Species Under Drought Conditions. FRONTIERS IN PLANT SCIENCE 2022; 13:841707. [PMID: 35360314 PMCID: PMC8961127 DOI: 10.3389/fpls.2022.841707] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
The pinewood nematode (PWN), Bursaphelenchus xylophilus, responsible for the pine wilt disease (PWD), is a major threat to pine forests worldwide. Since forest mortality due to PWN might be exacerbated by climate, the concerns regarding PWD in the Mediterranean region are further emphasized by the projected scenarios of more drought events and higher temperatures. In this context, it is essential to better understand the pine species vulnerability to PWN under these conditions. To achieve that, physiological responses and wilting symptoms were monitored in artificially inoculated Pinus pinaster (P. pinaster), Pinus pinea (P. pinea), and Pinus radiata (P. radiata) saplings under controlled temperature (25/30°C) and water availability (watered/water stressed). The results obtained showed that the impact of PWN is species-dependent, being infected P. pinaster and P. radiata more prone to physiological and morphological damage than P. pinea. For the more susceptible species (P. pinaster and P. radiata), the presence of the nematode was the main driver of photosynthetic responses, regardless of their temperature or water regime conditions. Nevertheless, water potential was revealed to be highly affected by the synergy of PWN and the studied abiotic conditions, with higher temperatures (P. pinaster) or water limitation (P. radiata) increasing the impact of nematodes on trees' water status. Furthermore, water limitation had an influence on nematodes density and its allocation on trees' structures, with P. pinaster revealing the highest nematode abundance and inner dispersion. In inoculated P. pinea individuals, nematodes' population decreased significantly, emphasizing this species resistance to PWN. Our findings revealed a synergistic impact of PWN infection and stressful environmental conditions, particularly on the water status of P. pinaster and P. radiata, triggering disease symptoms and mortality of these species. Our results suggest that predicted drought conditions might facilitate proliferation and exacerbate the impact of PWN on these two species, through xylem cavitation, leading to strong changes in pine forests of the Mediterranean regions.
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Affiliation(s)
- Mariana Estorninho
- Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Sergio Chozas
- Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Angela Mendes
- Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | | | - Isabel Abrantes
- Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Luís Fonseca
- Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Coimbra, Portugal
| | - Patrícia Fernandes
- Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Catarina Costa
- Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Cristina Máguas
- Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Otília Correia
- Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
| | - Cristina Antunes
- Centre for Ecology, Evolution and Environmental Changes, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
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Kirino H, Konagaya KI, Shinya R. Novel Functional Analysis for Pathogenic Proteins of Bursaphelenchus xylophilus in Pine Seed Embryos Using a Virus Vector. FRONTIERS IN PLANT SCIENCE 2022; 13:872076. [PMID: 35548316 PMCID: PMC9083003 DOI: 10.3389/fpls.2022.872076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 04/04/2022] [Indexed: 05/17/2023]
Abstract
Pine wilt disease (PWD), which is caused by the pine wood nematode Bursaphelenchus xylophilus, is among the most serious tree diseases worldwide. PWD is thought to be initiated by sequential excessive hypersensitive responses to B. xylophilus. Previous studies have reported candidate pathogenic molecules inducing hypersensitive responses in pine trees susceptible to B. xylophilus. The functions of some of these molecules have been analyzed in model plants using transient overexpression; however, whether they can induce hypersensitive responses in natural host pines remains unclear due to the lack of a suitable functional analysis method. In this study, we established a novel functional analysis method for susceptible black pine (Pinus thunbergii) seed embryos using transient overexpression by the Apple latent spherical virus vector and investigated five secreted proteins of B. xylophilus causing cell death in tobacco to determine whether they induce hypersensitive responses in pine. We found that three of five molecules induced significantly higher expression in pathogenesis-related genes ( p < 0.05), indicating hypersensitive response in pine seed embryos compared with mock and green fluorescence protein controls. This result suggests that tobacco-based screening may detect false positives. This study is the first to analyze the function of pathogenic candidate molecules of B. xylophilus in natural host pines using exogenous gene expression, which is anticipated to be a powerful tool for investigating the PWD mechanism.
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Affiliation(s)
- Haru Kirino
- School of Agriculture, Meiji University, Kawasaki, Japan
| | - Ken-ichi Konagaya
- Forest Bio-Research Center, Forestry and Forest Products Research Institute, Hitachi, Japan
| | - Ryoji Shinya
- School of Agriculture, Meiji University, Kawasaki, Japan
- *Correspondence: Ryoji Shinya,
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