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van Westerhoven AC, Aguilera-Galvez C, Nakasato-Tagami G, Shi-Kunne X, Martinez de la Parte E, Chavarro-Carrero E, Meijer HJG, Feurtey A, Maryani N, Ordóñez N, Schneiders H, Nijbroek K, Wittenberg AHJ, Hofstede R, García-Bastidas F, Sørensen A, Swennen R, Drenth A, Stukenbrock EH, Kema GHJ, Seidl MF. Segmental duplications drive the evolution of accessory regions in a major crop pathogen. New Phytol 2024; 242:610-625. [PMID: 38402521 DOI: 10.1111/nph.19604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Accepted: 02/01/2024] [Indexed: 02/26/2024]
Abstract
Many pathogens evolved compartmentalized genomes with conserved core and variable accessory regions (ARs) that carry effector genes mediating virulence. The fungal plant pathogen Fusarium oxysporum has such ARs, often spanning entire chromosomes. The presence of specific ARs influences the host range, and horizontal transfer of ARs can modify the pathogenicity of the receiving strain. However, how these ARs evolve in strains that infect the same host remains largely unknown. We defined the pan-genome of 69 diverse F. oxysporum strains that cause Fusarium wilt of banana, a significant constraint to global banana production, and analyzed the diversity and evolution of the ARs. Accessory regions in F. oxysporum strains infecting the same banana cultivar are highly diverse, and we could not identify any shared genomic regions and in planta-induced effectors. We demonstrate that segmental duplications drive the evolution of ARs. Furthermore, we show that recent segmental duplications specifically in accessory chromosomes cause the expansion of ARs in F. oxysporum. Taken together, we conclude that extensive recent duplications drive the evolution of ARs in F. oxysporum, which contribute to the evolution of virulence.
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Affiliation(s)
- Anouk C van Westerhoven
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
- Department of Biology, Theoretical Biology & Bioinformatics, Utrecht University, Padualaan 8, 3584 CH, Utrecht, the Netherlands
| | - Carolina Aguilera-Galvez
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
| | - Giuliana Nakasato-Tagami
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
| | - Xiaoqian Shi-Kunne
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
| | - Einar Martinez de la Parte
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
| | - Edgar Chavarro-Carrero
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
| | - Harold J G Meijer
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
- Department Biointeractions and Plant Health, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
| | - Alice Feurtey
- Christian-Albrechts University of Kiel, Christian-Albrechts-Platz 4, 24118, Kiel, Germany
- Max Planck Institute for Evolutionary Biology, August-Thienemann-Straße 2, 24306, Plön, Germany
- Plant Pathology, Eidgenössische Technische Hochschule Zürich, Rämistrasse 101, 8092, Zürich, Switzerland
| | - Nani Maryani
- Biology Education, Universitas Sultan Ageng Tirtayasa, Jalan Raya Palka No.Km 3, 42163, Banten, Indonesia
| | - Nadia Ordóñez
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
| | - Harrie Schneiders
- KeyGene, Agro Business Park 90, 6708 PW, Wageningen, the Netherlands
| | - Koen Nijbroek
- KeyGene, Agro Business Park 90, 6708 PW, Wageningen, the Netherlands
| | | | - Rene Hofstede
- KeyGene, Agro Business Park 90, 6708 PW, Wageningen, the Netherlands
| | | | - Anker Sørensen
- KeyGene, Agro Business Park 90, 6708 PW, Wageningen, the Netherlands
| | - Ronny Swennen
- Division of Crop Biotechnics, Laboratory of Tropical Crop Improvement, Catholic University of Leuven, Oude Markt 13, 3000, Leuven, Belgium
- International Institute of Tropical Agriculture, Plot 15 Naguru E Rd, Kampala, PO Box 7878, Uganda
| | - Andre Drenth
- The University of Queensland, St Lucia, 4072, Brisbane, Queensland, Australia
| | - Eva H Stukenbrock
- Christian-Albrechts University of Kiel, Christian-Albrechts-Platz 4, 24118, Kiel, Germany
- Max Planck Institute for Evolutionary Biology, August-Thienemann-Straße 2, 24306, Plön, Germany
| | - Gert H J Kema
- Laboratory of Phytopathology, Wageningen University, Droevendaalsesteeg 1, 6708 PB, Wageningen, the Netherlands
| | - Michael F Seidl
- Department of Biology, Theoretical Biology & Bioinformatics, Utrecht University, Padualaan 8, 3584 CH, Utrecht, the Netherlands
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